The Advanced Turbine Technology Applications Project (ATTAP) is addressing critical technologies for the application of ceramics in gas turbine engines. These technologies include design methods, component development, component fabrication, and engine testing. Both analytical and experimental methods are being used to develop design methods for improving resistance to impact and contact damage. Component improvements are directed at a carbon-free combustor, durable regenerator seals, and an impact-resistant turbine stage design. Subcontractors are utilizing engineered experiments to develop consistent processes to produce high-quality ceramic turbine rotors and other components. These efforts are aimed at achieving satisfactory operation during durability tests at temperatures up to 2500F and 300 hours operation.

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