Search Results - "Estournès, C."

Manufacturing and performances of silicide-based thermoelectric modules by Ihou Mouko, H., Romanjek, K., Mejri, M., Oulfarsi, M., El Oualid, S., Malinconi, P., Thimont, Y., Malard, B., Estournès, C., David, N., Dauscher, A.

“…[Display omitted] •Development of half skeleton structures for silicide-based thermoelectric modules.•Fabrication of twenty-two (four legs) silicide-based…”
Get full text

The preparation of carbon nanotube (CNT)/copper composites and the effect of the number of CNT walls on their hardness, friction and wear properties by Guiderdoni, Ch, Pavlenko, E., Turq, V., Weibel, A., Puech, P., Estournès, C., Peigney, A., Bacsa, W., Laurent, Ch

“…Carbon nanotubes with 2, 3, 8 and 20 walls are mixed with a copper powder (micrometer sized) and consolidated by spark plasma sintering. The microhardness of…”
Get full text

Double-walled carbon nanotube/zirconia composites: Preparation by spark plasma sintering, electrical conductivity and mechanical properties by Kasperski, A., Weibel, A., Alkattan, D., Estournès, C., Laurent, Ch, Peigney, A.

“…Double-walled carbon nanotube/yttria-stabilized zirconia composite powders with carbon contents up to 6.3wt% are prepared by soft covalent functionalization of…”
Get full text

Hot pressing and spark plasma sintering of alumina: Discussion about an analytical modelling used for sintering mechanism determination by Guyot, P., Antou, G., Pradeilles, N., Weibel, A., Vandenhende, M., Chevallier, G., Peigney, A., Estournès, C., Maître, A.

“…The validity of the model for sintering under uniaxial pressure proposed by Bernard-Granger et al. has been investigated by studying the densification kinetics…”
Get full text

Pulse analysis and electric contact measurements in spark plasma sintering by Maniere, C., Pavia, A., Durand, L., Chevallier, G., Bley, V., Afanga, K., Peigney, A., Estournès, C.

“…•Shape of the pulse sequence depends on the electric power required to heat the SPS tools.•The strong role of the electric contact (EC) between the parts of…”
Get full text

ZnO-based varistors prepared by spark plasma sintering by Beynet, Y., Izoulet, A., Guillemet-Fritsch, S., Chevallier, G., Bley, V., Pérel, T., Malpiece, F., Morel, J., Estournès, C.

“…Varistor ceramics were prepared by spark plasma sintering (SPS) using two doped zinc oxide based powders. Optimized sintering cycle for the commercial powder…”
Get full text

Defect chemistry to trigger zirconia densification at low temperatures by Spark Plasma Sintering by Martin, E., Chung, U.C., Duttine, M., Dourges, M.A., Clermont, G., Labrugère, C., Fourcade, S., Michau, D., Estournès, C., Hérisson de Beauvoir, T., Mauvy, F., Jubera, V., Maglione, M., Goglio, G., Elissalde, C.

“…In-depth control of reactivity and defects chemistry is shown to be mandatory to reach high density YSZ ceramics at sintering temperatures lower than 900°C…”
Get full text

Specific core-shell approaches and related properties in nanostructured ferroelectric ceramics by Elissalde, C., Chung, U. C., Roulland, F., Berthelot, R., Artemenko, A., Majimel, J., Basov, S., Piraux, L., Nysten, B., Mornet, S., Aymonier, C., Estournès, C., Maglione, M.

“…Interfaces are a major issue when designing ferroelectric nanostructured materials with tailored properties. In a context of integration and multifunctionality…”
Get full text

Spark-plasma-sintering of double-walled carbon nanotube–magnesia nanocomposites by Legorreta Garcia, F., Estournès, C., Peigney, A., Weibel, A., Flahaut, E., Laurent, Ch

“…A double-walled carbon nanotube–MgO powder is prepared without any mixing. The applied pressure is the main parameter acting on densification. Increasing the…”
Get full text

Deposition by radio frequency magnetron sputtering of GaV4S8 thin films for resistive random access memory application by Souchier, E., Besland, M.-P., Tranchant, J., Corraze, B., Moreau, P., Retoux, R., Estournès, C., Mazoyer, P., Cario, L., Janod, E.

“…We report here on the deposition of GaV4S8 thin layers by radio frequency (RF) magnetron sputtering in pure argon using a GaV4S8 target synthesized by spark…”
Get full text

Damped precession of the magnetization vector of superparamagnetic nanoparticles excited by femtosecond optical pulses by Andrade, L H F, Laraoui, A, Vomir, M, Muller, D, Stoquert, J-P, Estournès, C, Beaurepaire, E, Bigot, J-Y

“…The ultrafast magnetization and electron dynamics of superparamagnetic cobalt nanoparticles, embedded in a dielectric matrix, have been investigated using…”
Get full text

Spark plasma sintering of alumina: Study of parameters, formal sintering analysis and hypotheses on the mechanism(s) involved in densification and grain growth by Santanach, J. Gurt, Weibel, A., Estournès, C., Yang, Q., Laurent, Ch, Peigney, A.

“…The spark plasma sintering (SPS) of an undoped commercial α-Al2O3 powder (0.14μm) was investigated. The SPS parameters such as the dwell temperature, applied…”
Get full text

Innovative architectures in ferroelectric multi-materials: Chemistry, interfaces and strain by Elissalde, C., Chung, U.-C., Philippot, G., Lesseur, J., Berthelot, R., Sallagoity, D., Albino, M., Epherre, R., Chevallier, G., Buffière, S., Weibel, A., Bernard, D., Majimel, J., Aymonier, C., Mornet, S., Estournès, C., Maglione, M.

“…Breakthroughs can be expected in multi-component ceramics by adjusting the phase assembly and the micro–nanostructure. Controlling the architecture of…”
Get full text

Thermoelectric properties of ZnO ceramics densified through spark plasma sintering by Radingoana, P.M., Guillemet-Fritsch, S., Noudem, J., Olubambi, P.A., Chevallier, G., Estournès, C.

“…Thermoelectric properties of pure ZnO ceramics were investigated in this study. ZnO powders were sintered using spark plasma sintering by varying temperature…”
Get full text

Numerical approach for the determination of multi-mechanisms of the densification of TiAl by spark plasma sintering by Van der Laan, A., Epherre, R., Estournès, C.

“…One of the main benefits of numerical modelling is that it can be used to have access to some features, which are not accessible experimentally. For example,…”
Get full text

Investigation of the mechanical properties of Mn15Si26 via EBSD-nanoindentation coupling and ab-initio calculation by Mejri, M., Malard, B., Thimont, Y., Connétable, D., Floquet, P., Laloo, R., Proietti, A., Estournès, C.

“…•Evidence of absence texturing of HMS densified by Spark Plasma Sintering.•The elasticity tensor of Mn15Si26 is determined via EBSD-nanoindentation…”
Get full text

Elongated Co nanoparticles induced by swift heavy ion irradiations by D’Orléans, C., Stoquert, J.P., Estournès, C., Grob, J.J., Muller, D., Guille, J.L., Richard-Plouet, M., Cerruti, C., Haas, F.

“…Spherical nanoparticles have been formed in SiO 2 layers by 160 keV Co + ion implantation. Different particle sizes have been obtained depending on…”
Get full text

Influence of processing parameters on the densification and the microstructure of pure zinc oxide ceramics prepared by spark plasma sintering by Radingoana, P.M., Guillemet-Fritsch, S., Olubambi, P.A., Chevallier, G., Estournès, C.

“…Due to the sensitivity of nanopowders and the challenges in controlling the grain size and the density during the sintering of ceramics, a systematic study was…”
Get full text

Spark and plasma in spark plasma sintering of rigid ceramic nanoparticles: A model system of YAG by Marder, R., Estournès, C., Chevallier, G., Chaim, R.

“…Yttrium aluminum garnet (YAG) nano-particles were spark plasma sintered between 1100°C and 1400°C under 2–100MPa pressure without isothermal treatments. The…”
Get full text

Numerical model for sparking and plasma formation during spark plasma sintering of ceramic compacts by Marder, R., Estournès, C., Chevallier, G., Chaim, R.

“…The conditions for spark discharge and plasma formation in non-conducting ceramic granular compacts subjected to spark plasma sintering (SPS) were analyzed…”
Get full text