7.同位体調整法および中性子スペクトル調整法による材料照射研究(<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 developments on Isotopic- and Spectral-Tailoring methods are summarized for understanding the effect of transmutation of gaseous and solid elements. For the advanced ferritic steel, transmutation-induced He will be generated at about several appm per dpa rate, and H approximately ten appm per dpa. It is very important to evaluate these transmutation effects in order to establish whether materials can be successfully used for fusion applications. Ferrite Isotope Spectrum Tailoring (FIST) experiment is an approach considers alloys made from Fe isotopes in order to very H/He/dpa rates. Several data on solid transmutation effect have been clarified for Ni/Zn from Cu and Cr from V at different neutron spectrum. The transmutation condition could be achieved by means of spectro-tailoring method.
社団法人プラズマ・核融合学会の論文
2000-04-25