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Measurement of cohesive laws and related problems
University of Skövde, School of Technology and Society. University of Skövde, The Virtual Systems Research Centre.ORCID iD: 0000-0003-0787-4942
University of Skövde, School of Technology and Society. University of Skövde, The Virtual Systems Research Centre.
University of Skövde, School of Technology and Society. University of Skövde, The Virtual Systems Research Centre.ORCID iD: 0000-0001-8335-0855
2009 (English)In: Proceedings of the ASME International Mechanical Engineering Congress and Exposition: IMECE2009, ASME Press, 2009, 293-298 p.Conference paper, (Refereed)
Abstract [en]

Cohesive modelling provides a simple method to introduce a process region in models of fracture. It is computationally attractive since it blends into the structure of finite element programmes for stress analysis. The development of computational methods and applications of cohesive modelling has accelerated during recent years. Methods to measure cohesive laws have also been developed. One class of such methods is based on the path-independence of the J-integral. By choosing a path encircling the cohesive zone, J can be shown to be given by the area under the traction-separation relation for the cohesive zone. Using an alternative path, J can in some cases be directly related to the applied load and deformation with relatively modest or no assumptions on the material behaviour. Thus, the cohesive law can be measured.

Methods to measure cohesive laws for different specimen geometries are presented. The method are used to measure the cohesive law in peel, shear and mixed-mode for an adhesive layer. A new method to measure cohesive laws in shear is presented. The method is shown to give accurate data with a much smaller test pecimen than earlier methods.

Place, publisher, year, edition, pages
ASME Press, 2009. 293-298 p.
National Category
Engineering and Technology
Research subject
Technology
Identifiers
URN: urn:nbn:se:his:diva-3723DOI: 10.1115/IMECE2009-10474ISI: 000282107300051Scopus ID: 2-s2.0-78049367134ISBN: 978-0-7918-3863-1 ISBN: 978-0-7918-4384-0 OAI: oai:DiVA.org:his-3723DiVA: diva2:298951
Conference
Proceedings of the 2009 International Mechanical Engineering Congress & Exposition : November 13-19, 2009, Lake Buena Vista, Florida, USA
Available from: 2010-02-22 Created: 2010-02-22 Last updated: 2015-12-28Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
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More languages
Output format
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  • asciidoc
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