| Project/Area Number |
25420153
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Thermal engineering
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| Research Institution | Kanazawa University |
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Principal Investigator |
KIMURA Shigeo 金沢大学, 環日本海域環境研究センター, 教授 (70272953)
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| Co-Investigator(Kenkyū-buntansha) |
MONZEN RYOICHI 金沢大学, 理工学域機械工学系, 教授 (20166466)
KOMATSU NOBUYOSHI 金沢大学, 理工学域機械工学系, 准教授 (20436827)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2015: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Keywords | 共晶合金 / 凝固速度 / 組織制御 / 組成制御 / 伝熱工学 / 凝固 / 金属材料 / 自然対流 / 二重拡散 |
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| Outline of Final Research Achievements |
Molten eutectic alloy metal, based on Zn-Sn mixture, was made in a cylindrical electrically heated furnace. The molten alloy was then cooled from above, with a disc-type temperature-controllable cooling object. The vertical temperature distributions below the cooling surface were monitored during the solidification process. The solidifying speeds were then computed, assuming that the eutectic temperature corresponds to the solidifying boundary. The small specimens taken at different vertical positions were analyzed with microscope. A clear correlation between the dendrite arm intervals and the computed solidifying speeds is observed. This proves that the micro-structure of the solid layer can be controlled by a temperature-controlled cooling surface.
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