JP2003048041A5 - - Google Patents

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Publication number
JP2003048041A5
JP2003048041A5 JP2002137764A JP2002137764A JP2003048041A5 JP 2003048041 A5 JP2003048041 A5 JP 2003048041A5 JP 2002137764 A JP2002137764 A JP 2002137764A JP 2002137764 A JP2002137764 A JP 2002137764A JP 2003048041 A5 JP2003048041 A5 JP 2003048041A5
Authority
JP
Japan
Prior art keywords
core
yttria
impregnated
porous alumina
creep resistance
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.)
Pending
Application number
JP2002137764A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003048041A (ja
Filing date
Publication date
Priority claimed from US09/924,962 external-priority patent/US6494250B1/en
Application filed filed Critical
Publication of JP2003048041A publication Critical patent/JP2003048041A/ja
Publication of JP2003048041A5 publication Critical patent/JP2003048041A5/ja
Pending legal-status Critical Current

Links

JP2002137764A 2001-05-14 2002-05-13 アルミナ系中子及びその処理方法 Pending JP2003048041A (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US85485101A 2001-05-14 2001-05-14
US854851 2001-05-14
US924962 2001-08-08
US09/924,962 US6494250B1 (en) 2001-05-14 2001-08-08 Impregnated alumina-based core and method

Publications (2)

Publication Number Publication Date
JP2003048041A JP2003048041A (ja) 2003-02-18
JP2003048041A5 true JP2003048041A5 (enExample) 2005-09-29

Family

ID=27127263

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002137764A Pending JP2003048041A (ja) 2001-05-14 2002-05-13 アルミナ系中子及びその処理方法

Country Status (5)

Country Link
US (1) US6494250B1 (enExample)
JP (1) JP2003048041A (enExample)
DE (1) DE10221418A1 (enExample)
FR (1) FR2824554B1 (enExample)
GB (1) GB2376652B (enExample)

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JP2004330280A (ja) * 2003-05-12 2004-11-25 Ishikawajima Harima Heavy Ind Co Ltd ３次元形状を有する耐熱セラミックコアとその鋳造品の製造方法
US7610945B2 (en) * 2006-09-29 2009-11-03 General Electric Company Rare earth-based core constructions for casting refractory metal composites, and related processes
US20100111745A1 (en) * 2007-01-31 2010-05-06 Urevich David J Method of producing composite materials through metal injection molding
US8286689B1 (en) * 2011-08-30 2012-10-16 United Technologies Corporation Porous ceramic body and method therfor
CN103464676A (zh) * 2013-09-10 2013-12-25 西安航空动力股份有限公司 一种防止陶瓷型芯发生化学反应的防护方法
US20170284208A1 (en) * 2014-01-21 2017-10-05 United Technologies Corporation Method for forming single crystal components using additive manufacturing and re-melt
CN106830973A (zh) * 2017-02-09 2017-06-13 江苏省陶瓷研究所有限公司 一种新型Al2O3/ZrO2(Y2O3)复相陶瓷的制备方法
US10364189B2 (en) 2017-05-04 2019-07-30 General Electric Company Methods for forming ceramic cores
US10695826B2 (en) * 2017-07-17 2020-06-30 Raytheon Technologies Corporation Apparatus and method for investment casting core manufacture
CN110465627B (zh) * 2019-09-16 2021-02-02 郑州航空工业管理学院 一种用于空心涡轮叶片精密铸造的表层致密内部疏松陶瓷型芯制造方法
US12151282B2 (en) 2019-10-31 2024-11-26 Siemens Energy Global GmbH & Co. KG Effective leaching of alumina-based casting cores
CN114951549B (zh) * 2022-04-15 2024-01-23 华电电力科学研究院有限公司 一种改善燃气轮机叶片表面粘砂的陶瓷型壳的制备方法
FR3142108B1 (fr) * 2022-11-23 2024-10-11 Safran Dispositif de test pour la fabrication par moulage a la cire perdue d’une aube creuse de turbomachine
CN115991595B (zh) * 2022-12-08 2024-03-26 西北工业大学 一种光固化3d打印氧化铝基陶瓷材料及其制备方法和应用
CN119035461B (zh) * 2024-10-31 2024-12-20 中国航发北京航空材料研究院 用于提高单晶空心叶片内腔质量的陶瓷型芯表面改性方法

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US5975188A (en) 1997-10-30 1999-11-02 Howmet Research Corporation Method of casting with improved detectability of subsurface inclusions
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