1、BSI Standards PublicationBS ISO 6133:2015Rubber and plastics Analysis of multi-peak traces obtained in determinations of tear strength and adhesion strengthBS ISO 6133:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 6133:2015. It supersedes BS ISO 6133:199
2、8 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee PRI/22, Physical testing of rubber.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provis
3、ions of a contract. Users are responsible for its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015ISBN 978 0 580 85585 6 ICS 83.060; 83.080.01 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard wa
4、s published under the authority of the Standards Policy and Strategy Committee on 31 August 2015.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS ISO 6133:2015 ISO 2015Rubber and plastics Analysis of multi-peak traces obtained in determinations of tear strength and adhesi
5、on strengthCaoutchouc et plastiques Analyse des tracs multi-pics obtenus lors des dterminations de la rsistance au dchirement et de la force dadhrenceINTERNATIONAL STANDARDISO6133Third edition2015-08-15Reference numberISO 6133:2015(E)BS ISO 6133:2015ISO 6133:2015(E)ii ISO 2015 All rights reservedCOP
6、YRIGHT PROTECTED DOCUMENT ISO 2015, Published in SwitzerlandAll rights reserved. Unless otherwise specified, 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, w
7、ithout prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.org
8、BS ISO 6133:2015ISO 6133:2015(E)Foreword iv1 Scope . 12 Terms and definitions . 13 Procedure. 13.1 General . 13.2 Method A 23.3 Method B 23.4 Method C 33.5 Method D 33.6 Method E 44 Trace-analysis report . 5 ISO 2015 All rights reserved iiiContents PageBS ISO 6133:2015ISO 6133:2015(E)ForewordISO (th
9、e 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 committ
10、ee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechn
11、ical 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 i
12、n 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.
13、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).Any trade name used in this document is information given for the convenience of users and does not constitute a
14、n endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information.The committee
15、 responsible for this document is ISO/TC 45, Rubber and rubber products, Subcommittee SC 2, Testing and analysis.This third edition cancels and replaces the second edition (ISO 6133:1998), which has been technically revised to define the force difference for recognizing a peak.iv ISO 2015 All rights
16、 reservedBS ISO 6133:2015INTERNATIONAL STANDARD ISO 6133:2015(E)Rubber and plastics Analysis of multi-peak traces obtained in determinations of tear strength and adhesion strength1 ScopeThis International Standard specifies five methods of calculating, after testing, the tear strength and the adhesi
17、on strength of vulcanized rubber or fabrics coated with or adhered to rubber or plastics. The results are calculated by determining the median and range of peak values from a graphical plot of force versus time recorded during the test.A trace for an adhesion strength test or tear strength test can
18、show few or many force peaks, depending on the material under investigation. The choice of the method of calculation depends on the number of peaks in the trace.The purpose of this International Standard is to obtain more uniformity in the evaluation and presentation of test results. It is applicabl
19、e only, however, when specified in another International Standard, i.e. a method of test or a specification.For other details, such as apparatus, test piece preparation, conditioning, procedure, etc., requirements given in the relevant International Standard shall apply.NOTE In certain cases, the me
20、thods of analysis given might not be adequate, for example, for peak values showing a trend with time. In cases where the minimum force values are of interest, it is possible to use the same methods of calculation as when determining from a range of peak values.2 Terms and definitionsFor the purpose
21、s of this document, the following terms and definitions apply.2.1peakpoint at which the slope of a trace changes from positive to negativeNote 1 to entry: For example, a peak occurs when there is an instantaneous maximum force.2.2rangedifference between the greatest and the smallest observed values
22、of observed force peaks2.3complete tracesection of the graphical plot of force versus time between the time at which the first peak occurs and the time at which the test is terminated3 Procedure3.1 GeneralFrom the force peak values of the trace for adhesion strength or tear strength, determine the m
23、edian peak force and the range of peak force values by the appropriate method specified in 3.2, 3.3, or 3.4. A ISO 2015 All rights reserved 1BS ISO 6133:2015ISO 6133:2015(E)peak is taken as valid only if the force difference between the maximum and the following minimum is larger than 2 % of the max
24、imal force.NOTE In applying the methods described in this International Standard, it is assumed that the trace being evaluated is a time record of the variation of force during the period of test.When analysing the trace with a computer, filter the signal to avoid too many small peaks. This can be d
25、one by allowing the measured force to drop a certain percentage and allowing a certain time to pass before a new peak is registered. It might be necessary to adjust these factors when testing different materials in order to obtain about the same number of peaks as can be seen on a chart recorder.3.2
26、 Method AFor traces having less than five peaks.Determine the median, the range, the minimum and the maximum of the force peak values in the trace.If there is only one force peak, consider its value to be the median.3.3 Method BFor traces having five to 20 peaks (see Figure 1) or where peak values a
27、re automatically computed.Y1210 %80 %10 %XKeyX timeY force1 median2 rangeFigure 1 Analysis of a trace with five to 20 peaks2 ISO 2015 All rights reservedBS ISO 6133:2015ISO 6133:2015(E)Consider only the peak values of the central 80 % of the complete trace and determine the median peak force, the ra
28、nge, the minimum and the maximum of these values.NOTE Although it is possible to use this method for traces having more than 20 peaks, it is not recommended for manual calculations.3.4 Method CFor traces having more than 20 peaks which are clearly defined and can be readily measured (see Figure 2) a
29、nd which are not automatically computed.YX1233KeyX timeY force1 median2 range3 t/2Figure 2 Analysis of a trace with more than 20 clearly defined peaksDraw a series of nine vertical lines by starting at the centre of the complete trace and drawing four more lines on each side at equal distances of on
30、e-tenth of the length of the trace, to the nearest 1 mm. Consider only the peak value situated closest to each of the vertical lines. Determine the median peak force and the range, the minimum and the maximum of these nine values.3.5 Method DFor undulating traces (see Figure 3). ISO 2015 All rights
31、reserved 3BS ISO 6133:2015ISO 6133:2015(E)YX123KeyX timeY force1 mean2 maximum3 minimumFigure 3 Analysis of an undulating trace (range or median of no significance)Where the peaks are not clearly defined but form an undulating curve, report only the arithmetic mean value. Report this arithmetic mean
32、 value as the midpoint between the maximum and the minimum deflections of the trace, ignoring the initial rise at the start of the test.3.6 Method EFor traces too close for counting (see Figure 4).4 ISO 2015 All rights reservedBS ISO 6133:2015ISO 6133:2015(E)YX213KeyX timeY force1 mean (midpoint)2 h
33、ighest peak3 lowest peakFigure 4 Analysis of a trace with a large number of peaks (too close for counting)Where there are a large number of peaks which are clearly defined, but which are so close as to render their counting difficult, report only the arithmetic mean value. Report this arithmetic mea
34、n value as the midpoint between the highest and lowest peak, ignoring the initial rise at the start of the test.4 Trace-analysis reportThe trace-analysis report shall include the following information:a) reference to this International Standard, i.e. ISO 6133;b) reference to the test for which the c
35、alculation was made;c) method of calculation used (A, B, C, D, or E);d) median peak force or, for methods D and E, the mean value;e) range of peak values;f) date of the calculation. ISO 2015 All rights reserved 5BS ISO 6133:2015ISO 6133:2015(E) ISO 2015 All rights reservedICS 83.060; 83.080.01Price
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