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Testing of carbon/epoxy NCF strength under mixed in-plane loading
RISE, Swerea, Swerea SICOMP.
RISE, Swerea, Swerea SICOMP.
Cold Structures.
2012 (English)In: ECCM 2012 - Composites at Venice, Proceedings of the 15th European Conference on Composite MaterialsConference paper, Published paper (Refereed)
Abstract [en]

The measured stiffness and strength of a carbon/epoxy unidirectional NCF system in shear, tension and compression are compared with test results for the pure resin and for impregnated bundle material under various combinations of in-plane compressive and tensile loading. The study is a part of a project to develop mesomechanics models to predict failure of NCF materials under triaxial loading by use of data for the pure resin and for bundles impregnated by resin. A simplified analytical rule-of-mixtures model is suggested for stiffness and strength of the NCF material. Good agreement is shown for shear and tension along and transverse to the bundles. Compressive strengths are significantly underestimated, apparently due to deficiencies in the compressive test method used for the bundle material.

Place, publisher, year, edition, pages
European Conference on Composite Materials, ECCM , 2012.
Keyword [en]
Failure criteria, Multiaxial loading, Non-crimp fabrics
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-13101Scopus ID: 2-s2.0-84903975740ISBN: 9788888785332 (print)OAI: oai:DiVA.org:ri-13101DiVA: diva2:973297
Conference
15th European Conference on Composite Materials: Composites at Venice, ECCM 2012
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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