An Inverse Model to determine the Heat Transfer Coefficient and its Evolution with Time during Solidification of Light Alloys

Abstract : Infra-red probes linked to pyrometric chains and thermocouple arrays have been used to accurately determine both casting and die surface temperatures during the solidification of an aluminium A380 alloy and the magnesium alloy AZ91D. An inverse model was then used to accurately determine the heat flux densities and interfacial heat transfer coefficients and the rapid evolution of these values with time during high pressure die casting of these alloys.
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M. Dargusch, Anwar Hamasaiid, Gilles Dour. An Inverse Model to determine the Heat Transfer Coefficient and its Evolution with Time during Solidification of Light Alloys. International Journal of Nonlinear Sciences and Numerical Simulation, 2008, 9 (3), p.275-282. ⟨10.1515/IJNSNS.2008.9.3.275⟩. ⟨hal-01661801⟩

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