ISO-22088-6-2006.pdf
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1、 Reference number ISO 22088-6:2006(E) ISO 2006 INTERNATIONAL STANDARD ISO 22088-6 First edition 2006-08-01 Plastics Determination of resistance to environmental stress cracking (ESC) Part 6: Slow strain rate method Plastiques Dtermination de la fissuration sous contrainte dans un environnement donn
2、(ESC) Partie 6: Mthode vitesse de dformation lente Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 10:44:58 MDTNo reproduction or networking permitted without license from IHS -,
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6、ress given below. ISO 2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO
7、s member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2006 All rights reserved Copyright International Organization for Standardization
8、 Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 10:44:58 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 22088-6:2006(E) ISO 2006 All rights reserved iii Contents Page Foreword iv 1 Scope . 1 2 Normative
9、references. 1 3 Terms and definitions. 1 4 Principle. 3 5 Apparatus 4 6 Conditioning and test conditions 5 6.1 Conditioning 5 6.2 Test temperature. 5 6.3 Test medium 5 7 Test specimens. 5 8 Procedure 5 9 Expression of results . 6 10 Test report . 7 Annex A (normative) Strain calculation from crosshe
10、ad displacement. 8 Bibliography. 9 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 10:44:58 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 22088-6:
11、2006(E) iv ISO 2006 All rights reserved Foreword ISO (the 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 bo
12、dy interested in a subject for which a technical committee 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 Electrot
13、echnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted b
14、y the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent ri
15、ghts. ISO shall not be held responsible for identifying any or all such patent rights. ISO 22088-6 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 6, Ageing, chemical and environmental resistance. ISO 22088 consists of the following parts, under the general title Plastics De
16、termination of resistance to environmental stress cracking (ESC): Part 1: General guidance Part 2: Constant tensile load method (replacement of ISO 6252:1992) Part 3: Bent strip method (replacement of ISO 4599:1986) Part 4: Ball or pin impression method (replacement of ISO 4600:1992) Part 5: Constan
17、t tensile deformation method (new test method) Part 6: Slow strain rate method (new test method) Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 10:44:58 MDTNo reproduction or ne
18、tworking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 22088-6:2006(E) ISO 2006 All rights reserved 1 Plastics Determination of resistance to environmental stress cracking (ESC) Part 6: Slow strain rate method 1 Scope This part of ISO 22088 describes a procedure for assessing t
19、he environmental stress cracking (ESC) susceptibility of polymeric materials in chemical environments by slowly increasing the strain applied to a tensile specimen at a constant rate. It is applicable to test specimens prepared by moulding and/or machining and can be used to assess the relative ESC
20、susceptibility of a material exposed to different environments or the relative ESC susceptibility of different plastics exposed to a specific environment. This is essentially a ranking test and is not intended for the provision of design data. The principle advantage of the test compared with the te
21、st methods described in Parts 2 to 5 of ISO 22088 is the rapidity with which the ESC susceptibility of a particular polymer/environment combination can be assessed. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references,
22、 only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 527-2, Plastics Determination of tensile properties Part 2: Test conditions for moulding and extrusion plastics ISO 22088-1, Plastics Determination of resist
23、ance to environmental stress cracking (ESC) Part 1: General guidance 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 22088-1 and the following apply. 3.1 crosshead displacement CHD distance the crosshead has moved from the start of the test 3.2 cross
24、head speed CHS distance travelled by the crosshead, CHD, divided by the time from the start of the test Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/21/2007 10:44:58 MDTNo reproductio
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