5.材料の有する限界と今後の展望 : 5.3プラズマ対向材料(<特集>実用炉の成立と材料技術II)

概要

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Plasma facing materials in fusion reactors will suffer from high thermal and particle loads as well as high energy neutrons produced in fusion plasma. This paper reviews present status of development of plasma facing materials for operating tokamak devices, next generation devices, and demo reactors. Major concerns of material development are also summarized. Low-Z materials such as Carbon and Beryllium have been applied for the plasma facing materials. Since those materials, however, can not survive under high neutron fluences of fusion reactors, high-Z materials have been foreseen. It is strongly required to evaluate thermal and mechanical properties of these materials with and without neutron irradiation. Evaluation of material erosion with simulated plasma disruption heat loads is also critical to estimate the life-time of the plasma facing materials.
社団法人プラズマ・核融合学会の論文
1994-07-25