MNM-P6-5 レーザー加熱下においてせん断されるナノ厚さ液体潤滑剤の粘弾性特性(P6 情報・精密機器におけるマイクロ・ナノテクノロジー)

概要

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In this study, we measured temperature dependence of viscoelastic properties of PFPE lubricant that was confined in nanometer-sized gap widths. In the viscoelastic measurement, we used the fiber wobbling method, which is the highly sensitive shear force measuring method that we have originally developed. Our experimental results showed that the confinement enhanced both viscosity and elasticity. However, they decreased with increasing heating temperature. In addition the temperature dependence of the lubricant's viscosity was well expressed by Andrade's equation, which is the empirical law to explain the temperature dependence of viscosity of bulk liquid, even under the confined state.
一般社団法人日本機械学会の論文
2010-10-12