A simple continuum damage model for adhesively bonded butt joints |
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| Authors: | Eduardo M Sampaio Fernando Luiz Bastian Heraldo S Costa Mattos |
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| Institution: | a Institute Politécnico do Rio de Janeiro, Universidade do Estado do Rio de Janeiro, Nova Friburgo, RJ 28601-970, Brazil;b COPPE, Programa de Engenharia Metalúrgica e de Materiais, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ 21945-970, Brazil;c Laboratório de Mecânica Teórica e Aplicada, Departamento de Engenharia Mecânica, Universidade Federal Fluminense, Niterói, RJ 24210-240, Brazil |
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| Abstract: | The present work is concerned with the study of the damage behavior of adhesive joints consisting of an epoxy adhesive layer bonding aluminium alloy substrates. A model for butt joints, developed within the framework of Continuum Damage Mechanics, that accounts for the effect of the thickness of the adhesive layer on the strength of the system is proposed and analyzed. The predicted values of rupture stress for different values of the thickness of the adhesive layer are compared with experimental data, showing a good agreement. |
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| Keywords: | Aluminium-epoxy butt joints Damage mechanics Strength analysis Adhesive layer thickness |
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