Study on Hydride Reorientation in Zry-2 Fuel Claddings during Interim Dry Storage
- Global Nuclear Fuel - Japan Co., Ltd. (GNF-J), 2163, Narita-cho, Oarai-machi, Higashiibaraki-gun, Ibaraki 311-1313 (Japan)
- Global Nuclear Fuel - Japan Co., Ltd. (GNF-J), 3-1, Uchikawa 2-chome, Yokosuka-shi, Kanagawa 239-0836 (Japan)
- Tokyo Electric Power Co., Ltd. (TEPCO), 1-3 Uchisaiwai-cho, 1-chome, Chiyoda-ku, Tokyo 100-8560 (Japan)
- Nippon Nuclear Fuel Development Co., Ltd. (NFD), 2163, Narita-cho, Oarai-machi, Higashiibaraki-gun, Ibaraki 311-1313 (Japan)
The hydride reorientation during the interim dry storage was examined by hydride reorientation test using unirradiated recrystallized Zry-2 fuel claddings (Zr-lined). In the case of high hydrogen concentration (above 200 ppm), no measurable hydride reorientation was observed under the condition examined. On the other hand, for low hydrogen concentration (30 - 80 ppm), a significant hydride reorientation was observed above 618 K. The effects of thermal cycling and cooling rate were also examined. The mechanical property of the hydride-reoriented specimens was evaluated at room temperature by the ring-tensile test, which showed no degradation of hoop strength and ductility when temperature and hoop stress were not greater than 573 K and 70 MPa, even if the effects of cooling rate and thermal cycling were taken into account. (authors)
- Research Organization:
- American Nuclear Society, 555 North Kensington Avenue, La Grange Park, IL 60526 (United States)
- OSTI ID:
- 21229313
- Resource Relation:
- Conference: 2007 LWR Fuel Performance Meeting / TopFuel 2007, San Francisco, CA (United States), 30 Sep - 3 Oct 2007; Other Information: Country of input: France; 18 refs; Related Information: In: Proceedings of the 2007 LWR Fuel Performance Meeting / TopFuel 2007 'Zero by 2010', 683 pages.
- Country of Publication:
- United States
- Language:
- English
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