Atomic and electronic basis for the serrations of refractory high-entropy alloys
High-entropy alloys: cluster-and-glue atoms behind exceptional properties A cluster-and-glue model of atomic arrangements explains the yield strength and mechanical response of high entropy alloys. Inspired by metallic glass, a team led by William Yi Wang at China’s Northwestern Polytechnical Univer...
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Nature Portfolio
2017
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oai:doaj.org-article:05036d4cf9084c9cb59f6474dcb5d7592021-12-02T11:50:54ZAtomic and electronic basis for the serrations of refractory high-entropy alloys10.1038/s41524-017-0024-02057-3960https://doaj.org/article/05036d4cf9084c9cb59f6474dcb5d7592017-06-01T00:00:00Zhttps://doi.org/10.1038/s41524-017-0024-0https://doaj.org/toc/2057-3960High-entropy alloys: cluster-and-glue atoms behind exceptional properties A cluster-and-glue model of atomic arrangements explains the yield strength and mechanical response of high entropy alloys. Inspired by metallic glass, a team led by William Yi Wang at China’s Northwestern Polytechnical University and collaborators in the United States of America used molecular dynamics to build different atomic arrangements of refractory high entropy alloys consisting of four or more elements. Depending on atomic size and the periodic table group of each atom, some atoms organized into clusters while others glued the clusters together. Chemical bonds broke and formed with plastic deformation as the alloys went from one atomic arrangement to another via the glue atoms, causing defect avalanches explaining the serrated mechanical response of high entropy alloys. Taking into account atomic arrangement may thus help us predict the properties of high entropy alloys.William Yi WangShun Li ShangYi WangFengbo HanKristopher A. DarlingYidong WuXie XieOleg N. SenkovJinshan LiXi Dong HuiKarin A. DahmenPeter K. LiawLaszlo J. KecskesZi-Kui LiuNature PortfolioarticleMaterials of engineering and construction. Mechanics of materialsTA401-492Computer softwareQA76.75-76.765ENnpj Computational Materials, Vol 3, Iss 1, Pp 1-10 (2017) |
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Materials of engineering and construction. Mechanics of materials TA401-492 Computer software QA76.75-76.765 |
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Materials of engineering and construction. Mechanics of materials TA401-492 Computer software QA76.75-76.765 William Yi Wang Shun Li Shang Yi Wang Fengbo Han Kristopher A. Darling Yidong Wu Xie Xie Oleg N. Senkov Jinshan Li Xi Dong Hui Karin A. Dahmen Peter K. Liaw Laszlo J. Kecskes Zi-Kui Liu Atomic and electronic basis for the serrations of refractory high-entropy alloys |
description |
High-entropy alloys: cluster-and-glue atoms behind exceptional properties A cluster-and-glue model of atomic arrangements explains the yield strength and mechanical response of high entropy alloys. Inspired by metallic glass, a team led by William Yi Wang at China’s Northwestern Polytechnical University and collaborators in the United States of America used molecular dynamics to build different atomic arrangements of refractory high entropy alloys consisting of four or more elements. Depending on atomic size and the periodic table group of each atom, some atoms organized into clusters while others glued the clusters together. Chemical bonds broke and formed with plastic deformation as the alloys went from one atomic arrangement to another via the glue atoms, causing defect avalanches explaining the serrated mechanical response of high entropy alloys. Taking into account atomic arrangement may thus help us predict the properties of high entropy alloys. |
format |
article |
author |
William Yi Wang Shun Li Shang Yi Wang Fengbo Han Kristopher A. Darling Yidong Wu Xie Xie Oleg N. Senkov Jinshan Li Xi Dong Hui Karin A. Dahmen Peter K. Liaw Laszlo J. Kecskes Zi-Kui Liu |
author_facet |
William Yi Wang Shun Li Shang Yi Wang Fengbo Han Kristopher A. Darling Yidong Wu Xie Xie Oleg N. Senkov Jinshan Li Xi Dong Hui Karin A. Dahmen Peter K. Liaw Laszlo J. Kecskes Zi-Kui Liu |
author_sort |
William Yi Wang |
title |
Atomic and electronic basis for the serrations of refractory high-entropy alloys |
title_short |
Atomic and electronic basis for the serrations of refractory high-entropy alloys |
title_full |
Atomic and electronic basis for the serrations of refractory high-entropy alloys |
title_fullStr |
Atomic and electronic basis for the serrations of refractory high-entropy alloys |
title_full_unstemmed |
Atomic and electronic basis for the serrations of refractory high-entropy alloys |
title_sort |
atomic and electronic basis for the serrations of refractory high-entropy alloys |
publisher |
Nature Portfolio |
publishDate |
2017 |
url |
https://doaj.org/article/05036d4cf9084c9cb59f6474dcb5d759 |
work_keys_str_mv |
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