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首页> 外文期刊>Journal of Materials Engineering and Performance >Influence of Indium Trace Addition on the Precipitation Behavior in a 357 Cast Aluminum Alloy
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Influence of Indium Trace Addition on the Precipitation Behavior in a 357 Cast Aluminum Alloy

机译：微量痕量铟对357铸造铝合金中析出行为的影响

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摘要

Effect of indium addition on aging precipitation behavior of 357 cast alloy has been investigated by hardness measurement, differential scanning calorimetry (DSC) and TEM analysis. Age hardening results show that 0.1 wt.% indium addition to 357 cast alloy increases the peak hardness by 20 HV during aging at 160 °C. DSC and TEM analysis results show that indium addition constrains precipitation of GP zones, and enhances precipitation of $upbeta^{primeprime}$ phases. The possible indium atoms participating in the precipitation during aging and the large indium-vacancy binding energy can explain the effect of indium on aging behavior of 357 cast alloy.
机译：通过硬度测量，差示扫描量热法（DSC）和TEM分析研究了铟添加对357铸造合金时效沉淀行为的影响。时效硬化结果表明，向357铸造合金中添加0.1 wt。％的铟会在160°C时效期间将峰值硬度提高20 HV。 DSC和TEM分析结果表明，铟的加入限制了GP区的沉淀，并增强了$ upbeta ^ {primeprime} $相的沉淀。时效过程中可能参与沉淀的铟原子以及较大的铟-空位结合能可以解释铟对357铸造合金时效行为的影响。

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    Guiqing Wang; Qingzhou Sun; Li Shan; Zhongkui Zhao; Liu Yan;

  • 作者单位

    Department of Material Science and Technology Shandong Architectural University Ji’nan 250101 P.R. China;

    Department of Material Science and Technology Shandong Architectural University Ji’nan 250101 P.R. China;

    Jinan Science and Technology Information Research Institute Ji’nan 250062 P.R. China;

    Department of Material Science and Technology Shandong Architectural University Ji’nan 250101 P.R. China;

    Department of Material Science and Technology Shandong Architectural University Ji’nan 250101 P.R. China;

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  • 正文语种 eng
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  • 关键词

    aging behavior; aluminum alloy; precipitates; effect of indium;

    机译：时效行为铝合金沉淀铟的影响;

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