SIST EN ISO 22459:2024

SLOVENSKI STANDARD
01-november-2024
Fina keramika (sodobna keramika, sodobna tehnična keramika) - Ojačitev
keramičnih kompozitov - Ugotavljanje porazdelitve natezne trdnosti in
deformacij/obremenitev vlaken v svežnjih pri temperaturi okolice (ISO 22459:2024)
Fine ceramics (advanced ceramics, advanced technical ceramics) - Reinforcement of
ceramic composites - Determination of distribution of tensile strength and tensile strain to
failure of filaments within a multifilament tow at ambient temperature (ISO 22459:2024)
Hochleistungskeramik - Faserverstärkungen von keramischen Verbundwerkstoffen -
Bestimmung der Verteilung von Zugfestigkeit und Zugdehnung bis zum Versagen von
Filamenten innerhalb eines Multifilamentkabels bei Raumtemperatur (ISO 22459:2024)
Céramiques techniques - Renfort de céramiques composites - Détermination de la
distribution de la résistance en traction et de la déformation à la rupture en traction de
filaments dans un fil multifilamentaire à température ambiante (ISO 22459:2024)
Ta slovenski standard je istoveten z: EN ISO 22459:2024
ICS:
81.060.30 Sodobna keramika Advanced ceramics
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 22459
EUROPEAN STANDARD
NORME EUROPÉENNE
August 2024
EUROPÄISCHE NORM
ICS 81.060.30 Supersedes EN ISO 22459:2022
English Version
Fine ceramics (advanced ceramics, advanced technical
ceramics) - Reinforcement of ceramic composites -
Determination of distribution of tensile strength and
tensile strain to failure of filaments within a multifilament
tow at ambient temperature (ISO 22459:2024)
Céramiques techniques - Renfort de céramiques Hochleistungskeramik - Faserverstärkungen von
composites - Détermination de la distribution de la keramischen Verbundwerkstoffen - Bestimmung der
résistance en traction et de la déformation à la rupture Verteilung von Zugfestigkeit und Zugdehnung bis zum
en traction de filaments dans un fil multifilamentaire à Versagen von Filamenten innerhalb eines
température ambiante (ISO 22459:2024) Multifilamentkabels bei Raumtemperatur (ISO
22459:2024)
This European Standard was approved by CEN on 30 June 2024.

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
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 22459:2024 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 22459:2024) has been prepared by Technical Committee ISO/TC 206 "Fine
ceramics" in collaboration with Technical Committee CEN/TC 184 “Advanced technical ceramics” the
secretariat of which is held by DIN.
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 February 2025, and conflicting national standards
shall be withdrawn at the latest by February 2025.
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 22459:2022.
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 22459:2024 has been approved by CEN as EN ISO 22459:2024 without any modification.

International
Standard
ISO 22459
Second edition
Fine ceramics (advanced ceramics,
2024-08
advanced technical ceramics) —
Reinforcement of ceramic
composites — Determination of
distribution of tensile strength and
tensile strain to failure of filaments
within a multifilament tow at
ambient temperature
Céramiques techniques — Renfort de céramiques composites —
Détermination de la distribution de la résistance en traction et de
la déformation à la rupture en traction de filaments dans un fil
multifilamentaire à température ambiante
Reference number
ISO 22459:2024(en) © ISO 2024
ISO 22459:2024(en)
© ISO 2024
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
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Published in Switzerland
ii
ISO 22459:2024(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Significance and use . 2
6 Apparatus . 3
6.1 Tensile testing equipment .3
6.2 Data recording .4
7 Test specimen . 4
7.1 General .4
7.2 Window type specimen .4
7.3 Cylindrical end type specimen .4
8 Test specimen preparation . 5
8.1 General .5
8.2 Window type specimen .5
8.3 Cylindrical end type specimen .6
8.4 Number of test specimens .6
9 Test procedure . 6
9.1 Determination of the initial cross-section area .6
9.2 Determination of the gauge length .6
9.3 Gripping .6
9.4 Selection of strain rate .7
9.5 Test procedure .7
9.6 Determination of load train compliance .7
9.7 Test validity .8
10 Calculation of results . 8
10.1 Calculation of the load train compliance C .8
l
10.2 Calculation of probability of filament rupture P from the tests on specimens with a
j
gauge length of 200 mm .10
10.2.1 Determination of the true origin .10
10.2.2 Construction of envelope curve and determination of instantaneous compliance
C .10
t,j
10.2.3 Probability of filament rupture .11
10.3 Distribution of filament rupture strain .11
10.3.1 Calculation of filament rupture strain .11
10.3.2 Filament rupture strain distribution .11
10.4 Distribution of filam
...