Al-4 wt% Cu, over aged alloy
Prolonged heat treatment above 150°C to 200°C has led to the evolution of the stable CuAl2 phase (θ). The CuAl2 phase is visible at high magnifications. It does not contribute to the strength of the alloy and the over aged aluminium has poor mechanical properties.
aged, alloy, aluminium, copper, hardening, heat treatment, metal, quenching, vacancy, doitpoms, university of cambridge, micrograph, corematerials, ukoer, Engineering, H000
Publisher: University of Manchester
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