Refractory ceramic matrix composites (CMCs) are of considerable interest for a range of high-temperature and severe environment applications, including space and defense, and have potential for commercial and industrial applications that impose extreme thermal and environmental demands on materials. Among the more mature CMCs are silicon carbide fiber-reinforced silicon carbide matrix (SiCf/SiC) CMCs which, after decades of development, are being commercially introduced for aircraft engine component applications. These SiCf/SiC CMCs are limited to use at temperatures considerably less than 1,480°C (2,700°F), which constitutes a dramatic gain over conventional superalloy use temperatures. The success of the current generation of CMCs has led to an Air Force-sponsored effort to push the use temperature to 1,480°C (2,700°F) or above. Parallel developments are underway to advance capabilities to "ultra-high" temperatures - significantly greater than 1,650°C (3,000°F).
Melt-Infiltrated Refractory Ceramic Matrix Composites
Ceramic Industry ; 164 , 8 ; 22-25
2014
4 Seiten, Bilder, Tabellen, 6 Quellen
Article (Journal)
English
Siliciumcarbidfaser , industrielle Anwendung , Feuerfestprodukt , Hochtemperatur , Siliciumcarbid , Superlegierung , Keramikmatrixkomposit , Flugzeugantrieb , faserverstärkte Keramik , Zirkoniumcarbid , Hafniumcarbid , Kohlenstofffaser , Kohlenstofffaserverstärkung , Zirkoniumborid , Hafniumborid , Siliciumborid , Zirkoniumnitrid , Hafniumnitrid , Siliciumnitrid , Hochtemperatureigenschaft , Hochtemperaturbeständigkeit , Hochtemperaturkeramik
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