2014•Applied Mechanics and MaterialsOpen access

Microstructure and Mechanical Properties of Mg-9Gd-2Y-1Sm-0.5Zr Alloy

Xiao Ya Chen, Quan An Li, Hui Zhen Jiang, Lei Lei Chen

Abstract

The microstructure and mechanical properties of Mg-9Gd-2Y-1Sm-0.5Zr alloy have been studied by micro-analysis and tensile tests. The results showed that the alloy mainly consists of α-Mg matrix, Mg5Gd and Mg24Y5. With the increase of temperature, the tensile strength of the alloy increases at first and then decreases, and the peak appears at 250°C.

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Key concepts: Microstructure, Alloy, Ultimate tensile strength, Materials science, Matrix (chemical analysis), Metallurgy, Composite material