Investigation of mechanical properties of twin gold crystal nanowires under uniaxial load by molecular dynamics method
Twin gold crystal nanowires, whose loading direction is parallel to the twin boundary orientation, are simulated.We calculate the nanowires under tensile or compressive loads, different length nanowires, and different twin boundary nanowires respectively. The Young modulus of nanowires under compres...
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| Published in | Chinese physics B Vol. 25; no. 8; pp. 279 - 283 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
01.08.2016
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-1056 2058-3834 1741-4199 |
| DOI | 10.1088/1674-1056/25/8/086203 |
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| Abstract | Twin gold crystal nanowires, whose loading direction is parallel to the twin boundary orientation, are simulated.We calculate the nanowires under tensile or compressive loads, different length nanowires, and different twin boundary nanowires respectively. The Young modulus of nanowires under compressive load is about twice that under tensile load.The compressive properties of twin gold nanowires are superior to their tensile properties. For different length nanowires,there is a critical value of length with respect to the mechanical properties. When the length of nanowire is greater than the critical value, its mechanical properties are sensitive to length. The twin boundary spacing hardly affects the mechanical properties. |
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| AbstractList | Twin gold crystal nanowires, whose loading direction is parallel to the twin boundary orientation, are simulated.We calculate the nanowires under tensile or compressive loads, different length nanowires, and different twin boundary nanowires respectively. The Young modulus of nanowires under compressive load is about twice that under tensile load.The compressive properties of twin gold nanowires are superior to their tensile properties. For different length nanowires,there is a critical value of length with respect to the mechanical properties. When the length of nanowire is greater than the critical value, its mechanical properties are sensitive to length. The twin boundary spacing hardly affects the mechanical properties. |
| Author | 张国伟 杨在林 罗刚 |
| AuthorAffiliation | College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China |
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| Cites_doi | 10.1016/S1359-6454(99)00285-2 10.1103/PhysRevA.31.1695 10.1016/j.msea.2015.03.034 10.1103/PhysRevB.74.214108 10.1063/1.2721367 10.1016/j.euromechsol.2005.11.008 10.1103/PhysRevB.72.054106 10.1063/1.447334 10.1103/PhysRevB.39.12554 10.1016/j.commatsci.2015.09.016 10.1016/S1005-9040(08)60077-X 10.1080/00268978400101201 10.1016/j.physleta.2015.12.030 10.1016/0965-9773(95)00025-9 |
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| DocumentTitleAlternate | Investigation of mechanical properties of twin gold crystal nanowires under uniaxial load by molecular dynamics method |
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| Notes | Guo-Wei Zhang, Zai-Lin Yang, Gang Luo（College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China） molecular dynamics, twinned crystal boundary, gold nanowires, uniaxial load, mechanical prop-erties 11-5639/O4 Twin gold crystal nanowires, whose loading direction is parallel to the twin boundary orientation, are simulated.We calculate the nanowires under tensile or compressive loads, different length nanowires, and different twin boundary nanowires respectively. The Young modulus of nanowires under compressive load is about twice that under tensile load.The compressive properties of twin gold nanowires are superior to their tensile properties. For different length nanowires,there is a critical value of length with respect to the mechanical properties. When the length of nanowire is greater than the critical value, its mechanical properties are sensitive to length. The twin boundary spacing hardly affects the mechanical properties. ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
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| References | 11 13 14 Hussain F (5) 2013; 22 15 16 17 18 19 Yang Z (9) 2015; 24 Long Z (12) 2007 1 2 4 6 7 8 Diao J K (3) 2003; 55 10 |
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| Snippet | Twin gold crystal nanowires, whose loading direction is parallel to the twin boundary orientation, are simulated.We calculate the nanowires under tensile or... Twin gold crystal nanowires, whose loading direction is parallel to the twin boundary orientation, are simulated. We calculate the nanowires under tensile or... |
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| SubjectTerms | Compressive properties Crystal structure Gold Mathematical analysis Mechanical properties Nanowires Tensile stress Twin boundaries 分子动力学方法 力学性能 加载方向 单轴 压缩载荷 拉伸载荷 载荷作用 金纳米线 |
| Title | Investigation of mechanical properties of twin gold crystal nanowires under uniaxial load by molecular dynamics method |
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