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BS EN ISO 1463:2021

$102.76

Metallic and oxide coatings. Measurement of coating thickness. Microscopical method

Published By Publication Date Number of Pages
BSI 2021 20
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This document specifies a method for the measurement of the local thickness of metallic coatings, oxide layers, and porcelain or vitreous enamel coatings, by the microscopical examination of cross-sections using an optical microscope.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Factors relating to measurement uncertainty
5.1 Surface roughness
8 5.2 Taper of cross-section
5.3 Deformation of coating
5.4 Rounding of edge of coating
5.5 Overplating
5.6 Etching
5.7 Smearing
5.8 Magnification
5.9 Calibration of stage micrometer
5.10 Calibration of the microscope’s length measuring device
5.10.1 Micrometer eyepiece
9 5.10.2 Digital image processing
5.11 Uniformity of magnification
5.12 Lens quality
5.13 Orientation of measuring lines
5.14 Tube length
10 6 Preparation of cross-sections
7 Measurement
8 Measurement uncertainty
9 Test report
12 Annex A (informative) Guidance on the preparation and measurement of cross-sections
15 Annex B (informative) Taper of cross-section and measurement of tooth-constructed coatings
18 Annex C (informative) Some typical etchants for use at room temperature
19 Bibliography
BS EN ISO 1463:2021
$102.76