发明授权
- 专利标题： Method of joining different metal materials by friction welding
- 专利标题（中）： 通过摩擦焊连接不同金属材料的方法
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申请号： US10245247申请日： 2002-09-17
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公开(公告)号： US06691910B2公开(公告)日： 2004-02-17
- 发明人: Masahito Hirose , Hiroaki Asanuma
- 申请人： Masahito Hirose , Hiroaki Asanuma
- 优先权： JP2000-373977 20001208
- 主分类号： B23K2012
- IPC分类号： B23K2012
摘要：
A rod material made of Ti alloy has a larger diameter portion at the end, which is joined with the end of material made of Ti—Al intermetallic compound, by friction welding, to form a poppet valve for an internal combustion engine. Instead of providing such larger diameter portion, the end of the material made of Ti—Al intermetallic compound may be heated to facilitate joining.
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