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prEN ISO 4518

Metallic coatings - Measurement of coating thickness - Profilometric method (ISO/DIS 4518:2020)

Üldinfo
Kavand
Alusdokumendid
ISO/DIS 4518; prEN ISO 4518
Tegevusala (ICS grupid)
25.220.40 Metallpinded
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
Põhitekst
prEN ISO 4518
01.01.2000
Põhitekst
This document specifies a method for the measurement of metal coating thickness by first forming a step between the surface of the coating and the surface of its substrate and then measuring the step height using a profile recording instrument. It covers the instrumentation characteristics and the procedure appropriate to this specific application of profilometric methods. The method is applicable to the measurement of thicknesses of metal coatings from 0,01 μm to 1 000 μm on flat surfaces and, if appropriate precautions are taken, on cylindrical surfaces. It is highly suitable for the measurement of minute thicknesses but, for thicknesses of less than 0,01 μm, surface flatness and surface smoothness are very critical and accordingly, the method is not recommended for use down to the lowest level of measurement usual for electronic stylus instruments. The method is suitable for measuring coating thicknesses when preparing coating thickness reference standards.
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