NUMERICAL SIMULATIONS OF CRACK PROPAGATION TESTS IN ADHESIVE BONDED JOINTS

Authors

  • SILVIO DE BARROS NUCLEO DE ESTUDOS E PESQUISAS EM MATERIAIS NEPEM-UFPB JOãO PESSOA/PB - CEP 58059-900 BRAZIL
  • LAURENT CHAMPANEY LMT CACHAN 61, AV DU PT WILSON - 94235 CACHAN CEDEX FRANCE
  • NUNZIANTE VALOROSO DIPARTIMENTO PER LE TECNOLOGIE, UNIVERSITA DI NAPOLI PARTHENOPE, CENTRO DIREZIONALE ISOLA C4, 80143 NAPOLI, ITALY

Keywords:

BONDED JOINTS, COHESIVE-ZONE MODEL, CRACK PROPAGATION TESTS

Abstract

MAINLY DUE TO THEIR LOW WEIGHT, LOW COST AND EASE OF ASSEMBLY, THE ADHESIVE BONDS HAVE EMERGED AS A PROMISING TECHNOLOGY. HOWEVER, THE LACK OF ADEQUATE TOOLS OF DESIGN AND CONTROL REMAIN AN OBSTACLE TO THE USE OF THE ADHESIVES. IN THIS WORK A COHESIVE INTERFACE MODEL FORMULATED WITHIN THE FRAMEWORK OF DAMAGE MECHANICS IS APPLIED FOR THE SIMULATION OF DECOHESION DURING CRACK PROPAGATION TESTS. CONSIDERING THE MECHANICAL TESTS OF ALUMINIUM/EPOXY SPECIMENS, COMPARISONS BETWEEN EXPERIMENTAL AND NUMERICAL RESULTS ARE PRESENTED.

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Published

2012-06-30

Issue

Vol. 9 No. 3 (2012)

Section

Articles

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