发明授权
- 专利标题： Gamma titanium aluminum alloys modified by chromium and silicon and method of preparation
- 专利标题（中）： 由铬和硅改性的伽马钛铝合金及其制备方法
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申请号： US373078申请日： 1989-06-29
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公开(公告)号： US5045406A公开(公告)日： 1991-09-03
- 发明人: Shyh-Chin Huang
- 申请人： Shyh-Chin Huang
- 申请人地址： NY Schenectady
- 专利权人： General Electric Company
- 当前专利权人： General Electric Company
- 当前专利权人地址： NY Schenectady
- 主分类号： F01D5/28
- IPC分类号： F01D5/28 ; C01B31/36 ; C22B9/20 ; C22C14/00 ; C22C47/00 ; C22C49/00 ; C22C49/06 ; C22C49/11 ; C22F1/00 ; C22F1/18 ; F01D25/24
摘要：
A TiAl composition is prepared to have high strength, high oxidation resistance and to have acceptable ductility by altering the atomic ratio of the titanium and aluminum to have what has been found to be a highly desirable effective aluminum concentration by addition of chromium and silicon according to the approximate formula Ti.sub.48 Al.sub.48 Cr.sub.2 Si.sub.2.
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