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Damage and plasticity in adhesive layer: an experimental study
University of Skövde, The Virtual Systems Research Centre. University of Skövde, School of Technology and Society.
University of Skövde, The Virtual Systems Research Centre. University of Skövde, School of Technology and Society.
2010 (English)In: International Journal of Fracture, ISSN 0376-9429, E-ISSN 1573-2673, Vol. 165, no 1, 93-103 p.Article in journal (Refereed) Published
Abstract [en]

An experimental method is developed to identify a suitable model of in-elastic behaviour of an adhesive layer. Two prototype models are considered: an elastic-plastic model where the in-elasticity is considered due to permanent straining of the adhesive and an elastic-damage model where the in-elasticity is due to a reduction in elastic stiffness. Simulations show that the evaluated property is sensitive to the choice of model. In the experimental study of an engineering epoxy adhesive, the elastic-damage model fits the experiments. The study also reveals that plasticity and damage accumulated at the crack tip influences the evaluated fracture properties.

Place, publisher, year, edition, pages
Springer Science+Business Media B.V., 2010. Vol. 165, no 1, 93-103 p.
Keyword [en]
Adhesive, Epoxy, Elastic-damage, Elastic-plastic, DCB-specimen, Peel, R-curve
National Category
Engineering and Technology
Research subject
Technology
Identifiers
URN: urn:nbn:se:his:diva-4384DOI: 10.1007/s10704-010-9508-3ISI: 000279593600007Scopus ID: 2-s2.0-77954622725OAI: oai:DiVA.org:his-4384DiVA: diva2:350005
Available from: 2010-09-09 Created: 2010-09-09 Last updated: 2013-04-09Bibliographically approved

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Citation style
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