Invention Grant
US09206319B2 Wear-resistant cobalt-based alloy and engine valve coated with same
有权
耐磨钴基合金和发动机阀涂覆有相同的
- Patent Title: Wear-resistant cobalt-based alloy and engine valve coated with same
- Patent Title (中): 耐磨钴基合金和发动机阀涂覆有相同的
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Application No.: US13881346Application Date: 2011-05-23
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Publication No.: US09206319B2Publication Date: 2015-12-08
- Inventor: Katsunori Otobe , Shinichi Nishimura , Kazunori Kurahashi
- Applicant: Katsunori Otobe , Shinichi Nishimura , Kazunori Kurahashi
- Applicant Address: JP Kyoto JP Hadano-shi, Kanagawa
- Assignee: Fukuda Metal Foil & Powder Co., Ltd.,Nittan Valve Co., Ltd.
- Current Assignee: Fukuda Metal Foil & Powder Co., Ltd.,Nittan Valve Co., Ltd.
- Current Assignee Address: JP Kyoto JP Hadano-shi, Kanagawa
- Agency: Muncy, Geissler, Olds & Lowe, P.C.
- Priority: JP2010-250598 20101109
- International Application: PCT/JP2011/061748 WO 20110523
- International Announcement: WO2012/063512 WO 20120518
- Main IPC: B32B15/00
- IPC: B32B15/00 ; C09D1/00 ; B23K10/02 ; B23K35/30 ; C22C19/07 ; F01L3/04 ; C23C30/00 ; F16K51/00 ; C22F1/08 ; C22C1/02
Abstract:
A surface hardening material being excellent in abrasion resistance and having impact resistance is provided. Provided are: a wear-resistant cobalt-based alloy containing 20.0 to 30.0 mass % of a sum of Mo and/or W, 0.8 to 2.2 mass % of B, 5.0 to 18.0 mass % of Cr, 5.0 mass % or less of a sum of Fe, Ni, Mn, Cu, Si and C, 1.0 mass % or less of Si, and 0.3 mass % or less of C, and the remainder comprising 55.0 to 70.0 mass % of Co and unavoidable impurities; and an engine valve coated with the same.
Public/Granted literature
- US20130221261A1 WEAR-RESISTANT COBALT-BASED ALLOY AND ENGINE VALVE COATED WITH SAME Public/Granted day:2013-08-29
Information query
