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Quasi-In-Situ EBSD Observation of the Orientation Evolution in Polycrystalline Tantalum During Rolling Deformation

  • Ya-Hui Liu
  • Shi-Feng LiuEmail author
  • Chao Deng
  • Hai-Yang Fan
  • Qing Liu
Article
  • 8 Downloads

Abstract

The evolution of crystallographic orientation of polycrystalline tantalum (Ta) during rolling was characterized by electron backscatter diffraction technique in a quasi-in-situ way, and the microstructure and microtexture before and after the deformation were characterized and analyzed, respectively. In the specimen, 164 individual grains were exacted singly from the testing region and their corresponding orientations were reconstructed and analyzed, respectively. Results show that the heterogeneous deformation in a grain can be reflected by the accidented surface microstructure. Moreover, the orientations close to {111} orientations came closer to the {111} corner, while the orientation evolution is more complicated for the orientations close {100} corner, indicating that the evolution of these orientations close to {100} corner seemed to be irregular.

Keywords

Tantalum Orientation Quasi-in-situ Rolling 

Notes

Acknowledgements

The present work was co-supported by the National Natural Science Foundation of China (Nos. 51421001 and 51701032), the Major National Science and Technology Projects of China (No. 2011ZX02705) and the Chongqing Science and Technology Commission in China (CSTC, 2017jcyjAX0094). We are deeply grateful to Dr. Qianqian Zhu’s help in the grammar polishing of this manuscript.

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Copyright information

© The Chinese Society for Metals (CSM) and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Ya-Hui Liu
    • 1
  • Shi-Feng Liu
    • 1
    • 2
    Email author
  • Chao Deng
    • 1
    • 2
  • Hai-Yang Fan
    • 3
  • Qing Liu
    • 1
  1. 1.College of Materials Science and EngineeringChongqing UniversityChongqingChina
  2. 2.Electron Microscopy Center of Chongqing UniversityChongqing UniversityChongqingChina
  3. 3.Department of Mechanical EngineeringKU LeuvenLeuvenBelgium

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