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

Abstract

In 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. Here, 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.

Authors:
ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [1]; ORCiD logo [2];  [3];  [4];  [4];  [5];  [5]; ORCiD logo [1]
  1. Division of Materials Science and Technology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
  2. Division of Materials Science and Technology, Oak Ridge National Laboratory, Oak Ridge, TN, USA, Department of Materials Science and Engineering, The University of Tennessee, Knoxville, TN, USA
  3. Spallation Neutron Source, Oak Ridge National Laboratory, Oak Ridge, TN, USA
  4. University of Chicago, Center for Advanced Radiation Sources, Chicago, IL, USA
  5. Cornell High Energy Synchrotron Source, Cornell University, Ithaca, NY, USA
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Energy Dissipation to Defect Evolution (EDDE); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1483331
Alternate Identifier(s):
OSTI ID: 1456802
Grant/Contract Number:  
AC02-06CH11357; AC05-00OR22725
Resource Type:
Published Article
Journal Name:
Materials Research Letters
Additional Journal Information:
Journal Name: Materials Research Letters Journal Volume: 6 Journal Issue: 8; Journal ID: ISSN 2166-3831
Publisher:
Informa UK Limited
Country of Publication:
United Kingdom
Language:
English
Subject:
36 MATERIALS SCIENCE; solid solution alloys; neutron diffraction; EXAFS; local structure

Citation Formats

Zhang, Fuxiang, Tong, Yang, Jin, Ke, Bei, Hongbin, Weber, William J., Huq, Ashfia, Lanzirotti, Antonio, Newville, Matt, Pagan, Darren C., Ko, J. Y. P., and Zhang, Yanwen. Chemical complexity induced local structural distortion in NiCoFeMnCr high-entropy alloy. United Kingdom: N. p., 2018. Web. doi:10.1080/21663831.2018.1478332.
Zhang, Fuxiang, Tong, Yang, Jin, Ke, Bei, Hongbin, Weber, William J., Huq, Ashfia, Lanzirotti, Antonio, Newville, Matt, Pagan, Darren C., Ko, J. Y. P., & Zhang, Yanwen. Chemical complexity induced local structural distortion in NiCoFeMnCr high-entropy alloy. United Kingdom. https://doi.org/10.1080/21663831.2018.1478332
Zhang, Fuxiang, Tong, Yang, Jin, Ke, Bei, Hongbin, Weber, William J., Huq, Ashfia, Lanzirotti, Antonio, Newville, Matt, Pagan, Darren C., Ko, J. Y. P., and Zhang, Yanwen. Sat . "Chemical complexity induced local structural distortion in NiCoFeMnCr high-entropy alloy". United Kingdom. https://doi.org/10.1080/21663831.2018.1478332.
@article{osti_1483331,
title = {Chemical complexity induced local structural distortion in NiCoFeMnCr high-entropy alloy},
author = {Zhang, Fuxiang and Tong, Yang and Jin, Ke and Bei, Hongbin and Weber, William J. and Huq, Ashfia and Lanzirotti, Antonio and Newville, Matt and Pagan, Darren C. and Ko, J. Y. P. and Zhang, Yanwen},
abstractNote = {In 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. Here, 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.},
doi = {10.1080/21663831.2018.1478332},
journal = {Materials Research Letters},
number = 8,
volume = 6,
place = {United Kingdom},
year = {Sat Jun 16 00:00:00 EDT 2018},
month = {Sat Jun 16 00:00:00 EDT 2018}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1080/21663831.2018.1478332

Citation Metrics:
Cited by: 38 works
Citation information provided by
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Works referencing / citing this record:

Effect of interstitial carbon on the evolution of early-stage irradiation damage in equi-atomic FeMnNiCoCr high-entropy alloys
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Lattice Distortion and Phase Stability of Pd-Doped NiCoFeCr Solid-Solution Alloys
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