Small-Scale Plastic Deformation of Nanocrystalline High Entropy Alloy

High entropy alloys (HEAs) have attracted widespread interest due to their unique properties at many different length-scales. Here, we report the fabrication of nanocrystalline (NC) Al(0.1)CoCrFeNi high entropy alloy and subsequent small-scale plastic deformation behavior via nano-pillar compression...

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Detalles Bibliográficos
Autores principales: Mridha, Sanghita, Komarasamy, Mageshwari, Bhowmick, Sanjit, Mishra, Rajiv S., Mukherjee, Sundeep
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2018
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7512471/
https://www.ncbi.nlm.nih.gov/pubmed/33266613
http://dx.doi.org/10.3390/e20110889
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author Mridha, Sanghita
Komarasamy, Mageshwari
Bhowmick, Sanjit
Mishra, Rajiv S.
Mukherjee, Sundeep
author_facet Mridha, Sanghita
Komarasamy, Mageshwari
Bhowmick, Sanjit
Mishra, Rajiv S.
Mukherjee, Sundeep
author_sort Mridha, Sanghita
collection PubMed
description High entropy alloys (HEAs) have attracted widespread interest due to their unique properties at many different length-scales. Here, we report the fabrication of nanocrystalline (NC) Al(0.1)CoCrFeNi high entropy alloy and subsequent small-scale plastic deformation behavior via nano-pillar compression tests. Exceptional strength was realized for the NC HEA compared to pure Ni of similar grain sizes. Grain boundary mediated deformation mechanisms led to high strain rate sensitivity of flow stress in the nanocrystalline HEA.
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spelling pubmed-75124712020-11-09 Small-Scale Plastic Deformation of Nanocrystalline High Entropy Alloy Mridha, Sanghita Komarasamy, Mageshwari Bhowmick, Sanjit Mishra, Rajiv S. Mukherjee, Sundeep Entropy (Basel) Article High entropy alloys (HEAs) have attracted widespread interest due to their unique properties at many different length-scales. Here, we report the fabrication of nanocrystalline (NC) Al(0.1)CoCrFeNi high entropy alloy and subsequent small-scale plastic deformation behavior via nano-pillar compression tests. Exceptional strength was realized for the NC HEA compared to pure Ni of similar grain sizes. Grain boundary mediated deformation mechanisms led to high strain rate sensitivity of flow stress in the nanocrystalline HEA. MDPI 2018-11-20 /pmc/articles/PMC7512471/ /pubmed/33266613 http://dx.doi.org/10.3390/e20110889 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Mridha, Sanghita
Komarasamy, Mageshwari
Bhowmick, Sanjit
Mishra, Rajiv S.
Mukherjee, Sundeep
Small-Scale Plastic Deformation of Nanocrystalline High Entropy Alloy
title Small-Scale Plastic Deformation of Nanocrystalline High Entropy Alloy
title_full Small-Scale Plastic Deformation of Nanocrystalline High Entropy Alloy
title_fullStr Small-Scale Plastic Deformation of Nanocrystalline High Entropy Alloy
title_full_unstemmed Small-Scale Plastic Deformation of Nanocrystalline High Entropy Alloy
title_short Small-Scale Plastic Deformation of Nanocrystalline High Entropy Alloy
title_sort small-scale plastic deformation of nanocrystalline high entropy alloy
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7512471/
https://www.ncbi.nlm.nih.gov/pubmed/33266613
http://dx.doi.org/10.3390/e20110889
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