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Upward Continuous Casting in the Manufacture of Cu-Cr-Ag Alloys: Potential for Enhancing Strength Whilst Maintaining Ductility

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Abstract

Upward continuous casting was used to manufacture Cu-Cr-Ag high-strength high-conductivity alloys, for comparison with conventional processing methods. The behavior of the alloy samples was measured, including tensile strength, microhardness, and electrical conductivity. The microstructure was characterized using optical microscopy and transmission electron microscopy after each processing step. It was found that microstructure with columnar grains due to upward continuous casting made it possible to enhance strength whilst maintaining the ductility of the alloys during the aging process. The combined drawing-aging process has the potential to be used numerous times during the manufacture of Cu-Cr-based high-strength high-conductivity alloys.

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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 Mr. Mingmao Li, Dr. Xiangpeng Xiao, Dr. Weibin Xie, and Dr. Wenjing Wang for their help. We thank Dr. Sarah Dodds for her help during the course of language editing.

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Author notes

  1. Dawei Yuan and Bin Yang have contributed equally to this work.

Authors and Affiliations

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

    Dawei Yuan, Bin Yang, Huiming Chen, Jianbo Zhang & Hang Wang

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

    Dawei Yuan, Bin Yang & Jinshui Chen

Authors
  1. Dawei Yuan
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  2. Bin Yang
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  3. Jinshui Chen
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  4. Huiming Chen
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  5. Jianbo Zhang
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  6. Hang Wang
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Correspondence to Hang Wang.

Additional information

Manuscript submitted February 23, 2017.

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Yuan, D., Yang, B., Chen, J. et al. Upward Continuous Casting in the Manufacture of Cu-Cr-Ag Alloys: Potential for Enhancing Strength Whilst Maintaining Ductility. Metall Mater Trans A 48, 6083–6090 (2017). https://doi.org/10.1007/s11661-017-4338-9

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  • DOI: https://doi.org/10.1007/s11661-017-4338-9

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