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内容記述 |
Beryllium intermetallic compounds, beryllides, are considered promising materials for neutron multipliers in fusion reactor breeding blankets due to their minimal swelling characteristics and lower reactivity with water vapor at high temperatures compared to beryllium. In the latest JA DEMO reactor design, it has been suggested to utilize beryllides in block form rather than as pebbles. Consequently, it is essential to develop a comprehensive database detailing the various properties of beryllide blocks. We investigated the changes in properties of Be12Ti blocks due to sintering temperature using plasma sintering. It is necessary to understand the entire nature of the device and determine the properties of plasma-sintered Be12Ti. Thus, this study includes an overview of the properties of plasma-sintered Be12Ti.The beryllide blocks were prepared using the plasma sintering technique with homogenized Be12Ti powder. The sintering processes were carried out at different temperatures of 1050, 1100, and 1200 ˚C. Sintered density, Vickers hardness, and thermal conductivity were evaluated. From the results, including workability and sintered density, it was found that the optimal sintering temperature was 1200 ˚C. Subsequently, compression tests with samples sintered at 1200 ˚C were carried out. Hydrogen generation concerning the reactivity with water vapor was also investigated. |
