Standard Swedish standard · SS-EN ISO 21968:2005

Non-magnetic metallic coatings on metallic and non-metallic basis materials - Measurement of coating thickness - Phase-sensitive eddy-current method (ISO 21968:2005)

Status: Withdrawn

· Replaced by: SS-EN ISO 21968:2019
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Standard Swedish standard · SS-EN ISO 21968:2005

Non-magnetic metallic coatings on metallic and non-metallic basis materials - Measurement of coating thickness - Phase-sensitive eddy-current method (ISO 21968:2005)
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Scope
This International Standard describes a method of using phase-sensitive eddy-current instruments for non-destructive measurements of the thickness of non-magnetic metallic coatings on metallic and non-metallic
basis materials, such as:
a) zinc, cadmium, copper, tin or chromium on steel;
b) copper or silver on composite materials.
The phase-sensitive method can be applied without thickness errors to smaller surface areas and to stronger surface curvatures than the amplitude-sensitive eddy-current method described in ISO 2360[1], and is less affected by the magnetic properties of the basis material. However, the phase-sensitive method is more affected by the electrical properties of the coating materials.
When measuring metallic coatings on metallic basis materials, the product of conductivity and permeability (sigma, my) of one of the materials should be at least a factor of 1,5 times the product of conductivity and permeability for the other material. Non-ferromagnetic materials have a relative permeability of 1.

Subjects

Metallic coatings (25.220.40)


Buy this standard

Standard Swedish standard · SS-EN ISO 21968:2005

Non-magnetic metallic coatings on metallic and non-metallic basis materials - Measurement of coating thickness - Phase-sensitive eddy-current method (ISO 21968:2005)
Subscribe on standards - Read more Dölj
Price: 875 SEK
standard ikon pdf

PDF

Price: 875 SEK
standard ikon

Paper

Price: 1 400 SEK
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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-40365

Edition: 1

Approved: 8/4/2005

No of pages: 16

Replaced by: SS-EN ISO 21968:2019