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>.
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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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Chaudhuri, A., Sarkar, A., Kapoor, R. et al. Understanding the Mechanism of Dynamic Recrystallization During High-Temperature Deformation in Nb-1Zr-0.1C Alloy. J. of Materi Eng and Perform 28, 448–462 (2019). https://doi.org/10.1007/s11665-018-3799-3
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DOI: https://doi.org/10.1007/s11665-018-3799-3