| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2014: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Outline of Final Research Achievements |
A high concentration magnetic colloid was synthesized by dispersing Fe nanoparticles in oil phase. The Fe nanoparticles were synthesized from a bulk Fe by arc plasma method, and were surface-modified to enhance oxidation resistance and dispersion stability. The highest magnetorheological (MR) effect among magnetic colloids was observed in this magnetic colloid. MR effect is a phenomenon in which the fluidity changes isothermally reversibly from a liquid to a gel under a magnetic field. In addition, we have found a function to mimic human feeling (haptic interface) for a fluidic device using the magnetic colloid, and it is expected to be applied as a soft material with reversible joining function.
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