The durability of ceramic materials under cyclic gas burner exposures was evaluated. Tests were conducted at either 1204 or 1371 Cel for up to 3500 hours. These conditions were selected to simulate the severe environment encountered by hot flow path components in an automotive gas turbine engine. The ceramic materials chosen for evaluation are selected as representing existing and developing silicon nitride and silicon carbide materials technology, suitable for gas turbine applications. This work was performed under the NASA funded program, 3500-Hour Durability Testing of Commercial Ceramic Materials. The program was initiated in 1978. Results of testing performed during the past 3 years are presented in this paper.
Durability testing of ceramic materials for heat engine applications
Lebensdauerpruefung von Keramikwerkstoffen fuer die Anwendung in Waermekraftmaschinen
1984
20 Seiten, 28 Bilder, 8 Tabellen
Conference paper
English
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