Bending response of sandwich panels with discontinuous wire-woven metal cores |
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Affiliation: | 1. Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, Northeastern University, 3-11 Wenhua Road, Shenyang 110819, PR China;2. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, PR China |
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Abstract: | The effects of a gap between discontinuous WBK (Wire-woven Bulk Kagome) cores on the bending properties of mild steel sandwich panels were elaborated. Analytic solutions were derived, and the experimental and numerical results of the bending response of sandwich panels with continuous and discontinuous WBK cores were presented. The analytic solutions of sandwich panels with continuous or discontinuous WBK cores under bending load provided good estimations of the failure mode, peak load, and bending stiffness in comparison with the experimental results. The strength and stiffness of sandwich panels with discontinuous WBK cores under bending load often substantially deteriorated depending on the gap width between the cores and on the detailed geometry near the gap. The analytic solutions successfully explained how the deterioration of the bending strength or stiffness could be minimized, when two separate sandwich panels or cores are to be joined. |
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Keywords: | Wire-woven metal Sandwich Core Bending |
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