BS EN ISO 21968:2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Non-magnetic metallic coatings on metallic and non-metallic basis materials. Measurement of coating thickness. Phase-sensitive eddy-current method
Hardcopy , PDF
23-09-2023
English
05-12-2005
Foreword
1 Scope
2 Principle
3 Equipment
4 Sampling
5 Factors affecting measurement accuracy
5.1 Coating thickness
5.2 Electrical properties of the basis materials
5.3 Electrical properties of the coating materials
5.4 Basis-metal thickness
5.5 Edge effects
5.6 Surface curvature
5.7 Surface roughness
5.8 Lift-off effect
5.9 Probe pressure
5.10 Probe tilt
5.11 Temperature effects
5.12 Intermediate coatings
6 Procedure
6.1 Calibration of instruments
6.2 Determination
7 Expression of results
8 Measurement uncertainty
9 Test report
Annex A (informative) Eddy-current generation in a metallic
conductor
Annex B (normative) Test for edge effect
Bibliography
Specifies 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.
Committee |
STI/33
|
DevelopmentNote |
Supersedes 03/309343 DC. (12/2005)
|
DocumentType |
Standard
|
Pages |
22
|
PublisherName |
British Standards Institution
|
Status |
Superseded
|
SupersededBy | |
Supersedes |
Standards | Relationship |
ONORM EN ISO 21968 : 2005 | Identical |
UNI EN ISO 21968 : 2005 | Identical |
NS EN ISO 21968 : 1ED 2005 | Identical |
NBN EN ISO 21968 : 2005 | Identical |
DIN EN ISO 21968:2005-10 | Identical |
I.S. EN ISO 21968:2005 | Identical |
NF EN ISO 21968 : 2005 | Identical |
UNE-EN ISO 21968:2006 | Identical |
ISO 21968:2005 | Identical |
EN ISO 21968:2005 | Identical |
NEN EN ISO 21968 : 2005 | Identical |
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