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Articles:

Appolaire, Benoit, Perevoshchikova, Nataliya, Teixeira, Julien and Denis, Sabine
Solid State Phenomena, 172-174(Part 1):1214-1219
2011
ISSN: 1012-0394

Resume: We have adapted the Quickhull algorithm with the general dimension Beneath-Beyond algorithm [6] for computing the convex hull of the Gibbs energy hypersurface of multicomponent two-phase alloys. We illustrate the salient features of our method with calculations of isothermal ferrite-austenite equilibria in Fe-C-Cr. Finally, successive equilibrium calculations in a Fe-C-Cr-Mo steel over a large temperature range show the benefit of computing the convex hull before performing the conventional Newton-Raphson search.

Equipe: Département SI2M : Microstructures et Contraintes

Pushkareva, Irina, Redjaimia, Abdelkrim, Moulin, Antoine and Valle, Nathalie
Solid State Phenomena, 172-174(Part 1):839-844
2011
ISSN: 1012-0394

Resume: A detailed analysis of the evolution of industrial Dual Phase (DP) steel microstructures is carried out as a function of various annealing and tempering conditions. Advanced characterization techniques such as Parallel Electron Energy Loss Spectroscopy (PEELS) in the TEM and high spatial resolution Secondary Ion Mass Spectrometry (NanoSIMS) are employed in order to provide qualitative and quantitative measurements of local carbon concentration in the martensite. For certain annealing and tempering conditions, it is observed that local variations in carbon levels have occurred inside the individual martensite islands. These carbon variations strongly influence the damage behaviour of the steel. During tensile tests, a clear dependence of the damage mode on the local martensite carbon content is observed. Better knowledge of the relationship between the microstructure evolution at the sub-grain level and the damage behaviour can facilitate the design of DP steels with improved damage resistance.

Equipe: Département SI2M : Microstructures et Contraintes

Stein, N., Petermann, N., Theissmann, R., Schierning, G., Schmechel, R. and Wiggers, H.
Journal of Materials Research, 26(15):1872-1878
2011

Equipe: Département CP2S : Surface et Interface, réactivité chimique des matériaux

Stein, N., Petermann, N., Theissmann, R., Schierning, G., Schmechel, R. and Wiggers, H.
Journal of Materials Research, 26(15):1872-1878
2011

Equipe: Département CP2S : Chimie et électrochimie des matériaux

Stein, N., Petermann, N., Theissmann, R., Schierning, G., Schmechel, R. and Wiggers, H.
Journal of Materials Research, 26(18):2459-2459
2011

Equipe: Département CP2S : Chimie et électrochimie des matériaux

Szczurek, A., Amaral-Labat, G., Fierro, V., Pizzi, A. and Celzard, A.
Science and technology of advanced materials, 12:035001 (12pp)
2011

Equipe: Département CP2S : Matériaux Carbonés

Kuznetsov, B.N., Sudakova, I. G., Celzard, A., Garyntseva, N. V., Ivanchenko, N. M. and Petrov, A. V.
Journal of the Siberian Federal University. Chemistry, 3:1-8
2011

Equipe: Département CP2S : Matériaux Carbonés

ZHOU, T., LENOIR, B., CANDOLFI, C., DAUSCHER, A., GALL, P., GOUGEON, P., POTEL, M. and GUILMEAU, E.
Journal of electronic materials, 40:508
2011

Equipe: Département CP2S : Matériaux à propriétés thermoélectriques

Horwat, D., Zakharov, D.I., Endrino, J.L., SOLDERA, F., Anders, A., Migot, S., Karoum, R., VERNOUX, P. and Pierson, J.F.
Surface and Coatings Technology, 205:S171-S177
2011

Equipe: Département CP2S : Elaboration et Fonctionnalité de Couches Minces

Belmonte, T., Bernardelli, E. A., Mafra, M., Duday, D., Frache, G., Poncin-Epaillard, F., Noel, C., Choquet, P., Migeon, H. N. and Maliska, A. M.
Surface & Coatings Technology, 205:S443-S446
2011

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

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