In-plane compression response of wire-woven metal cored sandwich panels |
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| Affiliation: | 1. School of Mechanical Engineering, Chonnam National Univ., Gwang-ju, Republic of Korea;2. Marine Research Institute, Samsung Heavy Industries Co., Ltd., Republic of Korea;1. School of Information and Electronics, Beijing Institute of Technology, Beijing, 100081, China;2. Wuxi WiO Technologies, Co. Ltd., Wuxi, China;3. Dept of Electrical and Computer Engineering, University of Florida, Gainesville, FL 32611, USA;1. MOE Key Laboratory for Multifunctional Materials and Structures, Xi’an Jiaotong University, Xi’an 710049, PR China;2. State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi''an Jiaotong University, Xi’an 710049, PR China;3. School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, PR China;4. School of Engineering, Brown University, Providence, RI 02912, USA;1. School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, PR China;2. Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, PR China;3. School of Electro-Mechanical Engineering, Guangdong University of Technology, Guangzhou 510006, PR China;1. Tsinghua-Foxconn Nanotechnology Research Center and Department of Physics, Tsinghua University, Beijing 100084, China;2. School of Materials Science & Engineering, Tsinghua University, Beijing 100084, China;3. College of Physics and Energy, Fujian Normal University, Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials, Fuzhou 350007, China |
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| Abstract: | This article presents the buckling behaviors of two types of WBK (Wire-woven Bulk Kagome) cored sandwich panels subjected to in-plane compression. Classical theories are introduced, and the experimental and numerical results are presented. The effects of several design parameters are analyzed. For both types, the peak loads were governed by macroplastic buckling. Low shear modulus and strength of the WBK core substantially influenced the buckling behaviors of the sandwich panels before and after their peaks. A small initial deflection greatly decreased the resistance against buckling of the sandwich panels with thinner cores, as confirmed by a two-stage FEA (Finite Element Analysis) and the analytic solution accounting for eccentricity. |
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| Keywords: | Wire-woven metal Sandwich Core Buckling |
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