Julien Avenet

Julien Avenet
CAPACITES SAS

Doctor of Engineering

About

6
Publications
601
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38
Citations

Publications

Publications (6)
Thesis
Les stratifiés composites hautes performances semi-cristallins sont des candidats pour l’industrie aéronautique. Le soudage de ces structures apparaît comme une nouvelle méthode d’assemblage sans ajout de matériaux externes et consiste à fondre localement l’interface et à mettre en contact les deux substrats. Le développement de l’adhésion est hist...
Article
The evolution of polymer welding time to join the interface of thermoplastic Polyetherketoneketone (PEKK) matrix composites was characterized. Using a creep-recovery test protocol to analyse the evolution of rheological behavior, it was shown that for temperatures above the melting point (T>360oC), the polymer visco-elastic relaxation time increase...
Article
Full-text available
Thermoplastic composites offer new manufacturing prospects, thanks to the ability to melt the matrix. Welding, tape placement, 3D printing, overmoulding, or even stamping involve adhesion of the thermoplastic polymer at high temperature. First, under heat and pressure, contact at the microscopic scale is ensured by the deformation of surface roughn...
Article
Thermoplastic welding, tape placement, 3D printing, overmoulding or even thermostamping involve adhesion of thermoplastic polymer at high temperature. Build-up of the mechanical resistance between two substrates is usually assumed to be driven by the diffusion of macromolecules at the interface, called healing phenomenon. Moreover, in continuous pr...
Article
Full-text available
Thermoplastic composites offer new manufacturing prospects, thanks to the ability to melt the matrix. Welding, tape placement, 3D printing, overmoulding, or even stamping involve adhesion of the thermoplastic polymer at high temperature. One of the leading mechanism that enable to build up strength of adherent over the substrate is called healing....
Article
There are relatively few field studies on the degradation of non-fluoropolymer-based backsheets, and understanding their in-field behavior is critical for further development of such products. In this study, backsheet degradation of modules with one of these new types of backsheets (polyethylene naphthalate (PEN)-based) was documented at a four-yea...

Network

Cited By
    • Norwegian University of Science and Technology
    • Northeastern University
    • Forschungszentrum Jülich GmbH, Helmholtz-Institut Erlangen Nürnberg für Erneuerbare Energien
    • French National Centre for Scientific Research
    • OFI Österreichisches Forschungsinstitut für Chemie und Technik / Austrian research institute for chemistry and technology

Projects

Project (1)
Project
Experimental characterization of the thermo-adhesion of thermoplastic composites : healing and intimate contact identification from homogeneous original experiments.