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This three year project aims to develop novel sandphobic coatings for thermal/environmental protection of gas turbine engine (GTE) components operating at high temperatures, which will improve the sustainment and performance of military air and ground vehicle engines under all weather conditions and operational constraints. In particular, the proposed coatings will prevent the buildup of deleterious calcia-magnesia-alumino-silicates (CMAS) on engine components.
This project focuses on the following:
The project sandphobic T/EBC technology will be required to seamlessly integrate into new engines and retrofit into existing air, ship and ground vehicle engines. For military purposes, sand-phobic coated substrates will be expected to survive gas temperatures ranging from 1100 to 1500 °C during sand ingestion engine tests. Through implementation of this technology into current and future aero-engines, the Department of Defense would benefit from highly reliable engines that can meet or exceed their mean time between overhaul even while operating in extreme, particle-laden environments. In addition to reducing the current logistical burden and lowering overall life-cycle costs, aircraft equipped with this technology in their engines would have higher operational availability.