Method of increasing the ductility of articles formed from super

Details Method of increasing the ductility of articles formed from super Method of increasing the ductility of articles formed from super

1980-12-03

1983-05-03

Dean, R.

Metal treatment

Compositions

Heat treating

148 115A, 148437, 420902, C22F 104

Patent

active

043819540

ABSTRACT:
A method of increasing the ductility of articles formed from a superplastic alloy, the superplastic alloy consisting of aluminium, from 5 to 10% by weight of calcium and at most 1% by weight of impurities, characterized in that these articles, after their superplastic forming, are heated for at least 30 minutes to a temperature of between 400.degree. C. and 600.degree. C.

REFERENCES:
patent: 4126448 (1978-11-01), Moore et al.

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