1、 IEC 60793-1-31Edition 2.0 2010-05INTERNATIONAL STANDARD Optical fibres Part 1-31:Measurement methods and test procedures Tensile strength IEC 60793-1-31:2010(E)LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.THIS PUBLICATION IS COPYRI
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9、N LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 60793-1-31Edition 2.0 2010-05INTERNATIONAL STANDARD Optical fibres Part 1-31:Measurement methods and test procedures Tensile strength INTERNATIONAL ELECTROTECHNICAL COMMISSION SICS 33.180.10 PRICE CO
10、DEISBN 978-2-88910-916-6 Registered trademark of the International Electrotechnical Commission LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 60793-1-31 IEC:2010(E)CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7 2 Normative references.
11、7 3 Apparatus.7 3.1 General.7 3.2 Gripping the fibre at both ends.8 3.3 Sample support.8 3.4 Stretching the fibre.8 3.5 Measuring the force at failure.9 3.6 Environmental control equipment.9 4 Sample preparation.9 4.1 Definition.9 4.2 Sample size and gauge length.9 4.3 Auxiliary measurements.10 4.4
12、Environment.11 5 Procedure.11 5.1 Preliminary steps.11 5.2 Procedure for a single specimen.11 5.3 Procedure for completing all samples for a given nominal strain rate.11 6 Calculations.12 6.1 Conversion of tensile load to failure stress.12 6.2 Preparation of a Weibull plot.13 6.3 Computation of Weib
13、ull parameters.13 7 Results.14 7.1 The following information should be reported for each test:.14 7.2 The following information should be provided for each test:.14 8 Specification information.14 Annex A(informative)Typical dynamic testing apparatus.15 Annex B(informative)Guideline on gripping the f
14、ibre.17 Annex C(informative)Guideline on stress rate.21 Bibliography.22 Figure 1 Bimodal tensile strength Weibull plot for a 20 m gauge length test set-up at 5%/min strain rate.10 Figure A.1 Capstan design.15 Figure A.2 Translation test apparatus.15 Figure A.3 Rotating capstan apparatus.16 Figure A.
15、4 Rotating capstan apparatus for long lengths.16 Figure B.1 Gradual slippage.17 Figure B.2 Irregular slippage.17 Figure B.3 Sawtooth slippage.18 Figure B.4 Acceptable transfer function.18 Figure B.5 Typical capstan.19 LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,
16、SUPPLIED BY BOOK SUPPLY BUREAU.60793-1-31 IEC:2010(E)3 Figure B.6 Isostatic compression.19 Figure B.7 Escargot wrap.20 Figure C.1 System to control stress rate.21 Figure C.2 Time variation of load and loading speed.21 LICENSED TO MECON LIMITED-RANCHI/BANGALORE,FOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.4 60793-1-31 IEC:2010(E)INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRES Part 1-31:Measurement methods and test procedures Tensile strength FOREWORD 1)The Inte
