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Applications of equilibrium of configurational forces for the measurement of cohesive laws
University of Skövde, School of Engineering Science. University of Skövde, The Virtual Systems Research Centre. (Materialmekanik, Mechanics of Materials)ORCID iD: 0000-0003-0787-4942
2016 (English)In: Proceedings ECCM17: 17th European Conference on Composite Materials Munich, Germany, 26-30th June 2016, 2016Conference paper (Refereed)
Abstract [en]

A methodology to develop experimental methods to measure cohesive laws is introduced. This methodology is based on the property of all configurational forces equilibrium acting on a specimen to be in equilibrium. Two applications are given. The first shows a method to measure the cohesive law for shear representing the mechanical behaviour of an adhesive layer. The second application is a method to measure the cohesive law for the formation of a kink-band in a unidirectional composite. It is concluded that the methodology is critically dependent on the ability to associate a pseudopotential to the inelastic properties of the deforming material where the fracture process takes place. The importance to clearly identify the material that is modelled with the cohesive zone is also stressed.

Place, publisher, year, edition, pages
2016.
Keyword [en]
Configurational forces, Experimental method, Adhesive, Kink-band, Composite
National Category
Applied Mechanics
Research subject
Technology
Identifiers
URN: urn:nbn:se:his:diva-12659ISBN: 978-3-00-053387-7OAI: oai:DiVA.org:his-12659DiVA: diva2:945746
Conference
17th European Conference on Composite Materials, ECCM17, Munich, Germany, 26-30th June 2016
Projects
DesTex-HB Smarta textilier
Funder
Region Västra Götaland
Available from: 2016-07-03 Created: 2016-07-03 Last updated: 2016-12-07

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Stigh, Ulf
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