| Budget Amount *help |
¥18,980,000 (Direct Cost: ¥14,600,000、Indirect Cost: ¥4,380,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2010: ¥13,390,000 (Direct Cost: ¥10,300,000、Indirect Cost: ¥3,090,000)
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| Research Abstract |
Domestic and international research collaboration has been made on TFGR (Toughened, Fine Grained, Recrystallized) tungsten-based materials in order to examine their applicability to divertor material. It is found that TFGR W-1.1%TiC and W-3.3%TaC exhibit more satisfactory performances from the viewpoints of various thermo-mechanical properties including the ductile-brittle transition temperature, response to thermal shock and thermal fatigue loading, and irradiation tolerance behavior against energetic particle irradiations and hydrogen isotope plasmaexposure. A more time saving and economical fabrication method has been established.
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