scholarly journals Continuous fiber ceramic composites for energy related applications. Final report

1998 ◽  
Author(s):  
Keyword(s):  
Ceramic Composites ◽  
Final Report ◽  
Continuous Fiber

scholarly journals Applications of Continuous Fiber Reinforced Ceramic Composites in Military Turbojet Engines

1996 ◽  
Author(s):  
Patrick Spriet ◽  
Georges Habarou
Keyword(s):  
Weight Ratio ◽  
Ceramic Matrix Composites ◽  
Thermodynamic Cycle ◽  
Ceramic Composites ◽  
Matrix Composites ◽  
Fiber Reinforced ◽  
Continuous Fiber ◽  
Operating Life ◽  
Performance Improvements ◽  
Temperature Capability

Over the last twenty years, significant performance improvements of turbojet engines have been achieved by optimizing engine thermodynamic cycle along with the introduction of new materials providing higher temperature capability and weight reduction. Metal Matrix Composites (MMC) and Ceramic Matrix Composites (CMC) are candidate material systems to meet the required thrust-to-weight ratio of 15 or higher. Continuous fiber reinforced ceramic composites, which have been developed by SEP for more than 15 years for thermostructural applications in oxidative environment, aim at increased operating temperature over superalloys and intermetallic alloys. This paper is a review of the main CMC component demonstrations performed by SEP over the last 10 years for turbojet engines along with an analysis of consequences on materials development and design methodology. The development status of a new thermostructural material specifically developed for turbojet environment with the prospect of higher design stress allowables and longer operating life at high temperature is presented.

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