Fe-Ni-Ti-Co alloy with shape memory effect and pseudo-elasticity

Details Fe-Ni-Ti-Co alloy with shape memory effect and pseudo-elasticity Fe-Ni-Ti-Co alloy with shape memory effect and pseudo-elasticity

1985-03-14

1986-05-06

Rutledge, L. Dewayne

Metal treatment

Stock

Mechanical memory

148142, 75123K, 75123M, C22C 3808, C22C 3000

Patent

active

045869693

ABSTRACT:
The disclosed alloy with a shape memory effect and a pseudo-elasticity exhibits a thin-plate martensitic structure, which alloy is made by heating an alloy consisting of 32-34 wt. % of nickel, 3-6 wt. % of titanium, 10-15 wt. % of cobalt and the remainder of Fe to a temperature between 900.degree. C. to 1,200.degree. C. and effecting an aging treatment at a temperature between 500.degree. C. and 800.degree. C. so as to generate a thin-plate martensite.

REFERENCES:
patent: 4204887 (1980-05-01), Masumoto et al.

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