Abstract
AZ31-Mg2Si in situ composites were prepared from AZ31 Mg alloy and Si particles by a gravity casting method. Several parameters, such as Si content, normal load, and environmental temperature, were varied in order to study their effects on the composite dry sliding wear properties. Tensile properties and hardness of the composites were also investigated. The obtained results showed that the wear resistance, yield strength, and hardness of the AZ31-Mg2Si composites increased with size and quantity of the Mg2Si phase. However, when the environmental temperature increased from 25 to 190 °C, the composite wear resistance and ultimate tensile strength gradually decreased due to softening of the AZ31 matrix.
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Acknowledgments
The present research was sponsored by the National Natural Science Foundation of China (NSFC) under Grant Nos. 51404151 and 51374145, Scientific Research and Development Foundation from Jiangxi Academy of Sciences under Grant Nos. 2015-YYB-11 and 2015-XTPH1-11, China Postdoctoral Science Foundation (CPSF) under Grant No. 2014M561466, and Shanghai Postdoctoral Scientific Program under Grant No. 14R21411000.
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Guo, W., Wang, D., Fu, Y. et al. Dry Sliding Wear Properties of AZ31-Mg2Si Magnesium Matrix Composites. J. of Materi Eng and Perform 25, 4109–4114 (2016). https://doi.org/10.1007/s11665-016-2263-5
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DOI: https://doi.org/10.1007/s11665-016-2263-5