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Vol. 29. Issue 1.
Materiais 2015
Pages e114-e118 (January - April 2017)
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Vol. 29. Issue 1.
Materiais 2015
Pages e114-e118 (January - April 2017)
DOI: 10.1016/j.ctmat.2016.04.009
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Strength and failure modes of single-L adhesive joints between aluminium and composites
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N.R.E. Dominguesa, J.C. Trojanb, R.D.S.G. Campilhoa,
Corresponding author
raulcampilho@gmail.com

Corresponding author.
, R.J.C. Carbasb, M.D. Baneac, L.F.M. da Silvab
a Departamento de Engenharia Mecânica, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072 Porto, Portugal
b Departamento de Engenharia Mecânica, Faculdade de Engenharia da Universidade do Porto, Rua Dr. Roberto Frias, s/n, 4200-465 Porto, Portugal
c Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, CEFET/RJ, Brasil
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Abstract

Adhesive bonding is a process of permanent union between the components of a structure, which is used to manufacture complex shape structures, which could not be manufactured in one piece, aiming to provide a structural joint that theoretically should be at least as resistant as the base material. Composite materials reinforced with fibres are becoming increasingly popular in many applications, as a result of a number of competitive advantages over conventional materials. Regarding the manufacture of composite structures, although the currently used techniques reduce to the maximum the connections, these are still necessary due to the typical size of the components and design, technological and logistical limitations. Moreover, it is known that in many high performance structures, it is necessary to join components in composite materials with other light metals such as aluminium, for the purpose of structural optimization. This work aims to experimentally and numerically study single-L adhesive joints between aluminium components and carbon-fibre reinforced composite structures under peeling loads, considering different geometric conditions and adhesives. It was found that the adhesive ductility and aluminium plate thickness are highly relevant parameters to improve the joints strength.

Keywords:
Adhesive joints
finite element method
cohesive zone models
single-L joints
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Copyright © 2017. Portuguese Society of Materials (SPM)
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