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Creating three-dimensional (3D) fiber networks with out-of-plane auxetic behavior over large deformations
Indian Institute of Technology Delhi; Fraunhofer Institute for Industrial Mathematics (ITWM); Institut für Textil- und Verfahrenstechnik.
University of Borås, Faculty of Textiles, Engineering and Business.
MLV Textile & Engineering College.
Institut für Textil- und Verfahrenstechnik.
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2017 (English)In: Journal of Materials Science, ISSN 0022-2461, E-ISSN 1573-4803, Vol. 52, no 5, 2534-2548 p.Article in journal (Refereed) Published
Abstract [en]

Fiber networks with out-of-plane auxetic behavior have been sporadically investigated. One of the major challenges is to design such materials with giant negative Poisson’s ratio over large deformations. Here in, we report a systematic investigation to create three-dimensional (3D) fiber networks in the form of needlepunched nonwoven materials with out-of-plane auxetic behavior over large deformations via theoretical modeling and extensive set of experiments. The experimental matrix has encapsulated the key parameters of the needlepunching nonwoven process. Under uniaxial tensile loading, the anisotropy coupled with local fiber densification in networks has yielded large negative Poisson’s ratio (up to −5.7) specifically in the preferential direction. The in-plane and out-of-plane Poisson’s ratios of fiber networks have been predicted and, subsequently, compared with the experimental results. Fiber orientation was found to be a core parameter that modulated the in-plane Poisson’s ratio of fiber networks. A parametric analysis has revealed the interplay between the anisotropy of the fiber network and the out-of-plane Poisson’s ratio based upon constant volume consideration.

Place, publisher, year, edition, pages
2017. Vol. 52, no 5, 2534-2548 p.
National Category
Textile, Rubber and Polymeric Materials
Identifiers
URN: urn:nbn:se:hb:diva-11536DOI: 10.1007/s10853-016-0547-7Scopus ID: 84995520629OAI: oai:DiVA.org:hb-11536DiVA: diva2:1060572
Available from: 2016-12-29 Created: 2016-12-29 Last updated: 2016-12-30Bibliographically approved

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Publisher's full textScopushttp://link.springer.com/article/10.1007/s10853-016-0547-7

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf