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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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Dusserre, Gilles
IMT Mines Albi
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2023A numerical method to simulate the intra-tows mechanical behaviour of oxide/oxide CMCs: coupling of a lattice with a FE continuum
- 2021Enabling pseudo-ductility in geopolymer based glass-ceramics matrix composites by slurry dilutioncitations
- 2021Mechanical behavior of a NextelTM 610/alumina-silica, oxide/oxide ceramic matrix composite
- 2019Formulation of oxide suspensions for liquid processing of ceramic matrix composites
- 2019EVOLUTION OF THE RHEOLOGICAL BEHAVIOUR OF AN AQUEOUS SUSPENSION OF GEOPOLYMERIC PRECURSORS DURING AGEING
- 2019Influence of temperature cycles on strength and microstructure of spray-deposited Si-Al CE9F alloycitations
- 2019Nanocomposites, nanofilled matrices composites: manufacturing conditions and properties
- 2018Modelling the shape of an adhesive joint during assembly ; Modélisation de la forme d'un joint d'adhésif pendant l'assemblage
- 2018Modelling the shape of an adhesive joint during assembly
- 2017A uniaxial cyclic compression method for characterizing the rheological and textural behaviors of mechanically dewatered sewage sludgecitations
- 2016Probabilistic rupture analysis of a brittle spray deposited Si–Al alloy under thermal gradient: Characterization and thermoelastic sizing guidelinescitations
- 2016Cure kinetics of a polysilazane system: Experimental characterization and numerical modellingcitations
- 2016Cure kinetics of a polysilazane system: Experimental characterization and numerical modellingcitations
- 2012Processing glass-ceramic matrix composites by liquid moulding: characterization of the rheology of a resin derived from a geopolymeric system
- 2012Processing glass-ceramic matrix composites by liquid moulding : characterisation of the rheology of a resin derived from a geopolymeric system
- 2011Evaluation of viscous and elastic parameters of a borosilicate glass above transition temperature using optical instrumented squeeze testscitations
- 2011Mold Filling Simulation of Resin Transfer Molding Combining BEM and Level Set Methodcitations
- 2010Mold filling simulation of resin transfer molding combining BEM and level set method
- 2010Numerical simulation of resin transfer molding using BEM and level set methodcitations
- 2009In-situ determination of the heat flux density at the glass/mould interface during a glass pressing production cyclecitations
- 2009Recent patents on in-plane permeability measurement of LCM composite reinforcementscitations
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article
Cure kinetics of a polysilazane system: Experimental characterization and numerical modelling
Abstract
The Time-Temperature-Transformation (TTT) isothermal diagram is plotted for a polysilazane system, composed of the KiON (R) Ceraset (R) Polysilazane 20 resin, with addition of 1 wt% of dicumyl peroxide acting as cross-linking catalyst. This diagram is useful to control the resin transfer moulding (RTM) process involved to obtain a composite material from a ceramic fibrous preform. The system under study is a precursor for the ceramic matrix, obtained after pyrolysis of the polymerized resin. The knowledge of the composite properties at the polymerized state is necessary to fully control this process. The cure kinetics of this system is investigated under both isothermal and dynamic curing conditions by Differential Scanning Calorimetry (DSC). The kinetics of the reaction is satisfactorily described by a Kamal and Sourour (K-S) phenomenological model. The K-S parameters are identified from isothermal data, taking into account an initial degree of cure, assuming a fully cured system at the end of the isothermal idle time. The model is in good agreement with both dynamic and isothermal experimental data. The glass transition temperature (T-g) is determined by DSC analyses as a function of the degree of polymerization and confirmed by Dynamic Mechanical Analysis (DMA), and the results are modelled by Di Benedetto's formula. The change of visco-elastic properties is investigated using oscillatory rheology under isothermal conditions. The cure kinetics model allows a gelation criterion to be identified by plotting the shear loss modulus G `' vs. the degree of cure. (C) 2016 Elsevier Ltd. All rights reserved.