Deformation Behavior of Ferrite/Austenite Duplex Stainless Steel in Hot Compression Processing

  • Hezong LiEmail author
  • Suxia Huang
  • Qiusheng Li
  • Xiaopin An
  • Facai Ren
  • Simon S. Wang
Conference paper
Part of the Structural Integrity book series (STIN, volume 8)


The deformation behavior of Cr23 ferrite/austenite duplex stainless steel has been investigated at deformation temperatures from 1173 to 1473 K and strain rates from \( 0.01 \) to \( 10\,{\text{s}}^{ - 1} \) at a given total strain of 0.8. The results show that the flow stress is strongly influenced by the deformation temperature, the strain rate and the strain. There is a balance between the working hardening and the softening at strain rate of \( 1\,{\text{s}}^{ - 1} \) and elevated deformation temperature when the strain is in excess of 0.25. The softening mechanism of the dynamic recovery and dynamic recrystallization is prominent at lower strain rate less than \( 0.1\,{\text{s}}^{ - 1} \). The Arrhenius-type constitutive model is used to predict the flow stress which is closed to the experimental data.


Ferrite/austenite duplex stainless steel Dynamic recrystallization Deformation behavior 



This work is funded by the Hebei Province Natural Science Foundation (No. E2013402064) and the Department of Education of Hebei Province (ZD20131049).


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Hezong Li
    • 1
    Email author
  • Suxia Huang
    • 1
  • Qiusheng Li
    • 1
  • Xiaopin An
    • 2
  • Facai Ren
    • 3
  • Simon S. Wang
    • 1
    • 4
  1. 1.College of Mechanical and Equipment Engineering, Hebei University of EngineeringHandanChina
  2. 2.Tianjin Bridge Welding Materials Group CompanyTianjinChina
  3. 3.Shanghai Institute of Special Equipment Inspection and Technical ResearchShanghaiChina
  4. 4.Department of Aeronautical and Automotive EngineeringLoughborough UniversityLoughborough, LeicestershireUK

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