engleski

Study of AlSi7MgCu alloy with improved properties in as-cast state

Designing of new chemical composition of AlSi7MgCu alloy with extra addition of Cu represents a challenge in order to achieve advanced mechanical properties already in as- cast state. A wide range of complex reactions and intermetallic phases occurs due to numerous alloying (Si, Mg, Cu) and trace elements (Fe, Mn) interaction. Exact determination of alloy behaviour was performed by modelling of equilibrium phase diagram and metallographic investigations. Wide spectra of favourable intermetallic phases enable an overview of theirs strong influence comprehending to the mechanical properties development already in as- cast state.

AlSi7MgCu alloy, copper, microstructure, solidification sequence, mechanical properties

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