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A numerical study of failure of an adhesive joint influenced by a void in the adhesive
Department of Materials Science and Engineering, Texas A&M University.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0003-1871-4020
Number of Authors: 22016 (English)In: Composite structures, ISSN 0263-8223, E-ISSN 1879-1085, Vol. 156, p. 165-170Article in journal (Refereed) Published
Abstract [en]

This study examines the effect of manufacturing induced voids on failure of adhesive joints. A single lap joint with preexisting crack between the adherend and the adhesive is considered and the crack growth behavior is studied in the presence of a void in the adhesive. The analysis conducted is numerical using finite elements and a revised virtual crack closure technique for calculating the energy release rate of the interface crack. After verifying the numerical model for a case where analytical solution exists, it is used to gain insight into the failure of the adhesive joint by conducting a parametric study where the size, shape and location of the void with respect to the crack tip are varied. The case of two preexisting cracks on opposite interfaces in the presence of a void is also examined.

Place, publisher, year, edition, pages
2016. Vol. 156, p. 165-170
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-15110DOI: 10.1016/j.compstruct.2015.12.052ISI: 000386752400017Scopus ID: 2-s2.0-84954290017Local ID: e936ab9e-e536-4a62-9e5b-63e5face69e5OAI: oai:DiVA.org:ltu-15110DiVA, id: diva2:988083
Note

Validerad; 2016; Nivå 2; 2016-11-24 (andbra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Talreja, Ramesh

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