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A constitutive model for self-reinforced ductile polymer composites
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering. KTH, School of Engineering Sciences (SCI), Centres, VinnExcellence Center for ECO2 Vehicle design.ORCID iD: 0000-0003-1509-8824
2015 (English)In: Composites. Part A, Applied science and manufacturing, ISSN 1359-835X, Vol. 71, 32-39 p.Article in journal (Refereed) Published
Abstract [en]

Self-reinforced polymer composites are gaining increasing interest due to their higher ductility compared to traditional glass and carbon fibre composites. Here we consider a class of PET composites comprising woven PET fibres in a PET matrix. While there is a significant literature on the development of these materials and their mechanical properties, little progress has been reported on constitutive models for these composites. Here we report the development of an anisotropic visco-plastic constitutive model for PET composites that captures the measured anisotropy, tension/compression asymmetry and ductility. This model is implemented in a commercial finite element package and shown to capture the measured response of PET composite plates and beams in different orientations to a high degree of accuracy.

Place, publisher, year, edition, pages
2015. Vol. 71, 32-39 p.
Keyword [en]
Thermoplastic resin, Anisotropy, Finite element analysis (FEA), Self-reinforced composite
National Category
Composite Science and Engineering
URN: urn:nbn:se:kth:diva-163948DOI: 10.1016/j.compositesa.2015.01.003ISI: 000350839800004ScopusID: 2-s2.0-84921418647OAI: diva2:810363

QC 20150507

Available from: 2015-05-07 Created: 2015-04-13 Last updated: 2015-05-07Bibliographically approved

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Schneider, Christof
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Aeronautical and Vehicle EngineeringVinnExcellence Center for ECO2 Vehicle design
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