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Numerical Simulation of Solidification and Prediction of Mechanical Properties in Magnesium Alloy Casting

Identifieur interne : 000054 ( Main/Exploration ); précédent : 000053; suivant : 000055

Numerical Simulation of Solidification and Prediction of Mechanical Properties in Magnesium Alloy Casting

Auteurs : Mehdi Farrokhnejad [Canada] ; Anthony G. Straatman [Canada] ; Jeffrey T. Wood [Canada]

Source :

Mots-clés :

Abstract

In this paper, a volume-averaged numerical formulation combined with experimentally derived correlations is used to predict the local cooling rate, grain size (GS), and yield strength of a wedge-shaped magnesium casting. The predicted cooling rates and experimental correlations are used to predict the local GS. To predict the average yield strength, the GS and thickness of the skin and core regions are taken into account. Results are shown to be in good accordance with previously reported experimental data.


Affiliations:


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Le document en format XML

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<div type="abstract" xml:lang="en">In this paper, a volume-averaged numerical formulation combined with experimentally derived correlations is used to predict the local cooling rate, grain size (GS), and yield strength of a wedge-shaped magnesium casting. The predicted cooling rates and experimental correlations are used to predict the local GS. To predict the average yield strength, the GS and thickness of the skin and core regions are taken into account. Results are shown to be in good accordance with previously reported experimental data.</div>
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