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Influence of surface treatment and ageing on static and fatigue behavior of Aluminium/Acrylic PSA joints

Y. Ballesteros, A. Hernández García, N. Cobo, J.C. del Real-Romero

The adhesive bonding is today one of the most widespread techniques for advanced structures. Among the various types of adhesives, pressure sensitive adhesives (PSA) have a number of advantages such as a quick adhesion, easy application and a high level of impact strength and vibration damping. Within these PSA, the acrylic foam tapes are increasingly used to replace mechanical joints or adhesive in liquid or paste [1]. Applications of these tapes include sectors such as public transport vehicles, street furniture, architectural panels, etc., where their flexibility, energy damping properties, strength and toughness and sealing capabilities make them a good choice for semi-structural applications. [2,3]. In addition, they do not require curing, have a good resistance to UV radiation and long-term durability compared to other adhesives [4]. The objective of this study was to determine the effect of surface treatment of several acrylic double sided tapes under ageing conditions. Static, fatigue and impact strength were determined. The results showed that the primer provide a better behaviour after ageing cycles when these joints are tested under fatigue conditions. These results where also confirmed in the impact test.


4th International Conference on Structural Adhesive Bonding, Oporto, Norte (Portugal). 06 julio 2017

Fecha de publicación: julio 2017.



Cita:
Y. Ballesteros, A. Hernández García, N. Cobo, J.C. del Real-Romero, Influence of surface treatment and ageing on static and fatigue behavior of Aluminium/Acrylic PSA joints, 4th International Conference on Structural Adhesive Bonding - AB2017, Oporto, Portugal, 06-07 Julio 2017.


    Líneas de investigación:

IIT-17-143A_abstract

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