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International Journal for Multiscale Computational Engineering
Facteur d'impact: 1.016 Facteur d'impact sur 5 ans: 1.194 SJR: 0.554 SNIP: 0.82 CiteScore™: 2

ISSN Imprimer: 1543-1649
ISSN En ligne: 1940-4352

International Journal for Multiscale Computational Engineering

DOI: 10.1615/IntJMultCompEng.v5.i2.50
pages 117-127

Progressive Interface Failure under Shear Stresses Based on a Two-Dimensional Model of Decohesion

Francesca Campi
Department of Structural and Geotechnical Engineering, University of Genova, Via Montallegro 1,16145 Genova, Italy
Ilaria Monetto
Department of Structural and Geotechnical Engineering, University of Genova, Via Montallegro 1,16145 Genova, Italy

RÉSUMÉ

The attention is focused on the problem of decohesion at interfaces of similar/dissimilar materials in composite structures. With reference to thin plane structures adhesively bonded to rigid substrates, tractions transmitted between opposite faces into contact as well as initiation and propagation of damage to complete decohesion are analyzed. In particular, two simplified (one- and two-dimensional) structural models are formulated and applied to simulate the standard adhesion test method on single-lap joints under shear stresses. The analytical and numerical results obtained are then used to evaluate the accuracy of the results of strength tests.


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