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References

Articles:

Kenzari, Samuel, Bonina, David, Dubois, Jean-Marie and Fournee, Vincent
Journal of Materials Processing Technology, 214(12):3108--3111
2014

Mots clefs: Additive manufacturing, Complex metallic alloys, Icosahedral Al–Cu–Fe–B, Phase transformations

Equipe: Centre de Compétences : Matériaux et Procédés additifs

Kenzari, Samuel, Bonina, David, Dubois, Jean-Marie and Fournee, Vincent
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 214(12):3108-3111
2014
ISSN: 0924-0136

Equipe: Département CP2S : Métallurgie et Surfaces

Wegrowe, J.-E., Drouhin, H.-J. and Lacour, D.
Physical Review B - Condensed Matter and Materials Physics, 89(9)
2014

Equipe: Département P2M : Nanomagnétisme et Electronique de Spin

Desecures, M., de Poucques, L., Easwarakhanthan, T. and Bougdira, J.
Applied Physics Letters, 105:181120-181124
2014

Equipe: Département CP2S : Expériences et Simulations des Plasmas Réactifs - Interaction plasma-surface et Traitement des Surfaces ESPRITS

Djaziri, S., Renault, P.-O., Le Bourhis, E., Goudeau, Ph., Faurie, D., Geandier, G., Mocuta, C. and Thiaudière, D.
Journal of Applied Physics, 116:093504
2014

Equipe: Département SI2M : Microstructures et Contraintes

Kenzari, Samuel, Bonina, David, Dubois, Jean Marie and Fournee, Vincent
SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS, 15(2)
2014
ISSN: 1468-6996

Equipe: Département CP2S : Métallurgie et Surfaces

Kenzari, Samuel, Bonina, David, Dubois, Jean Marie and Fournee, Vincent
Science and Technology of Advanced Materials, 15(2):024802
2014

Equipe: Centre de Compétences : Matériaux et Procédés additifs

ZHOU, T., COLIN, M., CANDOLFI, C., Boulanger, C., DAUSCHER, A., Santava, E., HEJTMANEK, J., BARANEK, P., AL RAHAL AL ORABI, R., POTEL, M., Fontaine, B., GOUGEON, P., Gautier, R. and LENOIR, B.
Chemistry of Materials, 26(16):4765-4775
2014

Resume: We present a detailed study of the evolution of the electrical, galvanomagnetic, and thermodynamic properties of polycrystalline AgxMo9Se11 compounds for 3.4 ? x ? 3.8 at low temperatures (2?350 K). In agreement with density functional theory calculations, the collected data show an overall gradual variation in the transport properties from metallic to semiconducting behavior on going from x = 3.4 to 3.8. The results evidence subtle variations in the electronic properties with the Ag content, typified by both positive and negative phonon-drag effects together with thermopower and Hall coefficient of opposite signs. Analysis of the data suggests that these features may be due to peculiarities of the dispersion of the valence bands in the vicinity of the chemical potential. A drastic influence of the Ag content on the thermal transport was evidenced by a pronounced change in the temperature dependence of the specific heat below 10 K. Nonlinearities in the Cp(T3) data are correlated to the concentration of Ag atoms, with an increase in x resulting in a more pronounced departure from a Debye law. The observed behavior mirrors that of ionic conductors, suggesting that AgxMo9Se11 for x ? 3.6 might belong to this class of compounds.

Equipe: Département CP2S : Chimie et électrochimie des matériaux

Bellot, Jean-Pierre, De Felice, Valerio, Dussoubs, Bernard, Jardy, Alain and Hans, Stephane
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, 45(1):13-21
2014
ISSN: 1073-5615

Resume: Gas-stirring ladle treatment of liquid metal has been pointed out for a long time as the processing stage is mainly responsible for the inclusion population of specialty steels. A steel ladle is a complex three-phase reactor, where strongly dispersed inclusions are transported by the turbulent liquid metal/bubbles flow. We have coupled a population balance model with CFD in order to simulate the mechanisms of transport, aggregation, flotation, and surface entrapment of inclusions. The simulation results, when applied to an industrial gas-stirring ladle operation, show the efficiency of this modeling approach and allow us to compare the respective roles of these mechanisms on the inclusion removal rate. The comparison with literature reporting data emphasizes the good prediction of deoxidating rate of the ladle. On parallel, a simplified zero-dimensional model has been set-up incorporating the same kinetics law for the aggregation rate and all the removal mechanisms. A particular attention has been paid on the averaging method of the hydrodynamics parameters introduced in the flotation and kinetics kernels.

Equipe: Centre de Compétences : ERMIONE informatique et calcul

K. Tillous, E., Dulcy, J. and Belmonte, T.
Oxidation of Metals, 82:163-179
2014

Equipe: Département CP2S : Expériences et Simulations des Plasmas Réactifs - Interaction plasma-surface et Traitement des Surfaces ESPRITS

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