Metal treatment – Process of modifying or maintaining internal physical... – Treating consolidated metal powder – per se
Patent
1994-09-19
1999-10-12
Ip, Sikyin
Metal treatment
Process of modifying or maintaining internal physical...
Treating consolidated metal powder, per se
148690, 148693, 148697, 75229, 75236, 75237, 75249, 419 14, B22F 100
Patent
active
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.
Bryant Timothy Frederick
Dodd Simon Brian
Flitcroft Stephen Mark
Miller William Sinclair
Moreton Roger
Defence Research Agency
Ip Sikyin
The Secretary of State for Defence in Her Britannic Majesty's Go
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