Detection and impact of short-range order in medium/high-entropy alloys

Summary: Medium/High-entropy alloys (MEAs/HEAs) have attracted much attention during the past two decades and have been studied extensively owing to their excellent physical and mechanical properties. These materials form simple lattice structures and thermodynamically favored single-phase solutions...

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Main Authors: Tyler Joe Ziehl, David Morris, Peng Zhang
Format: Article
Language:English
Published: Elsevier 2023-03-01
Series:iScience
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2589004223002869
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author Tyler Joe Ziehl
David Morris
Peng Zhang
author_facet Tyler Joe Ziehl
David Morris
Peng Zhang
author_sort Tyler Joe Ziehl
collection DOAJ
description Summary: Medium/High-entropy alloys (MEAs/HEAs) have attracted much attention during the past two decades and have been studied extensively owing to their excellent physical and mechanical properties. These materials form simple lattice structures and thermodynamically favored single-phase solutions. Despite having a single-phase, the local structure of MEAs/HEAs still contain some degree of order. Recently, short-range order (SRO) has been studied to better understand the local structure of MEAs/HEAs and how this order impacts their properties. Efforts to characterize SRO in high-entropy alloys have included non-imaging methods such as X-ray diffraction and X-ray absorption spectroscopy, as well as imaging methods such as transmission electron microscopy-based techniques. In this perspective, structural studies using non-imaging and imaging techniques to investigate SRO in MEAs/HEAs are discussed. Moreover, the impact of SRO on the physical and mechanical properties of MEAs/HEAs is also covered.
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spelling doaj.art-48aca453e5a543a492b741e06e493ccf2023-03-04T04:23:39ZengElsevieriScience2589-00422023-03-01263106209Detection and impact of short-range order in medium/high-entropy alloysTyler Joe Ziehl0David Morris1Peng Zhang2Department of Chemistry, Dalhousie University, 6299 South St., Halifax, NS B3H 4R2, CanadaDepartment of Chemistry, Dalhousie University, 6299 South St., Halifax, NS B3H 4R2, CanadaDepartment of Chemistry, Dalhousie University, 6299 South St., Halifax, NS B3H 4R2, Canada; Corresponding authorSummary: Medium/High-entropy alloys (MEAs/HEAs) have attracted much attention during the past two decades and have been studied extensively owing to their excellent physical and mechanical properties. These materials form simple lattice structures and thermodynamically favored single-phase solutions. Despite having a single-phase, the local structure of MEAs/HEAs still contain some degree of order. Recently, short-range order (SRO) has been studied to better understand the local structure of MEAs/HEAs and how this order impacts their properties. Efforts to characterize SRO in high-entropy alloys have included non-imaging methods such as X-ray diffraction and X-ray absorption spectroscopy, as well as imaging methods such as transmission electron microscopy-based techniques. In this perspective, structural studies using non-imaging and imaging techniques to investigate SRO in MEAs/HEAs are discussed. Moreover, the impact of SRO on the physical and mechanical properties of MEAs/HEAs is also covered.http://www.sciencedirect.com/science/article/pii/S2589004223002869Materials scienceMaterials chemistryMaterials synthesisMaterials property
spellingShingle Tyler Joe Ziehl
David Morris
Peng Zhang
Detection and impact of short-range order in medium/high-entropy alloys
iScience
Materials science
Materials chemistry
Materials synthesis
Materials property
title Detection and impact of short-range order in medium/high-entropy alloys
title_full Detection and impact of short-range order in medium/high-entropy alloys
title_fullStr Detection and impact of short-range order in medium/high-entropy alloys
title_full_unstemmed Detection and impact of short-range order in medium/high-entropy alloys
title_short Detection and impact of short-range order in medium/high-entropy alloys
title_sort detection and impact of short range order in medium high entropy alloys
topic Materials science
Materials chemistry
Materials synthesis
Materials property
url http://www.sciencedirect.com/science/article/pii/S2589004223002869
work_keys_str_mv AT tylerjoeziehl detectionandimpactofshortrangeorderinmediumhighentropyalloys
AT davidmorris detectionandimpactofshortrangeorderinmediumhighentropyalloys
AT pengzhang detectionandimpactofshortrangeorderinmediumhighentropyalloys