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The research of the microstructure and properties ofMg-8Sn alloy prepared by SPS
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    Abstract:

    Based on the better strength, corrosion resistance and plastic processing of Mg-8Sn alloy, Mg-8Sn alloy was prepared successfully in 530～590 ℃ by spark plasma sintering (SPS) in this paper. The microstructures, phases, mechanical properties and corrosion resistance were investigated. The research results showed that the microstructure consisted of α-Mg and Mg2Sn phases, while Mg2Sn was generated at the interface of Mg and Sn. The highest bending strengh of Mg-8Sn-1Zn-1Al was 215 MPa which was obtained at 570 ℃. The best corrosion resistance of Mg-8Sn-1Zn-1Al was obtained at 590 ℃, of which the corrosion potential and the corrosion current were respectively -1.5218 V, 1.9632×10-5 A/cm2. That was because Mg2Sn was existed at particles bonding interface, which had protective effects on α-Mg.

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[liufangfang, wangwenxian, chenhongsheng, zhangyuanqi. The research of the microstructure and properties ofMg-8Sn alloy prepared by SPS[J]. Rare Metal Materials and Engineering,2018,47(7):2159~2165.]
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History
  • Received:July 12,2016
  • Revised:September 14,2016
  • Adopted:October 18,2016
  • Online: October 10,2018

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