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The solidification process of Zinc alloy is modelled by solving heat transfer equations with the aid of finite element method (FEM) using appropriate boundary conditions at the mould walls. The commercial software, Matlab, has been used to model the solidification process. The temperature profiles for each casting condition were determined. The model demonstrated capability in predicting accurately the location as well as the shapes of heat centres in any casting. The calculated shapes of the heat centers are in good agreement with experimental results for the various casting conditions. The FEM modelling also serves as useful tool for designing feeders for the heat centres.

Key words: finite element, modelling, zinc alloy, heat transfer process

Nig. J. of Pure & Appl. Physics Vol.3 2004: 21-27