JP6563691B2 - 段階化した炭化ケイ素を有する鋳型 - Google Patents
段階化した炭化ケイ素を有する鋳型 Download PDFInfo
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- JP6563691B2 JP6563691B2 JP2015108050A JP2015108050A JP6563691B2 JP 6563691 B2 JP6563691 B2 JP 6563691B2 JP 2015108050 A JP2015108050 A JP 2015108050A JP 2015108050 A JP2015108050 A JP 2015108050A JP 6563691 B2 JP6563691 B2 JP 6563691B2
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- silicon carbide
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims description 349
- 229910010271 silicon carbide Inorganic materials 0.000 title claims description 346
- 239000002245 particle Substances 0.000 claims description 310
- 239000000203 mixture Substances 0.000 claims description 243
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 claims description 183
- 238000005266 casting Methods 0.000 claims description 181
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 156
- 239000011575 calcium Substances 0.000 claims description 109
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 99
- 229910052791 calcium Inorganic materials 0.000 claims description 99
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 82
- 239000010936 titanium Substances 0.000 claims description 81
- 229910052719 titanium Inorganic materials 0.000 claims description 81
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 43
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 35
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 34
- 239000000292 calcium oxide Substances 0.000 claims description 34
- 239000000395 magnesium oxide Substances 0.000 claims description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 8
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 5
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 5
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000004568 cement Substances 0.000 description 142
- 229910001069 Ti alloy Inorganic materials 0.000 description 58
- 238000006243 chemical reaction Methods 0.000 description 45
- 238000000034 method Methods 0.000 description 44
- 239000002002 slurry Substances 0.000 description 44
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 41
- 229910021324 titanium aluminide Inorganic materials 0.000 description 40
- OQPDWFJSZHWILH-UHFFFAOYSA-N [Al].[Al].[Al].[Ti] Chemical compound [Al].[Al].[Al].[Ti] OQPDWFJSZHWILH-UHFFFAOYSA-N 0.000 description 39
- 239000000956 alloy Substances 0.000 description 37
- 229910045601 alloy Inorganic materials 0.000 description 35
- 239000007787 solid Substances 0.000 description 35
- 238000010304 firing Methods 0.000 description 32
- 239000007788 liquid Substances 0.000 description 29
- 229910052751 metal Inorganic materials 0.000 description 25
- 239000002184 metal Substances 0.000 description 25
- 238000009472 formulation Methods 0.000 description 22
- 239000003570 air Substances 0.000 description 20
- 230000008034 disappearance Effects 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 150000001875 compounds Chemical class 0.000 description 15
- 239000000463 material Substances 0.000 description 15
- 239000000377 silicon dioxide Substances 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 13
- 239000000919 ceramic Substances 0.000 description 13
- 238000002156 mixing Methods 0.000 description 13
- 230000008901 benefit Effects 0.000 description 12
- 239000011230 binding agent Substances 0.000 description 12
- 230000003746 surface roughness Effects 0.000 description 12
- 239000001993 wax Substances 0.000 description 11
- 239000010419 fine particle Substances 0.000 description 10
- 239000012535 impurity Substances 0.000 description 9
- 238000013459 approach Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 238000005495 investment casting Methods 0.000 description 7
- 230000002829 reductive effect Effects 0.000 description 7
- 238000007711 solidification Methods 0.000 description 7
- 230000008023 solidification Effects 0.000 description 7
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000002601 radiography Methods 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 229910052726 zirconium Inorganic materials 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000008119 colloidal silica Substances 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- 230000002411 adverse Effects 0.000 description 4
- 239000000404 calcium aluminium silicate Substances 0.000 description 4
- 235000012215 calcium aluminium silicate Nutrition 0.000 description 4
- WNCYAPRTYDMSFP-UHFFFAOYSA-N calcium aluminosilicate Chemical compound [Al+3].[Al+3].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O WNCYAPRTYDMSFP-UHFFFAOYSA-N 0.000 description 4
- 229940078583 calcium aluminosilicate Drugs 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- -1 mayenite Chemical compound 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 229910000323 aluminium silicate Inorganic materials 0.000 description 3
- 238000005422 blasting Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006664 bond formation reaction Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000009750 centrifugal casting Methods 0.000 description 2
- 230000001010 compromised effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000007730 finishing process Methods 0.000 description 2
- 239000005350 fused silica glass Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000000847 optical profilometry Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000951 Aluminide Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910002026 crystalline silica Inorganic materials 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HOOWDPSAHIOHCC-UHFFFAOYSA-N dialuminum tricalcium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[Al+3].[Al+3].[Ca++].[Ca++].[Ca++] HOOWDPSAHIOHCC-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/12—Treating moulds or cores, e.g. drying, hardening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/002—Castings of light metals
- B22D21/005—Castings of light metals with high melting point, e.g. Be 1280 degrees C, Ti 1725 degrees C
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3828—Moulds made of at least two different materials having different thermal conductivities
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mold Materials And Core Materials (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
本開示の態様は、チタンおよびチタン合金の改善されたコンポーネントを提供し得るインベストメント鋳型の組成を提供する。本開示の一態様において、カルシウムアルミネートセメントの形態のカルシウムモノアルミネートが提供され得る。カルシウムアルミネートセメントは、「セメント」または「結合剤」とも呼ばれ得る。
本開示は、とりわけ、チタンおよびチタン合金の改善されたコンポーネントを提供し得るインベストメント鋳型の組成に関する。型は、型のバルクと型穴との間に、炭化ケイ素を含有する連続した固有フェイスコートを含有する。一例において、炭化ケイ素は、型のいくつかのセクションでより高濃度であり、型の他のセクションでより低濃度であるように、型全体で段階的である。外形寸法が約50ミクロン未満の炭化ケイ素粉末サイズが、型作製プロセスにおいて使用される。本出願の発明者らは、このサイズの炭化ケイ素粉末の使用が、型作製中のフェイスコートへの粒子の偏析を促進することを発見した。したがって、型内の段階的炭化ケイ素の存在は、有益な特性を提供する。型のバルクもまた、炭化ケイ素を含有し得る。
インベストメント型は、セラミックコンポーネントのインベストメントミックスを配合し、消失模型を含む容器内にミックスを流し込むことにより形成される。模型上で形成されたインベストメント型は、完全に硬化され、いわゆる「生型」を形成する。炭化ケイ素含有固有フェイスコートおよびインベストメント型は、模型上で形成され、それらが完全に硬化されてこの生型を形成する。典型的には、生型の硬化は、1時間から48時間の期間行われる。その後、溶融、溶解、点火、または他の知られている模型除去技術により、生型から消失模型が選択的に除去される。ろう模型除去のための典型的な方法は、オーブン内脱ろう(150℃未満)、炉内脱ろう(150℃超)、蒸気オートクレーブ脱ろう、およびマイクロ波脱ろうを含む。
15 型のバルク
20 部分
30 部分
40 部分
50 部分
60 物品
200 型
210 SiC外側部分
220 内側部分
230 物品
300 型
310 外側セクション
320 内側半径方向部分
Claims (22)
- チタン含有物品を鋳造するための型であって、
カルシウムモノアルミネート、カルシウムジアルミネート、マイエナイトおよび炭化ケイ素を含み、型のバルク内の前記炭化ケイ素の濃度は、炭化ケイ素が型の異なる部分に異なる濃度で存在するように段階的であり、炭化ケイ素の最高濃度は、型のフェイスコート内にあり、前記フェイスコートは、型のバルクと、型穴に対して開いた型内側表面との間に位置する、型。 - フェイスコートが、連続した固有フェイスコートであり、約50ミクロン未満の粒子サイズを有するカルシウムモノアルミネートおよびカルシウムジアルミネートを含み、
前記固有フェイスコートが、型の成分に由来する成分のみを含むフェイスコートである、請求項1記載の型。 - フェイスコートが、固有フェイスコートであり、前記固有フェイスコートは、約10ミクロンから約500ミクロンの厚さであり、
前記固有フェイスコートが、型の成分に由来する成分のみを含むフェイスコートである、請求項1記載の型。 - 炭化ケイ素が、約10重量%から約50重量%で存在する、請求項1記載の型。
- 炭化ケイ素の最低濃度が、フェイスコートから最も離れた箇所にある、請求項1記載の型。
- 炭化ケイ素が、半径方向、または軸方向および半径方向の両方で段階的である、請求項1記載の型。
- 型のバルク内にアルミナ粒子をさらに含み、アルミナ粒子は、外形寸法が約50ミクロン超である、請求項1記載の型。
- 型のバルク内にアルミナ粒子をさらに含み、前記アルミナ粒子は、外形寸法が約500ミクロン未満である、請求項1記載の型。
- フェイスコートが、アルミナをさらに含み、重量分率でのアルミナのレベルが、型のバルク内に存在するレベルよりもフェイスコート内で少なくとも20パーセント低く、重量分率でのカルシウムモノアルミネートのレベルが、型のバルク内に存在するレベルよりもフェイスコート内で少なくとも20パーセント高く、重量分率でのマイエナイトのレベルが、型のバルク内に存在するレベルよりもフェイスコート内で少なくとも50パーセント低い、請求項5記載の型。
- 型のバルク内の炭化ケイ素が、フェイスコートから最も離れた型のセクション内で最も少なくなるように段階的である、請求項1記載の型。
- 型のバルク内の前記カルシウムモノアルミネートが、約0.05から0.95の重量分率を占め、フェイスコート内の前記カルシウムモノアルミネートが、約0.1から0.9の重量分率を占め;型のバルク内の前記カルシウムジアルミネートが、約0.05から約0.80の重量分率を占め、フェイスコート内の前記カルシウムジアルミネートが、約0.05から0.90の重量分率を占め;型のバルク内の前記マイエナイトが、約0.01から約0.30の重量分率を占め、フェイスコート内の前記マイエナイトが、約0.001から0.05の重量分率を占める、請求項1記載の型。
- カルシウムモノアルミネートおよびカルシウムジアルミネートが、型の20重量%超を占める、請求項1記載の型。
- アルミナ粒子、酸化マグネシウム粒子、酸化カルシウム粒子、酸化ジルコニウム粒子、酸化チタン粒子、酸化ケイ素粒子、またはそれらの組成物をさらに含む、請求項1記載の型。
- 前記アルミナ粒子は、型の約30重量%から約68重量%を占める、請求項13記載の型。
- 型の約10重量%から約50重量%の酸化カルシウムをさらに含む、請求項1記載の型。
- 炭化ケイ素が、半径方向、または軸方向および半径方向の両方で段階的である、請求項1記載の型。
- チタン含有物品を鋳造するための型であって、
カルシウムアルミネートおよび炭化ケイ素を含み、前記炭化ケイ素は、型の異なる部分が異なる濃度の炭化ケイ素を有するように前記型のバルク内で段階的であり、炭化ケイ素の濃度は、型のフェイスコート内で最も高く、前記フェイスコートは、型のバルクと、型穴に対して開いた型内側表面との間に位置する型。 - 炭化ケイ素が、型の約10重量%から約50重量%で存在する、請求項17記載の型。
- 型が、型のバルクおよび固有フェイスコートを備え、型のバルクおよび固有フェイスコートは、異なる組成を有し、
前記固有フェイスコートが、型の成分に由来する成分のみを含むフェイスコートであり、
段階的な炭化ケイ素は、フェイスコート内において最も高濃度であり、フェイスコートから最も離れた型のバルクのセクションにおいて最も低濃度である、請求項17記載の型。 - 型のバルク内に、外形寸法が約500ミクロン未満であるアルミナ粒子をさらに含む、請求項17記載の型。
- フェイスコートが、アルミナをさらに含み、重量分率でのアルミナのレベルが、型のバルク内に存在するレベルよりもフェイスコート内で少なくとも20パーセント低く、重量分率でのカルシウムモノアルミネートのレベルが、型のバルク内に存在するレベルよりもフェイスコート内で少なくとも20パーセント高く、重量分率でのマイエナイトのレベルが、型のバルク内に存在するレベルよりもフェイスコート内で少なくとも50パーセント低い、請求項17記載の型。
- 炭化ケイ素が、半径方向、または軸方向および半径方向の両方で段階的である、請求項17記載の型。
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2014
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2015
- 2015-05-26 EP EP15169248.0A patent/EP2952597A1/en not_active Withdrawn
- 2015-05-28 JP JP2015108050A patent/JP6563691B2/ja not_active Expired - Fee Related
- 2015-05-28 CA CA2893052A patent/CA2893052A1/en not_active Abandoned
- 2015-06-03 BR BR102015013035-0A patent/BR102015013035A2/pt not_active Application Discontinuation
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JP2015229194A (ja) | 2015-12-21 |
US20150352630A1 (en) | 2015-12-10 |
US10391547B2 (en) | 2019-08-27 |
CA2893052A1 (en) | 2015-12-04 |
EP2952597A1 (en) | 2015-12-09 |
CN105268906B (zh) | 2020-01-21 |
CN105268906A (zh) | 2016-01-27 |
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