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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Craig Wojcik0
Date of Patent
December 8, 2009
Patent Application Number
11676348
Date Filed
February 19, 2007
Patent Primary Examiner
Patent abstract
Embodiments of the present invention provide methods of processing nickel-titanium alloys including from greater than 50 up to 55 atomic percent nickel to provide a desired austenite transformation temperature and/or austenite transformation temperature range. In one embodiment, the method comprises selecting a desired austenite transformation temperature, and thermally processing the nickel-titanium alloy to adjust an amount of nickel in solid solution in a TiNi phase of the alloy such that a stable austenite transformation temperature is reached, wherein the stable austenite transformation temperature is essentially equal to the desired austenite transformation temperature.
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