Abstract

The Circular Texture Meter (CTM) recently developed is a device which has a CCD Laser Displacement Sensor mounted on an aim designed to rotate on a circumference of 142 mm radius. The CTM can measure the texture with about 0.9 mm pitch on the same circumference of that coefficient of friction is measured with a D. F. Tester.In this study, we have analyzed the relationship between MPD by CTM and MTD by Sand Patch Test. Also, we have measured the coefficient of friction with D. F. Tester at the same spots as that the texture was measured by the CTM.We have observed a good correlation between the MPD by CTM and the MTD by the Sand Patch Test. And it is found that International Friction Index can be computed from the CTM measurements and the D. F. Tester measurements.

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