Non-destructive testing - Acoustic emission testing - General principles

This European Standard specifies the general principles required for the acoustic emission testing (AT) of industrial structures, components, and different materials under stress and for harsh environment, in order to provide a defined and repeatable performance. It includes guidelines for the preparation of application documents, which describe the specific requirements for the application of the AE method.
Unless otherwise specified in the referencing documents, the minimum requirements of this European Standard are applicable.

Zerstörungsfreie Prüfung - Schallemissionsprüfung - Allgemeine Grundsätze

Diese Europäische Norm legt die allgemeinen Grundlagen fest, deren Beachtung erforderlich ist, um Schallemissionsprüfungen (AT) an industriellen Konstruktionen, Bauteilen und an unterschiedlichen, belasteten Werkstoffen und in rauer Umgebung, in definierter und wiederholbarer Weise durchzuführen. Sie beinhaltet Richtlinien für die Vorbereitung von Anwendungsunterlagen, die die spezifischen Erfordernisse für die Anwendung der Schallemissionsanalyse beschreiben.
Sofern in den in Bezug genommenen Dokumenten nicht anders festgelegt, sind die Mindestanforderungen dieser Europäischen Norm anwendbar.

Essais non destructifs - Émission acoustique - Principes généraux

La présente Norme européenne spécifie les principes généraux requis pour l’essai par émission acoustique (AT) de structures, composants et autres matériaux industriels soumis à des contraintes et à des environnements agressifs, en vue de fournir un résultat bien défini et reproductible. Elle contient les lignes directrices de la préparation des documents d’application qui décrivent les conditions requises spécifiques à l’application de la méthode d’émission acoustique.
Sauf dispositions contraires spécifiées dans les documents de référence, les exigences minimales de la présente Norme européenne sont applicables.

Neporušitveno preskušanje - Akustična emisija - Splošna načela

Ta evropski standard določa splošna načela, potrebna za preskušanje akustičnih emisij industrijskih konstrukcij, komponent in različnih materialov pod obremenitvijo in za neprijazno okolje, da se zagotovi opredeljeno in ponovljivo delovanje. Vključuje smernice za pripravo dokumentov, ki obravnavajo uporabo, ki opisujejo posebne zahteve za uporabo metode akustičnih emisij. Če ni drugače določeno v referenčnih dokumentih, veljajo minimalne zahteve tega evropskega standarda.

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Zertörungsfreie Prüfung - Schallemission - Allgemeine GrundsätzeEssais non destructifs - Émission acoustique - Principes générauxNon destructive testing - Acoustic emission - General principles19.100Neporušitveno preskušanjeNon-destructive testingICS:Ta slovenski standard je istoveten z:EN 13554:2011SIST EN 13554:2011en,fr,de01-april-2011SIST EN 13554:2011SLOVENSKI
STANDARDSIST EN 13554:2004/A1:2004SIST EN 13554:20041DGRPHãþD

EN 13554
January 2011 ICS 19.100 Supersedes EN 13554:2002English Version
Non-destructive testing - Acoustic emission testing - General principles
Essais non destructifs - Émission acoustique - Principes généraux
Zerstörungsfreie Prüfung - Schallemissionsprüfung - Allgemeine Grundsätze This European Standard was approved by CEN on 17 December 2010.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving 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-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official 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-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, 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.
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13554:2011: ESIST EN 13554:2011

page Foreword .31Scope .42Normative references .43Terms and definitions .44Personnel qualification .45Principle of the acoustic emission method .45.1The acoustic emission (AE) phenomenon .45.2Advantages and features of AE .55.3Limitations of AE .66Applications of the acoustic emission method .67Instrumentation .77.1General .77.2AE sensors .77.3Signal conditioning and processing .87.4Settings .97.5External parameters inputs .98Testing .98.1General .98.2Preliminary information .98.3Preliminary preparation . 108.4On-site preparations . 108.5Data acquisition . 108.6Presentation of results . 118.7Subsequent operations . 119Data analysis . 129.1General . 129.2On-line analysis . 129.3Post test analysis. 1210Test instruction . 1311Test documentation and test report . 14Bibliography . 15 SIST EN 13554:2011

Key 1 growing discontinuity 5 signal out 2 surface waves 6 section view of the component material 3 preamplifier 7 wave packet 4 AE sensor 8 applied load inducing stress Figure 1 — Schematic principle of Acoustic Emission and its detection 5.2 Advantages and features of AE The AE method has the following features: a) it is a passive detection method that monitors the dynamic response of the material to the applied load or environment; b) it allows detection of sources, depending on the materials properties, up to several meters distance; c) it allows a 100 % volumetric monitoring of the test object; d) it is sensitive to growth of discontinuities and changes in the material structure rather than to the presence of static discontinuities; e) it is non invasive; f) it offers a dynamic real time monitoring of any discontinuity that grows under the applied stress; g) it can be applied to monitor the structures during operation; h) it can be used to detect the effects of the application of load in order to prevent catastrophic failure of structures; i) it is capable of locating a growing discontinuity in the structure under test by the use of a sufficient number of sensors; j) its measurement frequency range extends from about 20 kHz to 2 MHz depending on the application. SIST EN 13554:2011

 crack activity of rocks and concrete;  etc. It is applied to:  pressure equipment;  pipe systems; SIST EN 13554:2011

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