I.S. EN 583-6:2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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-DESTRUCTIVE TESTING - ULTRASONIC EXAMINATION - PART 6: TIMEOF- FLIGHT DIFFRACTION TECHNIQUE AS A METHOD FOR DETECTION AND SIZING OF DISCONTINUITIES
Hardcopy , PDF
English
01-01-2008
15-03-2014
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 Normative references
3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
3.2 Abbreviations
3.3 Symbols
4 General
4.1 Principle of the technique
4.2 Requirements for surface condition and couplant
4.3 Materials and process type
5 Qualification of personnel
6 Equipment requirements
6.1 Ultrasonic equipment and display
6.2 Ultrasonic probes
6.3 Scanning mechanisms
7 Equipment set-up procedures
7.1 General
7.2 Probe choice and probe separation
7.2.1 Probe selection
7.2.2 Probe separation
7.3 Time window setting
7.4 Sensitivity setting
7.5 Scan resolution setting
7.6 Setting of scanning speed
7.7 Checking system performance
8 Interpretation and analysis of data
8.1 Basic analysis of discontinuities
8.1.1 General
8.1.2 Characterisation of discontinuities
8.1.3 Estimation of discontinuity position
8.1.4 Estimation of discontinuity length
8.1.5 Estimation of discontinuity depth and height
8.2 Detailed analysis of discontinuities
8.2.1 General
8.2.2 Additional scans
8.2.3 Additional algorithms
9 Detection and sizing in complex geometries
10 Limitations of the technique
10.1 General
10.2 Accuracy and resolution
10.2.1 General
10.2.2 Errors in the lateral position
10.2.3 Timing errors
10.2.4 Errors in sound velocity
10.2.5 Errors in probe centre separation
10.2.6 Spatial resolution
10.3 Dead zones
11 TOFD examination without data recording
12 Test procedure
13 Test report
Annex A (normative) Reference blocks
Bibliography
Describes the general principles for the application of the Time-Of-Flight Diffraction (TOFD) technique for both detection and sizing of discontinuities in low alloyed carbon steel components.
| DevelopmentNote |
Supersedes I.S. ENV 583-6. (02/2009)
|
| DocumentType |
Standard
|
| Pages |
25
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| EN 583-6:2008 | Identical |
| BS EN 583-6:2008 | Equivalent |
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