EN 61788-19-2014 en Superconductivity - Part 19 Mechanical properties measurement - Room temperature tensile test of reacted Nb3Sn composite superconductors.pdf
《EN 61788-19-2014 en Superconductivity - Part 19 Mechanical properties measurement - Room temperature tensile test of reacted Nb3Sn composite superconductors.pdf》由会员分享,可在线阅读,更多相关《EN 61788-19-2014 en Superconductivity - Part 19 Mechanical properties measurement - Room temperature tensile test of reacted Nb3Sn composite superconductors.pdf(48页珍藏版)》请在麦多课文档分享上搜索。
1、BSI Standards PublicationSuperconductivityPart 19: Mechanical properties measurement Room temperature tensile test of reacted Nb3Sn composite superconductorsBS EN 61788-19:2014National forewordThis British Standard is the UK implementation of EN 61788-19:2014. It isidentical to IEC 61788-19:2013.The
2、 UK participation in its preparation was entrusted to TechnicalCommittee L/-/90, Super Conductivity.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are respo
3、nsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 978 0 580 72866 2ICS 29.050; 77.040.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theS
4、tandards Policy and Strategy Committee on 28 February 2014.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 61788-19:2014EUROPEAN STANDARD EN 61788-19 NORME EUROPENNE EUROPISCHE NORM February 2014 CENELEC European Committee for Electrotechnical Standardization Co
5、mit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B - 1000 Brussels 2014 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61788-19:2014 E
6、 ICS 29.050; 77.040.10 English version Superconductivity - Part 19: Mechanical properties measurement - Room temperature tensile test of reacted Nb3Sn composite superconductors (IEC 61788-19:2013) Supraconductivit - Partie 19: Mesure des proprits mcaniques - Essai de traction temprature ambiante des
7、 supraconducteurs composites de Nb3Sn mis en raction (CEI 61788-19:2013) Supraleitfhigkeit - Teil 19: Messung der mechanischen Eigenschaften - Zugversuch von reagierten Nb3Sn-Verbundsupraleitern bei Raumtemperatur (IEC 61788-19:2013) This European Standard was approved by CENELEC on 2013-12-24. CENE
8、LEC 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 bibliographical references concerning such national standards may be obtained on a
9、pplication to the CEN-CENELEC Management Centre 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 CENELEC member into its own language and notified to the CEN
10、-CENELEC Management Centre 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary
11、, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 61788-19:2014EN 61788-19:2014 - 2 - Foreword The text of document 90/328/FDIS, future edition 1 of
12、 IEC 61788-19, prepared by IEC/TC 90 “Superconductivity“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 61788-19:2014. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standa
13、rd or by endorsement (dop) 2014-09-24 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-12-24 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
14、held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 61788-19:2013 was approved by CENELEC as a European Standard without any modification. BS EN 61788-19:2014- 3 - EN 61788-19:2014 Annex ZA (normative) Normative references to
15、international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edit
16、ion 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. Publication Year Title EN/HD Year IEC 60050 series International Electrotechnical Vocabulary - - ISO 37
17、6 - Metallic materials - Calibration of force-proving instruments used for the verification of uniaxial testing machines EN ISO 376 - ISO 6892-1 - Metallic materials - Tensile testing - Part 1: Method of test at room temperature EN ISO 6892-1 - ISO 7500-1 - Metallic materials - Verification of stati
18、c uniaxial testing machines - Part 1: Tension/compression testing machines - Verification and calibration of the force-measuring system EN ISO 7500-1 - ISO 9513 - Metallic materials - Calibration of extensometer systems used in uniaxial testing EN ISO 9513 - BS EN 61788-19:2014 2 61788-19 IEC:2013 C
19、ONTENTS INTRODUCTION . 7 1 Scope 8 2 Normative references 8 3 Terms and definitions 8 4 Principles 10 5 Apparatus 10 5.1 General 10 5.2 Testing machine. 10 5.3 Extensometer . 10 6 Specimen preparation 10 6.1 General 10 6.2 Length of specimen 10 6.3 Removing insulation . 11 6.4 Determination of cross
20、-sectional area (S0). 11 7 Testing conditions . 11 7.1 Specimen gripping . 11 7.2 Setting of extensometer . 11 7.3 Testing speed 11 7.4 Test . 11 8 Calculation of results . 12 8.1 Modulus of elasticity (E) . 12 8.2 0,2 % proof strength (Rp0,2-0 and Rp0,2-U) 13 9 Uncertainty of measurand 13 10 Test r
21、eport . 13 10.1 Specimen . 13 10.2 Results 14 10.3 Test conditions 14 Annex A (informative) Additional information relating to Clauses 1 to 10 16 A.1 Scope 16 A.2 Extensometer . 16 A.2.1 Double extensometer 16 A.2.2 Single extensometer . 17 A.3 Optical extensometers . 18 A.4 Requirements of high res
22、olution extensometers . 19 A.5 Tensile stress Relasticmaxand strain Aelasticmax20 A.6 Functional fitting of stress-strain curve obtained by single extensometer and 0,2 % proof strength (Rp0,2-F) 21 A.7 Removing insulation . 22 A.8 Cross-sectional area determination 22 A.9 Fixing of the reacted Nb3Sn
23、 wire to the machine by two gripping techniques . 22 A.10 Tensile strength (Rm) 23 A.11 Percentage elongation after fracture (A) 24 A.12 Relative standard uncertainty . 24 A.13 Determination of modulus of elasticity E0. 26 BS EN 61788-19:201461788-19 IEC:2013 3 A.14 Assessment on the reliability of
24、the test equipment 27 A.15 Reference documents 27 Annex B (informative) Uncertainty considerations 28 B.1 Overview 28 B.2 Definitions 28 B.3 Consideration of the uncertainty concept . 28 B.4 Uncertainty evaluation example for TC 90 standards 30 B.5 Reference documents of Annex B . 31 Annex C (inform
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- EN61788192014ENSUPERCONDUCTIVITYPART19MECHANICALPROPERTIESMEASUREMENTROOMTEMPERATURETENSILETESTOFREACTEDNB3SNCOMPOSITESUPERCONDUCTORSPDF
链接地址:http://www.mydoc123.com/p-720574.html