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복합재료 와이어로 제작된 semi-WBK 의 전단 강도 예측 및 평가
강기주(Ki-Ju Kang),이기원(Ki-Won Lee),이병철(Byung-Chul Lee),변준형(Jun-Hyeung Byeun) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
Over the last decade, truss type cellular metals attract attention because of their strength per unit weight and potential of multi-functional using the inner space. Wire-woven Bulk Kagome(WBK) is a candidate for mass-producible and multi layered cores with Kagome truss structures. Recently, a new truss core of fiber reinforced plastic was introduced. As its name, semi-WBK, hints, the structure is similar to WBK. Mechanical behavior of compression on semi-WBK was reported. In this work, we predicted theoretical shear strength of semi-WBK and performed the experiment for verification.
이병철(Byung-Chul Lee),이정인(Jung-In Lee),변준형(Jun-Hyeung Byeun),강기주(Ki-Ju Kang) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
Recently, cellular metals with lattice truss structures attract attention because of their high strength per unit weight and potential of multi-function using the open inner space. Wire-woven bulk kagome (WBK) is a candidate for mass-producible and multi-layered cellular metals with kagome truss structure. In this work, two types of cellular composite structures are presented. One is the composite version of WBK, woven by elastically deformed wires and the other is pseudo bulk octet truss composed of straight wires. The mechanical behaviors under compression loading are presented and compared with conventional cellular materials. The composite WBK exhibits much better performance than the composite Octet, which seems to be attributed to the strong tie among composite wires twisted with one other. These new materials show good potential to be used as cores for monolithic composite sandwich panels.