| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Thomason, James L.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (27/27 displayed)
- 2023The dependence of interfacial shear strength on temperature and matrix chemistry in glass fibre epoxy compositescitations
- 2022The influence of temperature and matrix chemistry on interfacial shear strength in glass fibre epoxy composites
- 2022Thermoset polymer scaling effects in the microbond test
- 2022Investigating the effect of silane coupling agent on glass fibre/thermoplastic interfacial adhesion
- 2020Upgrading and reuse of glass fibre recycled from end-of-life compositescitations
- 2020Micromechanical and spectroscopic characterisation of the curing performance of epoxy resins in the microbond testcitations
- 2019The amine:epoxide ratio at the interface of a glass fibre/epoxy matrix system and its influence on the interfacial shear strengthcitations
- 2019Investigation of chemical and physical surface changes of thermally conditioned glass fibrescitations
- 2019A study of the thermal degradation of glass fibre sizings at composite processing temperaturescitations
- 2018An investigation of fibre sizing on the interfacial strength of glass-fibre epoxy composites
- 2018Are silanes the primary driver of interface strength in glass fibre composites?
- 2018The influence of hardener-to-epoxy ratio on the interfacial strength in glass fibre reinforced epoxy compositescitations
- 2018Are silanes the primary driver of interface strength in glass fiber composites? An exploration of the relationship of chemical and physical parameters in the micromechanical characterisation of the apparent interfacial strength in glass fiber composites
- 2018Towards a new generation of glass fiber products based on regenerated fiber thermally recycled from end-of-life GRP and GRP manufacturing waste
- 2016Regenerating the strength of thermally recycled glass fibres using hot sodium hydroxidecitations
- 2016A cost-effective chemical approach to retaining and regenerating the strength of thermally recycled glass fibre
- 2016The role of the epoxy resin
- 2015Investigation of the strength of thermally conditioned basalt and e-glass fibres
- 2015Can thermally degraded glass fibre be regenerated for closed-loop recycling of thermosetting composites?citations
- 2015Strength of thermally conditioned glass fibre degradation, retention and regeneration
- 2015The role of the epoxy resin: Curing agent ratio in composite interfacial strength by single fibre microbond test
- 2015Investigation of the strength loss of glass fibre after thermal conditioningcitations
- 2015The role of the epoxy resin
- 2013Investigation of strength recovery of recycled heat treated glass fibres through chemical treatments
- 2013Regeneration of the performance of glass fibre recycled from End-of-life composites or glass fibre waste
- 2013Characterisation of the mechanical and thermal degradation behaviour of natural fibres for lightweight automotive applications
- 2009Analysis of the microbond test using nonlinear fracture mechanics
Places of action
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document
Are silanes the primary driver of interface strength in glass fiber composites? An exploration of the relationship of chemical and physical parameters in the micromechanical characterisation of the apparent interfacial strength in glass fiber composites
Abstract
It is probably not an overstatement to say that organosilanes are the most important class of chemicals used in the glass fiber, and consequently the composites, industry. One of the best-known assertions about these multifunctional silane molecules is that they promote chemical bonding across the fiber-matrix interface. However, the development of (non-reactive) thermoplastic matrix composites raises questions about the simplistic chemical bridging model of silanes at the interface. Moreover, despite the high level of attention commonly focused on the chemical influences on interfacial adhesion, a growing number of researchers have also commented on the role of residual stress contributing to the stress transfer capability at the fiber-matrix interface. We will review data on the temperature dependence of the apparent interfacial shear strength (IFSS) in (unsized) glass fiber-polypropylene, a system where there is no a priori reasoning to expect any chemical bonding at the interface. The results indicate that the apparent IFSS in thermoplastic composites can be largely explained by the residual thermal stresses. This phenomenon is characterised by a large drop in the measured IFSS when the test temperature is raised above the matrix Tg. We will also present data to show that the same phenomenon is present in the IFSS of glass fiber-epoxy composites, although the magnitude of the measured values of IFSS for epoxy systems cannot be explained by residual thermal stress alone. However, by further considering the possible contribution of the thermoset phenomenon of cure shrinkage we will demonstrate that it is also possible to explain the level of IFSS in this chemically reactive system by physical residual stresses alone. The state of the interface/interphase in epoxy systems is somewhat more complex than for (relatively) non-reactive thermoplastics. This presentation will review our results on the investigation of this complex experimental challenge. Many of the properties required in the modelling of residual ...