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High Temperature Deformation Behavior and Dynamic Recrystallization Law of New Steel 33Mn2V for Oil Well Tube

Excerpt

Deformation behavior of steel 33Mn2v for oil well tube was studied by hot compression tests conducted at various temperatures and strain rates. The Kumar model was developed to predict the hot deformation behavior of steel 33Mn2V for oil well tube. In this regard, the hot compression tests were carried out at the temperatures from 750°C to 1200°C and at the strain rates of 0.02s—1 to 0.16 s—1. The experimental data were then used to determine the constants of developed constitutive equations. The Kumar model can be represented by Zener-Hollomon parameter in a hyperbolic sinusoidal equation form. The apparent activation energy of deformation is calculated to be 342.1481kJ/Mol. Dynamic recrystallization of steel 33Mn2V occur and the completion of the critical deformation is small, termination error and the initial deformation is smaller. Therefore, it's easy for the steel 33Mn2V to the occurrence and completion of dynamic recrystallization.

  • Abstract
  • Keywords
  • Introduction
  • Experimental Procedures
  • Results and Discussion
  • Acknowledgments
  • Conclusions
  • References

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