Volume 111, Number 2, July 2015
|Number of page(s)||6|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||18 August 2015|
The effect of transverse loading on the ideal tensile strength of face-centered-cubic materials
1 Department of Mechanical Engineering, Ulsan National Institute of Science and Technology Ulsan 689-798, South Korea
2 School of Materials Science and Engineering, Ulsan National Institute of Science and Technology Ulsan 689-798, South Korea
3 Department of Civil and Environmental Engineering, Yonsei University - Seoul 120-749, South Korea
Received: 16 May 2015
Accepted: 16 July 2015
We employed the Born-Hill-Milstein elastic-stability theory with the aid of molecular statics and density functional theory simulations to investigate the effect of transverse loading on the ideal tensile strength of six face-centered-cubic materials. The ideal strengths of the materials were found to be largely dependent on the transverse loadings. For the case in which the transverse loadings are symmetric to each other, the ideal strength is determined by a phase transformation from tetragonal to orthorhombic structures induced by elastic instability, and the ideal strength linearly increases or decreases with the applied tensile or compressive loadings, respectively. For asymmetric transverse loadings, the ideal strength decreases with increasing asymmetry of the applied loadings.
PACS: 62.20.M- – Structural failure of materials / 62.20.-x – Mechanical properties of solids
© EPLA, 2015
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