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Charpy Impact Properties of Electron Beam Welded V-4Cr-4Ti Alloy

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Proceedings of The 20th Pacific Basin Nuclear Conference (PBNC 2016)

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Abstract

Due to many advantages over other candidate materials, V-4Cr-4Ti alloys are considered as leading candidate structural materials for liquid Li blanket of fusion reactors in the future. To develop the joining technology of this alloy, a V-4Cr-4Ti alloy plate has been welded by electron beam and characterized at Southwestern Institute of Physics (SWIP).The Charpy impact properties, Vickers hardness, and microstructure of specimens machined from welded plates after different heat treatments were investigated. Different post-weld heat treatments (PWHT) were applied and reviewed to recovering the mechanical property of V-4Cr-4Ti after welding. TEM observation were also conducted to investigate the effect of Ti-C, N ,O precipitates on the property degradation.

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Acknowledgments

This study was supported by the Chinese Nuclear Energy Development Program (H6600003-13-2) and National Natural Science Foundation of China (No. 51341005). The authors are grateful for the technical support of TEM observation from Dr. Xiaona Li and Beibei Jiang in Dalian University of Technology.

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Authors and Affiliations

  1. Southwestern Institute of Physics, Chengdu, Sichuan, China

    Shuang Yang, Pengfei Zheng, Jiming Chen, Xing Miao & Ran Wei

Authors
  1. Shuang Yang
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  2. Pengfei Zheng
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  3. Jiming Chen
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  4. Xing Miao
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  5. Ran Wei
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Corresponding author

Correspondence to Shuang Yang .

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Editors and Affiliations

  1. China Nuclear Power Engineering Co., Ltd , Beijing, Beijing, China

    Hong Jiang

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Yang, S., Zheng, P., Chen, J., Miao, X., Wei, R. (2017). Charpy Impact Properties of Electron Beam Welded V-4Cr-4Ti Alloy. In: Jiang, H. (eds) Proceedings of The 20th Pacific Basin Nuclear Conference. PBNC 2016. Springer, Singapore. https://doi.org/10.1007/978-981-10-2317-0_7

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  • DOI: https://doi.org/10.1007/978-981-10-2317-0_7

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-2316-3

  • Online ISBN: 978-981-10-2317-0

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