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The Quantitative Analysis of Surface Roughness in the Dry Friction |
LIU Hongtao, JIN Jing, CAO Shoufan, GE Shirong |
School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou 221116 |
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Cite this article:
LIU Hongtao JIN Jing CAO Shoufan GE Shirong. The Quantitative Analysis of Surface Roughness in the Dry Friction. Chin J Mater Res, 2011, 25(5): 483-488.
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Abstract Based on the wear test of metal materials and the variation law of friction coefficients and the surface topographies of wear, the variation of surface roughness during the process of wear was quantitatively studied by using the typical characterizing parameters such as arithmetical mean deviation of the profile (Ra), mean square error (σ), statistical distribution parameters, coefficient of skewness (Rsk) and coefficient of kurtosis (Rku). The results indicated that after the wear was stable, Ra and σ were both decreased gradually and the profile peaks on the wear surface were blunt. In addition, the distribution of profile’s height was more and more near normal distribution and the data were more and more concentrated.
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Received: 21 July 2011
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Fund: Supported by National Natural Science Foundation of China No.51075387. |
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