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High Temperature Hot Deformation Behavior and Constitutive Model Construction of High Quality 51CrV4 Spring Steel

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Advances in Materials Processing (CMC 2017)

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

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Abstract

In order to investigate the hot deformation behavior of alloy 51CrV4, the single pass compression experiments were carried out in deformation temperature range of 800 –1120 °C and strain rate range of 0.01–10 s−1. And the deformation amount of all the samples was 50%. The results showed that the steady flow behavior was observed at deformation with low temperature and high strain rate, where the dynamic recovery mechanism was dominated. Meanwhile, the formation of dislocation cell structures and polygonal characteristics further supported the mechanism of dynamic recovery. The dynamic recrystallization (DRX) phenomenon of alloy occurred with the increase of strain. With the increase of deformation temperature and decrease of strain rate, the peak stress gradually decreased due to DRX. Finally, the hot deformation constitutive equation was established and the thermal deformation activation energy was calculated as 367.87 kJ/mol.

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Acknowledgements

This work was financially supported by china postdoctoral science foundation (No. 2016M592101).

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Authors and Affiliations

  1. Fangda Special Steel Technology Stock Co, Ltd., Nanchang, 330012, China

    ZhiGang Wang, FeiMing Xie, HongWei Li & Qing Zhang

  2. School of Material Science and Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, China

    ZhiGang Wang, ChaoBin Lai & Diqiang Luo

Authors
  1. ZhiGang Wang
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  2. FeiMing Xie
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  3. ChaoBin Lai
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  4. HongWei Li
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  5. Qing Zhang
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  6. Diqiang Luo
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Corresponding author

Correspondence to ZhiGang Wang .

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Editors and Affiliations

  1. Chinese Materials Research Society, Beijing, China

    Yafang Han

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Wang, Z., Xie, F., Lai, C., Li, H., Zhang, Q., Luo, D. (2018). High Temperature Hot Deformation Behavior and Constitutive Model Construction of High Quality 51CrV4 Spring Steel. In: Han, Y. (eds) Advances in Materials Processing. CMC 2017. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-13-0107-0_19

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  • DOI: https://doi.org/10.1007/978-981-13-0107-0_19

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-0106-3

  • Online ISBN: 978-981-13-0107-0

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