Shape memory alloy and method for producing same

Details Shape memory alloy and method for producing same Shape memory alloy and method for producing same

1987-03-17

1988-10-25

Yee, Deborah

Metal treatment

Compositions

Heat treating

148 12R, 148402, 148329, C21D 800, C22C 3804

Patent

active

047801549

ABSTRACT:
A known Ti-Ni based and Cu-based shape memory alloy can be replaced by an Fe-based shape memory alloy. An excellent shape memory effect is attained by an Fe-based shape memory alloy with an Mn content of 20% to 40% and an Si content of 3.5% to 8%.

REFERENCES:
patent: 3989551 (1976-11-01), Brook et al.
patent: 3989552 (1976-11-01), Brook et al.
Chemical Abstracts, vol. 100, No. 26, Jun. 25, 1984, p. 237, NO. 213858f, Columbus, Ohio, U.S.; A. Sato et al.: "Orientation and Composition Dependencies of Shape Memory Effect in Iron-Manganese-Silicon Alloys" & Acta Metall. 1984, 32(4), 539-47.
"Summary of General Lecture in Autumn Congress of Japan Institute for Metal", Oct. 1984, p. 550, No. 692.
Acta Metallurgica, "Orientation and Composition Dependencies of Shape Memory Effect in Fe-Mn-Si Alloys", vol. 32, No. 4, pp. 539-545 (1984), A. Sato et al.

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