I.S. EN ISO 21968:2005
Withdrawn
View Superseded by
NON-MAGNETIC METALLIC COATINGS ON METALLIC AND NON-METALLIC BASIS MATERIALS - MEASUREMENT OF COATING THICKNESS - PHASE-SENSITIVE EDDY-CURRENT METHOD
Hardcopy , PDF
English
01-01-2005
04-30-2020
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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.
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| NF EN ISO 21968 : 2005 | Identical |
| BS EN ISO 21968:2005 | Identical |
| NEN 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 |
| ISO 21968:2005 | Identical |
| EN ISO 21968:2005 | Identical |
| UNE-EN ISO 21968:2006 | Identical |
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