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Cold Deformation Behavior and Mechanical Properties of Forged Pure Nickel N6

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Physics and Engineering of Metallic Materials (CMC 2018)

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 217))

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Abstract

With 0.018% content in the crust, pure nickel N6 has excellent conductivity, hot conductivity, and corrosion resistance. At present, it has been widely used in chemical, nuclear, marine, and aerospace fields. However, there are few studies on deformation behaviors and mechanical properties of pure nickel N6 at room temperature. In this paper, cold deformation behaviors and mechanical properties of N6 were studied by tensile, compressive, and impact load experiment at room temperature. With the increase of strain rate, it was found that the work hardening index increases gradually and the strength coefficient showed an upward trend, which basically followed the law of parabolic hardening, and its constitutive equation was obtained after the modification of strain rate. Observation of fracture by scanning electron microscope (SEM), it was found that the tensile fracture way of N6 changed from brittle fracture to ductile fracture and the impact fracture mechanism was both ductile fracture and brittle fracture. This study may lay a foundation for the cold working process of pure nickel N6.

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Acknowledgements

Zhi Jia would like to gratefully acknowledge the support of the National Nature Science Foundation of China (No. 51665032) and Science Foundation for Distinguished Young Scholars of Gansu Province (18JR3RA134).

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Authors and Affiliations

  1. State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou, Gansu Province, China

    Zhi Jia, Dexue Liu & Yutian Ding

  2. School of Material Science and Engineering, Lanzhou University of Technology, Lanzhou, Gansu, China

    Zexi Gao & Zhi Jia

  3. School of Materials Engineering, Lanzhou Institute of Technology, Lanzhou, Gansu, China

    Jinjin Ji

Authors
  1. Zexi Gao
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  2. Zhi Jia
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  3. Jinjin Ji
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  4. Dexue Liu
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  5. Yutian Ding
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Corresponding author

Correspondence to Zhi Jia .

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Editors and Affiliations

  1. Chinese Materials Research Society, Beijing, China

    Yafang Han

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Gao, Z., Jia, Z., Ji, J., Liu, D., Ding, Y. (2019). Cold Deformation Behavior and Mechanical Properties of Forged Pure Nickel N6. In: Han, Y. (eds) Physics and Engineering of Metallic Materials. CMC 2018. Springer Proceedings in Physics, vol 217. Springer, Singapore. https://doi.org/10.1007/978-981-13-5944-6_20

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  • DOI: https://doi.org/10.1007/978-981-13-5944-6_20

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-5943-9

  • Online ISBN: 978-981-13-5944-6

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