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Journal of Materials Engineering and Performance

Published in:

01-12-2007

Influence of Indium Trace Addition on the Precipitation Behavior in a 357 Cast Aluminum Alloy

Authors: Guiqing Wang, Qingzhou Sun, Li Shan, Zhongkui Zhao, Liu Yan

Published in: Journal of Materials Engineering and Performance | Issue 6/2007

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Abstract

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

https://static-content.springer.com/image/art%3A10.1007%2Fs11665-007-9086-3/MediaObjects/11665_2007_9086_IEq1.gif

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.

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Title: Influence of Indium Trace Addition on the Precipitation Behavior in a 357 Cast Aluminum Alloy
Authors: Guiqing Wang
Qingzhou Sun
Li Shan
Zhongkui Zhao
Liu Yan
Publication date: 01-12-2007
Publisher: Springer US
Published in: Journal of Materials Engineering and Performance / Issue 6/2007
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-007-9086-3

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