Optimization of Cu content for the development of high-performance T5-treated thixo-cast Al–7Si–0.5Mg–Cu (wt.%) alloy

Volume: 93, Pages: 178 - 190
Published: Dec 1, 2021
Abstract
Cu content has been successfully optimized in a thixo-cast and directly aged (T5-treatment) Al–7Si–0.5Mg (wt.%) alloy. Even after the 0.5% Cu addition, plate-like Al2Cu (θ’) phases, which contribute to high strengths and large plasticity, are precipitated. The formation of a large fraction of Cu-containing brittle phases could be suppressed as well. Then, the Al–7Si–0.5Mg–0.5Cu alloy exhibits high ultimate tensile strength, 0.2% proof stress,...
Paper Details
Title
Optimization of Cu content for the development of high-performance T5-treated thixo-cast Al–7Si–0.5Mg–Cu (wt.%) alloy
Published Date
Dec 1, 2021
Volume
93
Pages
178 - 190
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