BS-ISO-6721-9-1997-A1-2007 ISO-6721-9-1997.pdf
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1、BRITISH STANDARD BS ISO 6721-9:1997 +A1:2007 Plastics Determination of dynamic mechanical properties Part 9: Tensile vibration Sonic-pulse propagation method ICS 83.080.01 ? Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/59107700
2、01 Not for Resale, 10/17/2008 23:16:16 MDTNo reproduction or networking permitted without license from IHS -,-,- BS ISO 6721-9:1997+A1:2007 This British Standard was published under the authority of the Standards Board and comes into effect on 15 August 1997 BSI 2008 ISBN 978 0 580 61534 4 National
3、foreword This British Standard is the UK implementation of ISO 6721-9:1997+A1:2007. It supersedes BS 2782-3:Method 323F:1997 (ISO 6721-9:1997), which is withdrawn. The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to ISO text ca
4、rry the number of the ISO amendment. For example, text altered by ISO amendment 1 is indicated by !“. The UK participation in its preparation was entrusted to Technical Committee PRI/21, Testing of plastics. A list of organizations represented on this committee can be obtained on request to its secr
5、etary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication DateComments 30 April 20
6、08Implementation of ISO amendment 1:2007 and renumbering of BS 2782-3:Method 323F:1997 as BS ISO 6721-9:1997+A1:2007 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 10/17/2008 23:16:16 MDTNo reproduction
7、 or networking permitted without license from IHS -,-,- Reference number INTERNATIONAL STANDARD ISO 6721-9 First edition 1997-06-01 Plastics Determination of dynamic mechanical properties Part 9: Tensile vibration Sonic-pulse propagation method Plastiques Dtermination des proprits mcaniques dynamiqu
8、es Partie 9: Vibration en traction Mthode de propagation de signaux acoustiques BS ISO 6721-9:1997+A1:2007 ISO 6721-9:1997(E) Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 10/17/2008 23:16:16 MDTNo rep
9、roduction or networking permitted without license from IHS -,-,- ii Contents Page Forewordiii 1Scope1 2Normative references1 3Definitions1 4Principle1 5Test device1 6Test specimens2 7Number of specimens2 8Conditioning2 9Procedure2 10Expression of the results2 11Precision3 12Test report3 Figure 1 Sch
10、ematic diagram of suitable apparatus for measuring pulse velocity between a transmitting and a receiving transducer3 Figure 2 Linear regression of distance and arrival time4 Descriptors: Plastics, rigid plastics, tests, mechanical tests, determination, mechanical properties, dynamic properties, tens
11、ile modulus, test equipment. BS ISO 6721-9:1997+A1:2007 Annex A (informative) Precision 5 at 10 kHz 5 Table A.1 Repeatability data for tensile storage modulus E measured BSI 2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/591
12、0770001 Not for Resale, 10/17/2008 23:16:16 MDTNo reproduction or networking permitted without license from IHS -,-,- iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International
13、Standards is normally carried out through ISO technical committees. Each member body 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, al
14、so take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Internat
15、ional Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 6721-9 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 2, Mechanical properties. ISO 6721 consists of the following parts, under the general title Plastics Deter
16、mination of dynamic mechanical properties: Part 1: General principles; Part 2: Torsion-pendulum method; Part 3: Flexural vibration Resonance-curve method; Part 4: Tensile vibration Non-resonance method; Part 5: Flexural vibration Non-resonance method; Part 6: Shear vibration Non-resonance method; Pa
17、rt 7: Torsional vibration Non-resonance method; Part 8: Longitudinal and shear vibration Wave-propagation method; Part 9: Tensile vibration Sonic-pulse propagation method; Part 10: Complex shear viscosity using a parallel-plate oscillatory rheometer. ISO (the International Organization for Standardi
18、zation) 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 committee has been established has the right to b
19、e 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 electrotechnical standardization. International Standa
20、rds 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 to the member bodies for voting. Publication as an Inter
21、national 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 for identifying any or all such patent rights. Amendment 1
22、 to ISO 6721-9:1997 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 2, Mechanical properties. BS ISO 6721-9:1997+A1:2007 Foreword to amendment 1 BSI 2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/591
23、0770001 Not for Resale, 10/17/2008 23:16:16 MDTNo reproduction or networking permitted without license from IHS -,-,- iv BSI 2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 10/17/2008 23:16:16 MDTNo
24、 reproduction or networking permitted without license from IHS -,-,- 1 1 Scope This part of ISO 6721 describes a pulse propagation method for determining the storage component of the complex tensile modulus E* of polymers at discrete frequencies typically in the range 3 kHz to 10 kHz. The method is
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