Investment casting of AZ91HP Magnesium Alloy

This paper describes AZ91HP magnesium alloy investment casting. The aim of this study is to optimize the process for magnesium investment casting. Special attention was given to evaluating the thermal stability of oxides against molten AZ91HP magnesium alloy. The oxides examined included CaO, caZrO3...

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Bibliographic Details
Published inMetals and materials international Vol. 6; no. 3; pp. 275 - 279
Main Authors Shaek Wang Kim, Myoung Gyun Kim, Tae Whan Hon, Hee Kook Kim, Young Jig Kim
Format Journal Article
LanguageKorean
Published 대한금속재료학회 01.06.2000
Subjects
casting and mold temperatures
investment casting
metal/mold reaction
prain-refining
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Summary:This paper describes AZ91HP magnesium alloy investment casting. The aim of this study is to optimize the process for magnesium investment casting. Special attention was given to evaluating the thermal stability of oxides against molten AZ91HP magnesium alloy. The oxides examined included CaO, caZrO3, and silica bonded Al2O3 and ZrSiO4. Also, the microstructural features of the as-cast alloy were investigated, and the effect of the processing parameters on the microstructure and mechanical properties were evaluated describing the grain size, hardness and ultimate tensile strength of the as-cast alloy.
Bibliography:The Korean Institute of Metals and Materials
ISSN:1598-9623
2005-4149