|About this Abstract
||2018 TMS Annual Meeting & Exhibition
||Materials and Fuels for the Current and Advanced Nuclear Reactors VII
||Development of YSZ Environmental Barrier Coatings for the Molten Salt Fast Reactor
||Orlando Castilleja-Escobedo, Ana Rosa Salazar-Roman, Lester Javier Espinosa-Pérez, Moises Valdes-Pech, Francisco Javier Gomez-Cano, Eddie Lopez-Honorato
|On-Site Speaker (Planned)
The Ni alloys generally used for the construction of the molten salt fast reactor can be prone to corrosion attacks and deleterious thermal effects on their mechanical properties at temperatures above 700°. In order to reduce corrosion and thermal damage, YSZ coatings are being deposited by sol-gel/dip-coating and CVD. Sol-gel derived coatings are prone to develop cracks due to internal stresses produced during drying. In order to improve the structural integrity of YSZ coatings we have studied the effect of solid concentration and the use of active and inactive additives in the sol-gel solution. Solid concentration in the gel from 30 to 50% has been varied together with the addition of YSZ, Ni, C and Al additives with concentrations between 0-20 wt%. We have shown that is possible to produce defect-free YSZ coatings with a high concentration of cubic phase at temperatures below 700 °C.
||Planned: Supplemental Proceedings volume