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지르칼로이-4 박판의 집합조직에 대한 가공 및 열처리의 영향
양명승,황선근,이재관 대한금속재료학회(대한금속학회) 1988 대한금속·재료학회지 Vol.26 No.8
The crystallographic texture of cold worked and heat treated Zircaloy-4 sheet was analyzed quantitatively and its relationship with the mechanical anisotropy was investigated. The anisotropy parameter, R, was determined by Knoop micro-hardness test while the texture parameters, f_n and F_n, were obtained from pole figures. The texture parameters and the anisotropy parameter were influenced by cold work or heat treatment temperature. They increased with α-phase recrystallization heat treatment, but decreased with 950℃ heat treatment in the β-phase region. The theoretical relationship between the mechanical anisotropy parameter and the crystallographic texture parameter was in fair agreement with the single crystal slip model of Van Swam et al.. For less severely textured materials, however, measurements of R-values tended higher than the theoretical prediction.
THE STATUS AND PROSPECT OF DUPIC FUELTECHNOLOGY
양명승,최항복,정창훈,송기찬,이정원,박근일,김호동,고원일,박정진,KI HO KIM,HO HEE LEE,박주환 한국원자력학회 2006 Nuclear Engineering and Technology Vol.38 No.4
Since 1991, Korea, Canada and United States have performed the direct use of spent pressurized water reactor (PWR) fuelin the Canada deuterium uranium (CANDU) reactors (DUPIC) fuel development project. Unlike the Tandem fuel cycle, whichrequires a wet reprocessing, the DUPIC fuel technology can directly refabricate CANDU fuels from the PWR spent fuel and,therefore, is recognized as a highly proliferation-resistant fuel cycle technology, which can be adopted even in non-proliferationtreaty countries. The Korea Atomic Energy Research Institute (KAERI) has fabricated DUPIC fuel elements in a laboratoryscaleremote fuel fabrication facility. KAERI has demonstrated the fuel performance in the research reactor, and has confirmedthe operational feasibility and safety of a CANDU reactor loaded with the DUPIC fuel using conventional design and analysistools, which will be the foundation of the future practical and commercial uses of DUPIC fuel.