CN103906723A - Sintered zircon particle - Google Patents
Sintered zircon particle Download PDFInfo
- Publication number
- CN103906723A CN103906723A CN201280045448.4A CN201280045448A CN103906723A CN 103906723 A CN103906723 A CN 103906723A CN 201280045448 A CN201280045448 A CN 201280045448A CN 103906723 A CN103906723 A CN 103906723A
- Authority
- CN
- China
- Prior art keywords
- sintered particles
- less
- last
- particle
- oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002245 particle Substances 0.000 title claims abstract description 195
- 229910052845 zircon Inorganic materials 0.000 title claims abstract description 33
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 37
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 30
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 16
- 239000010431 corundum Substances 0.000 claims abstract description 15
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims description 64
- 239000000843 powder Substances 0.000 claims description 60
- 238000005245 sintering Methods 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 34
- 238000002425 crystallisation Methods 0.000 claims description 30
- 230000008025 crystallization Effects 0.000 claims description 30
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 29
- 238000000227 grinding Methods 0.000 claims description 22
- 239000000725 suspension Substances 0.000 claims description 18
- 229910000311 lanthanide oxide Inorganic materials 0.000 claims description 17
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 16
- 229960001866 silicon dioxide Drugs 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 10
- 239000007858 starting material Substances 0.000 claims description 10
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 8
- 239000002241 glass-ceramic Substances 0.000 claims description 8
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 239000000454 talc Substances 0.000 claims description 3
- 235000012222 talc Nutrition 0.000 claims description 3
- 229910052623 talc Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 13
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 abstract description 4
- 241000588731 Hafnia Species 0.000 abstract description 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract description 2
- 229910052905 tridymite Inorganic materials 0.000 abstract description 2
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 239000011324 bead Substances 0.000 description 67
- 239000012071 phase Substances 0.000 description 29
- 239000000047 product Substances 0.000 description 27
- 239000003795 chemical substances by application Substances 0.000 description 25
- 238000004519 manufacturing process Methods 0.000 description 14
- 239000006185 dispersion Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000000919 ceramic Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 239000002243 precursor Substances 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 229910006501 ZrSiO Inorganic materials 0.000 description 6
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 6
- 229910010271 silicon carbide Inorganic materials 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000007596 consolidation process Methods 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000003082 abrasive agent Substances 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000003607 modifier Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052765 Lutetium Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 229920000615 alginic acid Polymers 0.000 description 2
- 235000010443 alginic acid Nutrition 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 235000013569 fruit product Nutrition 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052747 lanthanoid Inorganic materials 0.000 description 2
- 150000002602 lanthanoids Chemical class 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920000193 polymethacrylate Polymers 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical class [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910052728 basic metal Inorganic materials 0.000 description 1
- 150000003818 basic metals Chemical class 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical class OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000012764 mineral filler Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005480 shot peening Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004634 thermosetting polymer Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical compound [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/481—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates containing silicon, e.g. zircon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/111—Fine ceramics
- C04B35/117—Composites
- C04B35/119—Composites with zirconium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/486—Fine ceramics
- C04B35/488—Composites
- C04B35/4885—Composites with aluminium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62625—Wet mixtures
- C04B35/6263—Wet mixtures characterised by their solids loadings, i.e. the percentage of solids
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62695—Granulation or pelletising
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3227—Lanthanum oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
- C04B2235/3248—Zirconates or hafnates, e.g. zircon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3481—Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5409—Particle size related information expressed by specific surface values
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
- C04B2235/6023—Gel casting
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/80—Phases present in the sintered or melt-cast ceramic products other than the main phase
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/94—Products characterised by their shape
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
- C04B2235/9692—Acid, alkali or halogen resistance
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to a sintered particle having the following chemical composition, in weight percentages on the basis of the oxides and for a total of 100%: 22% <= ZrO2 + HfO2 <= 55%, wherein HfO2 <= 2%; 14% <= SiO2 <= 35%; 6% <= Al2O3 <= 60%; 0.5% <= MgO <= 6%; B2O3 <= 5%; less than 9.0% of other oxides, and the following crystallised phases, in weight percentages on the basis of the total crystallised phases and for a total of 100%: 32% <= zircon <= 80%; 3% <= mullite <= 15%; optionally stabilised zirconia + hafnia: <= 9%; 4% <= corundum <= 57%; less than 10% of other crystallised phases; and a total porosity of no higher than 6%.
Description
Technical field
The present invention relates to the zircon particle of the zircon particle of novel sintering, especially bead form, relate to the method for manufacturing these beads, and relate to these particles as abrasive material, dispersion agent in humid medium or for surface-treated purposes.
Background technology
Mining industry adopts particle for the material that adopts alternatively traditional method to be dried pre-grinding is carried out to fine grinding, is particularly useful for the fine grinding of calcium carbonate, titanium dioxide, gypsum, kaolin and iron ore.
In addition, coating industry, ink industry, dye industry, magnetic paint industry and pesticide industry use particle for disperseing and homogenizing liquid component and solids component.
Finally, Surface Processing Industry utilizes particle, for example, in particular for clean metal mould (, for the manufacture of bottle), and the chamfering of parts, rust cleaning, for the preparation of the operation of base material, shot peening or the contour peening etc. of figure layer.
Routinely, all these particles are roughly has spherical from the particle diameter of 0.005mm to 10mm, to meet above-mentioned all market.In order to use in this three classes purposes, they especially must have good wear resistance.
Especially in the field of micro-grinding, following dissimilar particle (the especially form of bead) is commercially available:
■ rounded sand grain, for example, OTTAWA sand is cheap natural product, but it is unsuitable for shredder modern pressurization, high yield.In fact, sand be low intensive, low-density, quality change is indefinite and wear equipment.
The widely used glass beads of ■, it has higher intensity, lower abrasive property and can in wider diameter range, use.
■ metal bead, especially steel ball grain, demonstrate low dark decay with respect to handled product, especially cause pollution and the coating graying of mineral filler, and its density is too high, needs special grinder.They especially cause high energy consumption, a large amount of heating of equipment and are subject to higher mechanical stress.
Also known ceramics bead.These ceramic beads have the intensity better than glass beads, higher density and excellent unreactiveness.
Ceramic beads is following type:
The ceramic beads of ■ consolidation, its conventionally by molten ceramic component, from fusing material shape globulate drop, then solidify described drop obtain, and
The ceramic beads of ■ sintering, it is conventionally by cold-forming ceramic powder, then carry out fixed obtaining by high temperature roasting.
Compared with sintered particles, consolidation particle generally includes a large amount of intergranular glassy phase of the network of filling crystal grain.Therefore the problem, being met with in their application separately by sintered particles and consolidation particle and to address these problems adopted technical scheme normally different.In addition, due to the essence difference between manufacture method, therefore, can not be used as preparing the priori of sintered particles in order to prepare composition that consolidation particle develops, vice versa.
Japanese Patent JP6106087 discloses the sintered beads based on zircon, and this sintered beads has higher than 4.46g/cm
3density.Sintered beads based on zircon also can be known from Chinese patent CN101786867 and Korean Patent KR20070096131.
In order to increase the efficiency of grinding operation, that is, for the amount of the abrasive product of specification cost, abrasive grains must be more and more wear-resisting, especially more and more wear-resisting in alkaline medium.
An object of the present invention is to meet at least in part this needs.
Summary of the invention
The present invention relates to a kind of novel sintered particles, the preferably form of bead, this particle has:
-take the weight percent based on oxide compound and total amount as 100%, described particle has following chemical constitution:
22%≤ZrO
2+ HfO
2≤ 55%, and HfO
2≤ 2%;
14%≤SiO
2≤35%;
6%≤Al
2O
3≤60%;
0.5%≤MgO≤6%;
B
2O
3≤5%;
Other oxide compounds <9.0%, and
-take the weight percent of the crystallization phases based on existing and total amount as 100%, described particle has following crystallization phases:
32%≤zircon≤80%;
3%≤mullite≤15%;
Zirconium white+hafnium oxide :≤9%, zirconium white and hafnium oxide are stabilized alternatively;
4%≤corundum≤57%;
Other crystallization phasess <10%, and
-total porosity is less than or equal to 6%.
Preferably, described sintered particles, the preferably form of bead, described particle has:
-take the weight percent based on oxide compound and total amount as 100%, described particle has following chemical constitution:
30%≤ZrO
2+ HfO
2≤ 55%, and HfO
2≤ 2%;
18%≤SiO
2≤35%;
6%≤Al
2O
3≤40%;
0.5%≤MgO≤6%;
B
2O
3≤5%;
Other oxide compounds <9.0%, and
-take the weight percent of the crystallization phases based on existing and total amount as 100%, described particle has following crystallization phases:
32%≤zircon≤80%;
3%≤mullite≤15%;
Zirconium white+hafnium oxide :≤9%, zirconium white and hafnium oxide are stabilized alternatively;
4%≤corundum≤37%;
Other crystallization phasess <10%, and
-total porosity is less than or equal to 6%.
From specification sheets, will find out in more detail, contriver finds surprisingly, and the combination of these features has greatly improved wear resistance, has especially improved the wear resistance in alkaline medium.
Therefore,, according to particle of the present invention, especially bead, is specially adapted to dispersion in humid medium, micro-grinding and surface-treated application.
In addition, they demonstrate the chemical corrosivity of good media-resistant, in this medium, especially in strongly basic medium (, pH>8), carry out while grinding.For example, be therefore particularly suitable for the suspensoid of grinding calcium carbonate according to particle of the present invention.
Can also there are the one or more features in following optional feature according to sintered particles of the present invention:
-weight percent meter based on oxide compound, ZrO
2+ HfO
2content be greater than 25%, be preferably more than or equal 30%, be preferably more than 33%, be preferably more than 35%, be preferably more than 40% or be even greater than 42% and/or be less than 50%;
-weight percent meter based on oxide compound, SiO
2content be greater than 16%, be preferably more than or equal 18%, be preferably more than 20%, be preferably more than 23% or be even greater than 26% and/or be less than 33% or be even less than 31%;
-weight percent meter based on oxide compound, Al
2o
3content be greater than 10%, be preferably more than 14%, be preferably more than 18% or be even greater than 20% and/or be less than 55%, be preferably less than 50%, be preferably less than 45%, be preferably less than or equal to 40%, be preferably less than 36%, be preferably less than 31% or be even less than 26%;
-weight percent meter based on oxide compound, the content of MgO is greater than 0.6% or be even greater than 0.7% or be even greater than 0.8% or be even greater than 0.9% or be even greater than 1.0% and/or be less than 5.0% or be even less than 4.5% or be even less than 4.0% or be even less than 3.5% or be even less than 3.0% or be even less than 2.5% or be even less than 2.0%;
-weight percent meter based on oxide compound, B
2o
3content be less than 0.2%, preferably approximate zero; In another embodiment, B
2o
3content be greater than 1.0% and be less than 3.0%;
-in one embodiment, based on the weight percent meter of oxide compound, " other oxide compounds " comprises the Y that is selected from that is greater than 0.1%
2o
3, oxide compound in lanthanide oxide and its mixture, be preferably selected from Y
2o
3and La
2o
3oxide compound, be preferably Y
2o
3oxide compound; Preferably, Y
2o
3and/or lanthanide oxide, preferred Y
2o
3and/or La
2o
3, preferred Y
2o
3content be greater than 0.7%, be preferably greater than 0.9%, and/or be less than 3.0% or be even less than 2.5%;
-in one embodiment, based on the weight percent meter of oxide compound, " other oxide compounds " comprises the CaO that is greater than 0.1%, especially when based on comprise the step d) being shaped by gelation method obtain particle time.Preferably, based on the weight percent meter of oxide compound, the content of CaO is greater than 0.3%, is preferably greater than 0.4%, is preferably greater than 0.5%, and/or is less than 4.0%, is preferably less than 3.0% or be even less than 2.0% or be even less than 1.0%;
-in one embodiment, " other oxide compounds " comprises Y
2o
3and/or lanthanide oxide and CaO, preferably include Y
2o
3and CaO;
-weight percent meter based on oxide compound, except CaO, Y
2o
3be less than 3.0% with " other oxide compounds " outside lanthanide oxide, be preferably less than 2.0%, be preferably less than 1.5% or be even less than 1.0%;
-except CaO, Y
2o
3impurity with " other oxide compounds " outside lanthanide oxide;
-preferably, the content of the oxide compound in particle according to the present invention account for described particle gross weight be greater than 99.5%, be preferably greater than 99.9% and, more preferably from about 100%;
-total amount based on crystallization phases by weight percentage, zircon content (phase ZrSiO
4) be greater than 45%, be preferably greater than 50%, be preferably greater than 60%, be preferably greater than 65%;
-total amount based on crystallization phases by weight percentage, mullite content (phase 3Al
2o
3-2SiO
2) be greater than 5%, be preferably greater than 7%, be preferably greater than 8% and/or be less than 14%, be preferably less than 12%, be preferably less than 11%;
-during sintering, generate at least a portion or even whole mullites, that is, original position is synthesized mullite;
-total amount based on crystallization phases by weight percentage, stabilized zirconium white (phase ZrO alternatively
2)+hafnium oxide (phase HfO
2) content be less than 5% or be even less than 4% or be even less than 3% or be even less than 2%;
-weight based on zirconium white+hafnium oxide is greater than 90% by weight percentage, be preferably more than zirconium white+hafnium oxide of 95% is monocline crystalline phase;
-total amount based on crystallization phases by weight percentage, corundum content (phase Al
2o
3) be greater than 8%, be preferably greater than 12%, be preferably greater than 15% and/or be less than 50%, be preferably less than 45%, be preferably less than 40%, be preferably less than or equal to 37%, be preferably less than 35%, be preferably less than 30%, be preferably less than 25% or be even less than 20%;
By weight percentage, the content of " other crystallization phasess " is less than 8% to-gross weight based on crystallization phases, be preferably less than 6% or be even less than 5% or be even less than 4% or be even less than 3% or be even less than 2%;
-preferably, " other crystallization phasess " is spinel MgAl
2o
4and/or trichroite and/or lime feldspar and/or quartz and/or cristobalite and/or tridymite;
-with respect to the weight of described particle by weight percentage, the content of noncrystalline phase (, glassy phase) is less than 20%, be less than 15% or be even less than 14% or be even less than 12% and/or be greater than 5% or be even greater than 7%;
-the amorphous phase that represents with oxide form comprises MgO and SiO
2, and/or B
2o
3and/or Y
2o
3and/or lanthanide oxide and/or Al
2o
3and/or CaO and/or Na
2o and/or K
2o and/or P
2o
5;
-the amorphous phase that represents with oxide form comprises MgO and SiO
2and Y
2o
3and Al
2o
3and Na
2o and K
2o and P
2o
5;
-total porosity is less than 5.5%, be preferably less than 5%, be preferably less than 4.5% or be even less than 4% or be even less than 3% or be even less than 2%;
The particle diameter that-sintered particles has is less than 10mm and/or is greater than 0.005mm;
-sintered particles is bead;
The sphericity that-sintered particles has is greater than 0.7, be preferably greater than 0.8, be preferably greater than 0.85 or be even greater than 0.9;
The density of-sintered particles is greater than 3.6g/cm
3, or be even greater than 3.7g/cm
3, or be even greater than 3.80g/cm
3, or be even greater than 3.85g/cm
3, or be even greater than 3.93g/cm
3, or be even greater than 4.00g/cm
3, or be even greater than 4.05g/cm
3, or be even greater than 4.10g/cm
3and/or be less than 4.40g/cm
3, or be even less than 4.30g/cm
3, or be even less than 4.20g/cm
3.
According to sintered particles of the present invention, preferably bead, this bead have precedence over every other material, have:
-take the weight percent based on oxide compound and total amount as 100%, described particle has following chemical constitution:
42%≤ZrO
2+ HfO
2≤ 50%, and HfO
2≤ 2%;
23%≤SiO
2≤31%;
20%≤Al
2O
3≤26%;
0.6%≤MgO≤2%;
B
2O
3≤3%;
0.9%≤Y
2O
3≤2.5%;
0.4%≤CaO≤1%;
Be less than 3% except ZrO
2, HfO
2, SiO
2, Al
2o
3, MgO, B
2o
3, Y
2o
3with the oxide compound outside CaO, and
-take the weight percent of the crystallization phases based on existing and total amount as 100%, described particle has following crystallization phases:
65%≤zircon≤80%;
8%≤mullite≤11%;
Zirconium white+hafnium oxide :≤3%, zirconium white and hafnium oxide are stabilized alternatively;
15%≤corundum≤20%;
Be less than other crystallization phasess of 2%, and
-weight based on particle, is less than 14% amorphous phase, and
-total porosity is less than or equal to 6%.
The invention still further relates to a kind of powder of particle, comprise be greater than by weight percentage 90%, be preferably greater than 95%, preferably approximately 100% according to particle of the present invention.
The invention still further relates to and manufacture according to the method for sintered particles of the present invention, the especially bead of sintering, the method comprises following continuous step:
A) if desired, grind one or more raw-material powder, preferably grind by common grinding, make their mixing in step c) produce the particulate mixtures with the median particle diameter that is less than 0.6 μ m,
B) alternatively, dry described particulate mixtures,
C) prepare starting material from described particulate mixtures, dry alternatively, the composition of described starting material is adjusted to obtain sintered particles when the end of step g), its composition has the composition meeting according to sintered particles of the present invention, and described starting material has and contains magnesian glass particle and/or the particle that contains magnesian glass-ceramic and/or comprise MgO and SiO
2the particle of compound,
D) form the starting material with rough particle form,
E) alternatively, washing,
F) alternatively, dry,
G) be greater than 1330 ℃ and be less than under the sintering temperature between 1410 ℃ sintering to obtain sintered particles.
The present invention finally relates to especially and (to be particularly useful for prevent carrier extract the deep layer geology crack closure that in the well of well produce according to the powder of particle of the present invention (especially bead) as abrasive material, the dispersion agent in humid medium, carrier by the method according to this invention manufacturing, be particularly useful for oil) or heat exchange agent (for example,, for fluidized-bed) or surface-treated purposes.
definition
-" particle " refers to the single solid phase prod in powder.
-" sintering " is rough particle (granular aggregate) by heat treated the solidifying at higher than 1100 ℃, wherein, and partly or entirely consolidation of some compositions of rough particle (but not every composition) alternatively.
-" bead " refers to the particle that sphericity is greater than 0.6, and no matter how this sphericity realizes, wherein, sphericity is the minimum diameter of particle and the ratio of its maximum diameter.Preferably, bead according to the present invention has the sphericity that is greater than 0.7.
" size " of-bead (or particle) is the mean value of its overall dimension dM and its minimum size dm: (dM+dm)/2.
-conventionally use D
50" median particle diameter of powder " that represent is such particle diameter: by first group and second group of the weight such as the particle of this powder is divided into, described first group and second group only comprises respectively the particle with the particle diameter that is greater than or less than median particle diameter.For example, use laser particle size meter can assess median particle diameter.
-" bead of sintering ", or more wide in range " sintered particles " refers to the solid bead (or particle) obtaining by the rough particle of sintering.
-" impurity " should be understood to the unavoidable component that finger must be introduced by raw material.Particularly, in one embodiment, belonging to the compounds being formed by the metallics of oxide compound, nitride, oxynitride, carbide, oxycarbide, carbonitride, sodium and other basic metal, iron, vanadium and chromium is impurity.As example, the impurity that can mention is Fe
2o
3, TiO
2or Na
2o.Residual carbon is according to a part for the impurity in the composition of particle of the present invention.
-when mentioning ZrO
2or (ZrO
2+ HfO
2) time, should be understood to ZrO
2hfO with trace
2.In fact, based on ZrO
2+ HfO
2weight percent meter, cannot be from ZrO
2middle chemical separation and there is a small amount of HfO of similar performance
2always be present in natively in zirconium white source to be usually less than 3% content.Hafnia is not considered to impurity.
" precursor " of-oxide compound refers to the component that described oxide compound can be provided during according to the manufacture of particle of the present invention.
-" group of the lanthanides " is that ordination number is at 57(lanthanum) and 71(lutetium) between chemical element, lanthanum and lutetium are included in described group of the lanthanides.
For the sake of clarity, term " ZrO
2", " HfO
2" and " Al
2o
3" being used to refer to the content of these oxide compounds in composition, " zirconium dioxide ", " hafnium oxide " and " corundum " are used to refer to respectively by ZrO
2, HfO
2and Al
2o
3the crystallization phases of these oxide compounds that form.But these oxide compounds also can be used as other and exist mutually, especially with zircon (ZrSiO
4) form or mullite (3Al
2o
3-2SiO
2) form.
Unless otherwise indicated, all per-cents otherwise in this specification sheets are the weight percents based on oxide compound.
Unless otherwise indicated, otherwise " comprising one ", " comprising one " or " thering is one " refer to and comprise " at least one ".
specifically describe
In order to manufacture according to sintered particles of the present invention, can follow the above-described and technique to step g) by the step a) presenting in detail below.
In step a), raw-material powder can be ground individually, or preferably altogether grinds, if they are mixed with the ratio that is suitable for preparing initial charge, in step c), can not produce the particulate mixtures with the median particle diameter that is less than 0.6 μ m.This grinding can be wet-milling.
Preferably, grind or grind to be altogether performed and make the median particle diameter of described particulate mixtures be less than 0.5 μ m, preferably be less than 0.4 μ m.
Preferably, powder used, especially zircon ZrSiO
4powder, aluminium oxide Al
2o
3powder, Y
2o
3powder, lanthanide oxide powder, contain magnesian glass powder, contain magnesian glass ceramic powder, comprise MgO and SiO
2the powder of compound and the powder of mullite, its median particle diameter having is less than respectively 5 μ m or is even less than 3 μ m, is less than 1 μ m, is less than 0.7 μ m, is preferably less than 0.6 μ m, is preferably less than 0.5 μ m or is even less than 0.4 μ m.Advantageously, the median particle diameter having when every kind of powder in these powder is less than 0.6 μ m, when being preferably less than 0.5 μ m or being even less than 0.4 μ m, and step a) is optional.
Preferably, the specific surface area that zircon powder used calculates by BET method (specific surface area method) is greater than 5m
2/ g, be preferably greater than 8m
2/ g, be preferably greater than 10m
2/ g and/or be less than 30m
2/ g.Advantageously, facilitate conventionally with the grinding in the step a) of form of suspension by this point.In addition, can be reduced in the sintering temperature in step f).
Preferably, the median particle diameter that alumina powder used has is less than 7 μ m, is preferably less than 6 μ m or is even less than 3 μ m or is even less than 2 μ m or is even less than 1 μ m or is even less than 0.5 μ m.Advantageously, facilitate alumina powder and silicon-dioxide from existing particulate mixtures or produce during step g) to form mullite by this point.
In step b), alternatively, if obtain raw-material abrasive flour by wet lapping, for example in baking oven or by spraying, be dried raw-material abrasive flour.Preferably, the time length of adjusting temperature and/or drying step makes the content of residual water of raw-material powder be less than 2% or be even less than 1.5%.
In step c), at room temperature prepare initial charge, this initial charge comprises zircon ZrSiO
4powder, Al
2o
3powder and optional Y
2o
3and/or lanthanide oxide and/or contain magnesian glass and/or contain magnesian glass-ceramic and/or comprise MgO and SiO
2compound and/or the powder of mullite.
These powder also can adopt the powder of the precursor of these oxide compounds of equivalent introducing to replace at least in part.
Particularly, these crystallization phasess that a part or even whole particles according to zircon of the present invention and/or mullite can come to exist in comfortable initial charge.
The powder that contains magnesian glass powder and/or contain magnesian glass-ceramic preferably contains and is greater than 40%, is preferably more than 50% or be even greater than 60% or be even greater than 70% or be even greater than the silicon-dioxide of 80 % by weight.They also can not contain silicon-dioxide.
Comprise MgO and SiO
2compound, also preferably include Al
2o
3.Preferably, described compound is selected from talcum, trichroite and its mixture.Preferably, described compound is trichroite.Particularly, based on the weight of initial charge, the amount of the trichroite that initial charge can contain is preferably greater than 3.8%, be preferably greater than 4%, be preferably greater than 5% and/or be less than 30%, be preferably less than 25%, be preferably less than 20% or be even less than 15 % by weight.
Provide the powder of oxide compound or precursor preferably selected, make based on oxide compound by weight percentage, " other oxide compounds " is (except ZrO
2, HfO
2, SiO
2, Al
2o
3, MgO and B
2o
3outside oxide compound) total content be less than 3%.
Based on the weight of initial charge, zircon powder (, the ZrSiO that initial charge contains
4particle) amount be greater than by weight 32%, be preferably greater than 45%, be preferably greater than 50%, be preferably greater than 60%, be preferably greater than 65% and/or be less than 80%.
Based on the weight of initial charge, alumina powder (, the Al that initial charge contains
2o
3particle) amount be greater than 4%, be preferably greater than 8%, be preferably greater than 12%, be preferably greater than 15% and/or be less than 55%, be preferably less than 50%, be preferably less than 45%, be preferably less than 40%, be preferably less than 35%, be preferably less than 30%, be preferably less than 25 % by weight.Preferably, described alumina powder is active oxidation aluminium powder form and/or calcined oxide aluminium powder form and/or transition state of alumina powder.Preferably described alumina powder is active oxidation aluminium powder form.
In one embodiment, based on crystallization phases by weight percentage, initial charge comprises and is less than 9%, is less than 5%, is less than 2% zirconium dioxide (, ZrO
2particle) or even do not comprise zirconium dioxide.In fact, zirconium dioxide or the even whole zirconium whites of a part can originate from the decomposition of zircon during sintering in step g).
In one embodiment, based on crystallization phases by weight percentage, initial charge comprises and is less than 15%, is less than 10%, is less than 5% mullite, or even do not comprise mullite.In step g), during sintering, preferably can generate in situ a part of mullite or even whole mullites from the precursor that is selected from following material:
-contain magnesian glass, preferably include SiO
2, and/or
-contain magnesian glass-ceramic, and/or
-comprise MgO and SiO
2compound, described compound preferably also comprises Al
2o
3(preferably described compound is selected from talcum and trichroite, preferably described compound is trichroite), and/or
-derive from zircon ZrSiO
4resolve into zirconium white ZrO
2with silicon-dioxide SiO
2aluminum oxide and silicon-dioxide.
By the precursor of mullite mentioned above and/or by comprising that magnesian other compounds can provide MgO.
In one embodiment, initial charge comprises Y
2o
3and/or the powder of the particle of lanthanide oxide, Y preferably
2o
3powder and the La of particle
2o
3the powder of particle, preferably Y
2o
3the powder of particle, based on the weight of initial charge, the amount of the powder of the particle comprising is greater than 0.1%, be preferably more than 0.7%, be preferably more than 0.9% and/or be preferably less than 3% or be even less than 2.5 % by weight.
In one embodiment, three embodiments that combination has above just been described.
In one embodiment, based on the weight of initial charge, initial charge comprises pulverous silicon-dioxide (, SiO
2particle), its content is preferably greater than 0.5%, be preferably greater than 1%, be preferably greater than 2% and/or be less than 10%, be preferably less than 8%, be preferably less than 5 % by weight.
Preferably, in initial charge, deliberately do not introduce except ZrO is provided
2+ HfO
2, SiO
2, Al
2o
3, MgO and Y alternatively
2o
3and/or lanthanide oxide and/or B
2o
3and/or starting material outside the starting material of the precursor of CaO and they, other oxide compounds of existence are impurity.
In addition, initial charge can comprise solvent (preferably water), and the amount of solvent is suitable for the method for the shaping in step d).
Those skilled in the art knows, and initial charge is suitable for the method for the shaping in step d).
Be shaped and especially can come from the method for gelation.For this object, solvent (preferably water) is added to initial charge with prepare suspension.
The weight percent content of the dry-matter that preferably, suspension has is between 50% to 70%.
Suspension can also comprise one or more of following ingredients:
-dispersion agent, based on the weight percent meter of dry-matter, concentration from 0 to 10%;
-surface tension modifier, based on the weight percent meter of dry-matter, concentration from 0 to 3%;
-jelling agent or " gelifying agent ", based on the weight percent meter of dry-matter, concentration from 0 to 2%.
Those skilled in the art knows dispersion agent, surface tension modifier and jelling agent.
With regard to embodiment, can mention:
-with regard to dispersion agent, sodium polymethacrylate or ammonium polymethacrylate class, sodium polyacrylate or ammonium polyacrylate class, polyacrylic acid (sodium or ammonium salt) or other polyelectrolyte classes, citric acid salt (for example ammonium citrate), sodium phosphate class and carbonates;
-surface tension modifier, for example, the organic solvent of fatty alcohol;
-jelling agent, for example, natural polysaccharide.
During manufacturing step subsequently, all these compositions disappear, but they still can keep trace.
Preferably, the powder of oxide compound and/or precursor is added to water in ball mill and the mixture of dispersion agent/deflocculation agent.After stirring, add water, wherein, jelling agent is dissolved to obtain suspension in advance.
If being shaped is the result of extruding, can add thermoplastic polymer and thermosetting polymer to initial charge.
In step d), can adopt for the manufacture of sintered particles, any ordinary method of the shaping of sintered beads especially.
In these methods, can mention:
-prilling process, for example, adopts tablets press, fluidized bed pelletizer or granulation disc;
-gel method,
-injection moulding or the method for extruding, and
-process for stamping.
In gel method, obtain the drop of above-described suspension through calibration hole by suspension flow.The drop that leaves hole falls into the bath of gelating soln (be suitable for react with jelling agent ionogen), wherein, drop roughly become spherical after, drop hardening.
In step e), alternatively, the rough particle that washing obtains in previous step, for example, washes with water.
In step f), alternatively, for example, the dry rough particle being washed alternatively in baking oven.
In step g), the rough particle that is washed alternatively and/or is dried is sintered.Preferably, preferably under atmospheric pressure, preferably in electric arc furnace, in air, carry out sintering.
Being greater than 1330 ℃, be preferably greater than 1340 ℃, be preferably greater than 1350 ℃, be preferably greater than 1360 ℃, be preferably greater than 1370 ℃ and be less than 1410 ℃, be preferably less than 1400 ℃, be preferably less than the sintering in performing step g) at the temperature of 1390 ℃.The sintering temperature that equals 1375 ℃ is most suitable.The sintering temperature that is less than 1330 ℃ can not obtain the particle with the total porosity that is less than or equal to 6%, and in the time that original position generates mullite, the amount of mullite is more than or equal to 3%.On the contrary, be greater than the excessive decomposition that the sintering temperature of 1410 ℃ causes zircon, this is disadvantageous to wear resistance.
Preferably, sintering duration is between 2 hours to 5 hours.If sintering duration equals 4 hours, be most suitable.
The sintered particles obtaining preferably has the form of the bead of the minimum diameter between 0.005mm and 10mm.
Can apply following rule well-known to those having ordinary skill in the art to obtain according to sintered particles of the present invention:
-increase the amount of the zircon in sintered particles: increase the amount of zircon in initial charge and/or reduce sintering temperature so that zircon is resolved into silicon-dioxide and zirconium dioxide by restriction;
-be reduced in the amount of zircon in sintered particles: reduce the amount of zircon in initial charge and/or increase sintering temperature;
-increase the amount of the corundum in sintered particles: increase the amount of corundum in initial charge and/or reduce sintering temperature so that the original position of restriction mullite is shaped;
-be reduced in the amount of corundum in sintered particles: be reduced in the amount of corundum in initial charge and/or increase sintering temperature;
-increasing the zirconic amount in sintered particles: in increase initial charge, zirconic amount and/or reduction sintering temperature are so that zircon is resolved into silicon-dioxide and zirconium dioxide by restriction;
-increase the amount of the mullite in sintered particles: increase the amount of mullite in initial charge and/or increase sintering temperature to promote the original position of mullite to be shaped;
-reduce the amount of the mullite in sintered particles: reduce the amount of mullite in initial charge and/or reduce sintering temperature so that the original position of restriction mullite is shaped;
-reduce the total porosity with the sintered particles that limits initial charge: make sintering temperature approach the preferable range of sintering temperature and/or increase the amount of Powdered silicon-dioxide in initial charge and/or increase to comprise MgO and SiO in initial charge
2the amount of compound.
Sintered particles according to the present invention is specially adapted to as abrasive material or the dispersion agent in humid medium and for surface treatment.Therefore, the invention still further relates to most particles, especially according to the bead of bead of the present invention or the method according to this invention manufacturing, as the purposes of abrasive material or the dispersion agent in humid medium.
But, should note, can make them be suitable for other purposes according to the performance of particle of the present invention (especially their physical strength, their density and the easy degree of their production), especially as propping agent or heat exchange agent or for surface treatment (especially by particle polishing according to the present invention).
Therefore, the invention still further relates to and be selected from levitation device, shredder, for the device of surface-treated equipment and heat exchanger, described device comprises the powder according to particle of the present invention.
Embodiment
embodiment
Following non-limiting examples provides for the purpose of illustrating the invention.
measurement scheme
Following method is for the specified property of the multiple mixture of the bead of definite sintering.They provide the excellence of the truth of moving in micro-abrasive application to simulate.
In order to determine so-called " planetary " wear resistance, 20ml(is used to scale test tube measured volume) particle diameter weigh at the bead to be tested between 1.2mm to 1.4mm that (weight is m
0), then put it into a bowl in 4 bowls high speed planetary-type grinding machine, that be 125ml with the volume that fine and close sintered alumina applies of the PM400 type of manufacturing by RETSCH.By the silicon carbide of the 2.2g being produced by Presi, (median particle diameter D50 is that 23 μ m) join in the same bowl that holds bead with the water of 40ml.This bowl is closed and sets the speed rotation (planetary motion) with 400rev/min, and the reversion of sense of rotation per minute once continues 1.5 hours.The content of bowl subsequently on 100-μ m sieve washing with remove residual silicon carbide and grinding during the material that comes off due to wearing and tearing.After the sieve top sieve of 100-μ m divides, bead is dried at 100 ℃ to 3 hours (weight m that weigh subsequently in baking oven
1).Described bead (weight m
1) again put into one of them bowl of the suspension (concentration as hereinbefore and consumption) with SiC, and carry out the new circulation of the grinding identical with last circulation.The content of bowl subsequently on 100-μ m sieve washing with remove residual silicon carbide and grinding during the material coming off due to wearing and tearing.After the sieve top sieve of 100-μ m divides, bead is dried at 100 ℃ to 3 hours (weight m that weigh subsequently in baking oven
2).Described bead (weight m
2) again put into one of them bowl of the suspension (concentration as hereinbefore and consumption) with SiC and carry out the new circulation of the grinding identical with last circulation.The content of bowl subsequently on 100-μ m sieve washing with remove residual silicon carbide and grinding during the material that comes off due to wearing and tearing.After the sieve top sieve of 100-μ m divides, at 100 ℃, bead is dried to 3 hours in baking oven, (weight m subsequently weighs
3).
Planetary wearing and tearing (PW) represent with per-cent (%) and equal the weight loss of bead with respect to bead initial weight, or: 100(m
0-m
3)/(m
0); In table 1, provide result PW.
Can think, if fruit product with respect at least improving 15% with reference to embodiment 1 in planetary wearing and tearing (PW), result is gratifying.
For determine so-called " in alkaline medium (that is, and pH value higher than 8 medium in) " wear resistance, the charging of bead to be tested is screened between 1.8mm to 2mm on square hole sieve.The bead that is 1.04 liters by apparent volume (the weight m' that weighs
0).Bead is placed in the horizontal mill (useful volume of 1.2L) with the Netzsch LME1 type of eccentric steel disk subsequently.Calcium carbonate CaCO
3the pH value that has of waterborne suspension be 8.2, contain 70% dry-matter, wherein, 40% particulate has the particle diameter that is less than 1 μ m by volume, this suspension passes through shredder continuously with the flow velocity of 5 ls/h.Shredder starts gradually until to realize in the linear velocity of end of dish be 10m/s.The operated time length t of shredder equals 6 hours, then stops.Bead water rinses, and takes out carefully then washing and dry from shredder.Then they are weighed (weight m').Wear rate V(represents with Grams Per Hour) determine by following formula: V=(m'
0-m')/t.
The charging of bead is collected and supplements (m'
0-m') gram new bead with repeatedly (n time) of repetitive operation as required, it is relative that the milling time that makes accumulation is at least that the difference between 40 hours and the wear rate that makes to calculate in step n and step n-1 is less than 15%().Wearing and tearing (BW) in alkaline medium are measured wear rate in this stable condition (normally 42 hours).In table 1, provide BW result.
Can think, as fruit product at least improves 20% in the wear resistance (BW) of alkaline medium with respect to the wear resistance with reference to embodiment 1, result is gratifying especially.
The crystallization phases existing in sintered particles according to the present invention is measured by X-ray diffraction, for example, and by the diffractometer type instrument X'Pert PRO that is provided with copper DX pipe from Panalytical company.Use this equipment to carry out obtaining of diffraction pattern on angular range 2 θ between 5 ° to 80 °, wherein step-length is 0.017 °, and gate time is 60s/ step-length.Front lens comprises the fixing programmable divergent slit that uses 1/4 °, the Soller slit of 0.04rad, and mask equals 10mm and fixing anti-scatter slit is 1/2 °.Sample rotates to limit preferred direction around the axis of himself.Rear lens comprises the fixing programmable anti-scatter slit that uses 1/4 °, the Soller slit of 0.04rad, and Ni spectral filter.The pattern obtaining adopts the High Score Plus software with Rietveld matching to process, the section of mullite is at " Crystal structure and compressibility of3:2mullite " (Balzar etc., American Mineralogist; In December, 1993; The 78th volume; No.11-12; The 1192nd page the-the 1196th page) the middle Al describing
4.5si
1.5o
9.74section.Multiple parameters are the maximum yojan for the value of " R Bragg " by matching.
For example, by X-ray diffraction (, by the diffractometer type instrument X'Pert PRO that is provided with copper DX pipe from Panalytical company), measure according to the amount of the amorphous phase existing in sintered particles of the present invention.Carry out obtaining of diffraction pattern with this equipment, be determined in the same way the crystalline phase in particle.The weight of the sample based on zinc oxide according to the present invention and sintered particles, method used comprises: in the case of existing the amount of zinc oxide to equal 20%, add the standard holocrystalline of known quantity.
Total porosity (representing with %) adopts following formula to evaluate:
Total porosity=100 × (1 – (d
bead/ d
the bead grinding)), wherein,
-d
beadaccording to the method for the volume of the gas (being helium in this case) based on measurement displacement, use helium specific gravity flask (from
the AccuPyc1330 of company) obtain grinding before bead density, and
-d
the bead grindingit is the powder density of grinding bead 40s, then screening (making the powder only sieving through 160-μ m for measuring) acquisition in the circular dry grinding machine of being manufactured by Aurec.
fabrication scheme
From the about 8m of specific surface area
2/ g and median particle diameter equal the zircon powder of 1.5 μ m; Purity equal 99.5% and median particle diameter be less than the alumina powder of 5 μ m; Purity be greater than 95% and median particle diameter be less than the cordierite powder of 63 μ m; And according to performed embodiment, median particle diameter be less than 53 μ m and the ignition loss amount carried out at 1000 ℃ between 10% to 15% and SiO
2+ Al
2o
3the total content clay that is greater than 82%; Be greater than based on rare earth oxide purity 99.9% and median particle diameter be less than the Y of 10 μ m
2o
3powder, prepare the bead of sintering.
These powder are mixed to be ground altogether until obtain the particulate mixtures with the median particle diameter that is greater than 0.4 μ m subsequently in humid medium.This particulate mixtures of subsequent drying.
Prepare from this particulate mixtures the initial charge being formed by waterborne suspension subsequently, this waterborne suspension comprises: based on the weight percent meter of dry-matter, the dispersion agent of the dispersion agent of 0.5% carboxylic acid type, 0.6% sodium phosphate type and 0.4% jelling agent (, the polysaccharide of alginates).
Ball mill is the good homogeneity with acquisition initial charge for described preparation: the solution that first preparation contains jelling agent.Then, particulate mixtures and dispersion agent are added to the water.Then add the solution that contains jelling agent.The mixture obtaining is stirred 8 hours.By use company
the particle diameter that the Sedigraph5100 particle-size analyzer (sedigraph) of selling carrys out monitor particles by sedimentation (median particle diameter <0.4 μ m), adds appropriate water to obtain the waterborne suspension that has 66% dry-matter and have the viscosity (using LV3 axle to measure with the speed Brookfield viscometer of 20rev/min) that is less than 5000 centipoises.Thereby the pH value of suspension approximates 8.
Suspension is forced through calibration hole with certain flow velocity, and this flow velocity can make to obtain the bead of the 1.2mm to 1.4mm in the content of this embodiment after sintering.The drop of suspension falls into the coagulation bath based on ionogen (salt of divalent cation), and reacts with jelling agent.Rough bead is collected, washs, then at 80 ℃, is dried to remove moisture.Bead is transferred to sintering oven subsequently, and in this sintering oven, these beads are heated to required sintering temperature Ts with the speed of 100 ℃/h.Under temperature T s, through after the steady stage of 4 hours, can reduce temperature by naturally cooling.
result
What obtain the results are summarized in following table 1.
Is the zircon bead of sintering conventional in abrasive application with reference to bead (not being according to bead of the present invention) in embodiment " with reference to 1 ", and its composition approaches the composition of the embodiment 4 in US2004/007789.
Surprisingly, these embodiment show, with compared with bead, test bead according to the present invention demonstrates significant performance.
According to the comparison of the product of embodiment 2, embodiment 4, embodiment 13 and embodiment 14, under the temperature T s that equals 1375 ℃ and except MgO, substantially having identical chemico-analytic all sintered products shows: the impact in the wear resistance of MgO at bead: contain respectively 0.39% and 0.03% MgO according to the product of embodiment 13 and embodiment 14, with respect to according to the product with reference to 1, there is respectively poor wear resistance PW% according to the product of embodiment 13 and embodiment 14.Contain respectively 0.69% and 1.03% MgO according to the product of embodiment 2 and embodiment 4, with respect to according to the product with reference to 1, there is respectively the wear resistance PW% of improvement according to the product of embodiment 2 and embodiment 4.
The such fact of comparative descriptions according to the product of embodiment 1 and embodiment 2: exceed 6% if total porosity increases, no longer improve with respect to the Wear Resistance PW% with reference to 1.
The product of embodiment 11 and embodiment 12 shows, if mullite content equals 3%, wear resistance PW% improves respectively 17% and 36% with respect to the product with reference to 1.Demonstrate according to other embodiments of the invention, the mullite content (embodiment 4) for 10%, wear resistance PW% increases until it reaches maximum value.
With respect to from reference to 1 product, according to the product of embodiment 17 (not being according to product of the present invention) demonstration place, equal 17% mullite content and do not improve wear resistance PW%.
According to the comparison of the product of embodiment 7, embodiment 9 and embodiment 10, equaling under 1375 ℃ of temperature T s and except Y
2o
3outside substantially there are identical chemico-analytic all sintered products and demonstrate, Y
2o
3impact in the wear resistance of bead: if Y
2o
3content increase, wear resistance PW% increase.With respect to the product with reference to 1, according to the Y with 1.09%
2o
3the product of the embodiment 10 of content demonstrates, and on wear resistance PW%, improves 44%, and, with respect to the product with reference to 1, Y
2o
3content equal respectively 0.7% and 0.2% on wear resistance PW%, improve respectively 35% and 31% according to embodiment 7 with according to the product of embodiment 9.
With respect to reference 1, embodiment 2, embodiment 3, embodiment 4, embodiment 5, embodiment 7 and embodiment 8 relatively demonstrate, the sintering temperature Ts that equals 1425 ℃ has reduced wear resistance PW%, but the identical product of institute's sintering has improved this abradability under the temperature T s that equals 1375 ℃.
With respect to the product with reference to 1, demonstrate on wear resistance BW% and improve 45% according to the product of embodiment 10.
In an embodiment, zirconium white and hafnium oxide are approximate 100% oblique crystals.
The product of embodiment 4 and embodiment 10 is preferred product.
Certainly, the invention is not restricted to above-described embodiment and embodiment.Particularly, other gel systems are suitable for manufacturing according to ceramic beads of the present invention.Therefore, US5466400, FR2842438 and US4063856 have described applicable sol-gel technique.FR2842438 and US4063856 are suitable for the gel systems that is similar to above-described system (based on alginate), but US5466400 has described extremely different gel systems.
It is also contemplated that the method described and by punching press or form the method for bead by granulation in US2009/0036291.
Can combine multiple embodiments.
Claims (55)
1. a sintered particles,
-take the weight percent based on oxide compound and total amount as 100%, described particle has following chemical constitution:
22%≤ZrO
2+ HfO
2≤ 55%, and HfO
2≤ 2%;
14%≤SiO
2≤35%;
6%≤Al
2O
3≤60%;
0.5%≤MgO≤6%;
B
2O
3≤5%;
Other oxide compounds <9.0%, and
-take the weight percent of the crystallization phases based on existing and total amount as 100%, described particle has following crystallization phases:
32%≤zircon≤80%;
3%≤mullite≤15%;
Zirconium white+hafnium oxide :≤9%, described zirconium white and hafnium oxide are stabilized alternatively;
4%≤corundum≤57%;
Other crystallization phasess <10%, and
-total porosity is less than or equal to 6%.
2. according to the sintered particles described in last claim,
-take the weight percent based on oxide compound and total amount as 100%, described particle has following chemical constitution:
30%≤ZrO
2+ HfO
2≤ 55%, and HfO
2≤ 2%;
18%≤SiO
2≤35%;
6%≤Al
2O
3≤40%;
0.5%≤MgO≤6%;
B
2O
3≤5%;
Other oxide compounds <9.0%, and
-take the weight percent of the crystallization phases based on existing and total amount as 100%, described particle has following crystallization phases:
32%≤zircon≤80%;
3%≤mullite≤15%;
Zirconium white+hafnium oxide :≤9%, described zirconium white and hafnium oxide are stabilized alternatively;
4%≤corundum≤37%;
Other crystallization phasess <10%, and
-total porosity is less than or equal to 6%.
3. according to sintered particles in any one of the preceding claims wherein, wherein: 35%≤ZrO
2+ HfO
2.
4. according to the sintered particles described in last claim, wherein: 40%≤ZrO
2+ HfO
2.
5. according to sintered particles in any one of the preceding claims wherein, wherein: SiO
2>23% and/or Al
2o
3>10% and/or MgO>0.6%.
6. according to sintered particles in any one of the preceding claims wherein, wherein: SiO
2<31% and/or Al
2o
3<36% and/or MgO<5.0%.
7. according to sintered particles in any one of the preceding claims wherein, wherein: 31%>Al
2o
3>18%.
8. according to sintered particles in any one of the preceding claims wherein, wherein: 2.0%>MgO>0.8%.
9. according to sintered particles in any one of the preceding claims wherein, wherein: 3.0>B
2o
3>1.0%.
10. according to the sintered particles described in any one in claim 1 to 8, wherein: B
2o
3<0.2%.
11. according to sintered particles in any one of the preceding claims wherein, comprises the Y that is selected from that is greater than 0.1%
2o
3, oxide compound in lanthanide oxide and its mixture.
12. according to the sintered particles described in last claim, wherein: be selected from Y
2o
3, lanthanide oxide and its mixture the content of described oxide compound between 0.7% and 3.0%.
13. according to the sintered particles described in any one in front two claims immediately, wherein: be selected from Y
2o
3, lanthanide oxide and its mixture described oxide compound be Y
2o
3and/or La
2o
3.
14. according to the sintered particles described in last claim, wherein: be selected from Y
2o
3and/or La
2o
3described oxide compound be Y
2o
3.
15. according to sintered particles in any one of the preceding claims wherein, comprises the CaO that is greater than 0.1%.
16. according to the sintered particles described in last claim, wherein: 0.3%<CaO<4.0%.
17. according to the sintered particles described in last claim, wherein: CaO<1.0%.
18. according to sintered particles in any one of the preceding claims wherein, wherein: except ZrO
2, HfO
2, SiO
2, Al
2o
3, MgO, B
2o
3, CaO, Y
2o
3be less than 3.0% with the content of the oxide compound outside described lanthanide oxide.
19. according to the sintered particles described in last claim, wherein: except ZrO
2, HfO
2, SiO
2, Al
2o
3, MgO, B
2o
3, CaO, Y
2o
3be less than 2.0% with the content of the oxide compound outside described lanthanide oxide.
20. according to the sintered particles described in last claim, wherein: except ZrO
2, HfO
2, SiO
2, Al
2o
3, MgO, B
2o
3, CaO, Y
2o
3be less than 1.5% with the content of the oxide compound outside described lanthanide oxide.
21. according to sintered particles in any one of the preceding claims wherein, wherein: the content of described oxide compound account for described particle gross weight be greater than 99.5%.
22. according to sintered particles in any one of the preceding claims wherein, and the zircon content having is greater than 45%.
23. according to the sintered particles described in last claim, wherein: described zircon content is greater than 50%.
24. according to the sintered particles described in last claim, wherein: described zircon content is greater than 60%.
25. according to sintered particles in any one of the preceding claims wherein, the mullite content having is greater than 5% and/or be less than 14%.
26. according to the sintered particles described in last claim, wherein: described mullite content is greater than 7% and/or be less than 12%.
27. according to the sintered particles described in last claim, wherein: described mullite content is greater than 8% and/or be less than 11%.
28. according to sintered particles in any one of the preceding claims wherein, wherein: synthetic described mullite during sintering.
29. according to sintered particles in any one of the preceding claims wherein, and the stabilized zirconium white alternatively having and the content of hafnium oxide are less than 5%.
30. according to sintered particles in any one of the preceding claims wherein, and the corundum content having is greater than 8% and/or be less than 35%.
31. according to the sintered particles described in last claim, wherein: described corundum content is greater than 12% and/or be less than 30%.
32. according to the sintered particles described in last claim, wherein: described corundum content is greater than 15%.
33. according to sintered particles in any one of the preceding claims wherein, and the content of " other crystallization phasess " having is less than 8%.
34. according to the sintered particles described in last claim, wherein: the content of described " other crystallization phasess " is less than 5%.
35. according to the sintered particles described in last claim, wherein: the content of described " other crystallization phasess " is less than 3%.
36. according to sintered particles in any one of the preceding claims wherein, and with the weight percent meter with respect to described particle, the amount of the amorphous phase having is less than 20% and be greater than 5% by weight.
37. according to the sintered particles described in last claim, wherein: with the weight percent meter with respect to described particle, the amount of amorphous phase is less than 15% and/or be greater than 7% by weight.
38. according to the sintered particles described in last claim, wherein: with the weight percent meter with respect to described particle, the amount of amorphous phase is less than 12% by weight.
39. according to the sintered particles described in any one in first three items claim immediately, wherein: the amorphous phase representing with oxide form comprises MgO and SiO
2, and/or B
2o
3and/or Y
2o
3and/or lanthanide oxide and/or Al
2o
3and/or CaO and/or Na
2o and/or K
2o and/or P
2o
5.
40. according to the sintered particles described in last claim, wherein: the amorphous phase representing with oxide form comprises MgO, SiO
2, Na
2o, K
2o and P
2o
5.
41. according to sintered particles in any one of the preceding claims wherein, and the total porosity that described particle has is less than 5.5%.
42. according to the sintered particles described in last claim, the total porosity having is less than 5%.
43. according to the sintered particles described in last claim, the total porosity having is less than 4%.
44. according to sintered particles in any one of the preceding claims wherein, and the sphericity having is greater than 0.6, and described sphericity is the ratio of the minimum diameter of described particle and the maximum diameter of described particle.
45. according to the sintered particles described in last claim, the sphericity having is greater than 0.7.
46. according to the sintered particles described in last claim, the sphericity having is greater than 0.8.
47. according to sintered particles in any one of the preceding claims wherein, and the particle diameter having is less than 10mm and is greater than 0.005mm.
48. 1 kinds of powder, comprise be greater than by weight percentage 90% according to particle in any one of the preceding claims wherein.
49. 1 kinds of manufactures are according to the method for the sintered particles described in any one in claim 1 to 47, and described method comprises following continuous step:
A) if desired, grind one or more raw-material powder, preferably grind by common grinding, make in step c) their particulate mixtures with the median particle diameter that is less than 0.6 μ m that is mixed to get,
B) alternatively, dry described particulate mixtures,
C) prepare starting material from the described particulate mixtures being dried alternatively, the composition of described starting material is adjusted to obtain sintered particles in the time that step g) finishes, the composition of this sintered particles meets the composition according to sintered particles in any one of the preceding claims wherein, and described starting material has and contains magnesian glass particle and/or the particle that contains magnesian glass-ceramic and/or comprise MgO and SiO
2the particle of compound,
D) starting material is configured as to the form of rough particle,
E) alternatively, washing,
F) alternatively, dry,
G) be greater than 1330 ℃ and be less than sintering under the sintering temperature between 1410 ℃.
50. according to the method described in last claim, wherein, in step c), the silicon-dioxide that the powder packets that contains magnesian glass powder and/or contain magnesian glass-ceramic is greater than 40% containing weight percent.
51. according to the method described in last claim, wherein: in step c), and the silicon-dioxide that the powder packets that contains magnesian glass powder and/or contain magnesian glass-ceramic is greater than 60% containing weight percent.
52. according to the method described in any one in first three items claim immediately, and wherein, in step c), described compound comprises MgO and SiO
2, also comprise Al
2o
3.
53. according to the method described in last claim, wherein: described compound is selected from talcum, trichroite and its mixture.
54. according to the method described in last claim, wherein: described compound is trichroite.
55. 1 kinds of objects, are selected from suspension, shredder, for surface-treated equipment and heat exchanger, and described object comprises according to the powder of the particle described in claim 48.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1156592A FR2978143B1 (en) | 2011-07-20 | 2011-07-20 | SINTERED PARTICLE BASED ON ZIRCON. |
FR1156592 | 2011-07-20 | ||
FR1159185 | 2011-10-11 | ||
FR1159185 | 2011-10-11 | ||
PCT/IB2012/053593 WO2013011436A1 (en) | 2011-07-20 | 2012-07-13 | Sintered zircon particle |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103906723A true CN103906723A (en) | 2014-07-02 |
CN103906723B CN103906723B (en) | 2016-10-12 |
Family
ID=46832528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280045448.4A Active CN103906723B (en) | 2011-07-20 | 2012-07-13 | The zircon particle of sintering |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN103906723B (en) |
WO (1) | WO2013011436A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105837207A (en) * | 2016-03-24 | 2016-08-10 | 湖州华通研磨制造有限公司 | Zirconium-aluminum ceramic grinding stone and preparation method thereof |
CN105859256A (en) * | 2015-02-06 | 2016-08-17 | 研磨剂与耐火品研究与开发中心C.A.R.R.D.有限公司 | Sintered Shaped Abrasive Grains on Basis of Alumiunum Oxide Comprising Mineralogical Phases and a Method for Their Production |
CN107074661A (en) * | 2014-07-16 | 2017-08-18 | 马国都国际有限责任公司 | Ceramic particle and its manufacture method |
KR20200031631A (en) * | 2017-07-20 | 2020-03-24 | 생-고뱅 생트레 드 레체르체 에 데투드 유로삐엔 | Sintered zircon beads |
CN111607360A (en) * | 2020-06-02 | 2020-09-01 | 无锡晨旸科技股份有限公司 | Grinding material for large-diameter silicon wafer and production method thereof |
CN113929452A (en) * | 2020-06-29 | 2022-01-14 | 比亚迪股份有限公司 | Zirconia composite ceramic, preparation method thereof, shell assembly and electronic equipment |
CN115873410A (en) * | 2022-11-25 | 2023-03-31 | 武汉金保尔工贸有限公司 | Impregnated composite material for low-temperature-resistant and wear-resistant gloves and preparation method thereof |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1021335B1 (en) * | 2014-07-16 | 2015-11-03 | Magotteaux International S.A. | CERAMIC GRAINS AND PROCESS FOR THEIR PRODUCTION. |
FR3071248B1 (en) * | 2017-09-19 | 2020-09-25 | Saint Gobain Ct Recherches | CERAMIC FOAM |
KR102654991B1 (en) | 2020-12-29 | 2024-04-09 | 세인트-고바인 세라믹스 앤드 플라스틱스, 인크. | Fire-resistant objects and methods of formation |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3437499A (en) * | 1966-03-04 | 1969-04-08 | Emhart Corp | Glass contact refractory and method of making the same |
US20040007789A1 (en) * | 2002-07-12 | 2004-01-15 | Vlach Thomas J. | Method of forming ceramic beads |
CN101522589A (en) * | 2006-10-16 | 2009-09-02 | 圣戈班欧州设计研究中心 | Sintered and doped product based on zircon + Nb2O5 or Ta2O5 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4063856A (en) | 1975-02-21 | 1977-12-20 | Gte Sylvania Incorporated | Particulate product of self supporting spheres containing inorganic material and apparatus for producing same |
JPH06106087A (en) | 1992-09-29 | 1994-04-19 | Tosoh Corp | Ball made of zircon for pulverizing machine |
US5312571A (en) | 1993-01-07 | 1994-05-17 | Norton Company | Shaped bodies and the production thereof |
CN1061330C (en) * | 1996-12-23 | 2001-01-31 | 唐山南光燕山产业有限公司 | Wear resistant sintered zirconium boule composite and manufacture thereof |
FR2842438B1 (en) | 2002-07-22 | 2004-10-15 | Centre Nat Rech Scient | PROCESS FOR THE PREPARATION OF BALLS CONTAINING A CROSSLINKED MINERAL MATRIX |
KR20070096131A (en) | 2006-01-19 | 2007-10-02 | 주식회사 쎄노텍 | Method for manucturing of sintering zirconium-silicate bead and sintering zirconium-silicate bead |
US8074472B2 (en) | 2007-07-31 | 2011-12-13 | Zircoa Inc. | Grinding beads and method of producing the same |
CN101786867A (en) | 2010-03-08 | 2010-07-28 | 厦门大学 | Preparation method for zirconium silicate ball |
-
2012
- 2012-07-13 CN CN201280045448.4A patent/CN103906723B/en active Active
- 2012-07-13 WO PCT/IB2012/053593 patent/WO2013011436A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3437499A (en) * | 1966-03-04 | 1969-04-08 | Emhart Corp | Glass contact refractory and method of making the same |
US20040007789A1 (en) * | 2002-07-12 | 2004-01-15 | Vlach Thomas J. | Method of forming ceramic beads |
CN101522589A (en) * | 2006-10-16 | 2009-09-02 | 圣戈班欧州设计研究中心 | Sintered and doped product based on zircon + Nb2O5 or Ta2O5 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107074661A (en) * | 2014-07-16 | 2017-08-18 | 马国都国际有限责任公司 | Ceramic particle and its manufacture method |
CN105859256A (en) * | 2015-02-06 | 2016-08-17 | 研磨剂与耐火品研究与开发中心C.A.R.R.D.有限公司 | Sintered Shaped Abrasive Grains on Basis of Alumiunum Oxide Comprising Mineralogical Phases and a Method for Their Production |
CN105837207A (en) * | 2016-03-24 | 2016-08-10 | 湖州华通研磨制造有限公司 | Zirconium-aluminum ceramic grinding stone and preparation method thereof |
CN105837207B (en) * | 2016-03-24 | 2018-05-25 | 湖州华通研磨制造有限公司 | A kind of zirconium aluminium pottery grinding stone and preparation method thereof |
KR20200031631A (en) * | 2017-07-20 | 2020-03-24 | 생-고뱅 생트레 드 레체르체 에 데투드 유로삐엔 | Sintered zircon beads |
CN111094213A (en) * | 2017-07-20 | 2020-05-01 | 法商圣高拜欧洲实验及研究中心 | Sintered zircon beads |
CN111607360A (en) * | 2020-06-02 | 2020-09-01 | 无锡晨旸科技股份有限公司 | Grinding material for large-diameter silicon wafer and production method thereof |
CN113929452A (en) * | 2020-06-29 | 2022-01-14 | 比亚迪股份有限公司 | Zirconia composite ceramic, preparation method thereof, shell assembly and electronic equipment |
CN113929452B (en) * | 2020-06-29 | 2022-10-18 | 比亚迪股份有限公司 | Zirconia composite ceramic, preparation method thereof, shell assembly and electronic equipment |
CN115873410A (en) * | 2022-11-25 | 2023-03-31 | 武汉金保尔工贸有限公司 | Impregnated composite material for low-temperature-resistant and wear-resistant gloves and preparation method thereof |
CN115873410B (en) * | 2022-11-25 | 2023-09-15 | 武汉金保尔工贸有限公司 | Low-temperature-resistant and wear-resistant impregnating composite material for gloves and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN103906723B (en) | 2016-10-12 |
WO2013011436A1 (en) | 2013-01-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103906723A (en) | Sintered zircon particle | |
CN104684647B (en) | Sintered alumina particle | |
JP5653423B2 (en) | Sintered products based on alumina and zirconia | |
CN103013443B (en) | Alpha-alumina-based abrasive containing sheet-shaped structures, and preparation method thereof | |
KR101585249B1 (en) | Method for manufacturing boehmite particle and alumina particle | |
CN103068749B (en) | Chromium oxide fireproof material | |
CN103013442A (en) | Alpha-alumina-based abrasive and preparation method thereof | |
JP2019527288A5 (en) | ||
CN109715560B (en) | Spinel powder containing magnesium oxide and method for producing same | |
AU2006320278A1 (en) | Low thermal expansion foundry media | |
JPH09268050A (en) | Alumina-zirconia sintered material, its production and impact mill using the same | |
CN101573307B (en) | Particle of a molten ceramic material | |
US11472743B2 (en) | Sintered zircon beads | |
CN101903307A (en) | Fused ceramic product, Manufacturing approach and use | |
CN108706872A (en) | A kind of Wear-resistant glaze material | |
CN108751714A (en) | A kind of preparation method of wear-resisting glazed ceramic | |
CN109734427A (en) | A kind of carbide composite ceramic crystallite abrasive material and preparation method thereof | |
CN113614050A (en) | Sintered alumina-zirconia balls | |
CN108726881A (en) | A kind of preparation method of Wear-resistant glaze material | |
CN113716961B (en) | Rare earth tantalate RE prepared based on molten salt growth method 3 TaO 7 Spherical powder and preparation method thereof | |
JP6502495B2 (en) | Ceramic powder with controlled size distribution | |
CN118265683A (en) | Sintered zirconia beads | |
US20180297036A1 (en) | Bead made of a fused product | |
JP2023524381A (en) | sintered zirconia balls | |
CN103180265B (en) | Fused ceramic particle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |