Solution Heat TreatmentSolution treatment involves the heating of a component to a high temperature in order to dissolve second phase particles and compounds present in the microstructure into solid solution. Solution heat treatment is used to modify the microstructure of an alloy system. It involves heating an alloy to a sufficiently high temperature so that elements or compounds present in the microstructure are taken into 'solid solution'. Quenching, that is rapid cooling from temperature, is used to retain these elements or compounds in solution. Frequently, an age hardening treatment is used after solution treatment to re-harden the alloy microstructure in a controlled manner.
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