Invention Grant
- Patent Title: Cast gamma titanium aluminum alloys modified by chromium, niobium, and silicon, and method of preparation
- Patent Title (中): 由铬，铌和硅改性的γ型钛铝合金及其制备方法
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Application No.: US801556Application Date: 1991-12-02
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Publication No.: US5264051APublication Date: 1993-11-23
- Inventor: Shyh-Chin Huang
- Applicant: Shyh-Chin Huang
- Applicant Address: NY Schenectady
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: NY Schenectady
- Main IPC: C22C14/00
- IPC: C22C14/00 ; C22F1/00 ; C22F1/18
Abstract:
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, niobium, and silicon according to the approximate formula Ti-Al.sub.45 Cr.sub.2 Si.sub.2 Nb.sub.4.
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