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Title: Local Structures of High-Entropy Alloys (HEAs) on Atomic Scales: An Overview

The high-entropy alloys (HEAs), containing several elements mixed in equimolar or near-equimolar ratios, have shown exceptional engineering properties. Local structures on atomic level are essential to understand the mechanical behaviors and related mechanisms. In this paper, the local structure and stress on the atomic level are reviewed by the pair-distribution function (PDF) of neutron-diffraction data, ab-initio-molecular-dynamics (AIMD) simulations, and atomic-probe microscopy (APT).
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Publication Date:
OSTI Identifier:
Grant/Contract Number:
AC05-00OR22725; FE0011194
Accepted Manuscript
Journal Name:
JOM. Journal of the Minerals, Metals & Materials Society
Additional Journal Information:
Journal Volume: 67; Journal Issue: 10; Journal ID: ISSN 1047-4838
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Tennessee, Knoxville, TN (United States); Univ. of Illinois Urbana-Champaign, Champaign, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC); USDOE Office of Fossil Energy (FE)
Country of Publication:
United States
36 MATERIALS SCIENCE; high-entropy alloys; atomic structure; atomic probe tomography; neutron diffraction; ab initio modeling