1. Main heat treatment parameters
For an alloy of given composition and purity, the main heat treatment parameters are temperature and time (maximum temperature, holding time, cooling rate).
Temperature has an essential (exponential) influence on the rate of diffusion in the solid state. A high temperature helps homogenize compositions by reducing foundry segregations. It also enables residual stresses to be reduced and recrystallization to take place. Finally, it allows the appearance of phases whose nature and composition are specified by the equilibrium diagram, an essential tool for understanding these transformations.
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Main heat treatment parameters
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