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Dusserre, Gilles
IMT Mines Albi
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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
Influence of temperature cycles on strength and microstructure of spray-deposited Si-Al CE9F alloy
Abstract
This paper investigates the effects of temperature cycles between -55°C and 125°C (the temperature range for intended space application) on the strength and microstructure of spray deposited Si-Al CE9F alloy. After 500 cycles, the strength is significantly improved of 9 % (i.e. 26 MPa). Moreover the Weibull modulus also undergoes a significant increase. Microstructure characterizations by XRD, SEM, EBSD and DSC evidence recovery and recrystallization processes in the Al phase, and subgrain development at grain boundaries in the Si phase, leading to lower crystallite size. A Hall-Petch dependence of mean strength to average crystallite size in Si is proposed as strengthening mechanism.