Laure CHOMAT

Current Position

Scientist Researcher

Deputy Chief of Security, SPEC/CEA

Research interests

• Stress corrosion fracture of oxyde glasses
• Physico-chemical characterization of glass

CV

Professional Experiences

Since 2021	Permanent researcher at CEA-Saclay in the laboratory of out-of-equilibrium Systems and Physics – HYdrodynamics – eNergy and compleXity (SPHYNX) in the Service de Physique de l’Etat Condensé (DRF, IRAMIS, SPEC)
Dec. 2017 – July 2021	Head of the Laboratory of Measurements and Modelling of Radionuclide Migration (L3MR) at CEA-Saclay in the Département de Physico-Chimie (DES, ISAS, DPC, SECR)
July 2008 – Nov. 2017	Permanent researcher at CEA-Saclay in Laboratory for the study of concrete and clay behavior (LECBA) in the Département de Physico-chimie (DES, ISAS, DPC, SECR)

Education

2008	Doctor of Philosophy with a concentration in Physics and Chemistry of Materials, Pierre and Marie Curie University (Paris VI)
2003	Master of Science (DEA) with a concentration in Multiscale materials design (option: Disordered or heterogeneous materials, solid, liquid or molten), Orléans University.
2003	Engineering degree, Orléans Polytechnic Institute (IPO) with an option in Energy and Materials (previously ESEM)

Scientific publications

1. Pally D., Le Bescop P., Schlegel M.L., Miserque F., Chomat L., Neff D., L’Hostis V., “Corrosion behavior of iron plates in cementitious solution at 80 degrees C in anaerobic conditions”, Corrosion Science, 170, 2020.

2. Bar-Nes G., Klein-Ben David O., Chomat L., Macé N., Arbel-Haddad M., Poyet S., “Sr immobilization in irradiated Portland cement paste exposed to carbonation”, Cement and Concrete Research, 107, 152-162, 2018.
3. Chomat L., Amblard E., Varlet J., Blanc C. , Bourbon X., “Passive corrosion of steel reinforcement in blended cement-based material in the context of nuclear waste disposal”, Corrosion Engineering, Science and Technology, 52, 148-154, 2017.
4. Dauzéres A., Le Bescop P., Cau Dit Coumes C., Brunet F., Bourbon X., Timonen J., Voutilainen M., Chomat L., Sardini P., “On the physico-chemical evolution of low-pH and CEM I cement pastes interacting with Callovo-Oxfordian pore water under its in situ CO2 partial pressure”, Cement and Concrete Research, 58, 76-88, 2014.
5. Chomat L., L’Hostis V., Amblard E., Bellot-Gurlet L., “Long term study of passive corrosion of steel rebars in Portland mortar in context of nuclear waste disposal”, Corrosion Engineering, Science and Technology, 49, 467-472, 2014
6. Bourcier C., Dridi W., Chomat L., Laucoin E., Bary B., Adam E., “Combs: open source python library for RVE generation. Application to microscale diffusion simulations in cementitious material”, SNA + MC 2013, EDP Sciences, 2013;
7. Poyet S., Le Bescop P., Pierre M., Chomat L., Blanc C., “Accelerated leaching of cementitious materials using ammonium nitrate (6M): influence of test conditions”, European Journal of Environmental and Civil Engineering, 16, 3-4, 336-351,2012.
8. Chomat L., Bouyer F., Gin S., Roux S, “Effect of leaching-driven flow on the alteration kinetics of an ideal crack in SON68 glass”, Journal of Nuclear Materials, 426, 1-3, 2012.
9. Chomat L., Bouyer F., Gin S., Roux S, “Single idealized cracks: A tool for understanding fractured glass block leaching”, Scientific Basis for Nuclear waste Management XXXI, 1107, 2008

Teaching

2006	Montpellier School of Chemistry, Solid-Liquid Interaction (theory), Master I (2×4 hours)
2005 and 2006	University of Montpellier, Damage mechanism, Master (3 hours)