| Development of Multiphase Ceramic-Ceramic
Composites for Plutonium Burning |
U. Basak, K. B. Khan, A. K. Sengupta, R. Ramachandran and S.Majumdar
Pages : 5-8
DOI : 10.1080/0371750X.2002.10800008 |
| Abstract |
| Faster disposition of large stock of plutonium available from both
the dismantled weapons and accumulated stock from operation
of the civilian nuclear power reactors has become a subject of
international interest. Zirconia and/or alumina, magnesia based
ceramic-ceramic composites (CCC) are considered as candidate
matrix materials for plutonium burning on the basis of stable
physical and chemical properties. The major advantage of such
composite materials is that they consist of stable mineral and
resemble ordinary rocks which are chemically and thermodynamically
stable for geological periods even after irradiation to
high burn-up. The spent fuel also remains in the form of stable
minerals and, as such, suitable for direct disposal as high level
waste in geological repositories. The present paper highlights
the sintering and characterization of two such systems based
on Zr02- Th02-Ce02 and AI 20 3-Mg0-Th02-Ce02• |
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