Method of treatment of metal matrix composites

Metal treatment – Process of modifying or maintaining internal physical... – Treating consolidated metal powder – per se

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148690, 148693, 148697, 75229, 75236, 75237, 75249, 419 14, B22F 100

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059649674

ABSTRACT:
A treatment process for a composite comprising a matrix of a precipitation hardenable aluminum alloy and a particulate or short fiber ceramic reinforcement. The process includes hot and/or cold working the composite, subjecting the composite to a controlled heating step in which the composite is raised from ambient temperature to a temperature of from 250 to 450.degree. C. at a rate of temperature increase less than 1000.degree. C. per hour, and subjecting the resulting heat treated composite to a solution treating step.

REFERENCES:
patent: 4265676 (1981-05-01), Nes et al.
patent: 4358324 (1982-11-01), Mahoney et al.
patent: 5066342 (1991-11-01), Rioja et al.
English language abstract of JP 59126762 "Heat Treatment of pptn . . . " Jul. 1984.
English language abstract of JP 58181851 "Aluminum Alloy with . . . " Oct. 1983.

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