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Articles:

Barchiche, C. E., Veys-Renaux, D. and ROCCA, E.
Surface & Coatings Technology, 205(17-18):4243-4248.
2011

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

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

Tournier-Colletta, C., Cardenas, L., Fagot-Revurat, Y., Tejeda, A., Kierren, B. and Malterre, D.
PHYSICAL REVIEW B, 84(15)
2011
ISSN: 1098-0121

Equipe: Département P2M : Surfaces et Spectroscopies

Zhao, W., Fierro, V., Zlotea, C., Aylon, E., Izquierdo, M. T., Latroche, M. and Celzard, A.
International journal of hydrogen energy, 36:5431-5434
2011

Equipe: Département CP2S : Matériaux Carbonés

AL-MAHMOUD, F., CASTEL, A., FRANCOIS, R. and TOURNEUR, C.
Cement and Concrete Composite, 33:346â??352
2011

Equipe: Département CP2S : Matériaux pour le Génie Civil

Rougemaille, N., Montaigne, F., Canals, B., Duluard, A., Lacour, D., Hehn, M., Belkhou, R., Fruchart, O., El Moussaoui, S., Bendounan, A. and MacCherozzi, F.
Physical Review Letters, 106(5)
2011

Equipe: Département P2M : Nanomagnétisme et Electronique de Spin

Rougemaille, N., Montaigne, F., Canals, B., Duluard, A., Lacour, D., Hehn, M., Belkhou, R., Fruchart, O., El Moussaoui, S., Bendounan, A. and MacCherozzi, F.
Physical Review Letters, 106(5)
2011

Equipe: Centre de Compétences : MiNaLor micro et nanotechnologies

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

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