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Dissertation
Effect of heat treatment and iron content on the microstructure and mechanical properties of a secondary Al-Si-Cu alloy
(2019-05)
In this work the effect of heat treatments on the microstructure and mechanical properties of a secondary Al-Si-Cu alloy is studied. A Design of Experiments (DoE) was developed in order to optimize the heat treatment parameters and analyze the dissolution and fragmentation of the iron-rich inclusions as well as the improvement of the mechanical properties by non-equilibrium heat treatments. The iron-rich intermetallic inclusions were characterized as-cast and after heat treatment both by two-dimensional metallography ...