Matériaux & Techniques
Volume 80, Number 4-5, 1992
|Page(s)||37 - 43|
|Published online||13 April 2017|
Étude de l'état des contraintes dans un assemblage collé d'un alliage d'aluminium AU4G et d'une résine époxyde
Stress analysis in a AU4G-epoxy joint
Attaché temporaire d'enseignement et de recherches, Université de Reims
2 Professeur des Universités, Université de Reims
3 Ingénieur au Laboratoire Léon-Brilloin (CEA/CNRS), Gif-sur-Yvette
4 Professeur des Universités, Université de Reims
We are concerned with the use of neutronic diffraction for stress analysis in adhesively bonded joints and comparison with usual results obtained by experimental and numerical way. The studied specimen is the one-lap, bevelled edged one, undergoing a traction force; the adherends are made of the alloy A U4G and the adhesive is a monocomponant one of epoxy type. Some basic formulae about neutronic diffraction are put in evidence in the framework of the tensorial theory of elasticity. Some experimental results with or without lacunas in the joint are deduced from the electrical extensometrical gauges method and compared with the neutronic diffusion method. A numerical approximation based on the finite element method is also provided. A particular attention is eventually payed to the residual stresses in the specimen.
© SIRPE 1992
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