Olivier DEZELLUS

MCF-HDR-UCBL

Team	TMP
E-mail	olivier.dezellus[at]univ-lyon1.fr
Phone	04 72 44 83 86
Building	Chevreul
Floor	1
Office	11.009

Interests

Thermodynamic
Phase equilibria
Interfacial reactivity
Wettability

Education

2000 – PhD : Contribution to the study of reactive wetting mechanisms under supervision of N. Eustathopoulos et F. Hodaj - in french

INPG
2010 – HDR : Elaboration, microstructure and properties of interfaces in metallic and ceramic multimaterials - in french

UCBL

Materials - Systems

Liquid metals
Metallurgy : Al, Mg or W based alloys
Metal matrix composite (Al, Fe, Ti) reinforced by ceramic particles or fibers

Skills

Synthesis (heat treatment, arc furnace, induction)
Micrograph analysis, SEM, EDX
Calphad method
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.

Highlights

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