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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47298

Title: X-ray tomography of a crumpled plastoelastic thin sheet
Authors: Hong TM
Lin YC1
Sun JM
Yang HW
Hwu Y
Wang CL
Contributors: 國立臺灣海洋大學:光電科學研究所
Date: 2009-12
Issue Date: 2018-07-16T01:01:21Z
Abstract: 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.
Relation: 80(6)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/47298
Appears in Collections:[光電科學研究所] 期刊論文

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