A 3 years Post doctoral position at Wisconsin University (USA, 1.5 years) and CEA (France, 1.5 years): corrosion in molten salts for Energy processes
Contact: Laure Martinelli (Contact) Adrien Couet (Contact)
The accelerated development of materials is a major challenge for all industries, and corrosion resistance is particularly important for resources saving. The project aims to estimate the resistance to irradiation (heavy ions) and corrosion of FeNiMoCr alloys in a chloride salt, for use in molten-salt nuclear reactors.
The University of Wisconsin has widely demonstrated its expertise in the accelerated development of materials [1] for fluoride and chloride molten salt reactors [2-3]. In this project, dozens of samples of model quaternary FeNiMoCr alloys will be synthesised by additive manufacturing at the University of Wisconsin, varying the composition so as to map the entire compositional tetrahedron as closely as possible. These samples will then be irradiated with Ni ions at the University of Wisconsin and corroded (before and after irradiation) at the University of Wisconsin and at CEA Saclay (near Paris) to determine the effect of irradiation on the corrosion of these materials. The corrosion tests at CEA and the University of Wisconsin will cover the entire composition spectrum of FeNiMoCr alloys, as well as a NiCr grade corroded in a wide range of salt chemistry. The aim of these cross-experiments is, on the one hand, to obtain in a very short time (3 years) a large corrosion and irradiation database on FeNiMoCr alloys and, on the other hand, to screen the effect of a wide range of salt compositions on a model NiCr alloy. To achieve this, a single post-doctoral fellow would start with 1.5 years of corrosion and irradiation work at the University of Wisconsin and then spend 1.5 years at the CEA.
References :
[1] A. Couet, Integrated high-throughput research in extreme environments targeted toward nuclear structural materials discovery, Journal of Nuclear Materials, 559, 2022, 153425
[2] M. Moorehead, P. Nelaturu, M. Elbakhshwan, C. Parkin, C. Zhang, K. Sridharan, D.J. Thoma, A. Couet, High-throughput ion irradiation of additively manufactured compositionally complex alloys, Journal of Nuclear Materials, 547, 2021, 152782
[3] Y. Wang, K. Sridharan, A. Couet, Method for identification of redox control parameters for corrosion mitigation in molten fluoride salts, Journal of Nuclear Materials, 543, 2021, 152624
Four PhD Positions at INSA-Lyon
INSA-Lyon proposes four PhD positions in the frame of the Marie Sklodowska-Curie Doctoral MISSION-CCS: Material Science Innovation for Accelerated, Sustainable and Safe Implementation of Carbon Capture and Storage.
MISSION-CCS is a doctoral network program that aims to establish a specialized training environment for 13 Doctoral Candidate Researchers (DCRs), with a focus on comprehending and addressing material.
DCR3 - Linking solvent degradation to capture system corrosivity and mitigation
https://euraxess.ec.europa.eu/jobs/199154
DCR5 - Constant composition reactor for real-time corrosion measurements
https://euraxess.ec.europa.eu/jobs/198739
DCR6 - Material and corrosion inhibitor selection development for CO2 transport and injection
https://euraxess.ec.europa.eu/jobs/199162
DCR10 - Minimising corrosion impacts in future CCS systems: Developing techno-economic and lifecycle-based systems analysis approaches
https://euraxess.ec.europa.eu/jobs/203313
Application deadline: 26 April 2024