Microstructure and mechanical property of Mg-8.31Gd-1.12Dy-0.38Zr alloy

作者: Qiuming Peng , Hanwu Dong , Lidong Wang , Yaoming Wu , Limin Wang

DOI: 10.1016/J.MSEA.2007.05.081

关键词: Vickers hardness testPrecipitation hardeningHardnessMaterials scienceUltimate tensile strengthAlloyMetallurgyAnnealing (metallurgy)Atmospheric temperature rangeMicrostructure

摘要: The Mg-8.31Gd-1.12Dy-0.38Zr (mass%) alloy was prepared by casting technology, and the microstructure, age hardening behavior mechanical property have been investigated. It is noted that alpha-Mg different Mg-RE (RE = Gd/Dy) compounds are subsistent in as-cast annealed state samples. observed during investigated temperature range, exhibits high Vickers hardness, excellent ultimate tensile strength yield at peak hardness.

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