Viscosity Measurement of Lubricants under High Pressure

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概要

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• The pressure-viscosity relation of lubricants, which is important in elastohydrodynamic lubrication, was examined with a diamond-anvil high-pressure generationg apparatus which can produce a pressure of up to 100 GPa. Owing to the optically transparent property of diamonds, the crystallization of lubricants could be observed and their pressure was measured by the ruby fluorescence method, in which the linewidth broadening over the viscosity of 10^<12> Pa・s was used in determining glass transition pressure. The results were compared with the existing values, and the correlation between the glass transition pressure this method to the study of tribology.

• 一般社団法人日本機械学会の論文

著者

• Nakamura Yuichi

  Faculty Of Engineering Mie University

• Fujishiro Lkuya

  Faculty Of Engineering Mie University

• MATSUHlRO Satoshi

  Sanyo Electric Co., Ltd.

• Matsuhlro Satoshi

  Sanyo Electric Co. Ltd.

関連論文

• Evaluation of High Viscosity of Solidified Lubricants at High Pressure by Rayleigh Light Scattering and Photon Correlation Technique
• Pressure and Temperature Effects on Viscosity of Synthetic Lubricants
• The Property of a Ruby High Pressure Sensor Under Uniaxial Compressive Stress
• Evaluation of Sound Velocity and Density of Lubricants under High Pressure by Brillouin Scattering Using Diamond-Anvil Cell
• Viscosity Measurement of Lubricants at Elevated Temperature Under High Pressure : Series C : Vibration, Control Engineering, Engineering for Industry
• High-Pressure Viscoelastic Measurement of Lubricants by Stress Relaxation
• Material Processing Using Microorganisms : An Investigation of Microbial Action on Metals
• Viscosity Measurement of Lubricants under High Pressure

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