Deformation mechanisms and work-hardening behavior of transformation-induced plasticity high entropy alloys by in -situ neutron diffraction

S. Fu; H. Bei; Y. Chen; T.K. Liu; D. Yu; K. An

doi:10.1080/21663831.2018.1523239

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Deformation mechanisms and work-hardening behavior of transformation-induced plasticity high entropy alloys by in -situ neutron diffraction

Original Report | 更新时间：2026-08-19

- Deformation mechanisms and work-hardening behavior of transformation-induced plasticity high entropy alloys by in -situ neutron diffraction
- Materials Research Letters Vol. 6, Issue 11, Pages: 620-626(2018)
- 作者机构：
  
  1. School of Chemical Engineering and Technology Tianjin University
  2. Materials Science and Technology Division Oak Ridge National Laboratory Oak Ridge
  3. Neutron Scattering Division Oak Ridge National Laboratory Oak Ridge
  4. Materials Science and Technology Division Oak Ridge National Laboratory Oak Ridge TN USA
  5. Neutron Scattering Division Oak Ridge National Laboratory Oak Ridge TN USA
  6. Department of Materials Science and Engineering The University of Tennessee Knoxville
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2018.1523239
  CLC：
- Online First：23 September 2018，
  
  Published：2018
- 稿件说明：
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S. Fu, H. Bei, Y. Chen, et al. Deformation mechanisms and work-hardening behavior of transformation-induced plasticity high entropy alloys by in -situ neutron diffraction[J]. Materials Research Letters, 2018, 6(11): 620-626.
DOI：

S. Fu, H. Bei, Y. Chen, et al. Deformation mechanisms and work-hardening behavior of transformation-induced plasticity high entropy alloys by in -situ neutron diffraction[J]. Materials Research Letters, 2018, 6(11): 620-626. DOI： 10.1080/21663831.2018.1523239.

摘要

Abstract

BSTRACTA full picture of tensile deformation mechanism evolution in the FCC-to-HCP transformation-induced plasticity high entropy alloy (TRIP-HEA) was revealed by real-time

in situ

neutron diffraction. Three transition points

i.e. the triggering of TRIP in the FCC phase and the activation of single and multiple twinning in the HCP phase

were identified to result in significant stress redistribution. Accordingly

four deformation stages with distinct phase-specific work-hardening behaviors were recognized. It was concluded that the easily-triggered persisting TRIP and the work-hardening potential of the HCP contribute together to the persisting bulk work-hardening.

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