CN106903261B - 用于在熔模铸造中使用的芯的组合物 - Google Patents

用于在熔模铸造中使用的芯的组合物 Download PDF

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CN106903261B
CN106903261B CN201611016024.1A CN201611016024A CN106903261B CN 106903261 B CN106903261 B CN 106903261B CN 201611016024 A CN201611016024 A CN 201611016024A CN 106903261 B CN106903261 B CN 106903261B
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oxide
ceramic core
yttrium
core
alumina
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CN106903261A (zh
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杨熙
J.T.勒曼
A.Y-C.库
T.李
J.P.波林格
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General Electric Co
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General Electric Co
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Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10364189B2 (en) * 2017-05-04 2019-07-30 General Electric Company Methods for forming ceramic cores
US20190060982A1 (en) * 2017-08-29 2019-02-28 General Electric Company Carbon fibers in ceramic cores for investment casting
US10722939B2 (en) 2018-06-29 2020-07-28 Raytheon Technologies Corporation Production of multi-passage hollow casting
WO2021061556A1 (en) * 2019-09-27 2021-04-01 Corning Incorporated Extrudable ceramic precursor mixtures and methods of use
US11572313B2 (en) 2020-02-27 2023-02-07 General Electric Company Ceramic slurries with photoreactive-photostable hybrid binders
US11578002B2 (en) 2020-02-27 2023-02-14 General Electric Company Ceramic slurries with photoreactive-photostable hybrid binders
CN114853450B (zh) * 2022-05-23 2023-04-28 西北工业大学 一种光固化3d打印氧化铝基陶瓷型芯及其制备方法
CN115178708A (zh) * 2022-06-27 2022-10-14 惠州市棣华科技有限公司 一种精密铸件型壳及其制作工艺
CN115815574B (zh) * 2022-12-07 2025-03-25 中国航发动力股份有限公司 一种高温合金薄壁空心铸件的浇注方法
CN118359425B (zh) * 2024-04-22 2026-04-10 中国科学院金属研究所 方石英含量可控的光固化3d打印硅基陶瓷型芯的制备方法
CN119282020B (zh) * 2024-09-25 2025-11-21 中国科学院金属研究所 一种改性陶瓷型芯超声浸渍制备氧化钇涂层方法
CN119634668B (zh) * 2024-11-12 2025-11-14 北京航空材料研究院股份有限公司 一种高精度带管腔蜡模制备方法及模具
CN121315192B (zh) * 2025-12-15 2026-03-20 内蒙古金双马机械有限公司 消失模生产耐热铸铁件用增强涂料的制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247333A (en) * 1979-12-26 1981-01-27 General Electric Company Alumina shell molds used for investment casting in directional solidification of eutectic superalloys
CN104923716A (zh) * 2007-10-30 2015-09-23 Ask化学品股份有限公司 具有改善的流动性的造型材料混合物

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126357A (en) 1964-03-24 High temperature cement including
US2641044A (en) 1949-10-24 1953-06-09 Phillips Petroleum Co Process for manufacturing mullitecontaining refractories
US3108985A (en) 1960-11-02 1963-10-29 Dow Corning Polysiloxane polymer with a calcined volatile-free filler
US3445250A (en) 1967-02-28 1969-05-20 Nalco Chemical Co Precision metal casting molds comprising alumina coated silica and a refractory
US4093017A (en) 1975-12-29 1978-06-06 Sherwood Refractories, Inc. Cores for investment casting process
US4026344A (en) 1976-06-23 1977-05-31 General Electric Company Method for making investment casting molds for casting of superalloys
US4703806A (en) * 1986-07-11 1987-11-03 Howmet Turbine Components Corporation Ceramic shell mold facecoat and core coating systems for investment casting of reactive metals
US4837187A (en) 1987-06-04 1989-06-06 Howmet Corporation Alumina-based core containing yttria
US4966225A (en) 1988-06-13 1990-10-30 Howmet Corporation Ceramic shell mold for investment casting and method of making the same
JP2663392B2 (ja) 1992-06-19 1997-10-15 工業技術院長 チタン及びその合金の鋳造用中子
US5660524A (en) 1992-07-13 1997-08-26 General Electric Company Airfoil blade having a serpentine cooling circuit and impingement cooling
US5332537A (en) 1992-12-17 1994-07-26 Pcc Airfoils, Inc. Method and binder for use in powder molding
US5409871A (en) 1993-11-02 1995-04-25 Pcc Airfoils, Inc. Ceramic material for use in casting reactive metals
US6036441A (en) 1998-11-16 2000-03-14 General Electric Company Series impingement cooled airfoil
US6168381B1 (en) 1999-06-29 2001-01-02 General Electric Company Airfoil isolated leading edge cooling
US7098275B2 (en) * 2001-06-27 2006-08-29 Inglefield Charles F Heat resistant material for molds and other articles
US6595748B2 (en) 2001-08-02 2003-07-22 General Electric Company Trichannel airfoil leading edge cooling
US20040152581A1 (en) 2003-02-03 2004-08-05 Bardes Bruce Paul Ceramic article and method of manufacture therefor
US6832889B1 (en) 2003-07-09 2004-12-21 General Electric Company Integrated bridge turbine blade
US20050006047A1 (en) 2003-07-10 2005-01-13 General Electric Company Investment casting method and cores and dies used therein
US7287573B2 (en) 2003-09-30 2007-10-30 General Electric Company Silicone binders for investment casting
US6929054B2 (en) 2003-12-19 2005-08-16 United Technologies Corporation Investment casting cores
DE102006020967A1 (de) 2006-05-05 2007-11-08 Goldschmidt Gmbh Reaktives, flüssiges Keramikbindemittel
US7610945B2 (en) * 2006-09-29 2009-11-03 General Electric Company Rare earth-based core constructions for casting refractory metal composites, and related processes
US20080135721A1 (en) * 2006-12-06 2008-06-12 General Electric Company Casting compositions for manufacturing metal casting and methods of manufacturing thereof
US7487819B2 (en) 2006-12-11 2009-02-10 General Electric Company Disposable thin wall core die, methods of manufacture thereof and articles manufactured therefrom
US7798201B2 (en) 2007-08-24 2010-09-21 General Electric Company Ceramic cores for casting superalloys and refractory metal composites, and related processes
US8033320B2 (en) * 2008-07-25 2011-10-11 General Electric Company High emittance shell molds for directional casting
CN101372421A (zh) 2008-09-27 2009-02-25 辽宁省轻工科学研究院特铸材料有限公司 单晶浇铸用氧化钇陶瓷型芯材料及其成型制备方法
US20140182809A1 (en) 2012-12-28 2014-07-03 United Technologies Corporation Mullite-containing investment casting core
JP6098168B2 (ja) * 2013-01-09 2017-03-22 株式会社Ihi 鋳型及びその製造方法並びに鋳造品の鋳造方法
US20140238632A1 (en) 2013-02-28 2014-08-28 General Electric Company Methods for repairing ceramic cores
CA2885074A1 (en) * 2014-04-24 2015-10-24 Howmet Corporation Ceramic casting core made by additive manufacturing
US20160214165A1 (en) 2015-01-26 2016-07-28 General Electric Company Porous ceramic materials for investment casting

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247333A (en) * 1979-12-26 1981-01-27 General Electric Company Alumina shell molds used for investment casting in directional solidification of eutectic superalloys
CN104923716A (zh) * 2007-10-30 2015-09-23 Ask化学品股份有限公司 具有改善的流动性的造型材料混合物

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