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Nickel-Titanium-Based Superelastic High-Temperature Shape Memory Alloys

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
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Shape memory alloys containing Ni, Ti, and Pt or Pd display superelastic behavior. The superelasticity was shown in a range of temperatures around the austenite finish shape memory transformation temperature. The superelasticity range was approximately C. for these alloys. Shape memory alloys that exhibit superelasticity at high temperatures will enable a new class of mechanical sensors and actuators.
Susan, Donald F. (Albuquerque, NM), McElhanon, James R. (Albuquerque, NM), Buchheit, Thomas E. (Albuquerque, NM), Massad, Jordan E. (Albuquerque, NM), DeBassige, John R. (Albuquerque, NM), Bradley, Donald R. (Albuquerque, NM), Reece, Mark (Albuquerque, NM), Noebe, Ronald D. (Medina, OH)
14/ 490,180
September 18, 2014
STATEMENT OF GOVERNMENT INTEREST [0002] This invention was made with Government support under contract no. DE-AC04-94AL85000 awarded by the U.S. Department of Energy to Sandia Corporation. The Government has certain rights in the invention.