| Budget Amount *help |
¥20,020,000 (Direct Cost: ¥15,400,000、Indirect Cost: ¥4,620,000)
Fiscal Year 2014: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2013: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2012: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2011: ¥12,220,000 (Direct Cost: ¥9,400,000、Indirect Cost: ¥2,820,000)
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| Outline of Final Research Achievements |
We designed a new system for measuring the viscosities of liquids at high pressure using the falling-sphere technique, combined with synchrotron radiation X-ray and a diamond/SiC composite anvil. Installation of the system and improvement of the coating marker sphere have allowed the viscosity measurements of liquid iron alloys at SPring-8. Considering the synthesis method of diamond/SiC composite, a new harder anvil than a conventional tungsten carbide anvil has been developed. We also designed a new method for measuring the density and viscosity of liquids using the falling-sphere technique and successfully determined the density and viscosity of liquid sulfur at high pressures. Our results suggest that sulfur may not play an important role in Mars' core.
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