BS-EN-ISO-6721-2-2008.pdf
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1、BS EN ISO 6721-2:2008 ICS 83.080.01 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Plastics Determination of dynamic mechanical properties Part 2: Torsion-pendulum method (ISO 6721-2:2008) Copyright British Standards Institution Provided by IHS under license
2、with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:42:21 MDTNo reproduction or networking permitted without license from IHS -,-,- This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2008 BSI 2008 ISB
3、N 978 0 580 62798 9 Amendments/corrigenda issued since publication DateComments BS EN ISO 6721-2:2008 National foreword This British Standard is the UK implementation of EN ISO 6721-2:2008. It supersedes BS EN ISO 6721-2:1996 which is withdrawn. The UK participation in its preparation was entrusted
4、to Technical Committee PRI/21, Testing of plastics. 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 provisions of a contract. Users are responsible for its correct application. Complianc
5、e with a British Standard cannot confer immunity from legal obligations. Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:42:21 MDTNo reproduction or networking permitted without license fro
6、m IHS -,-,- EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 6721-2 June 2008 ICS 83.080.01Supersedes EN ISO 6721-2:1996 English Version Plastics - Determination of dynamic mechanical properties - Part 2: Torsion-pendulum method (ISO 6721-2:2008) Plastiques - Dtermination des proprits mcaniq
7、ues dynamiques - Partie 2: Mthode au pendule de torsion (ISO 6721-2:2008) Kunststoffe - Bestimmung dynamisch mechanischer Eigenschaften - Teil 2: Torsionspendel-Verfahren (ISO 6721-2:2008) This European Standard was approved by CEN on 18 May 2008. CEN members are bound to comply with the CEN/CENELEC
8、 Internal Regulations which stipulate the conditions 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 Management Centre or to any CE
9、N member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN
10、 members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Swe
11、den, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members
12、. Ref. No. EN ISO 6721-2:2008: E Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:42:21 MDTNo reproduction or networking permitted without license from IHS -,-,- BS EN ISO 6721-2:2008 EN ISO
13、 6721-2:2008 (E) 3 Foreword This document (EN ISO 6721-2:2008) has been prepared by Technical Committee ISO/TC 61 “Plastics” in collaboration with Technical Committee CEN/TC 249 “Plastics” the secretariat of which is held by NBN. This European Standard shall be given the status of a national standar
14、d, either by publication of an identical text or by endorsement, at the latest by December 2008, and conflicting national standards shall be withdrawn at the latest by December 2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.
15、 CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 6721-2:1996. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standa
16、rd: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. E
17、ndorsement notice The text of ISO 6721-2:2008 has been approved by CEN as a EN ISO 6721-2:2008 without any modification. Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:42:21 MDTNo reproduc
18、tion or networking permitted without license from IHS -,-,- BS EN ISO 6721-2:2008 ISO 6721-2:2008(E) ISO 2008 All rights reserved iii Contents Page Foreword iv 1 Scope . 1 2 Normative references. 1 3 Terms and definitions. 1 4 Principle. 1 5 Test apparatus 3 6 Test specimens. 4 7 Number of specimens
19、 5 8 Conditioning 5 9 Procedure 5 10 Expression of results . 6 11 Precision 9 12 Test report . 9 Annex A (normative) Influence of longitudinal force, W 10 Annex B (informative) Damping correction factor, Fd 11 Annex C (informative) Dimensional correction factor, Fc 12 Bibliography. 14 Copyright Brit
20、ish Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:42:21 MDTNo reproduction or networking permitted without license from IHS -,-,- BS EN ISO 6721-2:2008 ISO 6721-2:2008(E) iv ISO 2008 All rights reserved Fo
21、reword 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 body interested in a subject for which a tec
22、hnical 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 Electrotechnical Commission (IEC) on all matters o
23、f 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 by the technical committees are circulated
24、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 rights. ISO shall not be held responsible fo
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- BS EN ISO 6721 2008
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