An Analysis of the Deformation of Contacting Rough Surfaces : 1st Report, Analysis and Measurement of Slope of Surface Roughness
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概要
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The distribution of the slopes of projections of surface asperity is necessary knowledge to analyze the deformation of contacting rough surfaces. In this report, the distribution of the slopes of projections is analyzed theoretically for ground surfaces of carbon steel and cast iron on the supposition that the asperity of surface is a wedge. The slope of projections is smoother than the original when a surface is measured by the profilometer with a stylus. Assuming that the profilograph is hyperbolic, the distribution of the slopes can be analyzed theoretically. The results coincided with experimental data. This distribution defined in this report varies depending on the form parameter, but the variance of the slope has no relation with this parameter. In this report, the slope is calculated from the discrete data. As a result, the variance of the slope could be calculated for any sampling space and then the authors showed the method to determine the variance of the slope from that of surface roughness height.
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関連論文
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