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Reliable method of assessing fracture properties of asymmetric bonded joints


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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.

eISSN:
2083-4799
ISSN:
1730-2439
Idioma:
Inglés
Calendario de la edición:
4 veces al año
Temas de la revista:
Ciencia de los materiales, Materiales funcionales e inteligentes