Cast aluminum alloy and tooling fixture therefrom

Details Cast aluminum alloy and tooling fixture therefrom Cast aluminum alloy and tooling fixture therefrom

1993-10-04

1994-08-16

Andrews, Melvyn J.

Alloys or metallic compositions

Aluminum base

Copper containing

148417, C22C 2110, C22C 2112

Patent

active

053385101

ABSTRACT:
A cast aluminum alloy and tooling fixture fabricated therefrom is provided which can be produced in thicknesses up to 32.0 inches; and which has equiaxed grains, an ultimate tensile strength above 30,000 psi after annealing, is dimensionally stable, and is free from porosity. The alloy has a nominal composition of 3.0% copper, 2.2% zinc, 0.7% nickel, 1.0% magnesium, 1.2% iron, 0.3% manganese, and balance aluminum. The alloy is direct water chill cast followed by a stress relieving anneal.

REFERENCES:
patent: 2357452 (1944-09-01), Bonsack
patent: 4169728 (1979-10-01), Takeuchi et al.

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