发明授权
- 专利标题： Hydrogen permeable alloy and method for producing the same
- 专利标题（中）： 氢可渗性合金及其制造方法
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申请号： US11390218申请日： 2006-03-28
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公开(公告)号： US07514036B2公开(公告)日： 2009-04-07
- 发明人: Kiyoshi Aoki , Kazuhiro Ishikawa , Tsuyoshi Sasaki , Toshiki Kabutomori
- 申请人： Kiyoshi Aoki , Kazuhiro Ishikawa , Tsuyoshi Sasaki , Toshiki Kabutomori
- 申请人地址： JP Tokyo JP Hokkaido
- 专利权人： The Japan Steel Works, Ltd.,National University Corporation Kitami Institute of Technology
- 当前专利权人： The Japan Steel Works, Ltd.,National University Corporation Kitami Institute of Technology
- 当前专利权人地址： JP Tokyo JP Hokkaido
- 代理机构： Sughrue Mion, PLLC
- 优先权： JP2005-266459 20050914
- 主分类号： C22C27/02
- IPC分类号： C22C27/02 ; C22C30/00 ; C22F1/18
摘要：
A (Nb, Ti) phase in an Nb—Ti—Co alloy is composed of a granular structure. The Nb—Ti—Co alloy is preferably subjected to heat treatment at 800° C. or more so that the eutectic structure in the casted state can be changed to a granular structure. The Nb—Ti—Co alloy used there is preferably NbxTi(100-x-y)Coy, (x≦70, 20≦y≦50 (mol %)). By properly predetermining the heating temperature and time, the resulting alloy exhibits improved hydrogen permeability in combination with a good hydrogen embrittlement resistance characteristic in the CoTi phase, making it possible to provide a practical hydrogen permeable membrane having an advantageously high performance.
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