| Budget Amount *help |
¥25,740,000 (Direct Cost: ¥19,800,000、Indirect Cost: ¥5,940,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥8,190,000 (Direct Cost: ¥6,300,000、Indirect Cost: ¥1,890,000)
Fiscal Year 2013: ¥15,730,000 (Direct Cost: ¥12,100,000、Indirect Cost: ¥3,630,000)
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| Outline of Final Research Achievements |
While beryllium will be used as armor materials for ITER plasma-facing components, available information about beryllium effects on surface properties is still limited due to the precautions concerning beryllium handling. In this study, safety operating system for handling the beryllium-containing samples were constructed at first. Then, the microstructure and the deuterium retention property in beryllium and its deposition layers were systematically investigated. As a consequence, it is considered that Be seeding to plasma has a more dominant influence on microstructures and D retention in plasma-exposed W than He seeding.
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