Open AccessNovel Processing of Unique Ceramic-Based Nuclear Materials and Fuels
Author(s) -
Hui Zhang,
Raman P. Singh
Publication year - 2008
Language(s) - English
Resource type - Reports
DOI - 10.2172/958103
Subject(s) - materials science , silicon carbide , ceramic , durability , carbon fibers , carbide , nuclear fuel , thermal conductivity , refractory (planetary science) , nuclear engineering , refractory metals , metallurgy , composite material , composite number , engineering
Advances in nuclear reactor technology and the use of gas-cooled fast reactors require the development of new materials that can operate at the higher temperatures expected in these systems. These include refractory alloys base on Nb, Zr, Ta, Mo, W, and Re; ceramics and composites such as those based on silicon carbide (SiCf-SiC); carbon-carbon composites; and advanced coatings. Besides the ability to handle higher expected temperatures, effective heat transfer between reactor componets is necessary for improved efficiency. Improving thermal conductivity of the materials used in nuclear fuels and other temperature critical components can lower the center-line fuel temperature and thereby enhance durability and reduce the risk of premature failure