A shape memory alloy consists of a three element alloy of nickel-titanium-copper which is formed as being subjected to a cold working and to a heat treatment at a temperature below recrystallization point of the alloy for storing the shape, the alloy being thereby improved in operation stability and...http://www.google.fr/patents/US5001446?utm_source=gb-gplus-shareBrevet US5001446 - Shape memory alloy and electric path protective device utilizing the alloy
Shape memory alloy and electric path protective device utilizing the alloy
