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Homepage>BS Standards>17 METROLOGY AND MEASUREMENT. PHYSICAL PHENOMENA>17.040 Linear and angular measurements>17.040.20 Properties of surfaces>BS EN ISO 9220:2022 Metallic coatings. Measurement of coating thickness. Scanning electron microscope method
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immediate downloadReleased: 2022-07-26
BS EN ISO 9220:2022 Metallic coatings. Measurement of coating thickness. Scanning electron microscope method

BS EN ISO 9220:2022

Metallic coatings. Measurement of coating thickness. Scanning electron microscope method

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Standard number:BS EN ISO 9220:2022
Pages:20
Released:2022-07-26
ISBN:978 0 539 04565 9
Status:Standard
DESCRIPTION

BS EN ISO 9220:2022


This standard BS EN ISO 9220:2022 Metallic coatings. Measurement of coating thickness. Scanning electron microscope method is classified in these ICS categories:
  • 17.040.20 Properties of surfaces
  • 25.220.40 Metallic coatings
This document specifies a destructive method for the measurement of the local thickness of metallic and other inorganic coatings by examination of cross-sections with a scanning electron microscope (SEM). The method is applicable for thicknesses up to several millimetres, but for such thick coatings it is usually more practical to use a light microscope (see ISO 1463). The lower thickness limit depends on the achieved measurement uncertainty (see Clause 10). NOTE       The method can also be used for organic layers when they are neither damaged by the preparation of the cross-section nor by the electron beam during imaging.