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Pure Appl. Chem., 2000, Vol. 72, No. 10, pp. 1839-1849

Thermochemical studies of advanced nuclear fuels and materials

Michio Yamawaki1*, Tadashi Inoue2 and Toru Ogawa3

1 Department of Quantum Engineering and Systems Science, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 Japan
2 Central Research Institute of Electric Power Industry (CRIEPI), Iwadokita, 2-chome 11-1, Komae-shi, Tokyo 201 Japan
3 Japan Atomic Energy Research Institute (JAERI), Tokai-mura, Naka-gun, Ibaraki-ken 319-11 Japan

Abstract: Thermochemical analyses related with development of advanced nuclear fuels (i.e., metalic, nitride, and hydride fuels) with respect to the transmutation of transuranium elements and relevant pyrochemical reprocessing and fabrication processes, which have been carried out mainly in Japan, are summarized. In addition, application of atmosphere-controlled high-temperature mass spectrometry on solid-gas reactions, in particular on the prediction of gas-interacting behaviors of cesium and lithium on respective oxide ceramics, are delineated in relation to nuclear material-relevant researches.