Grenoble Institute of Technology, Grenoble,  France
Grenoble Institute of Technology, Laboratoire Science et Ingénierie des Matériaux et Procédes (SIMAP), France
Grenoble Institute of Technology (INP) with his 25 mixed units of research cover research areas like energy, environment, information and communication, materials, micro and nanotechnologies and production systems. The research activity at SIMAP/INP is based on knowledge of materials behaviour and on optimization of their making process using a thermodynamic and a kinetic analysis. Using the principles of thermodynamics with kinetic calculations, we develop new materials from undercooled liquids and metastable solid mixtures of alloy and ceramic phases within appropriate temperature/internal energy constraints. Among experimental facilities, it can be founded a high-temperature mass spectrometry coupled with Knudsen effusion cells in order to study vapours and high temperature gases in view of determining thermodynamic properties of different materials: ceramics, electronic composite materials, alloys, molten salts. Recent evolutions of our magnetic mass spectrometer lead to configurations able to analyse vapors and gases in relation with different types of chemical reactors that are built intentionally for process analysis. Thus, extension of analysis towards kinetics is currently in progress, for carbon desorption, oxides-C interactions, high temperature re-condensation for nuclear Iodine release, and we plan to analyse the gas phase of complex systems in milling processes.
 Prof. Alain R. Yavari is expert in Alloy Design and Phase Transformations. He holds a Ph.D. from Harvard 1980 and B.Sc. MIT 1970. Director of Research with the CNRS (Research Professor), he is a laurate of the Betancourt-Perronet Prize (1995) of the French and Spanish Academies of Sciences, the NEDO Award of the Japanese government (1997), the ISMANAM Gold Metal (Rome, 1996), the International Copper Association 2006 Award and the Kitaro Honda 2006 Medal of Tohoku University Japan. He leads a team working on metastable and nanocrystalline materials in Grenoble. He has served as senior scientist at the corporate headquarters of AlliedSignal (where he trained in Management and Re-engineering) and as Invited Professor at the University of Complutense (Madrid), at Kyoto University in Japan and Tohoku University in Japan. He has served as Editor-in-Chief of the Journal of Metastable and Nanocryst. Mater. (Trans Tech), Associate Editor of Materials Transactions JIM and is on the editorial or steering committees of various scientific periodicals and international conference series. He has authored nearly 300 scientific papers, edited 7 books, holds 7 patents, has managed tens of industrial contracts, many doctoral theses, many European SCIENCE or HCM and RTN -type contracts, organised or co-organised 5 Euroconferences including a series of three with the late Peter Haasen. He is currently and Coordinator of an EU Research and Training Network on metallic glasses and a French National ANR project on the same subject. Further information on research activities is available at: http://bmg-rtn.inpg.fr/, http://international-copper-bmg.inpg.fr/, http://bulkmetallicglass.ANR.googlepages.com and http://rtn-mgh2.inpg.fr/.
Christian Chatillon, (Senior Scientist at CNRS, Ph. D in 1975 at INPG, LTPCM) is expert in mass spectrometry using Knudsen cells for applications to the study of vapours and high temperature gases. Evaporation and condensation processes were measured for materials in view of determining their thermodynamic properties – applications to alloys, superalloys, ceramics, electronic and composite materials. Since the nineties, Chatillon developped special reactors and methods to study solid-solid reactions that produce gases – application to SiC fibers, Oxidation of Carbons, Interactions Alumina - Carbon - in view of determining their kinetics of vaporisation and degradation, mass spectrometry being an excellent tool to study the gas phase evolution in the 10-10 to 10-4 bar range for which gas flows are small enough to act as tracers of surface and interface reactions.
Ioana Nuta is a Research Fellow on Thermodynamic and Process Optimization Group of SIMAP laboratory since December 2006. She has a background in high temperature NMR spectroscopy applied to electrochemistry and to catalysis during his Ph D in Physics at Orleans’s University (2005) and her postdoctoral research at ENSI Caen (2006). Her current research field is study of vaporization process by High Temperature Mass Spectrometry of molten salts applied for nuclear energy production and of organometallics used for microelectronics.
A.R. Yavari , J.F.R. de Castro, G. Vaughan , G. Heunen, “Structural Evolution and Metastable Phase Detection in MgH2-5%NbH Nanocomposite During In-situ H-desorption in a Synchrotron Beam”, Journal of Alloys and Compounds, 353 (2003) pp.246-251
J.F.R. de Castro, S.F. Santos, A.L.M. Costa, A.R. Yavari, W.J. Botta F., T.T. Ishikawa, “Structural characterization and dehydrogenation behavior of Mg–5at.%Nb nano-composite processed by reactive milling”, Journal of Alloys and Compounds, 376, 251 (2004).
J.F.R. de Castro, A.R. Yavari, A. LeMoulec, T.T. Ishikawa , W.J. Botta F., “Improving H-sorption in MgH2 powders by addition of nanoparticles of transition metal fluoride catalysts and mechanical alloying”, Journal of Alloys and Compounds, 389 (2005) 270-274.
J. Drowart, C. Chatillon, J. Hastie, D. Bonnell, High Temperature Mass Spectrometry: Instrumental Techniques, Ionization Cross-Sections, Pressure Measurements and Thermodynamic Data, Pure Appl. Chem. 77 (2005) 683-737
M. Heyrman, G. Berthomé, A. Pisch, C. Chatillon, Thermodynamics of the Al-C-O Ternary System. II. High Temperature Mass Spectrometric Study of the Vaporization of the Alumina-Graphite System, J. Electrochem. Soc. 153 (10) (2006) J107-J115
M. Heyrman, C. Chatillon, Equilibrium and non equilibrium vaporization processes of ceramics , 11th International Congress on Modern Materials and Technologies – CIMTEC 11th , 4-9 june (2006) Acireale, Sicily, Italy, Adv. In Sci. and Technol. 45 (2006) 9-16
Contact:
Dr. Ioana Nuta
SIMAP/LTPCM
ENSEEG - BP 75
38402 - Saint Martin d'Hères
France
phone: +33 (0)4 76 82 65 11
fax: +33 (0)4 76 82 67 67
http://www.grenoble-inp.fr
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