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Jensen, Henrik Myhre
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Compressive strength prediction of carbon fiber-reinforced pultruded profiles including realistic volumetric fiber orientationscitations
- 2019Kink band predictions in fiber composites using periodic boundary conditionscitations
- 2018Micromechanics of kink band formation in open-hole fibre composites under compressive loadingcitations
- 2018Micromechanics of kink band formation in open-hole fibre composites under compressive loadingcitations
- 2016Experimental study of cracks at interfaces with voidscitations
- 2011Simulation of Post Failure Response in Fiber Composites
- 2007Interface fracture in adhesively bonded shell structurescitations
- 2006A Fracture Mechanical Model and a Cohesive Zone Model of Interface Fracture
- 2004Cohesive zone modelling of interface fracture near flaws in adhesive jointscitations
- 2003Crack initiation and growth in brittle bondscitations
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article
Cohesive zone modelling of interface fracture near flaws in adhesive joints
Abstract
A cohesive zone model is suggested for modelling of interface fracture near flaws in adhesive joints. A shear-loaded adhesive joint bonded with a planar circular bond region is modelled using both the cohesive zone model and a fracture mechanical model. Results from the models show good agreement of crack propagation on the location and shape of the crack front and on the initial joint strength. Subsequently, the cohesive zone model is used to model interface fracture through a planar adhesive layer containing a periodic array of elliptical flaws. The effects of flaw shape are investigated, as well as the significance of fracture process parameters. The results from simulations of fracture in a bond containing circular flaws show that localization of crack propagation in the vicinity of a flaw has significant effect on the joint strength and crack front shape. The localization effects are highly dependent on the fracture process zone width relative to the flaw dimensions. It is also seen that with increasing fracture process zone width, the strength variation with the flaw shape decreases, however, the strength is effected over a wider range of propagation, (C) 2004 Elsevier Ltd. All rights reserved.