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내충격 성능을 위한 알루미늄 폼재의 밀도와 기하학적 특성
김태원(Tae-Won Kim),김병조(Byoung-joe Kim),김용(Young Kim),김학인(Hakin Gimm) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.10
Factors affecting non-uniform foam structures include wrinkled morphology, foam shape, and irregular solid structures. These factors result in different mechanical properties even though the relative densities are very much similar. The purpose of this study was to investigate the effect of different cell structures including closed and open cell types of aluminum foam on mechanical properties. Geometric factors together with relative densities have been measured by using a micro-scanning apparatus followed by voxel software simulation. The mechanical properties then have been investigated by means of either compression or tension test. The relationship between the geometric characteristics and density was discussed.