Method for inducing superplastic properties in nonsuperplastic m

Details Method for inducing superplastic properties in nonsuperplastic m Method for inducing superplastic properties in nonsuperplastic m

1982-03-24

1983-03-15

Stallard, W.

Metal treatment

Compositions

Heat treating

C22F 100

Patent

active

043766609

ABSTRACT:
A method for inducing superplastic properties in nonsuperplastic materials, metals or alloys, by mixing in powder form, the nonsuperplastic material with a second alloy having superplastic characteristics. The powder mixture is compacted into a billet and superplastically formed. The grain boundaries of the nonsuperplastic material are subsequently restored by heating the formed billet to a temperature slightly below the melting point of the second alloy.

REFERENCES:
patent: 3591916 (1971-07-01), Arthur
patent: 3649375 (1972-03-01), Venkatesan
patent: 3862863 (1975-01-01), Gervais et al.
patent: 3997369 (1976-12-01), Grimes et al.

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