15/06/2019

Postdoctoral position (1 year) : External coating for the protection of SiC/SiC composite claddings in PWR environment

This job offer has expired


  • ORGANISATION/COMPANY
    COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
  • RESEARCH FIELD
    EngineeringProcess engineering
    TechnologyMaterials technology
  • RESEARCHER PROFILE
    First Stage Researcher (R1)
    Recognised Researcher (R2)
    Established Researcher (R3)
    Leading Researcher (R4)
  • APPLICATION DEADLINE
    02/09/2019 00:00 - Europe/Brussels
  • LOCATION
    France › Saclay
  • TYPE OF CONTRACT
    Temporary
  • JOB STATUS
    Full-time
  • OFFER STARTING DATE
    02/09/2019

Accident tolerant fuels (ATF) fall into two categories depending on their technology readiness level. The first one regroups surface functionalized current claddings that are assumed to be fully mature earlier the second class constituted from alternative materials. SiC/SiC matrix/fiber composites belong to the second group and are presently the reference solution studied by the international community. Despite its exceptional behaviour at high temperatures, it is now admitted that SiC releases silicon oxide under conditions representative from the primary coolant in pressurized water reactors, which is limiting their right operation. In order to avoid this hydrothermal corrosion phenomenon, a metallurgical protective thin film exhibiting a stable behaviour in these conditions will be deposited on SiC/SiC composites thanks to an ionized physical vapor deposition process (PVD). Two essential aspects of the coating will addressed by optimizing the deposition process. They will consist of the interface separating the composite substrate from its coating and the coating microstructure, so that the granted protection is maximized.

Offer Requirements

Specific Requirements

PhD degree in material science and thin films engineering
Recommended experience with PVD processes and/or composite materials and their characterization
 

Work location(s)
1 position(s) available at
COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
France
Saclay

EURAXESS offer ID: 417258
Posting organisation offer ID: 86077

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