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Journal of Materials Engineering and Performance

, Volume 28, Issue 1, pp 448–462 | Cite as

Understanding the Mechanism of Dynamic Recrystallization During High-Temperature Deformation in Nb-1Zr-0.1C Alloy

  • Atanu Chaudhuri
  • Apu SarkarEmail author
  • Rajeev Kapoor
  • J. K. Chakravartty
  • R. K. Ray
  • Satyam Suwas
Article
  • 63 Downloads

Abstract

In the present investigation, a systematic study of the evolution of microstructure and crystallographic texture during hot deformation of Nb-1Zr-0.1C was carried out in the temperature range 1773-1973 K (1500-1700 °C) at different strain rates of 0.001, 0.01 and 0.1 s−1. The aim was to examine the mechanisms of dynamic recovery and recrystallization in a high-temperature range. A detailed microstructural analysis of the deformed samples was performed using the electron backscatter diffraction technique to study the occurrence and nature of various dynamic restoration processes; the different regimes of dynamic recovery and recrystallization were identified. The orientations of the dynamically recrystallized grains were found to be (001) <uvw>.

Keywords

dynamic recovery dynamic recrystallization EBSD high-temperature deformation Nb-1Zr-0.1C niobium alloy 

Notes

Acknowledgments

The authors are grateful to the Board of Research in Nuclear Sciences, Department of Atomic Energy, Government of India (Grant No. RP-ON 2011/36/19), for financial support for the experimental expenses.

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Copyright information

© ASM International 2018

Authors and Affiliations

  • Atanu Chaudhuri
    • 1
  • Apu Sarkar
    • 2
    Email author
  • Rajeev Kapoor
    • 2
  • J. K. Chakravartty
    • 3
  • R. K. Ray
    • 4
  • Satyam Suwas
    • 1
  1. 1.Department of Materials EngineeringIndian Institute of ScienceBangaloreIndia
  2. 2.Mechanical Metallurgy DivisionBhabha Atomic Research CentreMumbaiIndia
  3. 3.Department of Metallurgy and Materials ScienceCollege of EngineeringPuneIndia
  4. 4.M N Dastur Centre for Materials Science and EngineeringIndian Institute of Engineering Science and TechnologyShibpurIndia

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