Stability characteristics of single-layered silicon carbide nanosheets under uniaxial compression |
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| Institution: | 1. Department of Mechanical Engineering, University of Guilan, P.O. Box 3756, Rasht, Iran;2. Young Researchers Club, Langroud Branch, Islamic Azad University, Langroud, Guilan, Iran;1. Mechanical and Aeronautics Engineering Department, University of Patras, 26500 Rio, Patras, Greece;2. Mechanical Engineering Department, Technological Educational Institute of Western Greece, Patras, Greece;3. Mechanical Engineering Department, Central Greece University of Applied Sciences, Chalkis, Greece;1. Faculty of Chemistry and Mineralogy, Leipzig University, Scharnhorststr. 20, 04275 Leipzig, Germany;2. Department of Chemistry, LMU Munich, Butenandtstr. 5-13 (D), 81377 Munich, Germany;1. Laboratory of New Materials for Power Sources, College of Science, Honghe University, Yun-Nan Province, 661199, China;2. School of Metallurgical and Ecological Engineering and State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing, Beijing 100083, China;1. State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi''an Jiaotong University, Xi''an 710049, China;2. Institute for Chemical Physics & Department of Chemistry, School of Science, Xi''an Jiaotong University, Xi''an 710049, China;3. Center for High Pressure Science and Technology Research, Zhengzhou University of Light Industry, Zhengzhou 450002, China & Key Laboratory of Photochemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China |
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| Abstract: | The buckling behavior of single-layered silicon carbide nanosheets (SLSiCNSs) is investigated by employing an atomistic finite element model. Preserving the discrete nature of nanosheets, the beam elements are used to model the Si–C bounds. The effects of aspect ratio and boundary conditions on the stability of zigzag and armchair SLSiCNSs have been studied. Based on the results, it is observed that the buckling forces of small sheets are strongly size-dependent. However, the size-dependent behavior will diminish for larger sheets. Comparing the buckling force of armchair and zigzag nanosheets with same geometries and boundary conditions shows that the buckling force is independent of chirality. |
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| Keywords: | Silicon carbide nanosheets Buckling Finite element model Molecular mechanics |
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