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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. percent indium addition to 357 cast alloy increases the peak hardness by 20 HV during aging at 160 deg C. DSC and TEM analysis results show that indium addition constrains precipitation of GP zones, and enhances precipitation of beta" 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。时效硬化结果显示为0.1重量％。 DSC和TEM分析结果表明，铟添加到357铸造合金中的百分比增加了160℃时效期间的峰值硬度，增加了20HV。DSC和TEM分析结果表明，铟添加会限制GP区的析出，并增强β“相的析出。时效过程中的析出和较大的铟-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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