IRRADIATION-INDUCED PHASE CHANGES IN ZrO$sub 2$-UO$sub 2$ FUELS
Technical Report
·
OSTI ID:4749852
After comparatively small amounts of neutron irradiation, multiphase mixtures in the ZrO/sub 2/--UO/sub 2/ binary system combine into a single phase. Above 8 x 10/sup 20/ fissions/cc, this single phase is cubic. This cubic phase is apparently continuous from UO/sub 2/ to ZrO/sub 2/. The cell edge varies linearly with molar composition, but not significantly with radiation exposure. It is postulated that there exists a hightemperature cubic phase which cannot be quenched using ordinary furnace techniques at compositions with less than 70 wt% UO/sub 2/. (auth)
- Research Organization:
- Westinghouse Electric Corp. Bettis Atomic Power Lab., Pittsburgh
- DOE Contract Number:
- AT(11-1)-GEN-14
- NSA Number:
- NSA-17-006753
- OSTI ID:
- 4749852
- Report Number(s):
- WAPD-T-1402
- Country of Publication:
- United States
- Language:
- English
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