BS-EN-583-6-2008.pdf
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1、BS EN 583-6:2008 ICS 19.100 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Non-destructive testing Ultrasonic examination Part 6 Time-of-flight diffraction technique as a method for detection and sizing of discontinuities Licensed CopyChinese University of Ho
2、ng Kong, 11/04/2009 07:43, Uncontrolled Copy, (c) BSI This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2009 BSI 2009 ISBN 978 0 580 58071 0 Amendments/corrigenda issued since publication DateComments BS EN 583-6:2008 National foreword
3、 This British Standard is the UK implementation of . It supersedes BS 7706:1993 and DD ENV 583-6:2000 which withdrawn. The UK participation in its preparation was entrusted to Technical Committee WEE/46, Non-destructive testing. A list of organizations represented on this committee can be obtained o
4、n request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. EN 583-6:2008 are Licensed CopyChinese University
5、of Hong Kong, 11/04/2009 07:43, Uncontrolled Copy, (c) BSI BS EN 583-6:2008BS EN 583-6:2008BS EN 583-6:2008BS EN 583-6:2008BS EN 583-6:2008 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 583-6 December 2008 ICS 19.100Supersedes ENV 583-6:2000 English Version Non-destructive testing - Ultrasoni
6、c examination - Part 6: Time- of-flight diffraction technique as a method for detection and sizing of discontinuities Essais non destructifs - Contrle ultrasonore - Partie 6: Technique de diffraction du temps de vol utilise comme mthode de dtection et de dimensionnement des discontinuits Zerstrungsf
7、reie Prfung - Ultraschallprfung - Teil 6: Beugungslaufzeittechnik, eine Technik zum Auffinden und Ausmessen von Inhomogenitten This European Standard was approved by CEN on 29 October 2008. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for g
8、iving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official
9、versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Bel
10、gium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FO
11、R STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 583-6:2008: E Licensed CopyChinese Universit
12、y of Hong Kong, 11/04/2009 07:43, Uncontrolled Copy, (c) BSI BS EN 583-6:2008BS EN 583-6:2008BS EN 583-6:2008BS EN 583-6:2008BS EN 583-6:2008 EN 583-6:2008 (E) 2 Contents Page Foreword 4 1 Scope 5 2 Normative references 5 3 Terms, definitions, symbols and abbreviations .6 3.1 Terms and definitions .
13、6 3.2 Abbreviations .6 3.3 Symbols 6 4 General 7 4.1 Principle of the technique .7 4.2 Requirements for surface condition and couplant 9 4.3 Materials and process type .9 5 Qualification of personnel 9 6 Equipment requirements 9 6.1 Ultrasonic equipment and display .9 6.2 Ultrasonic probes . 10 6.3
14、Scanning mechanisms . 11 7 Equipment set-up procedures . 11 7.1 General . 11 7.2 Probe choice and probe separation 12 7.2.1 Probe selection . 12 7.2.2 Probe separation. 13 7.3 Time window setting 13 7.4 Sensitivity setting . 13 7.5 Scan resolution setting 14 7.6 Setting of scanning speed . 14 7.7 Ch
15、ecking system performance . 14 8 Interpretation and analysis of data . 14 8.1 Basic analysis of discontinuities 14 8.1.1 General . 14 8.1.2 Characterisation of discontinuities . 14 8.1.3 Estimation of discontinuity position. 15 8.1.4 Estimation of discontinuity length 15 8.1.5 Estimation of disconti
16、nuity depth and height . 16 8.2 Detailed analysis of discontinuities 16 8.2.1 General . 16 8.2.2 Additional scans . 17 8.2.3 Additional algorithms . 18 9 Detection and sizing in complex geometries . 18 10 Limitations of the technique 18 10.1 General . 18 10.2 Accuracy and resolution 19 10.2.1 Genera
17、l . 19 10.2.2 Errors in the lateral position 19 10.2.3 Timing errors . 19 10.2.4 Errors in sound velocity . 19 10.2.5 Errors in probe centre separation . 19 10.2.6 Spatial resolution 20 10.3 Dead zones 20 Licensed CopyChinese University of Hong Kong, 11/04/2009 07:43, Uncontrolled Copy, (c) BSI BS E
18、N 583-6:2008BS EN 583-6:2008BS EN 583-6:2008BS EN 583-6:2008BS EN 583-6:2008 EN 583-6:2008 (E) 3 11 TOFD examination without data recording . 20 12 Test procedure . 21 13 Test report 21 Annex A (normative) Reference blocks 22 Bibiliography23 Licensed CopyChinese University of Hong Kong, 11/04/2009 0
19、7:43, Uncontrolled Copy, (c) BSI BS EN 583-6:2008BS EN 583-6:2008BS EN 583-6:2008BS EN 583-6:2008BS EN 583-6:2008 EN 583-6:2008 (E) 4 Foreword This document (EN 583-6:2008) has been prepared by Technical Committee CEN/TC 138 “Non-destructive testing”, the secretariat of which is held by AFNOR. This
20、European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2009, and conflicting national standards shall be withdrawn at the latest by June 2009. Attention is drawn to the possibility that some of the eleme
21、nts of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes ENV 583-6:2000. The relevant changes from the previous edition are as follows: the terminology was revised; the reference
22、s were updated. EN 583, Non-destructive testing Ultrasonic examination consists of the following parts: EN 583-1, Non-destructive testing Ultrasonic examination Part 1: General principles EN 583-2, Non-destructive testing Ultrasonic examination Part 2: Sensitivity and range setting EN 583-3, Non-des
23、tructive testing Ultrasonic examination Part 3: Transmission technique EN 583-4, Non-destructive testing Ultrasonic examination Part 4: Examination for discontinuities perpendicular to the surface EN 583-5, Non-destructive testing Ultrasonic examination Part 5: Characterization and sizing of discont
24、inuities EN 583-6, Non-destructive testing Ultrasonic examination Part 6: Time-of-flight diffraction technique as a method for detection and sizing of discontinuities According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to imple
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