Rheological Stress Behavior of B10 Copper-Nickel Alloy During Hot Deformation Process

  • Jianing Zhang
  • Dongmei Liu
  • Qiangsong Wang
  • Fang Liu
  • Shuyu Yang
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

The variation law of internal stress-strain curves of b10 alloy at 800–1050 °C and strain rate 0.01–10 s−1 was studied by thermal compression test. The rheological behavior of the alloy showed the characteristic of steady state, as the rheological stress increased rapidly to the peak stress at the beginning of the strain, and then remained unchanging or slowly increase or decrease. The rheological stress of the alloy increased when the strain rate or decreasing strain temperature increased, and the discontinuous dynamic occurred in the process of thermal compression. Moreover the constitutive equation of thermal deformation was established. The stress exponent (n) of the alloy at different temperatures was calculated and the Q-equivalent of strain activation energy was calculated.

Keywords

B10 alloy Flow stress Constitutive equations 

Notes

Acknowledgements

This study was financially supported by the National Natural Science Foundation of China (Grant No.51401026) and National Key Research and Development Program of China (Grant No.2016YFB0301404).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Jianing Zhang
    • 1
  • Dongmei Liu
    • 1
  • Qiangsong Wang
    • 1
  • Fang Liu
    • 1
  • Shuyu Yang
    • 1
  1. 1.General Research Institute for Nonferrous MetalsBeijingChina

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