Chemical complexity induced local structural distortion in NiCoFeMnCr high-entropy alloy

Fuxiang Zhang; Yang Tong; Ke Jin; Hongbin Bei; William J. Weber; Ashfia Huq; Antonio Lanzirotti; Matt Newville; Darren C. Pagan; J. Y. P. Ko; Yanwen Zhang

doi:10.1080/21663831.2018.1478332

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Chemical complexity induced local structural distortion in NiCoFeMnCr high-entropy alloy

Original Report | 更新时间：2026-08-19

- Chemical complexity induced local structural distortion in NiCoFeMnCr high-entropy alloy
- Materials Research Letters Vol. 6, Issue 8, Pages: 450-455(2018)
- 作者机构：
  
  1. Division of Materials Science and Technology Oak Ridge National Laboratory Oak Ridge
  2. Division of Materials Science and Technology Oak Ridge National Laboratory Oak Ridge TN USA
  3. Department of Materials Science and Engineering The University of Tennessee Knoxville
  4. Spallation Neutron Source Oak Ridge National Laboratory Oak Ridge
  5. University of Chicago Center for Advanced Radiation Sources Chicago
  6. Cornell High Energy Synchrotron Source Cornell University Ithaca
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2018.1478332
  CLC：
- Online First：16 June 2018，
  
  Published：2018
- 稿件说明：
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Fuxiang Zhang, Yang Tong, Ke Jin, et al. Chemical complexity induced local structural distortion in NiCoFeMnCr high-entropy alloy[J]. Materials Research Letters, 2018, 6(8): 450-455.
DOI：

Fuxiang Zhang, Yang Tong, Ke Jin, et al. Chemical complexity induced local structural distortion in NiCoFeMnCr high-entropy alloy[J]. Materials Research Letters, 2018, 6(8): 450-455. DOI： 10.1080/21663831.2018.1478332.

摘要

Abstract

BSTRACTIn order to study chemical complexity-induced lattice distortion in high-entropy alloys

the static Debye–Waller (D-W) factor of NiCoFeMnCr solid solution alloy is measured with low temperature neutron diffraction

ambient X-ray diffraction

and total scattering methods. The static atomic displacement parameter of the multi-element component alloy at 0 K is 0.035–0.041 Å

which is obvious larger than that of element Ni (∼ 0 Å). The atomic pair distance between individual atoms in the alloy investigated with extended X-ray absorption fine structure (EXAFS) measurements indicates that Mn has a slightly larger bond distance (∼0.4%) with neighbor atoms than that of others.

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