Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/7384
Título: Tensile fracture characterization of adhesive joints by standard and optical techniques
Autor: Constante, C.J.
Campilho, Raul
Moura, D.C.
Palavras-chave: Aluminium alloys
Fracture toughness
Double-Cantilever Beam
Data: 2015
Editora: Elsevier
Relatório da Série N.º: Engineering Fracture Mechanics;Vol. 136
Resumo: The use of adhesive joints has increased in recent decades due to its competitive features compared with traditional methods. This work aims to estimate the tensile critical strain energy release rate (GIC) of adhesive joints by the Double-Cantilever Beam (DCB) test. The J-integral is used since it enables obtaining the tensile Cohesive Zone Model (CZM) law. An optical measuring method was developed for assessing the crack tip opening (δn) and adherends rotation (θo). The proposed CZM laws were best approximated by a triangular shape for the brittle adhesive and a trapezoidal shape for the two ductile adhesives.
Peer review: yes
URI: http://hdl.handle.net/10400.22/7384
DOI: 10.1016/j.engfracmech.2015.02.010
Versão do Editor: http://www.sciencedirect.com/science/article/pii/S0013794415000508
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