EN 61788-6-2011 en Superconductivity - Part 6 Mechanical properties measurement - Room temperature tensile test of Cu Nb-Ti composite superconductors《超导体 第6部分 机械性能测量 Cu Nb-Ti复合超导体的.pdf
《EN 61788-6-2011 en Superconductivity - Part 6 Mechanical properties measurement - Room temperature tensile test of Cu Nb-Ti composite superconductors《超导体 第6部分 机械性能测量 Cu Nb-Ti复合超导体的.pdf》由会员分享,可在线阅读,更多相关《EN 61788-6-2011 en Superconductivity - Part 6 Mechanical properties measurement - Room temperature tensile test of Cu Nb-Ti composite superconductors《超导体 第6部分 机械性能测量 Cu Nb-Ti复合超导体的.pdf(36页珍藏版)》请在麦多课文档分享上搜索。
1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationSuperconductivityPart 6: Mechanical properties measurement Room temperature tensile test of Cu/Nb-Ti composite superconductorsBS EN 61788-6:2011National forewordThis British Stan
2、dard is the UK implementation of EN 61788-6:2011. It is identical to IEC 61788-6:2011. It supersedes BS EN 61788-6:2008,which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee L/-/90 Super Conductivity.A list of organizations represented on this committee can
3、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. BSI 2011ISBN 978 0 580 65698 9 ICS 29.050; 77.040.10 Compliance with a British Standard cannot confer immunity from lega
4、l obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2011.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 61788-6:2011EUROPEAN STANDARD EN 61788-6 NORME EUROPENNE EUROPISCHE NORM Augus
5、t 2011 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserv
6、ed worldwide for CENELEC members. Ref. No. EN 61788-6:2011 E ICS 29.050; 77.040.10 Supersedes EN 61788-6:2008English version Superconductivity - Part 6: Mechanical properties measurement - Room temperature tensile test of Cu/Nb-Ti composite superconductors (IEC 61788-6:2011) Supraconductivit - Parti
7、e 6: Mesure des proprits mcaniques - Essai de traction temprature ambiante des supraconducteurs composites de Cu/Nb-Ti (CEI 61788-6:2011) Supraleitfhigkeit - Teil 6: Messung der mechanischen Eigenschaften - Messung der Zugfestigkeit von Cu/Nb-Ti-Verbundsupraleitern bei Raumtemperatur(IEC 61788-6:201
8、1) This European Standard was approved by CENELEC on 2011-08-15. CENELEC members are bound to comply with the CEN/CENELEC 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 bibliographic
9、al references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC 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 C
10、ENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greec
11、e, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 61788-6:2011EN 61788-6:2011 Foreword The text of document 90/267/FDIS, future edition 3 of IEC 6
12、1788-6, prepared by IEC TC 90, Superconductivity was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61788-6:2011. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by
13、endorsement (dop) 2012-05-15 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2014-08-15 This document supersedes EN 61788-6:2008. EN 61788-6:2011 includes the following significant technical changes with respect to EN 61788-6:2008: specific exampl
14、e of uncertainty estimation related to mechanical tests was supplemented as Annex C. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. E
15、ndorsement notice The text of the International Standard IEC 61788-6:2011 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 61788-5 NOTE Harmonized as EN 61788-5. I
16、SO 3611:2010 NOTE Harmonized as EN ISO 3611:2010 (not modified). BS EN 61788-6:2011EN 61788-6:2011 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following referenced documents are indispensable for the application of this d
17、ocument. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. P
18、ublication Year Title EN/HD Year IEC 60050-815 - International Electrotechnical Vocabulary - Part 815: Superconductivity - - ISO 376 - Metallic materials - Calibration of force-proving instruments used for the verification of uniaxial testing machines EN ISO 376 - ISO 6892-1 - Metallic materials - T
19、ensile testing - Part 1: Method of test at room temperature EN ISO 6892-1 - ISO 7500-1 - Metallic materials - Verification of static uniaxial testing machines - Part 1: Tension/compression testing machines - Verification and calibration of the force-measuring system EN ISO 7500-1 - ISO 9513 - Metall
20、ic materials - Calibration of extensometers used in uniaxial testing EN ISO 9513 - BS EN 61788-6:201161788-6 IEC:2011 CONTENTS INTRODUCTION . 6 1 Scope . . 7 2 Normative references . 7 3 Terms and definitions . 7 4 Principle 8 5 Apparatus . 8 5.1 Conformity . . 8 5.2 Testing machine 8 5.3 Extensomet
21、er . 9 6 Specimen preparation. 9 6.1 Straightening the specimen . 9 6.2 Length of specimen . 9 6.3 Removing insulation . 9 6.4 Determination of cross-sectional area (So) . 9 7 Testing conditions . 9 7.1 Specimen gripping . 9 7.2 Pre-loading and setting of extensometer . . 9 7.3 Testing speed. 9 7.4
22、Test . 10 8 Calculation of results . . 12 8.1 Tensile strength (Rm) . 12 8.2 0,2 % proof strength (Rp0,2A and Rp0,2B) . 12 8.3 Modulus of elasticity (Eoand Ea) 12 9 Uncertainty . 12 10 Test report 13 10.1 Specimen . 13 10.2 Results 13 10.3 Test conditions 13 Annex A (informative) Additional informat
23、ion relating to Clauses 1 to 10 . 14 Annex B (informative) Uncertainty considerations . 19 Annex C (informative) Specific examples related to mechanical tests . 23 Bibliography . 32 Figure 1 Stress-strain curve and definition of modulus of elasticity and 0,2 % proof strengths . 11 Figure A.1 An exam
24、ple of the light extensometer, where R1 and R3 indicate the corner radius . . 15 Figure A.2 An example of the extensometer provided with balance weight and vertical specimen axis 16 Figure C.1 Measured stress versus strain curve of the rectangular cross section NbTi wire and the initial part of the
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