Matériaux & Techniques
Volume 86, Number 9-10, 1998
|Page(s)||38 - 44|
|Published online||13 April 2017|
Assemblage collé : influence des états de surface sur les propriétés mécaniques. Etude expérimentale de l’assemblage du type escalier simple
Experimental study of the influence of surface preparation of the adherends on the mechanical behaviour of the stepped single lap bonded joint
Equipe de recherche en Comportement Mécanique des Matériaux et des Structures, Groupe de Mécanique, Matériaux et Structures, Université de Reims Champagne-Ardenne
This paper deals with the influence of surface preparation (especially with surface roughness) of the adherends, on the fine mechanical behaviour of the stepped single-lap joint subjected to an uniaxial tensile load. Various surface treatments are carried out onto the metallic adherends with a reproducible-condition procedure.
Damage regions in the joint such as global elastic range, microcrack start, growth of microcracks in a steady manner or their propagation up to failure are determined by experimental methods based on strain gauge measurements and acoustic emission.
The agreement between experimental results and theoretical strain field solutions is discussed.
© SIRPE 1998
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