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Strength of fibres in low-density thermally bonded nonwovens: an experimental investigation

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posted on 12.01.2015, 12:01 by Farukh Farukh, Emrah DemirciEmrah Demirci, Memis Acar, Behnam Pourdeyhimi, Vadim SilberschmidtVadim Silberschmidt
Mechanical properties of nonwovens related to damage such as failure stress and strain at that stress depend on deformation and damage characteristics of their constituent fibres. Damage of polypropylene-fibre commercial low-density thermally bonded nonwovens in tension was analysed with tensile tests on single fibres, extracted from nonwovens bonded at optimal manufacturing parameters and attached to individual bond points at both ends. The same tests were performed on raw polypropylene fibres that were used in manufacturing of the analysed nonwovens to study quantitatively the effect of manufacturing parameters on tenacity of fibres. Those tests were performed with a wide range of strain rates. It was found that the fibres break at their weakest point, i.e. bond edge, in optimally bonded nonwovens. Additionally, failure stress and strain in tension of a fibre extracted from the fabric were significantly lower than those of virgin fibre. Since damage in nonwovens occurs by progressive failure of fibres, those experiments were used to establish damage initiation and propagation in thermally bonded nonwovens based on polypropylene fibres. Moreover, the results obtained from the experiments are useful to simulate the damage behaviour of nonwoven fabrics.



  • Mechanical, Electrical and Manufacturing Engineering

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Journal of Physics: Conference Series


382 012018


1 - 7


FARUKH, F ... et al, 2012. Strength of fibres in low-density thermally bonded nonwovens: an experimental investigation. Journal of Physics: Conference Series, 382, 012018, 7pp.




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Published under licence in Journal of Physics: Conference Series by IOP Publishing Ltd. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI (http://dx.doi.org/10.1088/1742-6596/382/1/012018). This paper was presented as a conference paper at: Modern Practice in Stress and Vibration Analysis 2012 (MPSVA 2012), 28–31 August 2012, University of Glasgow.




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