2016 | OriginalPaper | Buchkapitel
Process-Structure-Property Correlations for HPDC AM60B
verfasst von : Pouya Sharifi, Ying Fan, Kumar Sadayappan, Gabriel Birsan, Jeff Wood
Erschienen in: Magnesium Technology 2015
Verlag: Springer International Publishing
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In this paper, we characterize the local micro structure and mechanical properties of an AM60 magnesium alloy high-pressure die-casting in order to further develop predictive process-structure-property models. The casting process is simulated using the commercial code ProCAST™ in order to extract information regarding mold-filling and local solidification conditions including solidification rate and expected levels of shrinkage porosity. This data is used to predict the presence of knit lines, local porosity and the through-thickness variation of grain size (i.e. determination of skin and core thickness). Micro structural data is then used to predict upper and lower bounds on local mechanical properties including yield strength, tensile strength and ductility. A high degree of correlation between predicted and measured mechanical properties is found.