Abstract
Present work endeavours to understand the solidification behaviour in conventional direct chill casting (C-DC) of aluminium alloy billets. The simulations were generated for C-DC and MC–DC (melt-conditioned) processes. For the first time, COMSOL Multiphysics has been successfully used to simulate the heat flow in C-DC casting of Al-alloy billet. The results show that the temperature gradient in the sump is minimised in the case of MC–DC when compared with C-DC. The simulation results also revealed the effect of casting speed on the sump profile in both the cases.
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