Papers by Keyword: ZM5

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Research Materials of Chills Effect on the Solidification Process of ZM5 Shell

Authors: Si Cong Zhao, Er Jun Guo, Li Ping Wang

Abstract: A commercial software, MAGMASOFT, was used to simulate the ZM5 shell with different materials of chills. The calculated results of solidification are obtained. Shrinkage porosity is predicted by means of a built-in porosity criterion. It shows that using the different materials of chills, such as copper, gray iron and steel, a large amount of shrinkage porosity defects are formed in ZM5 shell. However, with graphite as the material of chills, shrinkage porosity defects of ZM5 shell can be effectively reduced.

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Phosphoric Conversion Coating and Chromic Conversion Coating for Die-Cast Magnesium Alloy ZM5

Authors: Yong Hu, Nan Du, Qing Zhao, Ya Zhou, Linggang Meng

Abstract: In the present paper, phosphoric and chromic conversion coatings were prepared for the die-cast magnesium alloy ZM5. Both two kinds of chemical converting coatings are of evident corrosion resistance. Their compositions, morphologies and crystal characteristics were discussed.

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