| 摘要 |
Disclosed is a method of heat treating an aluminium alloy member having a main surface, including the steps of (a) subjecting the member to a solution heat treatment (b) quenching the member and (c) reheating the member in a pre-ageing heat treatment step. The pre-ageing heat treatment is conducted by holding the aluminium alloy member close to a heating plate. Also disclosed is a product produced according to this method, and to an apparatus for performing the pre-ageing heat treatment.
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