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Constitutive behavi...
Constitutive behaviour of mixed mode loaded adhesive layer
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- Högberg, J. Li (author)
- Högskolan i Skövde,Institutionen för teknik och samhälle
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- Sørensen, B. F. (author)
- Tech Univ Denmark, Mat Res Dept, Riso Natl Lab, DK-4000 Roskilde, Denmark
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- Stigh, Ulf (author)
- Högskolan i Skövde,Institutionen för teknik och samhälle
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(creator_code:org_t)
- Elsevier, 2007
- 2007
- English.
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In: International Journal of Solids and Structures. - : Elsevier. - 0020-7683 .- 1879-2146. ; 44:25-26, s. 8335-8354
- Related links:
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https://doi.org/10.1...
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Abstract
Subject headings
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- Mixed mode testing of adhesive layer is performed with the Mixed mode double Cantilever Beam specimen. During the experiments, the specimens are loaded by transversal and/or shear forces; seven different mode mixities are tested. The J-integral is used to evaluate the energy dissipation in the failure process zone. The constitutive behaviour of the adhesive layer is obtained by a so called inverse method and fitting an existing mixed mode cohesive model, which uses a coupled formulation to describe a mode dependent constitutive behaviour. The cohesive parameters are determined by optimizing the parameters of the cohesive model to the experimental data. A comparison is made with the results of two fitting procedures. It is concluded that the constitutive properties are coupled, i.e. the peel and shear stress depend on both the peel and shear deformations. Moreover, the experiments show that the critical deformation in the peel direction is virtually independent of the mode mixity.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Adhesive layer
- Mixed mode testing
- J-integral
- Constitutive behaviour
- Cohesive law
- Inverse method
- Surfaces and interfaces
- Ytor och mellanytor
- Teknik
- Technology
Publication and Content Type
- ref (subject category)
- art (subject category)
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