Metallic materials - Charpy V-notch pendulum impact test - Instrumented test method (ISO 14556:2023)

This document specifies a method of instrumented Charpy V-notch pendulum impact testing on metallic materials and the requirements concerning the measurement and recording equipment.
With respect to the Charpy pendulum impact test described in ISO 148-1, this test provides further information on the fracture behaviour of the product under impact testing conditions.
The results of instrumented Charpy test analyses are not directly transferable to structures or components and shall not be directly used in design calculations or safety assessments.
NOTE            General information about instrumented impact testing can be found in References [1] to [5].

Metallische Werkstoffe - Kerbschlagbiegeversuch nach Charpy (V-Kerb) - Instrumentiertes Prüfverfahren (ISO 14556:2023)

Dieses Dokument legt den instrumentierten Kerbschlagbiegeversuch nach Charpy (V-Kerb) für metallische Werkstoffe sowie die Anforderungen an die Mess- und Aufzeichnungseinrichtungen fest.
In Bezug auf den in ISO148-1 beschriebenen Kerbschlagbiegeversuch nach Charpy ermöglicht der hier be- schriebene Versuch weitergehende Aussagen über das Bruchverhalten des untersuchten Erzeugnisses unter schlagartigen Beanspruchungsbedingungen.
Die Ergebnisse von instrumentierten Charpy-Prüfungen sind nicht direkt auf Konstruktionen oder Bauteile übertragbar und dürfen nicht direkt in Auslegungsberechnungen oder Sicherheitsbeurteilungen verwendet werden.
ANMERKUNG Allgemeine Angaben zum instrumentierten Kerbschlagbiegeversuch können den Literaturhinweisen [1] bis [5] entnommen werden.

Matériaux métalliques - Essai de flexion par choc sur éprouvette Charpy à entaille en V - Méthode d'essai instrumenté (ISO 14556:2023)

Le présent document spécifie une méthode d’essai instrumenté de flexion par choc sur éprouvette Charpy à entaille en V pour les produits métalliques ainsi que les exigences concernant le matériel de mesure et d’enregistrement.
Par rapport à l’essai de flexion par choc sur éprouvette Charpy décrit dans la norme ISO 148-1, le présent essai fournit des informations supplémentaires sur le comportement à la rupture du produit soumis à des conditions d’essai de choc.
Les résultats d'analyses réalisées au moyen de l'essai Charpy instrumenté ne sont pas directement transférables à des structures ou à des composants et ne doivent pas être utilisée directement dans les calculs de conception ou bien dans l'évaluation de la sécurité.
NOTE            Des informations à caractère général sur la méthode d’essai de flexion par choc instrumenté peuvent être trouvées dans les Références [1] à [5].

Kovinski materiali - Udarni preskus žilavosti po Charpyju (V-zareza) - Instrumentirana preskusna metoda (ISO 14556:2023)

Ta dokument določa metodo instrumentiranega udarnega preskusa žilavosti po Charpyju (V-zareza) na kovinskih materialih ter zahteve glede opreme za merjenje in beleženje.
Glede na udarni preskus po Charpyju, opisan v ISO 148-1, ta preskus zagotavlja dodatne informacije o obnašanju razpokanja izdelka pod pogoji udarnega preskušanja.
Rezultatov analiz instrumentiranih preskusov po Charpyju ni mogoče neposredno prenesti na strukture ali komponente in se jih ne sme neposredno uporabiti pri konstrukcijskih izračunih ali ocenah varnosti.
OPOMBA: Splošne informacije o instrumentiranem udarnem preskušanju so navedene v referencah [1] do [5].

General Information

Status
Published
Publication Date
30-May-2023
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
31-May-2023
Completion Date
31-May-2023

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SLOVENSKI STANDARD
01-oktober-2023
Kovinski materiali - Udarni preskus žilavosti po Charpyju (V-zareza) -
Instrumentirana preskusna metoda (ISO 14556:2023)
Metallic materials - Charpy V-notch pendulum impact test - Instrumented test method
(ISO/FDIS 14556:2023)
Metallische Werkstoffe - Kerbschlagbiegeversuch nach Charpy (V-Kerb) -
Instrumentiertes Prüfverfahren (ISO 14556:2023)
Matériaux métalliques - Essai de flexion par choc sur éprouvette Charpy à entaille en V -
Méthode d'essai instrumenté (ISO 14556:2023)
Ta slovenski standard je istoveten z: EN ISO 14556:2023
ICS:
77.040.10 Mehansko preskušanje kovin Mechanical testing of metals
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 14556
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2023
EUROPÄISCHE NORM
ICS 77.040.10 Supersedes EN ISO 14556:2015
English Version
Metallic materials - Charpy V-notch pendulum impact test
- Instrumented test method (ISO 14556:2023)
Matériaux métalliques - Essai de flexion par choc sur Metallische Werkstoffe - Kerbschlagbiegeversuch nach
éprouvette Charpy à entaille en V - Méthode d'essai Charpy (V-Kerb) - Instrumentiertes Prüfverfahren (ISO
instrumenté (ISO 14556:2023) 14556:2023)
This European Standard was approved by CEN on 16 April 2023.

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, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 14556:2023 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 14556:2023) has been prepared by Technical Committee ISO/TC 164
"Mechanical testing of metals" in collaboration with Technical Committee CEN/TC 459/SC 1 “Test
methods for steel (other than chemical analysis)” the secretariat of which is held by AFNOR.
This 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 November 2023, and conflicting national standards
shall be withdrawn at the latest by November 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 14556:2015.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: 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, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 14556:2023 has been approved by CEN as EN ISO 14556:2023 without any modification.

INTERNATIONAL ISO
STANDARD 14556
Third edition
2023-05
Metallic materials — Charpy
V-notch pendulum impact test —
Instrumented test method
Matériaux métalliques — Essai de flexion par choc sur éprouvette
Charpy à entaille en V — Méthode d'essai instrumenté
Reference number
ISO 14556:2023(E)
ISO 14556:2023(E)
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 14556:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 Characteristic values of force (see Figure 2) . 1
3.2 Characteristic values of displacement (see Figure 2) . 2
3.3 Characteristic values of impact energy . 2
4 Symbols and abbreviated terms.3
5 Principle . 3
6 Apparatus . 4
6.1 Testing machine . 4
6.2 Instrumentation and calibration . 4
6.2.1 Traceable measurement . 4
6.2.2 Force measurement . 4
6.2.3 Calibration . . . 5
6.2.4 Displacement measurement . 5
6.2.5 Recording apparatus . 6
6.2.6 Calibration interval . 6
7 Test piece . 6
8 Test procedure .6
9 Expression of results . 6
9.1 General . 6
9.2 Evaluation of the force-displacement curve . 7
9.3 Determination of the characteristic values of force . . 7
9.4 Determination of the characteristic values of displacement . 7
9.5 Determination of the characteristic values of impact energy . 9
10 Test report . 9
Annex A (informative) Examples of instrumented strikers .11
Annex B (informative) Example of support block for the calibration of a 2 mm striker .12
Annex C (informative) Formulae for the estimation of the proportion of ductile fracture
surface . .13
Annex D (normative) Instrumented Charpy V-notch pendulum impact testing of miniature
test pieces .14
Bibliography .19
iii
ISO 14556:2023(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
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electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
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expressions related to conformity assessment, as well as information about ISO's adherence to
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www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 164, Mechanical testing of metals,
Subcommittee SC 4, Fatigue, fracture and toughness testing, in collaboration with the European
Committee for Standardization (CEN) Technical Committee CEN/TC 459/SC 1, Test methods for steel
(other tha
...

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