6.原子炉内での高精度制御照射研究(<小特集>核融合材料照射研究の新しい展開)

概要

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Recent progress in controlled neutron irradiation experiments using fission reactors in regard to fusion materials development is reviewed. Temperature-control irradiation capsules have been developed for JMTR, which can maintain the constant temperatures of test specimens during irradiation independent of reactor power variation. Test capsules for varying temperature irradiation experiments have also been developed for JMTR and HFIR. The steady and varying temperature irradiation experiments on JMTR derived valuable data for understanding fundamental defect processes under steady and varying temperature conditions. The varying temperature irradiation experiment using HFIR is expected to extract information useful for predicting materials performance under realistic fusion reactor conditions.
2000-04-25