Non-uniformity of deformation in low-density thermally point bonded non-woven material:effect of microstructure

Hou, Xiaonan and Acar, Memis and Silberschmidt, Vadim (2011) Non-uniformity of deformation in low-density thermally point bonded non-woven material:effect of microstructure. Journal of Materials Science, 46 (2). 307–315. ISSN 0022-2461

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Abstract

One of the most important characteristic features of a low-density thermally bonded non-woven material is its discontinuous and non-uniform microstructure, resulting in a complicated and unstable deformation mechanism of the material. In order to estimate the effects of such microstructure on the overall mechanical properties of the non-woven material, tensile tests are carried out for specimens with different systems of marks for both two principle directions—machine direction and cross direction—with images being captured with high-speed camera. The non-uniform strain fields are analysed based on the obtained images. Discontinuous finite-element models are developed to study the deformation mechanism of non-woven specimens in both principle directions, and the effects of the discontinuous and non-uniform fibrous network and different arrangements of bond points are analysed numerically.

Item Type: Journal Article
Journal or Publication Title: Journal of Materials Science
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/2200/2210
Subjects:
Departments: Faculty of Science and Technology > Engineering
ID Code: 82067
Deposited By: ep_importer_pure
Deposited On: 07 Oct 2016 14:08
Refereed?: Yes
Published?: Published
Last Modified: 14 Feb 2020 04:07
URI: https://eprints.lancs.ac.uk/id/eprint/82067

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