Basic Components & Elements of Surface Topography
Basic Components & Elements of Surface Topography
Basic Components & Elements of Surface Topography
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R p , R pm Parameter<br />
• The Mean Leveling Depth R pm is the mean <strong>of</strong> five leveling depths <strong>of</strong> five<br />
successive sample lengths l.<br />
R pm = 1/5 (R p1 + R p2 + R p3 + R p4 + R p5 )<br />
• The Leveling Depth R p is also the largest <strong>of</strong> the five leveling depths. The<br />
Maximum Roughness Depth R t (peak to valley height) is the vertical distance<br />
between the highest peak and the lowest valley <strong>of</strong> the roughness pr<strong>of</strong>ile R<br />
within the evaluation length L.<br />
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