<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Two methods of assessing fracture properties of adhesive joints were studied. Two wedge tests: with continuous deflection and with force measurements were compared. Asymmetric geometry of the bonded joint was considered, i.e. two different plates of aluminium alloys: Al-Cu and Al-Mg, were bonded with epoxy DGEBA adhesive. The analytical model is shown to estimate the values of fracture properties: crack position and critical fracture energy. It was found that both methods allow easy and reliable estimation and comparison of fracture properties, although some differences were observed.</p></abstract>

Two methods of assessing fracture properties of adhesive joints were studied. Two wedge tests: with continuous deflection and with force measurements were compared. Asymmetric geometry of the bonded joint was considered, i.e. two different plates of aluminium alloys: Al-Cu and Al-Mg, were bonded with epoxy DGEBA adhesive. The analytical model is shown to estimate the values of fracture properties: crack position and critical fracture energy. It was found that both methods allow easy and reliable estimation and comparison of fracture properties, although some differences were observed.

Reliable method of assessing fracture properties of asymmetric bonded joints

Faculty of Mechanical Engineering, Dept. of Material Science and Engineering, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland

Laboratoire de Mécanique Physique (LMP)-UMR CNRS, Université Bordeaux 1, 5469, 351 Cours de la Libération, 33405 Talence Cedex, France

Advances in Materials Science

{"article-title":"Reliable method of assessing fracture properties of asymmetric bonded joints"}

Two methods of assessing fracture properties of adhesive joints were studied. Two wedge tests: with continuous deflection and with force measurements were...

Reliable method of assessing fracture properties of asymmetric bonded joints

Publié en ligne: 23 juin 2010

Pages: 43 - 52

DOI: https://doi.org/10.2478/v10077-010-0004-2

Mots clés
bonded joints, adhesion, fracture, wedge test

This content is open access.

Reliable method of assessing fracture properties of asymmetric bonded joints

Publié en ligne: 23 juin 2010

Pages: 43 - 52

DOI: https://doi.org/10.2478/v10077-010-0004-2

Mots clésbonded joints, adhesion, fracture, wedge test

This content is open access.

Mots clés
bonded joints, adhesion, fracture, wedge test