Method of producing superplastic aluminum sheet

Details Method of producing superplastic aluminum sheet Method of producing superplastic aluminum sheet

1982-12-17

1984-12-04

Dean, R.

Metal treatment

Compositions

Heat treating

420902, C22F 104

Patent

active

044862440

ABSTRACT:
The use of a sequentially applied warm working/cold working procedure in the conventional steps of preparing heat treatable superplastic alloys yields material which demonstrates substantially equiaxed fine grain structure and improved superplastic forming characteristics.

REFERENCES:
patent: 3219491 (1965-11-01), Anderson et al.
patent: 3219492 (1965-11-01), Anderson et al.
patent: 3836405 (1974-09-01), Staley et al.
patent: 3845551 (1974-11-01), Kunsman
patent: 3847681 (1974-11-01), Waldman et al.
patent: 4021271 (1977-05-01), Roberts
patent: 4092181 (1978-05-01), Paton et al.
patent: 4126448 (1978-11-01), Moore et al.
patent: 4222797 (1980-09-01), Hamilton et al.

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