Patents Assigned to Nitinol Devices and Components
  • Shape memory alloy treatment
    Patent number: 5843244
    Abstract: A method of treating a component formed from a Ni--Ti based shape memory alloy, so that the component exhibits superelasticity, comprises cold working the component, annealing the alloy while the component is restrained in the configuration resulting from the cold working step, and exposing the component to a temperature that is less than the solvus temperature of the alloy and greater than the temperature to which it is exposed in the annealing step to cause the A.sub.f temperature to be reduced.
    Type: Grant
    Filed: June 13, 1996
    Date of Patent: December 1, 1998
    Assignee: Nitinol Devices and Components
    Inventors: Alan Pelton, Thomas Duerig