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Coating Distribution Depending on Surface Microgeometry

  • Biserka Runje , Marija Marković , Ivan Stojanović , Suzana Jakovljević and Željko Alar
Published/Copyright: August 22, 2013
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Abstract

This paper investigates the effects of surface microgeometry on coating thickness, both theoretically and experimentally. In the theoretical part of the paper, surface roughness parameters are analyzed and basic definitions and general requirements on coating quality defined. The experimental part of the paper gives a calculation for the coating quantity required in order to fill “dead volume” depending on surface roughness. Coating distribution is analyzed using scanning electronic microscopy (SEM). The paper also evaluates quality of a measuring system using magnetic method for measuring coating thickness.

Abstract

In der diesem Beitrag zugrunde liegenden Studie wurden die Auswirkungen der Oberflächenmikrogeometrie auf die Beschichtungsdicke theoretisch und experimentell untersucht. Im theoretischen Teil des Beitrages werden die Oberflächenrauheitsparameter analysiert und grundlegende Definitionen sowie generelle Anforderungen an die Beschichtungsqualität definiert. Der experimentelle Teil des Beitrages beschreibt eine Berechnung der erforderlichen Beschichtungsmenge, um das Totvolumen abhängig von der Oberflächenrauheit zu füllen. Die Verteilung der Beschichtung wurde mittels Rasterelektronenmikroskopie (REM) untersucht. Im Beitrag wird außerdem die Qualität eines magnetischen Messsystems für die Schichtdickenmessung evaluiert.

References

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Published Online: 2013-08-22
Published in Print: 2013-05-02

© 2013, Carl Hanser Verlag, München

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