CN1946653A - 钛酸铝镁结晶构造体及其制备方法 - Google Patents
钛酸铝镁结晶构造体及其制备方法 Download PDFInfo
- Publication number
- CN1946653A CN1946653A CNA2005800127478A CN200580012747A CN1946653A CN 1946653 A CN1946653 A CN 1946653A CN A2005800127478 A CNA2005800127478 A CN A2005800127478A CN 200580012747 A CN200580012747 A CN 200580012747A CN 1946653 A CN1946653 A CN 1946653A
- Authority
- CN
- China
- Prior art keywords
- magnesium titanate
- aluminum magnesium
- crystal structure
- compound
- atom
- 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
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 239000013078 crystal Substances 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 229910000505 Al2TiO5 Inorganic materials 0.000 title abstract 6
- 239000000203 mixture Substances 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 94
- 150000001875 compounds Chemical class 0.000 claims description 53
- 239000011777 magnesium Substances 0.000 claims description 42
- 229910052782 aluminium Inorganic materials 0.000 claims description 28
- 229910052710 silicon Inorganic materials 0.000 claims description 24
- 229910052749 magnesium Inorganic materials 0.000 claims description 20
- 239000002210 silicon-based material Substances 0.000 claims description 19
- 238000002360 preparation method Methods 0.000 claims description 16
- 239000000654 additive Substances 0.000 claims description 14
- 230000000996 additive effect Effects 0.000 claims description 13
- 239000004615 ingredient Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 238000007493 shaping process Methods 0.000 claims description 12
- 230000004083 survival effect Effects 0.000 claims description 12
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 10
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 10
- 238000002425 crystallisation Methods 0.000 claims description 9
- 230000008025 crystallization Effects 0.000 claims description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 8
- 239000011707 mineral Substances 0.000 claims description 8
- 239000007791 liquid phase Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 238000013001 point bending Methods 0.000 claims description 7
- 229910052655 plagioclase feldspar Inorganic materials 0.000 claims description 5
- 229910021536 Zeolite Inorganic materials 0.000 claims description 4
- 239000002734 clay mineral Substances 0.000 claims description 4
- 239000010433 feldspar Substances 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- 239000006104 solid solution Substances 0.000 abstract description 17
- 239000000126 substance Substances 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 238000005979 thermal decomposition reaction Methods 0.000 abstract 1
- 239000010936 titanium Substances 0.000 description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 12
- 239000004411 aluminium Substances 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 11
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 8
- 238000005245 sintering Methods 0.000 description 8
- 238000001354 calcination Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 229910052596 spinel Inorganic materials 0.000 description 6
- 239000011029 spinel Substances 0.000 description 6
- 229910010413 TiO 2 Inorganic materials 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 239000000395 magnesium oxide Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910020068 MgAl Inorganic materials 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 229910052650 alkali feldspar Inorganic materials 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000013530 defoamer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 238000001149 thermolysis Methods 0.000 description 4
- 239000005995 Aluminium silicate Substances 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 3
- 235000012211 aluminium silicate Nutrition 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910017121 AlSiO Inorganic materials 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- -1 aluminosilicate compound Chemical class 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- GLDUZMNCEGHSBP-UHFFFAOYSA-N 2-(2-octylphenoxy)ethanol Chemical compound CCCCCCCCC1=CC=CC=C1OCCO GLDUZMNCEGHSBP-UHFFFAOYSA-N 0.000 description 1
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000013098 chemical test method Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 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
- C04B35/46—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 titanium oxides or titanates
-
- 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
- C04B35/46—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 titanium oxides or titanates
- C04B35/462—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 titanium oxides or titanates based on titanates
- C04B35/465—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 titanium oxides or titanates based on titanates based on alkaline earth metal titanates
-
- 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
- C04B35/46—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 titanium oxides or titanates
- C04B35/462—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 titanium oxides or titanates based on titanates
- C04B35/478—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 titanium oxides or titanates based on titanates based on aluminium titanates
-
- 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
- C04B2235/34—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
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
-
- 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
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
-
- 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
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- 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
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
本发明提供耐热性及耐热冲击性良好、且具备高耐热分解性及高机械强度、即使在变化的高温下也可稳定地使用的钛酸铝镁结晶构造体及其制备方法。该钛酸铝镁结晶构造体的特征在于,由组成式:MgxAl2(1-x) Ti (1+x) O5表示的钛酸铝镁结晶的至少表面层中的Al原子的一部分被Si原子取代的固溶体形成,以20℃/分钟的升温速度在50~800℃的温度范围内加热时的热膨胀系数为-6×10-6 (1/K)~6×10-6 (1/K),且在1100℃的大气中保持了300小时的钛酸铝镁的残存率在50%以上,上式中,0.1≤x<1。
Description
技术领域
本发明涉及钛酸铝镁结晶构造体;更具体涉及具有高耐热性、极低的热膨胀性及高耐腐蚀性,即使在高温下也可稳定地持续使用,且具备高机械强度的钛酸铝镁结晶构造体及其制备方法。
背景技术
钛酸铝镁是跨越钛酸铝和钛酸镁的整个组成范围而生成的连续固溶体。其烧结体具有高耐热性、低热膨胀系数和良好的耐腐蚀性。钛酸铝镁例如为钛酸铝和钛酸镁以近等摩尔比固溶的烧结体时,其熔点约为1640℃。该熔点温度比钛酸铝的熔点约1870℃低,但高于钛酸镁的熔点1600℃。因此,钛酸铝镁的耐热高温极限不如钛酸铝,但优于钛酸镁。
另一方面,钛酸铝烧结体和钛酸镁烧结体的构成烧结体的晶粒都为假板钛矿(pseudobrookite)型结晶结构,具有热膨胀系数的各向异性。因此,存在随着加热、冷却在晶粒界面易产生由应力造成的偏移,出现微小的裂隙或空隙,导致机械强度易下降的缺点。由于钛酸铝镁也存在同样的缺点,因此钛酸铝镁烧结体的机械强度也不够充分。特别是用于高温下施加负荷的用途时,无法发挥足够的耐用性。
此外,钛酸铝的合成温度的下限为1280℃,钛酸镁的合成温度的下限为900℃,两者在低于合成温度范围的温度下都是不稳定的。作为它们的固溶体的钛酸铝镁与钛酸铝及钛酸镁同样,在低于合成温度范围的温度下也是不稳定的。因此,如果在分解温度范围内长时间地使用钛酸铝镁,则易热分解成TiO2(金红石型)和MgAl2O4(尖晶石型)。这里,钛酸铝镁的分解温度范围因钛酸铝和钛酸镁的固溶比例的不同而不同,通常为800~1280℃左右。例如,钛酸铝和钛酸镁以近等摩尔比固溶的钛酸铝镁烧结体如果在1100℃附近的温度范围内长时间连续使用,则热分解成TiO2(金红石型)和MgAl2O4(尖晶石型)(参照非专利文献1)。
因此,以往的钛酸铝镁烧结体无法在此分解温度范围内连续地使用,虽然该烧结体具备高耐热性、极低的热膨胀性和良好的耐腐蚀性,但由于在热分解性和机械强度方面的可靠性低,所以其使用受到限制。
非专利文献1:Journal of American Ceramic Society,1998,81[10]pp.2645-2653
发明的揭示
本发明是鉴于上述问题完成的发明,其目的是提供具备高耐热性、极低的热膨胀性及高耐腐蚀性,同时热分解性低,即使在高温下也可稳定地连续使用,且具备高机械强度的钛酸铝镁结晶构造体及其制备方法。
本发明者为了实现上述目的进行认真研究后发现,通过在组成式:MgxAl2(1-x)Ti(1+x)O5(式中,0.1≤x<1)表示的钛酸铝镁固溶体结晶中掺入具有特定温度范围的熔点的含硅化合物,优选铝硅酸盐化合物,由钛酸铝镁结晶中的Al原子的一部分被Si原子取代的固溶体形成的钛酸铝镁结晶构造体可实现上述目的,从而完成了本发明。
因此,本发明的钛酸铝镁结晶构造体及其制备方法具备下述技术特征。
(1)钛酸铝镁结晶构造体,该构造体的特征在于,由组成式:MgxAl2(1-x)Ti(1+x)O5(式中,0.1≤x<1)表示的钛酸铝镁结晶的至少表面层中的Al原子的一部分被Si原子取代的固溶体形成,以20℃/分钟的升温速度在50~800℃的温度范围内加热时的热膨胀系数为-6×10-6(1/K)~6×10-6(1/K),且在1100℃的大气中保持了300小时的钛酸铝镁的残存率在50%以上。
(2)上述(1)记载的钛酸铝镁结晶构造体,该构造体是Al原子的0.1~1摩尔%被Si原子取代了的固溶体。
(3)上述(1)或(2)记载的钛酸铝镁结晶构造体,根据JIS R1601测得的三点弯曲强度在25MPa以上。
(4)上述(1)记载的钛酸铝镁结晶构造体的制备方法,按照各自换算成氧化物计,在100质量份的以与组成式:MgxAl2(1-x)Ti(1+x)O5(式中,0.1≤x<1)表示的钛酸铝镁中的Mg、Al及Ti的金属成分比例同样的金属成分比例包含含Mg化合物、含Al化合物及含Ti化合物的混合物中,混入1~10质量份的具有700~1500℃的熔点的含硅化合物,形成原料混合物,然后在1200~1700℃对该混合物进行煅烧。
(5)上述(4)记载的制备方法,其中,使钛酸铝镁结晶在含硅化合物的液相下生成。
(6)上述(4)或(5)记载的制备方法,其中,在原料混合物中添加成形助剂,然后对成形后的成形体进行煅烧。
(7)上述(4)~(6)中任一项记载的制备方法,其中,在700~1000℃的温度范围内对原料混合物进行预煅烧,然后进行煅烧。
(8)上述(4)~(7)中任一项记载的制备方法,其中,含硅化合物为铝硅酸盐。
(9)上述(8)记载的制备方法,其中,铝硅酸盐为选自斜长石、拟长石(feldspathoids)、云母粘土矿物、沸石及堇青石的矿物。
如上所述,本发明能够提供具备原有的耐热性和极低的热膨胀系数,耐热冲击性良好,同时具备高耐热分解性和高机械强度的钛酸铝镁结晶构造体。对于本发明获得上述具有良好特性的钛酸铝镁结晶构造体的原理还不明确,大致推测有下述理由。
本发明中,在形成钛酸铝镁的混合物中掺入上述具有特定熔点的含硅化合物的情况下,由于处于液相状态的含硅化合物在700~1500℃熔解,所以钛酸铝镁的生成反应在液相下进行,这样形成了致密的结晶,机械强度得到提高。此外,含硅化合物中包含的Si成分取代了钛酸铝镁的晶格中的一部分Al,发生固溶,但钛酸铝结晶系要先于钛酸镁结晶系发生固溶。这是因为假板钛矿型结晶结构中,钛酸铝的构成结晶结构的八面体的变形较大,结晶的各向异性明显,所以其结晶结构的稳定性不如钛酸镁。
即,Si优先固溶于钛酸铝的晶格,主要占据Al的位置。此时,4价的Si不是单独地取代保持着原本3价的电荷平衡的Al的位置,而是与系内的2价Mg成对,Si和Mg两者总共为6价,取代邻接的2个Al(总共为6价)。因此,利用Si和Mg的同时存在,即使在高温下也可抑制各阳离子间的离子的扩散,形成稳定的结晶结构,这样可带来更理想的耐热分解性。
实施发明的最佳方式
本发明的钛酸铝镁结晶构造体由组成式:MgxAl2(1-x)Ti(1+x)O5表示的钛酸铝镁结晶的至少表面层中的Al原子的一部分被Si原子取代的固溶体形成。本发明中,只要钛酸铝镁结晶的至少表面层中的Al原子被Si原子取代即可,当然钛酸铝镁结晶的内部(深层部)的Al原子也可被取代。Si原子的取代最好是在固溶极限范围内尽可能的多。此外,x值为0.1≤x<1,特好为0.25≤x≤0.75。较好的是钛酸铝镁结晶中的Al原子的0.1~1摩尔%被Si原子取代的固溶体,特好的是Al原子的0.2~0.7摩尔%被Si原子取代的固溶体,最好是Al原子的0.25~0.45摩尔%被Si原子取代的固溶体。该比例小于0.1摩尔%时,Si原子的固溶所带来的结晶稳定化的效果不充分,无法获得较高的耐热分解性。另一方面,大于1摩尔%时,由于超过了Si对结晶的固溶极限,所以会有杂质相析出,不仅不利于抑制热分解,还会导致热膨胀系数的增大。
由Si原子取代的固溶体形成的本发明的结晶构造体的以20℃/分钟的升温速度在50~800℃的温度范围内加热时的热膨胀系数为-6×10-6(1/K)~6×10-6(1/K),甚至是具有-3×10-6(1/K)~3×10-6(1/K)这样的极小的热膨胀性。其结果是,其耐热冲击性极大,非常理想。
此外,本发明的钛酸铝镁结晶构造体的特征在于耐热分解性高,即,即使在高温下也可稳定地持续使用。其所显现出的耐热分解性为在1100℃的大气中保持了300小时的钛酸铝镁的残存率在50%以上,更好是75%以上,最好为90%以上。而作为对照,如后述的比较例所示,以往的钛酸铝镁最高仅有35%左右的残存率。因此,本发明的钛酸铝镁结晶构造体提供了可在包含上述800~1280℃的分解性温度范围的高温范围内长期稳定地使用的可靠性高的材料。
此外,本发明的钛酸铝镁结晶构造体的特征在于,其机械强度良好。因此,作为机械强度的代表指标的JIS R1601的三点弯曲强度在25MPa以上,更好是30MPa以上,最好是40MPa以上。而作为对照,如后述的比较例所示,以往的钛酸铝镁最高仅有10MPa左右的强度。因此,本发明的钛酸铝镁结晶构造体提供了能够在以往的钛酸铝镁无法使用的要求高机械强度的领域使用的材料。
本发明的钛酸铝镁结晶构造体通过以下方法制得。即,按照各自换算成氧化物计,在100质量份的以与组成式:MgxAl2(1-x)Ti(1+x)O5(式中,0.1≤x<1)表示的钛酸铝镁中的Mg、Al及Ti的金属成分比例同样的金属成分比例包含含Mg化合物、含Al化合物及含Ti化合物的混合物中,混入1~10质量份的具有700~1500℃的熔点的含硅化合物,形成原料混合物,然后在1200~1700℃对该混合物进行煅烧。
以上所用的含Mg化合物、含Al化合物及含Ti化合物只要是通过煅烧可合成钛酸铝镁的成分即可,无特别限定。含Mg化合物、含Al化合物及含Ti化合物可以不是各自单独的化合物,可以是含2种以上的金属成分的化合物。这些化合物可从通常作为氧化铝陶瓷、二氧化钛陶瓷、氧化镁陶瓷、钛酸铝陶瓷、钛酸镁陶瓷、尖晶石陶瓷、钛酸铝镁陶瓷等各种陶瓷的原料使用的化合物中适当选择。作为该化合物的具体例,可例示Al2O3、TiO2、MgO等氧化物,MgAl2O4、Al2TiO5、含Mg和Ti的各尖晶石型结构体等含2种以上的金属成分的复合氧化物,含选自Al、Ti及Mg的1种或2种以上的金属成分的化合物(碳酸盐、硝酸盐、硫酸盐等)。
含Mg化合物、含Al化合物及含Ti化合物的混合比例应使这些化合物所包含的金属成分的比例与上述组成式:MgxAl2(1-x)Ti(1+x)O5表示的钛酸铝镁中的Mg、Al及Ti的金属成分比例同样,最好实质上为同一比例。以该比例混合上述各化合物使用,可获得具有与作为原料使用的混合物中的金属成分比例同样的金属成分比例的钛酸铝镁。
制备本发明的钛酸铝镁结晶构造体时,在上述包含含Mg化合物、含Al化合物及含Ti化合物的混合物中混入具有700~1500℃的熔点的含硅化合物。所用含硅化合物的熔点很重要,熔点如果低于700℃,则被预烧结前添加剂会熔融,所以成形体中不会形成具备足够强度的结晶构造体。相反地,如果大于1500℃时,则钛酸铝镁的生成反应后的添加剂的熔融导致生成反应无法在液相下进行,所以Si原子的固溶变得困难,无法实现本发明的目的。例如,使用了熔点为1723℃的SiO2的情况下,不能够确认在所得结晶构造体的内部有Si离子存在,而是在晶粒的周围以SiO2的形态单独析出。含硅化合物的熔点更好为900~1300℃,特好为1000~1200℃。
作为上述含硅化合物,较好为铝硅酸盐。该铝硅酸盐可以是天然矿石或合成物中的任一种,从易获得和成本方面考虑,特好为铝硅酸盐矿物。作为铝硅酸盐矿物,可例示斜长石、拟长石、碱性长石、云母粘土矿物、沸石、堇青石等各种矿物。其中,碱性长石、斜长石和拟长石的熔点低,特别有利于促进钛酸铝镁的烧结。
上述含硅化合物的用量和钛酸铝镁结晶中的Al原子被Si原子取代的比例有关,相对于含Mg化合物、含Al化合物及含Ti化合物的各化合物换算为氧化物的合计值100质量份,为1~10质量份,较好为3~5质量份。将这种情况下的混合物作为氧化物换算的合计量是指进行了用于除去包含于上述混合物中的水分和有机物的加热处理后并进行了预烧结的情况下的预烧结后的正式烧结前的重量。
本发明中,可根据需要在加入了含Mg化合物、含Al化合物及含Ti化合物、含硅化合物的原料混合物中加入其它的添加剂,这样可改善所得结晶构造体的性质。作为其它的添加剂,可例举例如SiO2、ZrO2、Fe2O3、MgO、Al2O3、TiO2、CaO、Y2O3等氧化物或含Mg的尖晶石型结构的氧化物等。100质量份上述混合物中的上述1种或2种以上的添加剂的添加量较好在15质量份以下。
上述包含含Mg化合物、含Al化合物及含Yi化合物、含硅化合物的原料混合物被充分地混合、粉碎。对混合物的混合、粉碎无特别限定,可按照已知的方法实施。例如,采用球磨机、介质搅拌机等实施。对上述原料混合物的粉碎程度无特别限定,平均粒径较好为30μm以下,特好为8~15μm以下。最好在不会形成二次粒子的范围内尽可能的小。
上述混合物也可直接煅烧,但最好是预先形成为最终使用形态的成形体后进行煅烧。成形时,最好在上述混合物中掺入成形助剂。作为成形助剂,可使用粘合剂、脱模剂、消泡剂及散凝剂等公知试剂。作为粘合剂,较好为聚乙烯醇、微晶蜡乳液、甲基纤维素、羧甲基纤维素等。作为脱模剂,较好为硬脂酸乳液等,作为消泡剂,较好为正辛醇、辛基苯氧基乙醇等,作为散凝剂,较好为二乙胺、三乙胺等。
对成形助剂的用量无特别限定,本发明中,相对于作为原料使用的含Mg化合物、含Al化合物及含Ti化合物的各化合物换算为氧化物的合计量100质量份,各成形助剂均以固形物换算的用量范围如下所述。即,粘合剂较好为0.2~0.6质量份左右,脱模剂较好为0.2~0.7质量份左右,消泡剂较好为0.5~1.5质量份左右,散凝剂较好为0.5~1.5质量份左右。加入了上述成形助剂的原料混合物被混合、混炼、成形。作为成形方法,可使用加压成形、片材成形、浇铸成形、挤出成形、注射成形、CIP成形等。
煅烧最好是在干燥后于1200~1700℃,较好为1300~1500℃实施。对煅烧的气氛无特别限定,最好是常用的空气中等含氧气氛。煅烧时间只要可确保烧结充分进行即可,通常为1~20小时左右。
对煅烧时的升温速度或降温速度无特别限定,可适当设定所得烧结体中不会有裂隙等的条件。例如,为了充分除去上述混合物中所含的水分和粘合剂等成形助剂,最好不是急剧地升温而是缓慢地升温。在加热至上述煅烧温度前,可根据需要较好是在700~1000℃左右的温度范围内通过10~30小时左右的平稳的升温实施预烧结,这样可缓解钛酸铝镁形成时导致裂隙产生的烧结体内的应力,抑制烧结体中的裂隙的产生,易获得均一的烧结体。
如上所述,以上获得的本发明的烧结体兼具良好的耐热性和低热膨胀系数,且结晶结构趋于稳定化,因此可形成具备良好的耐热分解性和高机械强度的结晶构造体。
实施例
以下,通过实施例具体说明本发明,但毫无疑问本发明并不仅限定于此。
实施例1~5
在100质量份由易烧结α型氧化铝26.7质量%(20摩尔%)、锐钛矿型二氧化钛62.8质量%(60摩尔%)及作为天然矿物存在的方镁石型氧化镁10.5质量%(20摩尔%)形成的混合物中,按照表1所示的Si原子的固溶率(取代率)添加1~10质量份化学式:(Na0.6K0.4)AlSi3O8表示的碱性长石,再分别添加0.25质量份作为粘合剂的聚乙烯醇、1质量份作为散凝剂的二乙胺和0.5质量份作为消泡剂的聚丙二醇。然后,用球磨机混合3小时,再用120℃的干燥机干燥12小时以上,获得原料粉末。
将所得原料粉末粉碎成150筛目左右,以60MPa的成形压加压,获得100mm×100mm×10mm的成形体。
按照下述的加热程序在大气中对该成形体进行煅烧后,放冷,获得钛酸铝镁烧结体。
(加热程序)
室温~140℃21小时
于140℃保持14小时
140~216℃21小时
216~295℃16小时
295~379℃46小时
379~458℃20小时
458~700℃28小时
于700℃保持3小时
700~1000℃26小时
1000~1400℃3小时
于1400℃保持4小时
比较例1
除了未添加碱性长石以外,其它与上述实施例1~5同样地实施,获得钛酸铝镁烧结体。
研磨以上获得的实施例1~5的烧结体的结晶构造体,将经过研磨的结晶构造体作为检体,用TEM(透射电子显微镜)对它们进行观察,并对它们进行EDX元素分析,其结果是,在实施例1~5的晶粒的内部可见固溶的Si离子的存在。此外,采用NMR(核磁共振装置)对实施例1~5的结晶构造体进行29Si的光谱解析后发现,Si原子在结晶构造体中以6配位存在,这表示Si原子以4配位存在的含硅化合物通过在液相下的反应而固溶取代了Al原子(6配位)。
此外,分别对实施例1~5的烧结体和比较例1的结晶构造体进行XRD测定,由此求得钛酸铝镁结晶的衍射峰。实施例1~5的衍射峰与比较例1的相比,向低角度侧位移,由各自位移的移动量求出Si原子对结晶的固溶率(取代率)。
另外,按照JIS R1618,分别从实施例1~5的烧结体和比较例1的烧结体切出5mm×5mm×20mm的试样,进行表面研磨后,基于在20℃/分钟的升温条件下从50℃加热至800℃时的长边方向的膨胀量求得热膨胀系数。结果示于表1。
此外,分别从实施例1~5的烧结体和比较例1的结晶构造体切出10mm×10mm×10mm的试样,将其保持于1100℃的大气中,求出经过300小时后的钛酸铝镁的残存率α(%),示于表1。
另外,通过以下的方法,利用XRD求得钛酸铝镁的残存率。
首先,由于在钛酸铝镁热分解时生成TiO2(金红石)和MgAl2O4(尖晶石),所以用金红石的(110)面的衍射峰的积分强度(ITiO2(110))和钛酸铝镁的(023)面的衍射峰的积分强度(IMAT(023))由下式求出钛酸铝镁相对于金红石的强度比R。
R=IMAT(023)/{IMAT(023)+ITiO2(110)}
此外,对于进行1100℃的热处理前的烧结体,采用同样的方法求出钛酸铝镁相对于金红石的强度比R0。
然后,采用通过上述方法求得的R和R0,由下式求出钛酸铝镁的残存率α(%)。
α=(R/R0)×100
接着,分别从上述实施例1~5和比较例1的烧结体切出3mm×4mm×40mm的试样,进行表面研磨,并磨出棱角。按照JIS R1601测定三点弯曲强度,结果分别示于表1。
表1
固溶于结晶中的Si原子的比例(摩尔%) | 热膨胀系数×10-5(1/K) | 比重 | 残存率α(%) | 三点弯曲强度(±标准偏差)MPa | |
实施例1 | 0.1 | 0.8 | 3.27 | 90.9 | 32.8(±0.6) |
实施例2 | 0.3 | 1.1 | 3.35 | 100 | 48.2(±1.7) |
实施例3 | 0.4 | 1.2 | 3.35 | 95.4 | 46.4(±1.9) |
实施例4 | 0.6 | 1.7 | 3.41 | 97.8 | 49.8(±1.2) |
实施例5 | 1.0 | 1.9 | 3.46 | 96.7 | 51.0(±1.6) |
比较例1 | 0 | 0.9 | 3.23 | 34.8 | 9.6(±0.6) |
如表1的结果所示,钛酸铝镁结晶中的Al原子的一部分被Si原子取代了的固溶体维持了低膨胀特性,同时与比较例1相比,钛酸铝镁结晶的残存率高。另外,实施例1~5的结晶构造体与比较例1相比,具备非常好的机械强度。
实施例6~10
在100质量份由易烧结α型氧化铝26.7质量%(20摩尔%)、锐钛矿型二氧化钛62.8质量%(60摩尔%)及作为天然矿物存在的方镁石型氧化镁10.5质量%(20摩尔%)形成的混合物中,添加换算成SiO2为1质量份的具有表2所示的化学式和熔点的铝硅酸盐矿物。
除此以外,与上述实施例1~5同样实施获得钛酸铝镁烧结体。对于所得烧结体,与实施例1~5同样地切出试样,测定热膨胀系数、钛酸铝镁的残存率α(%)及三点弯曲强度。其结果示于表3。
表2
添加物 | 化学式 | 熔点 | |
实施例6 | 斜长石 | (Na0.8Ca0.6)Al2Si2O8 | 1100℃ |
实施例7 | 拟长石 | (K0.6Ba0.2)AlSiO4 | 1170℃ |
实施例8 | 云母粘土矿物 | K3/4Al7/4(FeMg)1/4(OH)2Al1/2Si7/2O10 | 1320℃ |
实施例9 | 沸石 | (Na0.2Ca0.6K0.3)AlSiO4 | 1350℃ |
实施例10 | 堇青石 | Mg2Al4Si5O18 | 1450℃ |
表3
固溶于结晶中的Si原子的比例(摩尔%) | 热膨胀系数×10-6(1/K) | 比重 | 残存率α(%) | 三点弯曲强度(±标准偏差)MPa | |
实施例6 | 0.3 | 0.8 | 3.32 | 84.9 | 50.1(±0.4) |
实施例7 | 0.3 | 0.9 | 3.35 | 91.3 | 46.6(±1.1) |
实施例8 | 0.3 | 0.9 | 3.35 | 87.6 | 48.6(±1.4) |
实施例9 | 0.3 | 1.1 | 3.31 | 82.1 | 39.8(±0.9) |
实施例10 | 0.3 | 1.0 | 3.30 | 90.3 | 41.4(±0.7) |
比较例1 | 0 | 0.9 | 3.23 | 34.8 | 9.6(±0.6) |
如表3可明显看出,利用在生成钛酸铝镁结晶的温度下熔解的含Si化合物进行液相烧结而得的实施例6~10的钛酸铝镁结晶构造体与比较例1相比,具有较低的热膨胀性,且钛酸铝镁结晶的残存率α(%)高,并具备高机械强度。
产业上利用的可能性
本发明提供了具备良好的耐热性、极低的热膨胀性及良好的耐热冲击性,同时具备高耐热分解性和高机械强度的钛酸铝镁结晶构造体。该结晶构造体适用于坩埚、定位器、钢盆、炉材等煅烧炉用具,柴油机、汽油发动机等的排气净化用滤器及催化剂载体,发电装置的零部件,基板、电容器等电子零部件等广泛领域。
Claims (9)
1.钛酸铝镁结晶构造体,其特征在于,由组成式:MgxAl2(1-x)Ti(1+x)O5表示的钛酸铝镁结晶的至少表面层中的Al原子的一部分被Si原子取代的固溶体形成,以20℃/分钟的升温速度在50~800℃的温度范围内加热时的热膨胀系数为-6×10-6(1/K)~6×10-6(1/K),且在1100℃的大气中保持了300小时的钛酸铝镁的残存率在50%以上,上式中,0.1≤x<1。
2.如权利要求1所述的钛酸铝镁结晶构造体,其特征在于,该构造体为Al原子的0.1~1摩尔%被Si原子取代了的固溶体。
3.如权利要求1或2所述的钛酸铝镁结晶构造体,其特征在于,根据JISR1601测得的三点弯曲强度在25MPa以上。
4.权利要求1所述的钛酸铝镁结晶构造体的制备方法,其特征在于,按照各自换算成氧化物计,在100质量份的以与组成式:MgxAl2(1-x)Ti(1+x)O5表示的钛酸铝镁中的Mg、Al及Ti的金属成分比例同样的金属成分比例包含含Mg化合物、含Al化合物及含Ti化合物的混合物中,混入1~10质量份的具有700~1500℃的熔点的含硅化合物,形成原料混合物,然后在1200~1700℃对该混合物进行煅烧,上式中,0.1≤x<1。
5.如权利要求4所述的制备方法,其特征在于,使钛酸铝镁结晶在含硅化合物的液相下生成。
6.如权利要求4或5所述的制备方法,其特征在于,在原料混合物中添加成形助剂,然后对成形后的成形体进行煅烧。
7.如权利要求4~6中任一项所述的制备方法,其特征在于,在700~1000℃的温度范围内对原料混合物进行预煅烧,然后进行煅烧。
8.如权利要求4~7中任一项所述的制备方法,其特征在于,含硅化合物为铝硅酸盐。
9.如权利要求8所述的制备方法,其特征在于,铝硅酸盐为选自斜长石、拟长石、云母粘土矿物、沸石及堇青石的矿物。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004134662 | 2004-04-28 | ||
JP134662/2004 | 2004-04-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1946653A true CN1946653A (zh) | 2007-04-11 |
CN100447105C CN100447105C (zh) | 2008-12-31 |
Family
ID=35241592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005800127478A Expired - Fee Related CN100447105C (zh) | 2004-04-28 | 2005-04-28 | 钛酸铝镁结晶构造体及其制备方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US8557216B2 (zh) |
EP (1) | EP1741684B1 (zh) |
JP (1) | JP5230935B2 (zh) |
KR (1) | KR101158383B1 (zh) |
CN (1) | CN100447105C (zh) |
CA (1) | CA2563600A1 (zh) |
WO (1) | WO2005105704A1 (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101910065A (zh) * | 2008-01-09 | 2010-12-08 | 住友化学株式会社 | 钛酸铝系陶瓷的制备方法 |
CN102333741A (zh) * | 2009-02-25 | 2012-01-25 | 住友化学株式会社 | 钛酸铝系陶瓷烧结体的制造方法及钛酸铝系陶瓷烧结体 |
CN102378746A (zh) * | 2009-03-30 | 2012-03-14 | 住友化学株式会社 | 钛酸铝系陶瓷体的制造方法 |
CN102378745A (zh) * | 2009-03-30 | 2012-03-14 | 住友化学株式会社 | 钛酸铝系陶瓷体的制造方法 |
CN102471163A (zh) * | 2009-07-16 | 2012-05-23 | 住友化学株式会社 | 钛酸铝系煅烧体的制造方法 |
CN102482159A (zh) * | 2009-09-03 | 2012-05-30 | 住友化学株式会社 | 钛酸铝系煅烧体的制造方法及钛酸铝系煅烧体 |
CN114127014A (zh) * | 2019-07-12 | 2022-03-01 | 住友化学株式会社 | 粉体及固体组合物 |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006327842A (ja) * | 2005-05-23 | 2006-12-07 | Ohcera Co Ltd | マイクロ波焼成炉用の耐火断熱材 |
US10501375B2 (en) | 2006-06-30 | 2019-12-10 | Corning Incorporated | Cordierite aluminum magnesium titanate compositions and ceramic articles comprising same |
US8956436B2 (en) | 2006-06-30 | 2015-02-17 | Corning Incorporated | Cordierite aluminum magnesium titanate compositions and ceramic articles comprising same |
US8394167B2 (en) | 2006-06-30 | 2013-03-12 | Corning Incorporated | Cordierite aluminum magnesium titanate compositions and ceramic articles comprising same |
JP5142650B2 (ja) * | 2007-09-27 | 2013-02-13 | 京セラ株式会社 | 耐熱性セラミック部材およびフィルタ |
PL2221287T3 (pl) | 2007-11-14 | 2015-12-31 | Hitachi Metals Ltd | Ceramiczna struktura typu plastra miodu, oparta na tytanianie glinu, sposób jej wytwarzania i sproszkowany materiał wyjściowy do jej wytwarzania |
JP2010100510A (ja) * | 2008-01-07 | 2010-05-06 | Sumitomo Chemical Co Ltd | チタン酸アルミニウムセラミックスの製造方法 |
US8383534B2 (en) * | 2008-01-21 | 2013-02-26 | Sumitomo Chemical Company, Limited | Process for producing aluminum magnesium titanate |
WO2009093560A1 (ja) * | 2008-01-21 | 2009-07-30 | Sumitomo Chemical Company, Limited | チタン酸アルミニウムマグネシウム-アルミナ複合セラミックス |
EP2266932B8 (en) * | 2008-03-26 | 2013-09-11 | Kyocera Corporation | Porous ceramic member and filter |
KR20110020235A (ko) * | 2008-06-18 | 2011-03-02 | 스미또모 가가꾸 가부시끼가이샤 | 티탄산알루미늄계 세라믹스의 제조 방법 |
JP2010013293A (ja) * | 2008-06-30 | 2010-01-21 | Sumitomo Chemical Co Ltd | チタン酸アルミニウム系セラミックス粉末の製造方法 |
FR2933400B1 (fr) * | 2008-07-04 | 2010-08-20 | Saint Gobain Ct Recherches | Grains fondus d'oxydes comprenant al, ti, mg et zr et produits ceramiques comportant de tels grains |
FR2933399B1 (fr) * | 2008-07-04 | 2011-02-18 | Saint Gobain Ct Recherches | Melange de grains pour la synthese d'une structure poreuse du type titanate d'alumine |
FR2933401B1 (fr) * | 2008-07-04 | 2010-07-30 | Saint Gobain Ct Recherches | Structure poreuse du type titanate d'alumine |
EP2322492A4 (en) | 2008-09-04 | 2011-10-05 | Sumitomo Chemical Co | PROCESS FOR PRODUCING CERAMIC BASED ON ALUMINUM TITANATE |
JP5294057B2 (ja) * | 2008-10-02 | 2013-09-18 | 日立金属株式会社 | チタン酸アルミニウム質セラミックハニカム構造体の製造方法 |
JP4774564B2 (ja) * | 2008-10-07 | 2011-09-14 | 住友化学株式会社 | チタン酸アルミニウム系セラミックス粉末の製造方法 |
JP2010132527A (ja) * | 2008-11-07 | 2010-06-17 | Sumitomo Chemical Co Ltd | チタン酸アルミニウム系セラミックスの製造方法 |
JP5133207B2 (ja) * | 2008-11-08 | 2013-01-30 | 住友化学株式会社 | チタン酸アルミニウム系セラミックスの製造方法 |
JP5133208B2 (ja) * | 2008-11-08 | 2013-01-30 | 住友化学株式会社 | チタン酸アルミニウム系セラミックスの製造方法 |
JP2010116289A (ja) * | 2008-11-12 | 2010-05-27 | Sumitomo Chemical Co Ltd | チタン酸アルミニウム系セラミックスの製造方法 |
JP4844770B2 (ja) | 2008-12-11 | 2011-12-28 | 住友化学株式会社 | チタン酸アルミニウム系焼成体の製造方法 |
JP2012513555A (ja) | 2008-12-23 | 2012-06-14 | サン−ゴバン サントル ドゥ ルシェルシェ エ デトゥードゥ ユーロペン | 異なる填塞材料を備える入口面および出口面を有する濾過構造 |
JP5144490B2 (ja) * | 2008-12-24 | 2013-02-13 | 住友化学株式会社 | チタン酸アルミニウム系セラミックスの製造方法およびチタン酸アルミニウム系セラミックス |
JP5368081B2 (ja) * | 2008-12-25 | 2013-12-18 | 住友化学株式会社 | チタン酸アルミニウム系焼成体の製造方法 |
CN102272073A (zh) | 2009-01-07 | 2011-12-07 | 住友化学株式会社 | 多孔陶瓷成形体及其制造方法 |
JP5528717B2 (ja) * | 2009-01-07 | 2014-06-25 | 住友化学株式会社 | チタン酸アルミニウム系焼成体の製造方法および多孔質セラミックス成形体 |
JP5535505B2 (ja) * | 2009-03-19 | 2014-07-02 | 住友化学株式会社 | 多孔質セラミックス成形体の製造方法および多孔質セラミックス成形体 |
JP2010215486A (ja) * | 2009-02-17 | 2010-09-30 | Sumitomo Chemical Co Ltd | チタン酸アルミニウム系焼成体の製造方法 |
JP2010215488A (ja) | 2009-02-17 | 2010-09-30 | Sumitomo Chemical Co Ltd | チタン酸アルミニウム系セラミックス |
JP2010235333A (ja) * | 2009-03-30 | 2010-10-21 | Sumitomo Chemical Co Ltd | チタン酸アルミニウム系セラミックス焼結体の製造方法およびチタン酸アルミニウム系セラミックス焼結体 |
JP5537827B2 (ja) * | 2009-03-31 | 2014-07-02 | 住友化学株式会社 | チタン酸アルミニウム系セラミックスの製造方法およびチタン酸アルミニウム系セラミックス |
JP2011140210A (ja) * | 2009-06-24 | 2011-07-21 | Sumitomo Chemical Co Ltd | 成形体およびその製造方法、並びに触媒およびその製造方法 |
JP2011037669A (ja) | 2009-08-12 | 2011-02-24 | Sumitomo Chemical Co Ltd | チタン酸アルミニウム系セラミックスの製造方法およびチタン酸アルミニウム系セラミックス |
JP2011068517A (ja) | 2009-09-25 | 2011-04-07 | Sumitomo Chemical Co Ltd | セラミックス焼成体の製造方法 |
JP4769978B2 (ja) | 2009-10-01 | 2011-09-07 | 住友化学株式会社 | チタン酸アルミニウム系セラミックス焼成体の製造方法 |
JP2011153066A (ja) | 2009-12-28 | 2011-08-11 | Sumitomo Chemical Co Ltd | チタン酸アルミニウム系セラミックスの製造方法 |
CN102781872A (zh) | 2010-03-08 | 2012-11-14 | 住友化学株式会社 | 成型坯体、和钛酸铝煅烧体的制造方法 |
BR112012022551A2 (pt) | 2010-03-08 | 2016-08-30 | Sumitomo Chemical Co | método para a produção de titanato de alumínio e magnésio poroso e titanato de alumínio e magnésio poroso |
US8859447B2 (en) | 2010-03-26 | 2014-10-14 | Otsuka Chemical Co., Ltd. | Columnar aluminum titanate and method for producing same |
CN102336566A (zh) * | 2010-07-28 | 2012-02-01 | 鸿富锦精密工业(深圳)有限公司 | 复合靶材及其制备方法 |
JP5879046B2 (ja) * | 2011-04-26 | 2016-03-08 | 住友化学株式会社 | チタン酸アルミニウム質ハニカム構造体 |
JP5391246B2 (ja) * | 2011-08-24 | 2014-01-15 | 住友化学株式会社 | チタン酸アルミニウム系焼成体の製造方法 |
CN102515267B (zh) * | 2011-11-03 | 2014-03-05 | 攀枝花鼎星钛业有限公司 | 高电阻率钛白粉的生产方法 |
US10526249B2 (en) | 2012-11-30 | 2020-01-07 | Corning Incorporated | Cordierite aluminum magnesium titanate compositions and ceramic articles comprising same |
US9079799B2 (en) | 2012-11-30 | 2015-07-14 | Corning Incorporated | Cordierite aluminum magnesium titanate compositions and ceramic articles comprising same |
BR112015015372A2 (pt) * | 2012-12-27 | 2017-07-11 | Sumitomo Chemical Co | filtro do tipo colmeia e método de produção do mesmo, e cerâmica à base de titanato de alumínio e produção da mesma |
JP7249581B2 (ja) * | 2018-05-09 | 2023-03-31 | パナソニックIpマネジメント株式会社 | 固体電解質およびそれを用いたマグネシウム二次電池 |
CN112174690A (zh) * | 2020-10-12 | 2021-01-05 | 南京理工大学 | 一种利用木棉纤维制备中空钛酸铝纤维的方法 |
CN112552711B (zh) * | 2020-12-25 | 2022-03-22 | 江苏特丰新材料科技有限公司 | 一种近红外高反射率钛系白色颜料钛酸铝镁的制备工艺 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4483944A (en) | 1983-07-27 | 1984-11-20 | Corning Glass Works | Aluminum titanate-mullite ceramic articles |
CN1156412C (zh) * | 2000-07-13 | 2004-07-07 | 胡勇波 | 复合材料蜂窝陶瓷及其制造方法 |
JP3600933B2 (ja) | 2000-11-08 | 2004-12-15 | オーセラ株式会社 | チタン酸アルミニウム系焼結体の製造方法 |
JP3489030B1 (ja) * | 2002-04-26 | 2004-01-19 | 勉 福田 | チタン酸アルミニウム系焼結体の製造方法 |
USRE42352E1 (en) * | 2002-11-01 | 2011-05-10 | Ohcera Co., Ltd. | Method for producing aluminum magnesium titanate sintered product |
PL1645319T3 (pl) * | 2003-07-11 | 2013-12-31 | Ohcera Co Ltd | Filtr o strukturze plastra miodu do oczyszczania gazów wydechowych i sposób jego wytwarzania |
EP1652830A4 (en) * | 2003-07-29 | 2007-05-23 | Ohcera Co Ltd | A BEING NEST SUPPORT FOR EXHAUST GAS PURIFYING CATALYST AND PROCESS FOR PRODUCING THE SAME |
-
2005
- 2005-04-28 EP EP05737257.5A patent/EP1741684B1/en not_active Not-in-force
- 2005-04-28 WO PCT/JP2005/008226 patent/WO2005105704A1/ja not_active Application Discontinuation
- 2005-04-28 JP JP2006512851A patent/JP5230935B2/ja not_active Expired - Fee Related
- 2005-04-28 CN CNB2005800127478A patent/CN100447105C/zh not_active Expired - Fee Related
- 2005-04-28 CA CA002563600A patent/CA2563600A1/en not_active Abandoned
- 2005-04-28 KR KR1020067018839A patent/KR101158383B1/ko active IP Right Grant
- 2005-04-28 US US11/587,991 patent/US8557216B2/en not_active Expired - Fee Related
-
2013
- 2013-08-28 US US14/012,371 patent/US20130345043A1/en not_active Abandoned
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101910065A (zh) * | 2008-01-09 | 2010-12-08 | 住友化学株式会社 | 钛酸铝系陶瓷的制备方法 |
CN102333741A (zh) * | 2009-02-25 | 2012-01-25 | 住友化学株式会社 | 钛酸铝系陶瓷烧结体的制造方法及钛酸铝系陶瓷烧结体 |
CN102378746A (zh) * | 2009-03-30 | 2012-03-14 | 住友化学株式会社 | 钛酸铝系陶瓷体的制造方法 |
CN102378745A (zh) * | 2009-03-30 | 2012-03-14 | 住友化学株式会社 | 钛酸铝系陶瓷体的制造方法 |
US8673044B2 (en) | 2009-03-30 | 2014-03-18 | Sumitomo Chemical Company, Limited | Process for producing aluminum titanate-based ceramics body |
CN102471163A (zh) * | 2009-07-16 | 2012-05-23 | 住友化学株式会社 | 钛酸铝系煅烧体的制造方法 |
CN102482159A (zh) * | 2009-09-03 | 2012-05-30 | 住友化学株式会社 | 钛酸铝系煅烧体的制造方法及钛酸铝系煅烧体 |
CN114127014A (zh) * | 2019-07-12 | 2022-03-01 | 住友化学株式会社 | 粉体及固体组合物 |
CN114127014B (zh) * | 2019-07-12 | 2023-09-01 | 住友化学株式会社 | 粉体及固体组合物 |
Also Published As
Publication number | Publication date |
---|---|
EP1741684A4 (en) | 2009-08-19 |
JPWO2005105704A1 (ja) | 2008-03-13 |
KR20070012365A (ko) | 2007-01-25 |
JP5230935B2 (ja) | 2013-07-10 |
CA2563600A1 (en) | 2005-11-10 |
EP1741684A1 (en) | 2007-01-10 |
WO2005105704A1 (ja) | 2005-11-10 |
EP1741684B1 (en) | 2018-11-07 |
CN100447105C (zh) | 2008-12-31 |
US8557216B2 (en) | 2013-10-15 |
US20130345043A1 (en) | 2013-12-26 |
KR101158383B1 (ko) | 2012-06-22 |
US20070224110A1 (en) | 2007-09-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1946653A (zh) | 钛酸铝镁结晶构造体及其制备方法 | |
CN1280235C (zh) | 制备钛酸铝烧结体的原料组合物及制备钛酸铝烧结体的方法 | |
JP4903821B2 (ja) | チタン酸アルミニウムマグネシウム−アルミナ複合セラミックス | |
CN1708462A (zh) | 制备钛酸铝镁烧结体的方法 | |
CN102596850B (zh) | 莫来石陶瓷及其制造方法 | |
CN1069610C (zh) | 高强度高抗热震性陶瓷素坯的制备方法 | |
CN102548934A (zh) | 钛酸铝系陶瓷煅烧体的制造方法 | |
KR20110020235A (ko) | 티탄산알루미늄계 세라믹스의 제조 방법 | |
CN1956936A (zh) | 陶瓷坯土、陶瓷成型体、陶瓷结构体以及它们的制备方法 | |
CN102471165A (zh) | 钛酸铝系陶瓷的制造方法和钛酸铝系陶瓷 | |
JPS62216960A (ja) | 酸化ジルコニウム−アルミニウム−マグネシウム複合物の化学的製造 | |
Senthil Kumar et al. | Fly ash constituent-silica and alumina role in the synthesis and characterization of cordierite based ceramics | |
DE102012003483B3 (de) | Thermoschock- und korrosionsbeständiger Keramikwerkstoff auf der Basis von Calciumzirkonat und Verfahren zu seiner Herstellung | |
Kumar et al. | Thermo-mechanical properties of mullite—zirconia composites derived from reaction sintering of zircon and sillimanite beach sand: Effect of CaO | |
JPH0553751B2 (zh) | ||
CN102471163A (zh) | 钛酸铝系煅烧体的制造方法 | |
Huang et al. | Preparation of an aluminium titanate-25 vol% mullite composite by sintering of gel-coated powders | |
JP6502495B2 (ja) | 制御されたサイズ分布を有するセラミック粉末 | |
Maitreekeaw et al. | Calcium titanate ceramics obtained by combustion synthesis and two-step sintering | |
JPS61132510A (ja) | 耐熱性複合酸化物粉末の製造方法 | |
RU2529540C2 (ru) | Композиционный керамический материал | |
Tezuka et al. | Effect of fluoride and oxide additives on the phase transformations in alumina/clay ceramics | |
RU2748375C1 (ru) | Керамический композиционный материал | |
Saghezchi et al. | Characterization of additive influence on reaction sintering of nano aluminum titanate | |
JP3067156B2 (ja) | ムライト―ジルコニア複合焼結体の製造方法 |
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 | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20190428 |