| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2016: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
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| Outline of Final Research Achievements |
We aim at strengthening creep resistant ferritic steels by controlling precipitation of Laves phase along the eutectoid type reaction path of delta ferrite phase, and have obtained the following results: (1) we have found a metallurgical way to have fine distribution of Laves phase through interphase precipitation, (2) we have found that the creep life improves at relatively low stress/high temperature conditions by introducing fine distribution of Laves phase through interphase precipitation, probably because of the increase in the resistance for the recovery and recrystallization against creep deformation.
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