Influence of the mechanical behaviour of different adhesives on an interference-fit cylindrical joint |
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Affiliation: | 1. University of Cadiz, Faculty of Engineering, Av. Universidad de Cádiz 10, Puerto Real E-11519, Spain;2. NANOTURES, SL, c/ Inteligencia 19 Tecnoparque Agroalimentario, Jerez de la Frontera E-11591, Spain |
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Abstract: | Hybrid adhesive joining techniques are often used in many industrial sectors to design lightweight structures. A hybrid adhesive joint results from the combination of adhesive bonding with other traditional joining methods such as welding and mechanical fastening, with the aim of combining the advantages of the different techniques and overcoming their drawbacks.This study focuses on the interference fitted/adhesive bonded joining technique. In this application, two cylindrical components are coupled together by inserting one into the other, after having placed an adhesive between them. Generally anaerobic acrylic adhesives, also known as “retaining compound” are used for this application. However the effect of the adhesive nature and of its mechanical and adhesive responses on the performance of the hybrid joint is still unclear. The aim of the present research is to improve the understanding of the behaviour of different adhesives, including rigid epoxies and flexible polyurethanes, in the presence of an interference-fit. Static strength of bonded and unbonded interference fit joints have been compared in order to investigate the role of the different adhesives. |
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Keywords: | Interference fit Mechanical properties of adhesives Destructive testing Joint design |
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