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Mode II fracture energy in the adhesive bonding of dissimilar substrates: carbon fibre composite to aluminium joints
Alia, Cristina and Arenas, Jose Manuel and Suárez Bermejo, Juan Carlos and Narbon Prieto, Julian Jose and Ocaña Lopez, Rosa Concepcion
Mode II fracture energy in the adhesive bonding of dissimilar substrates: carbon fibre composite to aluminium joints.
"Journal of Adhesion Science And Technology", v. 27
||Mode II fracture energy in the adhesive bonding of dissimilar substrates: carbon fibre composite to aluminium joints
Arenas, Jose Manuel
Suárez Bermejo, Juan Carlos
Narbon Prieto, Julian Jose
Ocaña Lopez, Rosa Concepcion
|Título de Revista/Publicación:
||Journal of Adhesion Science And Technology
||Structural adhesives, Aluminium-composite joints, ENF test, Fracture energy
||E.U.I.T. Industrial (UPM)
||Expresión Gráfica Industrial [hasta 2014]
|Creative Commons Licenses:
||Recognition - No derivative works - Non commercial
The end-notched flexure (ENF) test calculates the value of mode II fracture energy in adhesive
bonding between the substrates of same nature. Traditional methods of calculating
fracture energy in the ENF test are not suitable in cases where the thickness of the adhesive
is non-negligible compared with adherent thicknesses. To address this issue, a specific
methodology for calculating mode II fracture energy has been proposed in this paper. To
illustrate the applicability of the proposed method, the fracture energy was calculated by
the ENF test for adhesive bonds between aluminium and a composite material, which considered
two different types of adhesive (epoxy and polyurethane) and various surface treatments.
The proposed calculation model provides higher values of fracture energy than
those obtained from the simplified models that consider the adhesive thickness to be zero,
supporting the conclusion that the calculation of mode II fracture energy for adhesives with
non-negligible thickness relative to their adherents should be based on mathematical models,
such as the method proposed in this paper, that incorporate the influence of this thickness.
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