- 专利标题： MEDICAL Au-Pt-Pd ALLOY
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申请号： US18081322申请日： 2022-12-14
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公开(公告)号： US20230113633A1公开(公告)日： 2023-04-13
- 发明人: Michimasa OKUBO , Kenji GOTO , Kunihiro TANAKA , Kojiro SHIRAISHI , Kunihiro SHIMA , Yuya KATO , Kenichi HAMADA , Eiichi HONDA , Emi TAKEGAWA
- 申请人： TANAKA KIKINZOKU KOGYO K.K. , TOKUSHIMA UNIVERSITY
- 申请人地址： JP Tokyo; JP Tokushima-shi
- 专利权人： TANAKA KIKINZOKU KOGYO K.K.,TOKUSHIMA UNIVERSITY
- 当前专利权人： TANAKA KIKINZOKU KOGYO K.K.,TOKUSHIMA UNIVERSITY
- 当前专利权人地址： JP Tokyo; JP Tokushima-shi
- 优先权： JP2019-175204 20190926
- 主分类号： C22C5/02
- IPC分类号： C22C5/02 ; A61L29/02 ; A61L31/02 ; C22F1/14
摘要：
The present invention relates to a medical Au-Pt-Pd alloy including Au, Pt,Pd, and inevitable impurities. The Au-Pt-Pd alloy has an alloy compositioninside a polygon (A1-A2-A3-A4) surrounded by straight lines connected at pointA1 (Au: 53 atom%, Pt: 4 atom%, and Pd: 43 atom%), point A2 (Au: 70 atom%,Pt: 4 atom%, and Pd: 26 atom%), point A3 (Au: 69.9 atom%, Pt: 30 atom%, and Pd: 0.1 atom%), and point A4 (Au: 49.9 atom%, Pt: 50 atom%, and Pd: 0.1 atom%) in a Au-Pt-Pd ternary state diagram. In a metal structure of the alloy, at least one of a Au-rich phase and a Pt-rich phase is distributed, and the total of the area ratio of the Au-rich phase and the area ratio of the Pt-rich phase is 1.5% or more and 25.4% or less.
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