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Effect of Zn on the microstructure and mechanical properties of Mg–Si alloy

✍ Scribed by Erlin Zhang; Xushu Wei; Lei Yang; Jianwei Xu; Chunmei Song

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
903 KB
Volume
527
Category
Article
ISSN
0921-5093

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✦ Synopsis

Microstructure and mechanical properties of Mg-0.6Si-xZn alloys (x = 0-1.6 wt%) were investigated to reveal the modification effect of Zn on the morphology of eutectic Mg 2 Si. It was found 0.5-1.3 wt% Zn effectively modified the morphology of eutectic Mg 2 Si from laminated structure to fine fiber, and in turn improved significantly the mechanical properties of Mg-Si alloy. Further increase in Zn content changed Mg 2 Si from fine fiber to Chinese script shape. It was suggested that the Zn content should not exceed 1.5 wt% in Mg-Si-Zn alloy in order to get good mechanical properties.

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