Method of processing a nickel/titanium-based shape memory alloy and article produced therefrom
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United States of America Patent
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Dec 23, 1986
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N/A
app pub date -
Nov 6, 1984
filing date -
Nov 6, 1984
priority date (Note) -
Expired
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Abstract
There is disclosed a method of processing a nickel/titanium-based shape memory alloy. The method comprises overdeforming the alloy so as to cause at least some amount of nonrecoverable strain, temporarily expanding the transformation hysteresis by raising the austenite transformation temperature, removing the applied stress and then storing the alloy at a temperature less than the new austenite transition temperature. There is also disclosed an article produced from this method.
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