Superplastic aluminum alloy products and method of preparation

Details Superplastic aluminum alloy products and method of preparation Superplastic aluminum alloy products and method of preparation

1977-03-31

1978-11-21

Dean, R.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

295277, 75141, 148 2, 148 115A, 148 32, C22C 2110

Patent

active

041264487

ABSTRACT:
Aluminum alloy products having superplastic properties are prepared by casting an aluminum alloy containing calcium and zinc in near-eutectic proportions under conditions that develop a eutectic cast structure of fine Ca-Zn-Al intermetallic rods, and working the cast alloy mass to break up the rods into particles having an average diameter of less than two microns.

REFERENCES:
patent: 1932836 (1933-10-01), Wood et al.
patent: 3989548 (1976-11-01), Morris

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