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Study on Uniaxial Tension and Cyclic Deformation Behavior of TA16 at Room Temperature and High Temperature

  • Xuejiao ShaoEmail author
  • Du Juan
  • Linyuan kuang
  • Yuechuan Lu
  • Jiang Lu
  • Mingda Yu
Conference paper
Part of the Mechanisms and Machine Science book series (Mechan. Machine Science, volume 75)

Abstract

TA16 is a new type of titanium alloy material, which is widely used in pipeline systems of aerospace, ship and nuclear reactor with high temperature and high pressure. In this paper, the basic mechanical properties and cyclic deformation characteristics of TA16 were obtained by uniaxial tensile test and cyclic loading test at room temperature and high temperature. The Chaboche constitutive model can reasonably describe the cyclic plastic cumulative effect of materials and is provided in ANSYS which is a commercial finite element analysis software. The constitutive model of Chaboche presents a very important evolution criterion of follow-up hardening for ratchet simulation. Based on steady cyclic stress-strain curves which is got by strain control at different temperatures, the material parameters of Chaboche model are obtained by least multiplication fitting for TA16 at room and high temperatures. The constitutive model can used in elastic and elastic finite element analysis of TA16 materials. The experiment results show that TA16 exhibits slight cyclic softening under symmetrical strain cycles, and obvious ratcheting behavior under asymmetric stress cycles. When ratcheting strain of the structure reaches a certain saturation state, plastic accumulation will lead to accidental damage of the structure and lead to serious consequences. The stable cyclic stress-strain curves of TA16 at room temperature and high temperature are simulated by Chaboche model. The simulation results are in good agreement with the experimental results, which provides the basic data for the finite element simulation of cyclic deformation behavior of TA16 titanium alloy structure.

Keywords

Uniaxial tensile test Cyclic deformation Chaboche constitutive model Ratcheting behavior 

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Xuejiao Shao
    • 1
    Email author
  • Du Juan
    • 1
  • Linyuan kuang
    • 1
  • Yuechuan Lu
    • 1
  • Jiang Lu
    • 1
  • Mingda Yu
    • 1
  1. 1.Science and Technology on Reactor System Design Technology LaboratoryNuclear Power Institute of ChinaChengduChina

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