Olivier DEZELLUS

MCF-HDR-UCBL

Equipe	TMP
E-mail	olivier.dezellus[at]univ-lyon1.fr
Tél.	04 72 44 83 86
Bâtiment	Chevreul
Etage	1
Bureau	11.009

Intérêts

Thermodynamique
Equilibres entre phases
Réactivité d’interface
Mouillabilité

Formation

2000 – Doctorat : Contribution à l’étude des mécanismes de mouillage réactif sous la supervision de N. Eustathopoulos et F. Hodaj

INPG
2010 – HDR : Elaboration, microstructure et propriétés des interfaces dans les multimatériaux métalliques et céramiques

UCBL

Matériaux - Systèmes

Métaux liquides
Métallurgie : alliages base Al, Mg, W
Composites à matrice métallique Al, Fe, Ti et renforts céramiques

Compétences

Méthodes de synthèse (traitement thermique, four à arc, induction)
Analyse micrographique, MEB, EDX
Méthode Calphad
ThermoCalc

Immersion at 1000K during 8 minutes of a spheroidal cast iron (provided by Fonderie Giroud) in a pure Al melt 99.5%, followed by water quench. Optical micrograph of section view after chemical etching with NaOH 2wt.% during 3.5 min.

Articles choisis

2022

Low temperature study of phase equilibria in the Co–Ni–W ternary system: Evidence of a new intermetallic phase Co3W-D0a
Journal of Alloys and Compounds 892, 162109 (2022)
N. Bouliez, J. Andrieux, R. Chiriac, F. Toche, J. Crivello, B. Gardiola, S. Cazottes, F. Robaut, R. Cury, O. Dezellus

2021

Solid State Chemical Interaction Between Ti and Al-Si Alloys
Journal of Phase Equilibria and Diffusion 42, 524–534 (2021)
O. Dezellus, M. Zhe, B. Gardiola, S. Lay, J. C. Viala

2020

Investigation of the thermodynamic properties of Al4C3: A combined DFT and DSC study
Computational Materials Science 171, 109100 (2020)
A. Pisch, A. Pasturel, G. Deffrennes, O. Dezellus, P. Benigni, G. Mikaelian

2019

Thermal stability of Al2MgC2 and thermodynamic modeling of the Al–C–Mg system - Application to grain refinement of Mg–Al alloys
Calphad 67, 101678 (2019)
G. Deffrennes, B. Gardiola, M. Lomello-Tafin, A. Pasturel, A. Pisch, J. Andrieux, R. Schmid-Fetzer, O. Dezellus
Critical assessment and thermodynamic modeling of the Al–C system
Calphad 66, 101648 (2019)
G. Deffrennes, B. Gardiola, M. Allam, D. Chaussende, A. Pisch, J. Andrieux, R. Schmid-Fetzer, O. Dezellus
Synthesis, crystallographic structure and thermodynamic properties of T2-Al2MgC2
Journal of Solid State Chemistry 273, 150–157 (2019)
G. Deffrennes, B. Gardiola, E. Jeanneau, G. Mikaelian, P. Benigni, A. Pasturel, A. Pisch, J. Andrieux, O. Dezellus

2018

Synthesis of Ti matrix composites reinforced with TiC particles: in situ synchrotron X-ray diffraction and modeling
Journal of Materials Science 53, 9533–9544 (2018)
J. Andrieux, B. Gardiola, O. Dezellus

2017

Elastic properties, thermal stability, and thermodynamic parameters of MoAlB
Physical Review B 95 (2017)
S. Kota, M. Agne, E. Zapata-Solvas, O. Dezellus, D. Lopez, B. Gardiola, M. Radovic, M. W. Barsoum