Superplastic zinc/aluminum alloy

Details Superplastic zinc/aluminum alloy Superplastic zinc/aluminum alloy

1986-08-22

1988-03-15

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

148441, 420516, 420902, C22C 1804, C22F 116

Patent

active

047311290

ABSTRACT:
A zinc/aluminum alloy feedstock containing 18-30% by weight Al, 0.003-0.2% by wt. Mg, 0.5-2.5% by wt. Cu, 0.02-0.5% by wt. Fe, 0-0.1% by wt. Si, Zn balance (including any impurities) is capable of achieving high plasticity at temperatures of 240.degree. C. or above after being subjected to a multistage heat treatment including an extrusion step.

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