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Cohesive Laws for Delamination of CFRP: Experiments and Models
Högskolan i Skövde, Forskningscentrum för Virtuella system. Högskolan i Skövde, Institutionen för teknik och samhälle.
2010 (engelsk)Inngår i: ASME 2010 International Mechanical Engineering Congress and Exposition: Volume 9: Mechanics of Solids, Structures and Fluids, ASME Press, 2010, s. 45-50Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In the present paper, we study delamination of a carbon fibre reinforced composite at a small length scale, i.e. without consideration of crack bridging. The study is performed within the framework of cohesive modelling. We propose methods based on the applications of the path independent J-integral to measure the cohesive law for delamination. With a DCB-specimen, the cohesive law corresponding to mode I loading is measured and with an ENF-specimen, the law corresponding to mode II loading is measured. These laws are used to calibrate a mixed-mode cohesive law. It is argued that the most important parameters of a cohesive law are the ability to provide the correct fracture energy and strength. The cohesive law is developed using a minimum of adjustable parameters to provide a transparent calibration process.

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ASME Press, 2010. s. 45-50
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URN: urn:nbn:se:his:diva-4608DOI: 10.1115/IMECE2010-37482ISBN: 978-0-7918-3891-4 ISBN: 978-0-7918-4446-5 OAI: oai:DiVA.org:his-4608DiVA, id: diva2:390161
Konferanse
ASME 2010 International Mechanical Engineering Congress and Exposition, Vancouver, British Columbia, Canada, November 12–18, 2010
Tilgjengelig fra: 2011-01-21 Laget: 2011-01-21 Sist oppdatert: 2017-11-27bibliografisk kontrollert

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Stigh, Ulf

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