Effect of Water Immersion on Interfacial Strength of a Metal/Epoxy Joint


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Metal/resin joints have been widely used for automotive, electrical device and others. The degradation of interfacial strength of the joints through the effects of moisture is one of the important deterioration mechanisms in their structure applications. In this study, the interfacial strength of an aluminum-alloy/epoxy-resin joint was evaluated by the indentation test using of the instrumented indentation machine developed by ourselves. The in-situ observations of delamination cracking were carried out during the indentation test. The interfacial fracture toughness of the joint was evaluated from the relationship between the indentation load and the crack length. The effect of immersion into service water on the evaluated interfacial strength of the joint was discussed.



Edited by:

Luis Rodríguez-Tembleque, Jaime Domínguez and Ferri M.H. Aliabadi




Y. Yamazaki and K. Kudo, "Effect of Water Immersion on Interfacial Strength of a Metal/Epoxy Joint", Key Engineering Materials, Vol. 774, pp. 289-294, 2018

Online since:

August 2018




* - Corresponding Author

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