| Budget Amount *help |
¥16,380,000 (Direct Cost: ¥12,600,000、Indirect Cost: ¥3,780,000)
Fiscal Year 2017: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2016: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2015: ¥10,010,000 (Direct Cost: ¥7,700,000、Indirect Cost: ¥2,310,000)
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| Outline of Final Research Achievements |
An extremely low friction coefficient of 0.001 order is achieved in a living joint. This is a lubrication mechanism commonly found on the surface of the gel-like material, called hydration lubrication. In particular, in this research, we aim to realize hydration lubrication by gel thin film formed on arbitrary substrates. However, it is essential to elucidate the mechanism to establish the hydration lubrication as a new lubrication technology. Since the gel is a highly flexible material containing a large amount of water in the polymer, in order to understand its friction characteristic, it is necessary to determine its deformation at the time of sliding. Therefore, in this study, we realized simultaneous measurement of mechanical properties (shear viscoelasticity) and film deformation for the hydrated gel thin films.
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