Ultrafine grain Al-Mg alloy product

Details Ultrafine grain Al-Mg alloy product Ultrafine grain Al-Mg alloy product

1975-07-07

1977-05-03

Dean, R.

Metal treatment

Compositions

Heat treating

75141, 75142, 75146, 75147, 148 115A, 148 32, C22F 104

Patent

active

040212718

ABSTRACT:
This invention is directed to an Al-Mg alloy product containing about 0.75-5% aluminide forming transition elements, such as iron, cobalt and nickel. After cold working, the alloy product readily recrystallizes at elevated temperatures to an average grain size less than 15 microns, usually 11 microns or less to provide high mechanical properties and a degree of superplasticity.

REFERENCES:
patent: 1932838 (1933-10-01), Dean et al.
patent: 2184693 (1939-12-01), Beck et al.
patent: 3807969 (1974-04-01), Schoerner et al.

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