Invention Grant
- Patent Title: Ni-based single crystal superalloy
- Patent Title (中): 镍基单晶超合金
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Application No.: US13144748Application Date: 2010-01-15
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Publication No.: US08900512B2Publication Date: 2014-12-02
- Inventor: Hiroshi Harada , Tadaharu Yokokawa , Yutaka Koizumi , Toshiharu Kobayashi , Masao Sakamoto , Kyoko Kawagishi , Ikuo Okada , Hidataka Oguma , Taiji Torigoe , Masaki Taneike , Eisaku Ito , Junichiro Masada , Keizo Tsukagoshi , Hidemichi Koyabu
- Applicant: Hiroshi Harada , Tadaharu Yokokawa , Yutaka Koizumi , Toshiharu Kobayashi , Masao Sakamoto , Kyoko Kawagishi , Ikuo Okada , Hidataka Oguma , Taiji Torigoe , Masaki Taneike , Eisaku Ito , Junichiro Masada , Keizo Tsukagoshi , Hidemichi Koyabu
- Applicant Address: JP Ibaraki JP Tokyo
- Assignee: National Institute for Materials Science,Mitsubishi Heavy Indsutries, Ltd.
- Current Assignee: National Institute for Materials Science,Mitsubishi Heavy Indsutries, Ltd.
- Current Assignee Address: JP Ibaraki JP Tokyo
- Agency: Wenderoth, Lind & Ponack L.L.P.
- Priority: JP2009-006746 20090115
- International Application: PCT/JP2010/050428 WO 20100115
- International Announcement: WO2010/082632 WO 20100722
- Main IPC: C22C19/05
- IPC: C22C19/05 ; F01D5/28 ; C22F1/00 ; C22F1/02 ; C22F1/10 ; C30B11/00 ; C30B29/52
Abstract:
The Ni-based single crystal alloy disclosed here is a single crystal and has a chemical composition containing, as % by mass, Co: 8 to 12%, Cr: 5 to 7.5%, Mo: 0.2 to 1.2%, W: 5 to 7%, Al: 5 to 6.5%, Ta: 8 to 12%. Hf: 0.01 to 0.2%, Re: 2 to 4%, Si: 0.005 to 0.1%, with the balance of Ni and inevitable impurities.
Public/Granted literature
- US20120014832A1 Ni-BASED SINGLE CRYSTAL SUPERALLOY Public/Granted day:2012-01-19
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