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Growth and interaction of debonds in local clusters of fibers in unidirectional composites during transverse loading
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0001-9649-8621
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-5285-5831
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
Universite de Lorraine, Nancy.
2017 (English)In: Key Engineering Materials, ISSN 1013-9826, E-ISSN 1662-9795, Vol. 734, p. 63-66Article in journal (Refereed) Published
Abstract [en]

Fiber/matrix debonding in transverse tensile loading of a unidirectional composite is analyzed calculating energy release rate (ERR) for interface crack propagation. Non-uniform fiber distribution (local hexagonal fiber clustering) is assumed in the model. The matrix region containing the central fiber with the debond and the 6 surrounding fibers is embedded in a large block of homogenized composite which has the same fiber content as the region analyzed explicitly. Some of the fibers surrounding the central fiber may also have a debond. The effect of the local clustering and of the presence of other debonds on magnification of the ERR is analyzed

Place, publisher, year, edition, pages
Trans Tech Publications Inc., 2017. Vol. 734, p. 63-66
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-65974DOI: 10.4028/www.scientific.net/KEM.754.63Scopus ID: 2-s2.0-85029906900OAI: oai:DiVA.org:ltu-65974DiVA, id: diva2:1147182
Conference
16th International Conference on Fracture and Damage Mechanics, 2017, Florence, Italy, 18 July - 20 July 2017
Note

Konferensartikel i tidskrift

Available from: 2017-10-05 Created: 2017-10-05 Last updated: 2018-06-08Bibliographically approved

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Varna, JanisZhuang, LinqiPupurs, Andrejs

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