Shape memory alloy
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United States of America Patent
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Apr 28, 1992
Grant Date -
N/A
app pub date -
Jul 24, 1990
filing date -
Aug 12, 1989
priority date (Note) -
Expired
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Abstract
A shape memory alloy for repeated use, containing no noble metals. NiTiZr and NiTiZrCu shape memory alloys having A.sub.s temperature which lies above 100.degree. C. are disclosed. These shape memory alloys have the following composition: 41.5 to 54 atomic % Ni; 24 to 42.5 atomic % Ti and 7.5 to 22 atomic % Zr.
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