Sliding of coherent twin boundaries

Coherent twin boundaries (CTBs) in face-centered cubic metals are usually considered unable to slide at room temperature. Here, the authors use in situ transmission electron microscopy and molecular dynamics to show CTB sliding in copper nanopillars when leading and trailing partial dislocations hav...

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Main Authors: Zhang-Jie Wang, Qing-Jie Li, Yao Li, Long-Chao Huang, Lei Lu, Ming Dao, Ju Li, Evan Ma, Subra Suresh, Zhi-Wei Shan
Format: Article
Language:English
Published: Nature Portfolio 2017-10-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-017-01234-8
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author Zhang-Jie Wang
Qing-Jie Li
Yao Li
Long-Chao Huang
Lei Lu
Ming Dao
Ju Li
Evan Ma
Subra Suresh
Zhi-Wei Shan
author_facet Zhang-Jie Wang
Qing-Jie Li
Yao Li
Long-Chao Huang
Lei Lu
Ming Dao
Ju Li
Evan Ma
Subra Suresh
Zhi-Wei Shan
author_sort Zhang-Jie Wang
collection DOAJ
description Coherent twin boundaries (CTBs) in face-centered cubic metals are usually considered unable to slide at room temperature. Here, the authors use in situ transmission electron microscopy and molecular dynamics to show CTB sliding in copper nanopillars when leading and trailing partial dislocations have similar Schmid factors.
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spelling doaj.art-ced48e98dd094fbd935a2ca331c91c672022-12-21T23:39:00ZengNature PortfolioNature Communications2041-17232017-10-01811710.1038/s41467-017-01234-8Sliding of coherent twin boundariesZhang-Jie Wang0Qing-Jie Li1Yao Li2Long-Chao Huang3Lei Lu4Ming Dao5Ju Li6Evan Ma7Subra Suresh8Zhi-Wei Shan9Center for Advancing Materials Performance from the Nanoscale and Hysitron Applied Research Center in China, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong UniversityDepartment of Materials Science and Engineering, Johns Hopkins UniversityCenter for Advancing Materials Performance from the Nanoscale and Hysitron Applied Research Center in China, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong UniversityCenter for Advancing Materials Performance from the Nanoscale and Hysitron Applied Research Center in China, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong UniversityShenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of SciencesCenter for Advancing Materials Performance from the Nanoscale and Hysitron Applied Research Center in China, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong UniversityCenter for Advancing Materials Performance from the Nanoscale and Hysitron Applied Research Center in China, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong UniversityCenter for Advancing Materials Performance from the Nanoscale and Hysitron Applied Research Center in China, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong UniversityNanyang Technological UniversityCenter for Advancing Materials Performance from the Nanoscale and Hysitron Applied Research Center in China, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong UniversityCoherent twin boundaries (CTBs) in face-centered cubic metals are usually considered unable to slide at room temperature. Here, the authors use in situ transmission electron microscopy and molecular dynamics to show CTB sliding in copper nanopillars when leading and trailing partial dislocations have similar Schmid factors.https://doi.org/10.1038/s41467-017-01234-8
spellingShingle Zhang-Jie Wang
Qing-Jie Li
Yao Li
Long-Chao Huang
Lei Lu
Ming Dao
Ju Li
Evan Ma
Subra Suresh
Zhi-Wei Shan
Sliding of coherent twin boundaries
Nature Communications
title Sliding of coherent twin boundaries
title_full Sliding of coherent twin boundaries
title_fullStr Sliding of coherent twin boundaries
title_full_unstemmed Sliding of coherent twin boundaries
title_short Sliding of coherent twin boundaries
title_sort sliding of coherent twin boundaries
url https://doi.org/10.1038/s41467-017-01234-8
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