发明申请
- 专利标题： High-purity titanium-nickel alloys with shape memory
- 专利标题（中）： 高纯度钛镍合金，形状记忆
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申请号： US10969600申请日： 2004-10-19
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公开(公告)号： US20060037672A1公开(公告)日： 2006-02-23
- 发明人: David Love , Stephen Turner , Yun Xu , Edward Cawley
- 申请人： David Love , Stephen Turner , Yun Xu , Edward Cawley
- 主分类号： C22C19/03
- IPC分类号： C22C19/03
摘要：
The invention includes an alloy containing equivalent amounts of nickel and titanium. The alloy has shape memory and a metallic purity of at least about 99.995%, and comprises less than about 200 ppm of gases. The invention also includes an alloy comprising titanium and nickel where the titanium and nickel amounts are non-equivalent. The alloy has shape memory and has a metallic purity of at least 99.995%, and contains less than about 200 ppm of gases. The invention further includes a method of producing a shape memory alloy. Titanium is provided having a metallic purity of at least 99.999% and nickel is provided having a metallic purity of at least 99.99%. The titanium and nickel are combined utilizing at least one melting event independently selected from e-beam melting, vacuum arc melting, vacuum induction melting, induction skull melting and plasma melting.
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