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Study on the Hot Deformation Behavior and Microstructure Evolution of Cu-Cr-In Alloy

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Abstract

Based on the hot compressive tests in the temperature range of 700-900 °C and strain rate range of 0.01-10 s−1, the hot deformation behavior of a Cu-Cr-In alloy was investigated. The true stress–strain curves of the alloy were obtained, and a constitutive equation for the alloy was established by the method of equivalent stress. The processing maps were constructed based on the constitutive equation, and the microstructural evolutions were analyzed and correlated with the processing maps. The results show that the true stress of the alloy increased with decreasing strain rate and decreased with increasing temperature. The microstructures of the alloy deformed under different conditions were in good accordance with the processing maps results. According to the processing maps and the microstructures of the alloy with true strains of 0.4 and 0.8, the optimal hot deformation conditions lie in the range of 850-900 °C and strain rate range of 0.01-0.1 s−1.

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Acknowledgments

This work is financially supported by the National Key Research and Development Program of China (Grant No. 2016YFB0301400). Thanks are also given to Dr. Liang Qi and Dr. Wenjing Wang for their help.

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Authors and Affiliations

  1. Institute of Engineering Research, Jiangxi University of Science and Technology, Ganzhou, 341000, Jiangxi, People’s Republic of China

    Huiming Chen, Haigen Wei, Weibin Xie, Hang Wang & Bin Yang

  2. School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, Jiangxi, People’s Republic of China

    Huiming Chen, Pengzhe Gao & Huaichao Peng

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  1. Huiming Chen
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  2. Pengzhe Gao
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Correspondence to Bin Yang.

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Chen, H., Gao, P., Peng, H. et al. Study on the Hot Deformation Behavior and Microstructure Evolution of Cu-Cr-In Alloy. J. of Materi Eng and Perform 28, 2128–2136 (2019). https://doi.org/10.1007/s11665-019-03961-z

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  • DOI: https://doi.org/10.1007/s11665-019-03961-z

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