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题名: X-ray tomography of a crumpled plastoelastic thin sheet
作者: Hong TM
Lin YC1
Sun JM
Yang HW
Hwu Y
Wang CL
贡献者: 國立臺灣海洋大學:光電科學研究所
日期: 2009-12
上传时间: 2018-07-16T01:01:21Z
摘要: Abstract: Three-dimensional x-ray tomography is performed to investigate the internal structure and its evolution of a crumpled aluminum foil ball. The upper and lower bounds of the internal geometric fractal dimension are determined, which increase with the compression. Contrary to the simulation results, we find that the mass distribution changes from being inhomogeneous to uniform. Corroborated with the evidence from previous experiments, these findings support the physical picture that the elastic property precedes the plastic one at dominating the deformation and mechanical response for all crumpled structures. We show that the interior of a crumpled ball at the plastic regime can be mapped to the compact packing of a granular system.
關聯: 80(6)
显示于类别:[光電科學研究所] 期刊論文


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