发明公开
EP1284300A2 Wear resistant sintered member and process of manufacture therefor
有权
Verschleissfester gesinterterFormkörperund Verfahren seiner Herstellung
- 专利标题: Wear resistant sintered member and process of manufacture therefor
- 专利标题(中): Verschleissfester gesinterterFormkörperund Verfahren seiner Herstellung
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申请号: EP02017527.9申请日: 2002-08-06
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公开(公告)号: EP1284300A2公开(公告)日: 2003-02-19
- 发明人: Fujitsuka, Hiroki , Kawata, Hideaki , Hayashi, Koichiro , Miyazawa, Tomonori , Koyanagi, Koji , Fujiki, Akira , Muramatsu, Hideki , Maki, Kunio , Okada, Yoshio , Nomura, Shin
- 申请人: Hitachi Powdered Metals Co., Ltd. , Nissan Motor Co., Ltd.
- 申请人地址: 520, Minoridai Matsudo-shi, Chiba 270-2295 JP
- 专利权人: Hitachi Powdered Metals Co., Ltd.,Nissan Motor Co., Ltd.
- 当前专利权人: Hitachi Powdered Metals Co., Ltd.,Nissan Motor Co., Ltd.
- 当前专利权人地址: 520, Minoridai Matsudo-shi, Chiba 270-2295 JP
- 代理机构: Nöth, Heinz
- 优先权: JP2001237589 20010806; JP2002166585 20020607
- 主分类号: C22C33/02
- IPC分类号: C22C33/02 ; C22C38/34 ; C22C38/44
摘要:
A wear resistant sintered member exhibits superior wear resistance at the same level as those of the conventional materials without using a Co-based hard phase is provided. A first hard phase comprising Mo silicide particles dispersed in an Fe-based alloy matrix of the first hard phase and a second hard phase comprising a ferrite phase or a mixed phase of ferrite and austenite having a higher Cr concentration than the Fe-based alloy matrix surrounding a core consisting of Cr carbide particles, are diffused in an Fe-based alloy matrix, the Mo silicide particles are contained in the first hard phase in an amount of 3 to 25% by area, and the Cr carbide particles are contained in the second hard phase in an amount of 3 to 30% by area.
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