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    EN 60793-1-33-2017 en Optical fibres - Part 1-33 Measurement methods and test procedures - Stress corrosion susceptibility.pdf

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    EN 60793-1-33-2017 en Optical fibres - Part 1-33 Measurement methods and test procedures - Stress corrosion susceptibility.pdf

    1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Optical fibresPart 1-33: Measurement methods and test procedures - Stress corrosion susceptibility (IEC 60793-1-33:2017)BS EN 60793-1-33:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60793-1-33 November 2017

    2、ICS 33.180.10 Supersedes EN 60793-1-33:2002 English Version Optical fibres - Part 1-33: Measurement methods and test procedures - Stress corrosion susceptibility (IEC 60793-1-33:2017) Fibres optiques - Partie 1-33: Mthodes de mesure et procdures dessai - Rsistance la corrosion sous contrainte (IEC 6

    3、0793-1-33:2017) Lichtwellenleiter - Teil 1-33: Messmethoden und Prfverfahren - Spannungskorrosionsempfindlichkeit (IEC 60793-1-33:2017) This European Standard was approved by CENELEC on 2017-09-20. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the cond

    4、itions 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 CENELEC member. This European Standard e

    5、xists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the n

    6、ational electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland,

    7、Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Mar

    8、nix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60793-1-33:2017 E National forewordThis British Standard is the UK implementation of EN 60793133:2017. It is identical to IEC 60793133:2017. It supersedes

    9、BS EN 60793133:2002, which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee GEL/86/1, Optical fibres and cables.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all

    10、the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 92484 2ICS 33.180.10; 31.140Compliance with a British Standard cannot confer immunity from legal obligations.This Br

    11、itish Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 60793133:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60793-1-33 November 2017 ICS 33.

    12、180.10 Supersedes EN 60793-1-33:2002 English Version Optical fibres - Part 1-33: Measurement methods and test procedures - Stress corrosion susceptibility (IEC 60793-1-33:2017) Fibres optiques - Partie 1-33: Mthodes de mesure et procdures dessai - Rsistance la corrosion sous contrainte (IEC 60793-1-

    13、33:2017) Lichtwellenleiter - Teil 1-33: Messmethoden und Prfverfahren - Spannungskorrosionsempfindlichkeit (IEC 60793-1-33:2017) This European Standard was approved by CENELEC on 2017-09-20. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions

    14、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 CENELEC member. This European Standard exists i

    15、n three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national

    16、 electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portuga

    17、l, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17,

    18、 B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60793-1-33:2017 E BS EN 60793133:2017EN 60793-1-33:2017 (E) 2 European foreword The text of document 86A/1803/FDIS, future edition 1 of IEC 60793-1-33:2017, prepa

    19、red by IEC/SC 86A “Fibres and cables“, of IEC/TC 86 “Fibre optics“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60793-1-33:2017. The following dates are fixed: latest date by which this document has to be implemented at national level by publication of an identical na

    20、tional standard or by endorsement (dop) 2018-06-20 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2020-09-20 This document supersedes EN 60793-1-33:2002. Attention is drawn to the possibility that some of the elements of this document may be the

    21、 subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60793-1-33:2017 was approved by CENELEC as a European Standard without any modification. BS EN 60793133:2017 2 IEC 60793-1-33:

    22、2017 IEC 2017 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative references 8 3 Terms and definitions 8 4 Overview of test methods 9 5 Reference test methods . 9 6 Apparatus 9 7 Sampling and specimens . 9 7.1 General . 9 7.2 Specimen length . 9 7.3 Specimen preparation and conditioning . 9

    23、 8 Procedure 10 9 Calculations . 10 10 Results 10 11 Specification information . 11 Annex A (normative) Dynamic n value, nd, by axial tension 12 A.1 General . 12 A.2 Apparatus . 12 A.2.1 General . 12 A.2.2 Support of the specimen 13 A.2.3 Stressing application . 14 A.2.4 Fracture force measurement 1

    24、4 A.2.5 Strain rate control 14 A.2.6 Stress rate characterization . 15 A.3 Test sample 15 A.3.1 Sample size . 15 A.3.2 Sample size (optional) . 15 A.4 Procedure . 15 A.5 Calculations 16 A.5.1 Fracture stress 16 A.5.2 Fracture stress at a given strain rate . 16 A.5.3 Dynamic (tension) stress corrosio

    25、n susceptibility parameter, nd17 A.6 Results . 17 Annex B (normative) Dynamic n value, nd, by two-point bending 19 B.1 General . 19 B.2 Apparatus . 19 B.2.1 General . 19 B.2.2 Stepper motor control 19 B.2.3 Stepper motor-driven movable platen 19 B.2.4 Stationary platen . 19 B.2.5 Platen velocity . 1

    26、9 B.2.6 Fibre fracture detecting system 19 B.3 Test sample 20 B.4 Procedure . 20 BS EN 60793133:2017IEC 60793-1-33:2017 IEC 2017 3 B.5 Calculations 21 B.5.1 Fracture stress 21 B.5.2 Dynamic (two-point bending) stress corrosion susceptibility parameter, nd21 B.5.3 Results 22 Annex C (normative) Stati

    27、c n value, ns, by axial tension 24 C.1 General . 24 C.2 Apparatus . 24 C.2.1 General . 24 C.2.2 Gripping the fibre at both ends. 24 C.2.3 Stressing the fibre . 24 C.2.4 Measuring time to fracture . 24 C.3 Test sample 24 C.4 Procedure . 24 C.5 Calculations 25 C.5.1 Fracture stress 25 C.5.2 Static (te

    28、nsion) stress corrosion susceptibility parameter, ns. 25 C.5.3 Simple median . 25 C.6 Results . 25 Annex D (normative) Static n value, ns, by two-point bending 27 D.1 General . 27 D.2 Apparatus . 27 D.2.1 Test equipment 27 D.2.2 Fibre fracture detection 27 D.3 Test sample 27 D.4 Procedure . 27 D.5 C

    29、alculations 27 D.5.1 Fracture stress 27 D.5.2 Static (two-point bending) stress corrosion susceptibility parameter, ns. 28 D.6 Results . 28 Annex E (normative) Static n value, ns, by uniform bending . 29 E.1 General . 29 E.2 Apparatus . 29 E.2.1 General . 29 E.2.2 Support of the sample 29 E.2.3 Stre

    30、ssing the fibre . 29 E.2.4 Measuring time to fracture . 29 E.3 Test sample 29 E.4 Procedure . 29 E.5 Calculations 30 E.5.1 Fracture stress 30 E.5.2 Static (uniform bending) stress corrosion susceptibility parameter, ns30 E.6 Results . 30 Annex F (informative) Considerations for dynamic stress corros

    31、ion susceptibility parameter calculations 31 F.1 Specimen size and sample size 31 F.1.1 Specimen size . 31 F.1.2 Sample size . 31 BS EN 60793133:2017 4 IEC 60793-1-33:2017 IEC 2017 F.2 Numeric algorithm for calculation of dynamic stress corrosion susceptibility parameter, nd. 32 F.3 Complete method

    32、to calculate fracture stress 33 Annex G (informative) Considerations for static stress corrosion susceptibility parameter calculations 35 G.1 Homologous method . 35 G.2 Maximum likelihood estimate 35 Annex H (informative) Considerations on stress corrosion susceptibility parameter test methods 36 H.

    33、1 General . 36 H.2 Crack growth 36 H.3 Types of stress corrosion susceptibility test methods 37 H.4 Comparison of n value obtained with different methods . 37 H.5 Conclusion 38 Bibliography 40 Figure A.1 Schematic of translation test apparatus 12 Figure A.2 Schematic of rotational test apparatus 13

    34、Figure A.3 Schematic of rotational test apparatus with load cell . 13 Figure A.4 Representation of dynamic fatigue graph 18 Figure B.1 Schematic of two-point bending unit 22 Figure B.2 Schematic of possible dynamic fatigue (two-point bending) apparatus . 23 Figure B.3 Schematic of dynamic fatigue da

    35、ta 23 Figure C.1 Schematic of possible static fatigue (tension) apparatus . 26 Figure D.1 Possible test equipment schematic . 28 Figure E.1 Schematic of possible static fatigue (uniform bending) apparatus 30 Figure H.1 COST 218 round robin results of fracture strength versus “effective“ time-to-frac

    36、ture for dynamic and static axial tension, dynamic and static two-point bending and static mandrel test methods . 38 Figure H.2 COST 218 round robin results of fracture strength versus “effective“ time-to-fracture for dynamic and static axial tension, dynamic and static two-point bending and static

    37、mandrel test methods . 39 Table F.1 95 % confidence interval for nd32 BS EN 60793133:2017IEC 60793-1-33:2017 IEC 2017 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRES Part 1-33: Measurement methods and test procedures Stress corrosion susceptibility FOREWORD 1) The International Electrot

    38、echnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To

    39、this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC Nation

    40、al Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO

    41、) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation fr

    42、om all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be h

    43、eld responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any

    44、divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to

    45、IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual

    46、 experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this

    47、IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this

    48、IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 60793-1-33 has been prepared by subcommittee 86A: Fibres and cables, of IEC technical committee 86: Fibre optics. This second edition cance

    49、ls and replaces the first edition published in 2001. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) removal of RTM; b) changes to scope. BS EN 60793133:2017 6 IEC 60793-1-33:2017 IEC 2017 The text of this International Standard is based on the following documents: FDIS Report on voting 86A/1803/FDIS 86A/1824/RVD Full information on the voting for the approval of this


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