On the Ratio of Surface Roughness Parameters

被引：0
|
作者：
V. I. Mironchenko
机构：
来源：
Measurement Techniques | 2005年 / 48卷
关键词：
surface; roughness; parameter; function; R; /R; ratio;
D O I：
暂无
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学科分类号：
摘要：
The ratio of the arithmetic mean and root-mean-square deviations of the surface profile, Ra/Rq ≤ 1, has been estimated on the basis of the Holder inequality. The exact upper limit can be reached on a set of continuous functions for an absolutely smooth surface. This can also be done on a set of functions with a first-order discontinuity for a set of step functions. The lower limit of that ratio is found to be zero. A method of estimating the ratio Ra/Rq is presented.
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页码：141 / 145
页数：4
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