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:
?? MECHANICS OF MATERIALSMATERIALS SCIENCE(ALL)MECHANICAL ENGINEERING ??
ID Code:
82067
Deposited By:
Deposited On:
07 Oct 2016 14:08
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Sep 2023 01:24