Searched for: subject:"Thermoplastic%5C+resin"
(1 - 7 of 7)
document
van Dijk, Y. L.M. (author), Grätzl, Thomas (author), Abouhamzeh, M. (author), Kroll, L. (author), Shroff, S. (author)
This paper presents results of material characterisation experiments on the hygrothermal viscoelastic behaviour of unidirectional laminates of continuous carbon-fibre reinforced polyamide 6. The material behaviour when subjected to the automotive painting process is of interest. Coefficients of thermal- and -moisture expansion were determined...
journal article 2018
document
Palardy, Genevieve (author), Shi, H. (author), Levy, Arthur (author), Le Corre, Steven (author), Fernandez Villegas, I. (author)
Ultrasonic welding of thermoplastic composite materials is a promising joining technique that is now moving towards up-scaling, i.e. the assembling of large industrial parts. Despite its growing technological maturation, the assumed physical mechanisms underlying ultrasonic heating (viscoelastic heating, friction) are still insufficiently...
journal article 2018
document
Fernandez Villegas, I. (author), van Moorleghem, Regis (author)
This paper investigates welding of carbon/epoxy and carbon/PEEK composites using the following procedure. Firstly, the carbon/epoxy composite was made “weldable” through a very thin PEI thermoplastic film co-cured on its surface. During the curing cycle, the PEI resin and the components of the epoxy resin system partially diffused into each...
journal article 2018
document
Zhao, T. (author), Broek, C.A. (author), Palardy, G. (author), Fernandez Villegas, I. (author), Benedictus, R. (author)
The research in this paper is an essential part of a bigger effort on developing robust sequential ultrasonic welding of multi-spot welded joints in thermoplastic composites. It mainly focused on assessing the impact of the changes in boundary conditions on the welding process and whether it could be circumvented by using an appropriate...
journal article 2018
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Senders, F. (author), van Beurden, M. (author), Palardy, G. (author), Fernandez Villegas, I. (author)
Continuous ultrasonic welding of plastic films, fabrics, and even thermoplastic composite prepreg tape is a common industrial practice. However, continuous ultrasonic welding of stiff thermoplastic composite plates is challenging due to squeeze flow of resin at the welding interface, and significant local deformation of the welding stack, that...
journal article 2016
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Zhao, T. (author), Palardy, G. (author), Fernandez Villegas, I. (author), Rans, C.D. (author), Martinez, M.J. (author), Benedictus, R. (author)
The in-plane and out-of-plane mechanical behaviour of both ultrasonically spot-welded and mechanically fastened joints was investigated by double-lap shear and pull-through tests, respectively. Spot-welded specimens showed comparable onset failure load and significantly higher joint stiffness compared to mechanical fasteners when carrying shear...
journal article 2016
document
Shi, H. (author), Fernandez Villegas, I. (author), Bersee, H.E.N. (author)
Void formation in resistance welding of woven fabric reinforced thermoplastic composites was investigated. Void contents were measured using optical microscopy and digital image process. Un-even void distributions were observed in the joints, and more voids were found in the middle of the joints than the edges. A higher welding pressure was...
conference paper 2015
Searched for: subject:"Thermoplastic%5C+resin"
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