Coating performance is related to the profile height on a steel surface. Three types of devices are available to take measurements of this surface profile: replica tape, depth micrometers fitted with pointed probes, and stylus roughness testers. This paper presents results from a recent analysis of measurements taken by the three device types on steel blasted with an assortment of blast media and proposes a new method of depth micrometer measurement called average of the maximum peaks.

Subject
Comparators, Test methods, Steel surfaces, Protective coatings, Tape, Probes, Abrasives, Roughness, Instrumentation, Measurement, Steel, Dry film thickness, Surface profile
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2013
Association for Materials Protection and Performance (AMPP)
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