Shape memory alloy
First Claim
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1. A shape memory alloy having a starting temperature at austenite formation above 100°
- C., comprising 41.5 to 54 atomic % Ni, 24 to 42.5 atomic % Ti and 14 to 22 atomic % of at least one element selected from the group consisting of Zr, Hf, and a mixture of Zr and Hf.
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Abstract
A shape memory alloy for repeated use, containing no noble metals. NiTiZr and NiTiZrCu shape memory alloys having As temperature which lies above 100° 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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9 Claims
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1. A shape memory alloy having a starting temperature at austenite formation above 100°
- C., comprising 41.5 to 54 atomic % Ni, 24 to 42.5 atomic % Ti and 14 to 22 atomic % of at least one element selected from the group consisting of Zr, Hf, and a mixture of Zr and Hf.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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