Method for toughening treatment of metallic material

Details Method for toughening treatment of metallic material Method for toughening treatment of metallic material

1977-03-10

1979-02-20

Stallard, W.

Metal treatment

Compositions

Heat treating

148 127A, 148137, C22F 104

Patent

active

041405536

ABSTRACT:
A method for providing a toughening treatment for metallic material in which the metallic material is subjected to a transformation super-plastic treatment by applying a mechanical load to said material while placing the same under a triangular-wave temperature cycle passing over a transformation point of the metallic material.

REFERENCES:
patent: 1946545 (1934-02-01), Pessel
patent: 3337376 (1967-08-01), Grange
patent: 3438822 (1969-04-01), Allen
patent: 3459599 (1969-08-01), Grange
patent: 3748197 (1973-07-01), Willson et al.
patent: 3857741 (1974-12-01), Hultgren et al.
patent: 3951697 (1976-04-01), Sherby et al.
patent: 3986898 (1976-10-01), Oshida
patent: 3998665 (1976-12-01), Oshida
patent: 4045254 (1977-08-01), Deguchi
Kaibyshev et al., Metallovedenie i Termicheskaya Obrabotko Metallov. No. 4; pp. 66 and 67; Apr. 1973.
Nitton Kinzoku Gakkai SHI, vol. 35, 1971, "Superplastic Phenomenon which is Obtained ... Within Ferrite Austenite Coexistence Region", pp. 1063-1066.
Weiss, V.; Metall 23, Dec. 1969, pp. 1264-1269.
Metal Abstracts; Jul.-Dec. 1972; Abstract No. 31-1846.

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