Reliable method of assessing fracture properties of asymmetric bonded joints

Tysarczyk, J.; Budzik, M.; Jumel, J.; Imielińska, K.; Shanahan, M.

doi:10.2478/v10077-010-0004-2

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.

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Reliable method of assessing fracture properties of asymmetric bonded joints

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