I.S. EN ISO 21968:2005
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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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
30-04-2020
English
01-01-2005
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.
Dates of withdrawal of national standards are available from NSAI.
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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Withdrawn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 |
| ONORM EN ISO 21968 : 2005 | Identical |
| NF EN ISO 21968 : 2005 | Identical |
| BS EN ISO 21968:2005 | Identical |
| NEN 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 |
| UNE-EN ISO 21968:2006 | Identical |
| ISO 21968:2005 | Identical |
| EN ISO 21968:2005 | Identical |
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