ISO-TR-13883-1995.pdf
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1、TECHNICAL REPORT IS0 TR 13883 First edition 1995-07-I 5 Plastics - Guide to the writing of test methods Plastiques - Guide pour la rbdaction des mbthodes d essai Reference number ISO/TR 13883:1995(E) Copyright International Organization for Standardization Provided by IHS under license with ISO Lice
2、nsee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 22:04:40 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/TR 13883: 1995(E) Foreword IS0 (the International Organization for Standardization) is a worldwide federation of national standards bodies (IS0
3、 member bodies). The work of preparing International Standards is normally carried out through IS0 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to he represented on that committee. International organizations, gover
4、nmental and non-governmental, in liaison with ISO, also take part in the work. IS0 collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. The main task of technical committees is to prepare International Standards. In excepti
5、onal circumstances a technical committee may propose the publication of a Technical Report of one of the following types: - type 1, when the required support cannot be obtained for the publication of an International Standard, despite repeated efforts; - type 2, when the subject is still under techn
6、ical development or where for any other reason there is the future but not immediate possibility of an agreement on an International Standard; - type 3, when a technical committee has collected data of a different kind from that which is normally published as an International Standard (“state of the
7、 art”, for example). Technical Reports of types 1 and 2 are subject to review within three years of publication, to decide whether they can be transformed into International Standards. Technical Reports of type 3 do not neceSSafi ly have to be reviewed until the data they provide are considered to b
8、e no longer valid or useful. ISOKR 13883, which is a Technical Report of type 3, was prepared by Technical Committee ISO/Tc 61, Plastics, Subcommittee SC 13, Composites and reinforcement $bres. Q IS0 1995 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced
9、or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case postale 56 l CH- 1211 Genkve 20 l Switzerland Printed in Switzerland ii Copyright Internation
10、al Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 22:04:40 MDTNo reproduction or networking permitted without license from IHS -,-,- Q IS0 ISO/TR 13883:1995(E) Introduction The title of this Technical
11、Report could lead one to assume that test methods issued by different organizations are not always ideal, and that they lead to results which are doubtful or not easily comparable between laboratories. If this observation may be considered somewhat pessimistic, it appears that many test methods incl
12、ude ambiguities or technical inaccuracies or propose unjustified variants for either the sampling or for one or several of the steps in the procedure or in the expression of the test result. When such situation is observed, the operator or the supervisor must make choices. Providing the choice is co
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