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Effect of modification and aging treatment on mechanical properties of Mg_2Si/Al composite

机译：改性和时效处理对Mg_2Si / Al复合材料力学性能的影响

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摘要

The effect of modification and aging treatment on mechanical property of Mg_2Si/Al composite was investigated. It was showed that the primary Mg_2Si phase changed from dendrite to polygon, while the eutectic phase changed to fine dot-like after the composites were modified and aged. The peak-aged unmodified composite had an ultimate tensile strength (UTS) of 190 Mpa with an elongation of 1.08%. While the UTS of the modified composite was 249 Mpa with an elongation of 1.35%. The tensile strength and elongation of modified composites increased 31.1 % and 25%, respectively. The reasons for that increase are discussed.
机译：研究了改性和时效处理对Mg_2Si / Al复合材料力学性能的影响。结果表明，复合材料经时效处理后，初生Mg_2Si相从枝晶转变为多边形，而共晶相转变为细点状。峰值时效的未改性复合材料的极限拉伸强度（UTS）为190 Mpa，伸长率为1.08％。改性复合材料的UTS为249 Mpa，伸长率为1.35％。改性复合材料的拉伸强度和伸长率分别提高了31.1％和25％。讨论了增加费用的原因。

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  • 来源
    《Materials Science and Engineering》 |2010年第9期|2253-2257|共5页
  • 作者

    Q.D. Qin; W.X. Li; K.W. Zhao; S.L. Qiu; Y.G. Zhao;

  • 作者单位

    Aluminium Electrolysis and Carbon Research Laboratory, Zhengzhou Research Institute of Chalco, No. 82,Jiyuan Road, Shangjie District, Zhengzhou, Henan Province 450041, PR China;

    Aluminium Electrolysis and Carbon Research Laboratory, Zhengzhou Research Institute of Chalco, No. 82,Jiyuan Road, Shangjie District, Zhengzhou, Henan Province 450041, PR China;

    Jiangxi Electric Power Research Institute, Nanchang 330096, PR China;

    Aluminium Electrolysis and Carbon Research Laboratory, Zhengzhou Research Institute of Chalco, No. 82,Jiyuan Road, Shangjie District, Zhengzhou, Henan Province 450041, PR China;

    Department of Materials Science & Engineering, Jilin University, Changchun 130025, PR China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Mg_2Si/Al composites; modification; aging treatment; microstructure; mechanical property;

    机译：Mg_2Si / Al复合材料;修改;时效处理微观结构机械性能;

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