Mechanical properties of copper nanocube under three-axial tensile loadings

doi:10.1088/1674-1056/24/6/066203

中国物理B ›› 2015, Vol. 24 ›› Issue (6): 66203-066203.doi: 10.1088/1674-1056/24/6/066203

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇下一篇

Mechanical properties of copper nanocube under three-axial tensile loadings

杨在林, 张国伟, 罗刚

College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China

收稿日期:2014-11-12 修回日期:2015-01-07 出版日期:2015-06-05 发布日期:2015-06-05

Mechanical properties of copper nanocube under three-axial tensile loadings

Yang Zai-Lin (杨在林), Zhang Guo-Wei (张国伟), Luo Gang (罗刚)

College of Aerospace and Civil Engineering, Harbin Engineering University, Harbin 150001, China

Received:2014-11-12 Revised:2015-01-07 Online:2015-06-05 Published:2015-06-05
Contact: Yang Zai-Lin E-mail:yangzailin00@163.com
About author:62.25.-g; 61.46.-w; 81.07.Nb

摘要/Abstract

摘要：

The mechanical properties of copper nanocubes by molecular dynamics are investigated in this paper. The [100], [110], [111] nanocubes are created, and their energies, yield stresses, hydrostatic stresses, Mises stresses, and the relationships between them and strain are analyzed. Some concepts of the microscopic damage mechanics are introduced, which are the basis of studying the damage mechanical properties by molecular dynamics. The [100] nanocube exhibits homogeneity and isotropy and achieves a balance easily. The [110] nanocube presents transverse isotropy. The [111] nanocube shows the complexity and anisotropy because the orientation sizes in three directions are different. The broken point occurs on a surface, but the other two do not. The [100] orientation model will be an ideal model for studying the microscopic damage theory.

关键词: molecular dynamics, damage, three-axial tensile loading, isotropy

Abstract:

Key words: molecular dynamics, damage, three-axial tensile loading, isotropy

中图分类号: (Mechanical properties of nanoscale systems)

62.25.-g

61.46.-w (Structure of nanoscale materials) 81.07.Nb (Molecular nanostructures)

杨在林, 张国伟, 罗刚. Mechanical properties of copper nanocube under three-axial tensile loadings[J]. 中国物理B, 2015, 24(6): 66203-066203.

Yang Zai-Lin (杨在林), Zhang Guo-Wei (张国伟), Luo Gang (罗刚). Mechanical properties of copper nanocube under three-axial tensile loadings[J]. Chin. Phys. B, 2015, 24(6): 66203-066203.

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Mechanical properties of copper nanocube under three-axial tensile loadings

Mechanical properties of copper nanocube under three-axial tensile loadings

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