prEN ISO 16827
(Main)Non-destructive testing - Ultrasonic testing - Characterization and sizing of discontinuities (ISO/DIS 16827:2024)
Non-destructive testing - Ultrasonic testing - Characterization and sizing of discontinuities (ISO/DIS 16827:2024)
ISO 16827:2012 specifies the general principles and techniques for the characterization and sizing of previously detected discontinuities in order to ensure their evaluation against applicable acceptance criteria. It is applicable, in general terms, to discontinuities in those materials and applications covered by ISO 16810.
Zerstörungsfreie Prüfung - Ultraschallprüfung - Beschreibung und Größenbestimmung von Inhomogenitäten (ISO/DIS 16827:2024)
Essais non destructifs - Contrôle par ultrasons - Caractérisation et dimensionnement des discontinuités (ISO/DIS 16827:2024)
L'ISO 16827:2012 décrit les principes généraux et les techniques pour la caractérisation et le dimensionnement des discontinuités détectées au préalable afin de les évaluer correctement par rapport aux critères d'acceptation applicables. Elle s'applique, en termes génériques, aux discontinuités des matériaux et applications couvertes par l'ISO 16810.
Neporušitvene preiskave - Ultrazvočne preiskave - Karakterizacija in velikosti nezveznosti (ISO/DIS 16827:2024)
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Standards Content (Sample)
SLOVENSKI STANDARD
01-april-2024
Neporušitvene preiskave - Ultrazvočne preiskave - Karakterizacija in velikosti
nezveznosti (ISO/DIS 16827:2024)
Non-destructive testing - Ultrasonic testing - Characterization and sizing of discontinuities
(ISO/DIS 16827:2024)
Zerstörungsfreie Prüfung - Ultraschallprüfung - Beschreibung und Größenbestimmung
von Inhomogenitäten (ISO/DIS 16827:2024)
Essais non destructifs - Contrôle par ultrasons - Caractérisation et dimensionnement des
discontinuités (ISO/DIS 16827:2024)
Ta slovenski standard je istoveten z: prEN ISO 16827
ICS:
19.100 Neporušitveno preskušanje Non-destructive testing
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
DRAFT
International
Standard
ISO/DIS 16827
ISO/TC 135/SC 3
Non-destructive testing —
Secretariat: DIN
Ultrasonic testing —
Voting begins on:
Characterization and sizing of
2024-02-23
discontinuities
Voting terminates on:
2024-05-17
Essais non destructifs — Contrôle par ultrasons —
Caractérisation et dimensionnement des discontinuités
ICS: 19.100
THIS DOCUMENT IS A DRAFT CIRCULATED
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This document is circulated as received from the committee secretariat.
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Reference number
ISO/DIS 16827:2024(en)
DRAFT
ISO/DIS 16827:2024(en)
International
Standard
ISO/DIS 16827
ISO/TC 135/SC 3
Non-destructive testing —
Secretariat: DIN
Ultrasonic testing —
Voting begins on:
Characterization and sizing of
discontinuities
Voting terminates on:
Essais non destructifs — Contrôle par ultrasons —
Caractérisation et dimensionnement des discontinuités
ICS: 19.100
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2024
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
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Published in Switzerland Reference number
ISO/DIS 16827:2023(en)
ii
ISO/DIS 16827:2023(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principles of characterization of discontinuities . 1
4.1 General .1
4.2 Requirements for surface condition .2
5 Pulse-echo techniques . 2
5.1 General .2
5.2 Location of discontinuity .2
5.3 Orientation of discontinuity .3
5.4 Assessment of multiple indications .3
5.5 Shape of discontinuity .4
5.5.1 Simple classification .4
5.5.2 Detailed classification .5
5.6 Maximum echo height of indication .5
5.7 Size of discontinuity.5
5.7.1 General .5
5.7.2 Maximum echo height techniques .5
5.7.3 Probe movement sizing techniques .6
5.7.4 Selection of sizing techniques .8
5.7.5 Sizing techniques with focusing probes .8
5.7.6 Use of mathematical algorithms for sizing .8
5.7.7 Special sizing techniques .9
6 Through-transmission technique . 9
6.1 General .9
6.2 Location of discontinuity .9
6.3 Evaluation of multiple discontinuities .10
6.4 Reduction of signal amplitude .10
6.5 Sizing of discontinuity .11
Annex A (normative) Analysis of multiple indications .12
Annex B (normative) Techniques for the classification of discontinuity shape . 14
Annex C (informative) Sizing technique using the maximum echo height .23
Annex D (normative) Sizing techniques using probe movement .25
Annex E (normative) Iterative sizing technique .38
Annex F (normative) Mathematical algorithms for the estimation of the actual size of a
discontinuity .43
Annex G (informative) Examples of special sizing techniques .49
Bibliography .52
iii
ISO/DIS 16827:2023(en)
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
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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).
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This document was prepared by Technical Committee ISO/TC 135, Non-destructive testing, Subcommittee
SC 3, Ultrasonic testing.
This second edition cancels and replaces the first edition (ISO 16827:2012), which has been technically
revised.
The main changes are as follows:
— figures have been updated,
— references have been updated,
— a hint has been added in the scope that the technique can also be used with phased array.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
iv
ISO/DIS 16827:2023(en)
Introduction
The following documents are linked:
ISO 16810, Non-destructive testing — Ultrasonic testing — General principles
ISO 16811, Non-destructive testing — Ultrasonic testing — Sensitivity and range se
...
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