Two-Dimensional Measurements of Lubricant Spreading on Diamond-Like-Carbon Surface Using Image Processing on Fringe Patterns Formed by Michelson Interferometry

[+] Author and Article Information
Yasunaga Mitsuya, Hedong Zhang, Sakiko Ishida

Nagoya University, Department of Electronic-Mechanical Engineering, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

J. Tribol 123(1), 188-195 (Jul 25, 2000) (8 pages) doi:10.1115/1.1327582 History: Received March 23, 2000; Revised July 25, 2000
Copyright © 2001 by ASME
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Grahic Jump Location
Spreading profiles of PFPE Zdol
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Back-surface reflection
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Reduction in sensitivity for back surface reflection
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Comparison between front and back-surface reflections: (a) front-surface reflection; (b) back-surface reflection.
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Spreading profiles of PFPE Zdol
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Methodology of measurement
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Example of fringes formed over the boundary between lubricant and disk
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Effects of fringe following technique: (a) fringes obtained without fringe following technique; (b) fringes obtained with fringe following technique.
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Error-map and noise suppression effects: (a) error-map; (b) noise suppression utilizing error-map.
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Front-surface reflection
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Relationship between actual and observed thicknesses



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