Method for toughening treatment of metallic material

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

1974-12-30

1977-08-30

Stallard, W.

Metal treatment

Compositions

Heat treating

148 12C, 148 12E, 148 12EA, 148131, C21D 714

Patent

active

040452549

ABSTRACT:
A method for providing a toughening treatment for metallic material is herein described, which method is characterized in that 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.

REFERENCES:
patent: 1946545 (1934-02-01), Pessel
patent: 3337376 (1967-08-01), Grange
patent: 3438822 (1969-04-01), Allen
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
Metal Abstracts July-Dec. 1972 Abstract No. 31-1846.

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