C - Chemistry – Metallurgy – 22 – F
Patent
C - Chemistry, Metallurgy
22
F
C22F 1/04 (2006.01) C22C 1/10 (2006.01) C22F 1/057 (2006.01)
Patent
CA 2042457
A treatment process for a composite comprising a matrix of a precipitation hardenable aluminium alloy and a particulate or short fibre ceramic reinforcement, which comprises a hot and/or cold working step and a subsequent solution treating step; characterised in that, after the hot and/or cold working step and before the solution treating step, a controlled heating step is applied in which the composite is raised from ambient temperature to a temperature of from 250 to 450°C, the rate of temperature increase being less than 1000°C per hour.
Bryant Timothy F.
Dodd Simon B.
Flitcroft Stephen M.
Miller William S.
Moreton Roger
Aerospace Metal Composites Ltd
Fetherstonhaugh & Co.
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