Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/4118
Título: Influence of the cohesive law parameters on the strength prediction of adhesively-bonded joints
Autor: Campilho, Raul
Chaves, Filipe J. P.
Pinto, A. M. G.
Banea, Mariana D.
Silva, Lucas F. M. da
Palavras-chave: Bonded joints
Finite element method
Cohesive zone models
Single-lap
Data: 2013
Editora: Trans Tech Publications
Relatório da Série N.º: Materials Science Forum; Vol. 730-732
Resumo: Adhesive joints are largely employed nowadays as a fast and effective joining process. The respective techniques for strength prediction have also improved over the years. Cohesive Zone Models (CZM’s) coupled to Finite Element Method (FEM) analyses surpass the limitations of stress and fracture criteria and allow modelling damage. CZM’s require the energy release rates in tension (Gn) and shear (Gs) and respective fracture energies in tension (Gnc) and shear (Gsc). Additionally, the cohesive strengths (tn0 for tension and ts0 for shear) must also be defined. In this work, the influence of the CZM parameters of a triangular CZM used to model a thin adhesive layer is studied, to estimate their effect on the predictions. Some conclusions were drawn for the accuracy of the simulation results by variations of each one of these parameters.
Peer review: yes
URI: http://hdl.handle.net/10400.22/4118
ISSN: 0255-5476
Versão do Editor: http://www.scientific.net/MSF.730-732.1000
Aparece nas colecções:ISEP – CIDEM – Artigos

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