Shape memory alloy and electric path protective device utilizing

Details Shape memory alloy and electric path protective device utilizing Shape memory alloy and electric path protective device utilizing

1989-07-21

1991-03-19

Dean, R.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

148 115R, 148402, 148442, 337140, H01H 7118

Patent

active

050014463

ABSTRACT:
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 reliability even after repetitive operation and made wider in environmental temperature range for use therein of the alloy.

REFERENCES:
patent: 4205293 (1980-05-01), Melton et al.

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