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Strength of NCF composite bundles under biaxial stress
RISE, Swerea, SICOMP.ORCID iD: 0000-0002-2627-3280
RISE, Swerea, SICOMP.ORCID iD: 0000-0003-3755-6419
RISE, Swerea, SICOMP.
Volvo Aero Corporation, Sweden.
2011 (English)In: Proc. 32nd Risø International Symposium on Materials Science: Composite materials for structural performance: towards higher limits / [ed] S. Fæster, D. Juul Jensen, B. Ralph, B.F. Sørensen, Roskilde, Denmark: Risø National Laboratory for Sustainable Energy, DTU, Denmark , 2011, p. 415-421Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents experiments to support development of mesomechanics models for prediction of the strength of Non-Crimp Fabric (NCF) materials under tri-axial loading. Here we describe initial tests to characterise the failure envelope of the material in fibre bundles of a carbon fibre/epoxy NCF. Uniaxial loading of unidirectional off-axis specimens is used to obtain in-plane stress states ranging from highly shear dominated to fully transverse or axial tension, while future tests will include compressive stresses. The bundle material is represented by filament winding of unidirectional laminates and subsequent vacuum infusion of the resin. The resulting fibre volume fraction of 69% is representative of typical bundles in NCF materials. A modified Puck failure criterion provides reasonable predictions of the failure envelope.

Place, publisher, year, edition, pages
Roskilde, Denmark: Risø National Laboratory for Sustainable Energy, DTU, Denmark , 2011. p. 415-421
Series
Innventia report
Series
Proceedings of Risø International Symposium on Materials Science, ISSN 0907-0079
Keywords [en]
NCF, Strength, Biaxial loading
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-42622ISBN: 978-87-550-3925-4 (print)OAI: oai:DiVA.org:ri-42622DiVA, id: diva2:1384706
Conference
32nd Risø International Symposium on Materials Science. Risø, Denmark, 2011
Projects
ReFACT
Funder
Vinnova, 2009-01321Available from: 2020-01-10 Created: 2020-01-10 Last updated: 2020-01-30Bibliographically approved

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Olsson, RobinMarklund, Erik

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