JP2001246457A - 鋳造品の結晶粒間隔の制御 - Google Patents
鋳造品の結晶粒間隔の制御Info
- Publication number
- JP2001246457A JP2001246457A JP2000320165A JP2000320165A JP2001246457A JP 2001246457 A JP2001246457 A JP 2001246457A JP 2000320165 A JP2000320165 A JP 2000320165A JP 2000320165 A JP2000320165 A JP 2000320165A JP 2001246457 A JP2001246457 A JP 2001246457A
- Authority
- JP
- Japan
- Prior art keywords
- grain
- starter
- casting
- mold
- less
- 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.)
- Withdrawn
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 55
- 238000005266 casting Methods 0.000 title claims description 51
- 239000007858 starting material Substances 0.000 claims abstract description 77
- 238000000034 method Methods 0.000 claims abstract description 46
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- 229910000601 superalloy Inorganic materials 0.000 claims abstract description 35
- 238000007711 solidification Methods 0.000 claims abstract description 28
- 230000008023 solidification Effects 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims abstract description 23
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 13
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 210000001787 dendrite Anatomy 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 4
- CRHLEZORXKQUEI-UHFFFAOYSA-N dialuminum;cobalt(2+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Co+2].[Co+2] CRHLEZORXKQUEI-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 2
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 2
- 238000005058 metal casting Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 235000013339 cereals Nutrition 0.000 claims 71
- 235000011868 grain product Nutrition 0.000 claims 3
- 238000013329 compounding Methods 0.000 claims 2
- 238000003754 machining Methods 0.000 claims 2
- 229910045601 alloy Inorganic materials 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 230000002860 competitive effect Effects 0.000 description 4
- 230000006911 nucleation Effects 0.000 description 4
- 238000010899 nucleation Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000002667 nucleating agent Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910002515 CoAl Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 229910001119 inconels 625 Inorganic materials 0.000 description 1
- 229910000816 inconels 718 Inorganic materials 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/14—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method characterised by the seed, e.g. its crystallographic orientation
-
- 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
- B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
- B22D21/025—Casting heavy metals with high melting point, i.e. 1000 - 1600 degrees C, e.g. Co 1490 degrees C, Ni 1450 degrees C, Mn 1240 degrees C, Cu 1083 degrees C
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
- B22D27/045—Directionally solidified castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/20—Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/52—Alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/422179 | 1999-10-22 | ||
| US09/422,179 US6343641B1 (en) | 1999-10-22 | 1999-10-22 | Controlling casting grain spacing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001246457A true JP2001246457A (ja) | 2001-09-11 |
| JP2001246457A5 JP2001246457A5 (enExample) | 2007-11-29 |
Family
ID=23673727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000320165A Withdrawn JP2001246457A (ja) | 1999-10-22 | 2000-10-20 | 鋳造品の結晶粒間隔の制御 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6343641B1 (enExample) |
| EP (1) | EP1093872B1 (enExample) |
| JP (1) | JP2001246457A (enExample) |
| KR (1) | KR100718405B1 (enExample) |
| DE (1) | DE60017523T2 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010149189A (ja) * | 2008-12-15 | 2010-07-08 | General Electric Co <Ge> | 鋳造品を製造する方法、及び系 |
| JP2014100731A (ja) * | 2012-11-21 | 2014-06-05 | Ihi Corp | 鋳型及びその製造方法、精密鋳造装置並びに精密鋳造方法 |
| JP2017096111A (ja) * | 2015-11-19 | 2017-06-01 | 日立金属株式会社 | タービン翼およびその製造方法 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6932145B2 (en) | 1998-11-20 | 2005-08-23 | Rolls-Royce Corporation | Method and apparatus for production of a cast component |
| US7418993B2 (en) | 1998-11-20 | 2008-09-02 | Rolls-Royce Corporation | Method and apparatus for production of a cast component |
| EP1437426A1 (de) * | 2003-01-10 | 2004-07-14 | Siemens Aktiengesellschaft | Verfahren zum Herstellen von einkristallinen Strukturen |
| EP1561536A1 (de) * | 2004-02-03 | 2005-08-10 | Siemens Aktiengesellschaft | Reparatur-Lotverfahren zum Reparieren eines Bauteils, welches ein Basismaterial mit einer gerichteten Mikrostruktur umfasst |
| US20080257517A1 (en) * | 2005-12-16 | 2008-10-23 | General Electric Company | Mold assembly for use in a liquid metal cooled directional solidification furnace |
| JP4528995B2 (ja) * | 2007-08-02 | 2010-08-25 | 国立大学法人東北大学 | Ｓｉバルク多結晶インゴットの製造方法 |
| US20090314452A1 (en) * | 2008-06-24 | 2009-12-24 | Garlock Robert M | Method of casting metal articles |
| US9493357B2 (en) * | 2011-11-28 | 2016-11-15 | Sino-American Silicon Products Inc. | Method of fabricating crystalline silicon ingot including nucleation promotion layer |
| DE102019110580A1 (de) | 2019-04-24 | 2020-10-29 | Nemak, S.A.B. De C.V. | Vorrichtung und Verfahren zur Entnahme mindestens eines Kühlelementes aus einem wenigstens teilweise entformten Gussteil, Verfahren zur Einbringung mindestens eines Kühlelementes in einen Formkern einer Gussteilform, Kühlelement sowie Gussteil |
| EP3842556B1 (en) * | 2019-12-27 | 2023-07-05 | Fundación Azterlan | Inoculation process for grain refinement of a nickel base alloy |
| US11859266B2 (en) * | 2021-02-26 | 2024-01-02 | Lawrence Livermore National Security, Llc | Castable high temperature nickel-rare earth element alloys |
| TWI801846B (zh) * | 2021-04-21 | 2023-05-11 | 台灣雨虹有限公司 | 單方向晶粒金屬材料及其製造方法 |
| KR102773965B1 (ko) * | 2024-06-13 | 2025-02-26 | 국립부경대학교 산학협력단 | 가스터빈 블레이드 제조방법 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3763926A (en) * | 1971-09-15 | 1973-10-09 | United Aircraft Corp | Apparatus for casting of directionally solidified articles |
| US3972367A (en) | 1975-06-11 | 1976-08-03 | General Electric Company | Process for forming a barrier layer on ceramic molds suitable for use for high temperature eutectic superalloy casting |
| US3955616A (en) | 1975-06-11 | 1976-05-11 | General Electric Company | Ceramic molds having a metal oxide barrier for casting and directional solidification of superalloys |
| US4031945A (en) | 1976-04-07 | 1977-06-28 | General Electric Company | Process for making ceramic molds having a metal oxide barrier for casting and directional solidification of superalloys |
| US4108236A (en) | 1977-04-21 | 1978-08-22 | United Technologies Corporation | Floating heat insulating baffle for directional solidification apparatus utilizing liquid coolant bath |
| US4213497A (en) | 1978-08-21 | 1980-07-22 | General Electric Company | Method for casting directionally solidified articles |
| US4202400A (en) | 1978-09-22 | 1980-05-13 | General Electric Company | Directional solidification furnace |
| US4289570A (en) * | 1978-12-13 | 1981-09-15 | United Technologies Corporation | Seed and method for epitaxial solidification |
| US4292076A (en) | 1979-04-27 | 1981-09-29 | General Electric Company | Transverse ductile fiber reinforced eutectic nickel-base superalloys |
| IL65014A0 (en) | 1981-03-02 | 1982-04-30 | Trw Inc | Method of casting an article |
| US4804311A (en) | 1981-12-14 | 1989-02-14 | United Technologies Corporation | Transverse directional solidification of metal single crystal articles |
| US4475582A (en) * | 1982-01-27 | 1984-10-09 | United Technologies Corporation | Casting a metal single crystal article using a seed crystal and a helix |
| US4589937A (en) | 1982-09-22 | 1986-05-20 | General Electric Company | Carbide reinforced nickel-base superalloy eutectics having improved resistance to surface carbide formation |
| GB8310852D0 (en) | 1983-04-21 | 1983-05-25 | Ae Plc | Casting articles by directional solidification |
| US4813470A (en) | 1987-11-05 | 1989-03-21 | Allied-Signal Inc. | Casting turbine components with integral airfoils |
| US5071054A (en) | 1990-12-18 | 1991-12-10 | General Electric Company | Fabrication of cast articles from high melting temperature superalloy compositions |
| RU2010672C1 (ru) * | 1991-02-15 | 1994-04-15 | Всероссийский научно-исследовательский институт авиационных материалов | Способ получения монокристаллических отливок |
| US5366695A (en) | 1992-06-29 | 1994-11-22 | Cannon-Muskegon Corporation | Single crystal nickel-based superalloy |
| US5445688A (en) | 1994-03-03 | 1995-08-29 | General Electric Company | Method of making alloy standards having controlled inclusions |
| US5858558A (en) | 1996-10-30 | 1999-01-12 | General Electric Company | Nickel-base sigma-gamma in-situ intermetallic matrix composite |
| US6213192B1 (en) * | 1998-12-15 | 2001-04-10 | General Electric Company | Large structural, thin-wall castings made of metals subject to hot tearing, and their fabrication |
-
1999
- 1999-10-22 US US09/422,179 patent/US6343641B1/en not_active Expired - Fee Related
-
2000
- 2000-10-19 KR KR1020000061539A patent/KR100718405B1/ko not_active Expired - Fee Related
- 2000-10-20 JP JP2000320165A patent/JP2001246457A/ja not_active Withdrawn
- 2000-10-20 EP EP00309255A patent/EP1093872B1/en not_active Expired - Lifetime
- 2000-10-20 DE DE60017523T patent/DE60017523T2/de not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010149189A (ja) * | 2008-12-15 | 2010-07-08 | General Electric Co <Ge> | 鋳造品を製造する方法、及び系 |
| JP2014100731A (ja) * | 2012-11-21 | 2014-06-05 | Ihi Corp | 鋳型及びその製造方法、精密鋳造装置並びに精密鋳造方法 |
| JP2017096111A (ja) * | 2015-11-19 | 2017-06-01 | 日立金属株式会社 | タービン翼およびその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20010040128A (ko) | 2001-05-15 |
| EP1093872B1 (en) | 2005-01-19 |
| US6343641B1 (en) | 2002-02-05 |
| KR100718405B1 (ko) | 2007-05-14 |
| EP1093872A1 (en) | 2001-04-25 |
| DE60017523D1 (de) | 2005-02-24 |
| DE60017523T2 (de) | 2005-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111364096B (zh) | 基底触发单晶高温合金定向凝固工艺 | |
| JP4659164B2 (ja) | 一方向凝固鋳造品並びにその製造方法 | |
| Ma | Novel casting processes for single-crystal turbine blades of superalloys | |
| Versnyder et al. | The development of columnar grain and single crystal high temperature materials through directional solidification | |
| JP2001246457A (ja) | 鋳造品の結晶粒間隔の制御 | |
| US7810547B2 (en) | Single crystal seed | |
| EP0127552B1 (en) | Casting of articles with predetermined crystalline orientation | |
| US9144842B2 (en) | Unidirectional solidification process and apparatus and single-crystal seed therefor | |
| JP2010075999A (ja) | 方向性凝固法及び該方法で製造される鋳造品 | |
| Erickson | Polycrystalline cast superalloys | |
| JPS6171168A (ja) | 方向性固化タビーン羽根の製造方法 | |
| US4609029A (en) | Method of reducing casting time | |
| JPS6335349B2 (enExample) | ||
| JP2011523901A (ja) | 方向性凝固鋳造物の高密充填を伴う高温度勾配鋳造 | |
| JPH0119992B2 (enExample) | ||
| Sifeng et al. | Influences of processing parameters on microstructure during investment casting of nickel-base single crystal superalloy DD3. | |
| US3783032A (en) | Method for producing directionally solidified nickel base alloy | |
| Dexin | Novel casting processes for single-crystal turbine blades of superalloys | |
| EP0059550B1 (en) | Method of casting | |
| US4964453A (en) | Directional solidification of superalloys | |
| JP2005139548A (ja) | ニッケル基超合金及び単結晶鋳造品 | |
| US4634491A (en) | Process for producing a single crystal article | |
| Fras et al. | Processing and microstructure of investment casting turbine blade NITAC in-situ composites | |
| JP2002331353A (ja) | 微細な一方向凝固柱状晶組織を有する鋳造体の製造方法 | |
| JPH03291333A (ja) | 金属物品の製造法及びそれに用いる一方向凝固鋳型 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071017 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20071017 |
|
| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20091023 |