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Shape memory alloy and electric path protective device utilizing the alloy

  • US 5,001,446 A
  • Filed: 07/21/1989
  • Issued: 03/19/1991
  • Est. Priority Date: 08/01/1988
  • Status: Expired due to Term
First Claim
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1. A shape memory alloy comprising essentially of 6-12 at. % copper, 49-51 at. % titanium and nickel, said alloy having been cold worked at a rate of 10-14% and heat treated at a temperature within a range of 350°

  • -500°

    C. and below a recrystallization point of the alloy, for memorizing the shape.

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