Testing method to determine the strength and fracture toughness of adhesives in a single continuous test

In this work, a new testing method for adhesive joints under tensile loading is presented. This method comprised three pull-off tests and one peel test in one single loading step, which enables the determination of the strength and fracture toughness of the adhesive. The properties determined can be...

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Bibliographic Details
Published in:Theoretical and applied fracture mechanics 2023-12, Vol.128, p.104119, Article 104119
Main Authors: Borges, C.S.P., Marques, E.A.S., Carbas, R.J.C., Akhavan-Safar, A., Ueffing, C., Weißgraeber, P., da Silva, L.F.M.
Format: Article
Language:English
Subjects:
Adhesive joints
Combined testing method
Fracture toughness
Peel
Pull-off
Strength
Citations: Items that this one cites
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Summary:In this work, a new testing method for adhesive joints under tensile loading is presented. This method comprised three pull-off tests and one peel test in one single loading step, which enables the determination of the strength and fracture toughness of the adhesive. The properties determined can be of the adhesive, if cohesive failure occurs, or of the interface, in the event of adhesive failure. To validate the testing method, the adhesive used was a commercially available silicone, for which strength and fracture toughness had already been determined using standard methods. It was concluded that this method accurately enables the determination of strength and toughness, using one single joint and loading step.
ISSN:0167-8442
1872-7638
DOI:10.1016/j.tafmec.2023.104119