Aluminum alloy for use in castings

Details Aluminum alloy for use in castings Aluminum alloy for use in castings

1996-07-30

1999-11-23

Ip, Sikyin

Alloys or metallic compositions

Aluminum base

Copper containing

420533, 148417, 148439, C22C 2108

Patent

active

059894954

ABSTRACT:
An aluminum alloy for use in castings, comprising 0.0005-0.01 weight % of Fe, 0.0005-0.01 weight % of Si, 2.5-6.5 weight % of Cu, 0.10-0.50 weight % of Mg, 0.001-0.40 weight % of Mn, 0.10-0.50 weight % of Ti, 0.20-1.2 weight % of Ag, 0.002-0.01 weight % of B, no more than 0.01 weight % of any other individual component aside from Al, and the balance Al. The aluminum alloy is thereby designed to provide improved toughness without detracting from tensile strength, proof stress, and hardness.

REFERENCES:
patent: 3925067 (1975-12-01), Sperry et al.
patent: 4867805 (1989-09-01), Agrawal et al.
patent: 5211910 (1993-05-01), Pichens et al.
patent: 5593516 (1997-01-01), Cassada
CA 113:63797, Aug. 1985.

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