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Articles:

Yang, Z., Krieger, K., Lunt, T., Brochard, F., Briançon, J-L., Neu, R., Dux, R., Janzer, A., Potzel, S., Pütterich, T. and Asdex Upgrade Team, The
Journal of Nuclear Materials, 438:S846-S851
2013

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

Jardy, Alain, Chapelle, Pierre, Malik, Ashish, Bellot, Jean-Pierre, Combeau, Herve and Dussoubs, Bernard
ISIJ INTERNATIONAL, 53(2):213-220
2013
ISSN: 0915-1559

Resume: The present study aims to understand the melting of the consumable electrode in the VAR process and gain some insight into the influence of an ensemble arc motion on the melting behaviour. In a previous study, a 2D axisymmetric model of the heat transfer in the cathode had been developed. Using the operating parameters as model inputs, it enabled prediction of the melt rate and the evolution of the melting area. Model results were successfully compared to melt rate measurements in an industrial VAR furnace. In recent years, it has been claimed that the electric arc may not be considered as steady and axisymmetric. Our experimental investigation of the luminosity recorded during an actual VAR heat confirms that a transient 3D behaviour may take place. Therefore, a 3D version of the previous model was set up to predict the heat transfer and melting of the electrode, using the unknown ensemble arc motion as an input. The arc is assimilated to a transient distribution of energy flux density. Results evidence that the influence of the arc motion on the shape of the electrode tip can be very important. In industrial practice, the cathode tip usually remains relatively flat during melting. The shapes of the computed electrode tips enable us to propose some arc parameters which remain compatible with both the periodic behaviour of the light emitted and the flatness of the electrode.

Equipe: Centre de Compétences : ERMIONE informatique et calcul

Chichti, E., Henrion, G., Cleymand, F., Jamshidian., M., Linder, M. and Arab Tehrany, E.
Plasma Processes and Polymers, 10:535-543
2013

Resume: Poly-lactic acid (PLA) is the most used biopolymer in both biomedical and food packaging fields to replace petrochemical plastics. The surface properties of PLA thin films were studied before and after plasma treatment to enhance its wettability and its adhesive properties. Based on the experimental design, the most significant parameters of the plasma process were specified. The effect of the cold plasma treatment on the mechanical, topographic composition, thermal and barrier properties of the PLA was carried out using different Ar-N2-O2 gas mixture. Results show that the discharge gas can have a significant influence on the chemical composition and the wettability of the PLA surfaces. As the plasma processing is a surface treatment without affecting the bulk properties, it did not change the PLA properties.

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

Ben Youssef, I., Alem, H., Sarry, F., Elmazria, O., Jimenez Rioboo, R., Arnal-Hérault, C. and Jonquières, A.
Sensors and Actuators, B: Chemical, 185:309-320
2013

Equipe: Centre de Compétences : MiNaLor micro et nanotechnologies

Kozelj, P., Jazbec, S., Vrtnik, S., Jelen, A., Dolinsek, J., Jagodic, M., Jaglicic, Z., Boulet, P., de Weerd, M. C., Ledieu, J., Dubois, J. M. and Fournee, V.
PHYSICAL REVIEW B, 88(21)
2013
ISSN: 1098-0121

Equipe: Département CP2S : Métallurgie et Surfaces

Kozelj, P., Jazbec, S., Vrtnik, S., Jelen, A., Dolinsek, J., Jagodic, M., Jaglicic, Z., Boulet, P., de Weerd, M. C., Ledieu, J., Dubois, J. M. and Fournee, V.
PHYSICAL REVIEW B, 88
2013
ISSN: 1098-0121

Equipe: Centre de Compétences : X-Gamma rayons X et spectroscopie

Sanchez, J. P., Griveau, J. -C., Javorsky, P., Colineau, E., Eloirdi, R., Boulet, P., Rebizant, J., Wastin, F., Shick, A. B. and Caciuffo, R.
PHYSICAL REVIEW B, 87
2013
ISSN: 1098-0121

Equipe: Centre de Compétences : X-Gamma rayons X et spectroscopie

Stroth, U., Adamek, J., Aho-Mantila, L., Akaslompolo, S., Amdor, C., Angioni, C., Balden, M., Bardin, S., Barrera-Orte, L., Behler, K., Belonohy, E., Bergmann, A., Bernert, M., Bilato, R., Birkenmeier, G., Bobkov, V., Boom, J., Bottereau, C., Bottino, A., Braun, F., Brezinsek, S., Brochard, F., Brudgam, M., Buhler, A., Burckhart, A., Casson, F.J., Chankin, A., Chapman, I., Clairet, F., Classen, I.G.J., Coenen, J.W., Conway, G.D., Coster, D.P., Curran, D., Da Silva, F., De Marne, P., D’inca, R., Douai, D., Drube, R., Dunne, M., Dux, R., Eich, T., Eixenberger, H., Endstrasser, N., Engelhardt, K., Esposito, B., Fable, E., Fischer, R., Funfgelder, H., Fuchs, J.C., Gal, K., G. Munoz, M., Geiger, B., Giannone, L., Gorler, T., Da Graca, S., Greuner, H., Gruber, O., Gude, A., Guimarais, L., Haas, G., Hakola, A.H., Hangan, D., Happel, T., Hartl, T., Hauff, T., Heinemann, B., Herrmann, A., Hobirk, J., Hohnle, H., Hopf, C., Houben, A., Igochine, V., Ionita, C., Janzer, A., Jenko, F., Kantor, M., Kasemann, C.-P., Kallenbach, A., Kalvin, S., Kantor, M., Kappatou, A., Kardaun, O., Kasparek, W., Kaufmann, M., Kirk, A., Klingshirn, H.-J., Kocan, M., Kocsis, G., Konz, C., Koslowski, R., Krieger, K., Kubic, M., Kurki-Suonio, T., Kurzan, B., Lackner, K., Lang, P.T. and Lauber, P.
Nuclear Fusion, 53:104003
2013

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

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