IEC TR 61807-1999 Magnetic properties of magnetically hard materials at elevated temperatures - Methods of measurement《升高温下硬磁材料的磁性能 测量方法》.pdf

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1、RAPPORT TECHNIQUE CEI IEC TECHNICAL REPORT TR 61807 Premire dition First edition 1999-10 Proprits magntiques des matriaux magntiquement durs des tempratures leves Mthodes de mesure Magnetic properties of magnetically hard materials at elevated temperatures Methods of measurement Numro de rfrence Ref

2、erence number IEC/TR 61807:1999Numros des publications Depuis le 1er janvier 1997, les publications de la CEI sont numrotes partir de 60000. Publications consolides Les versions consolides de certaines publications de la CEI incorporant les amendements sont disponibles. Par exemple, les numros dditi

3、on 1.0, 1.1 et 1.2 indiquent respectivement la publication de base, la publication de base incorporant lamendement 1, et la publication de base incorporant les amendements 1 et 2. Validit de la prsente publication Le contenu technique des publications de la CEI est constamment revu par la CEI afin q

4、uil reflte ltat actuel de la technique. Des renseignements relatifs la date de reconfir- mation de la publication sont disponibles dans le Catalogue de la CEI. Les renseignements relatifs des questions ltude et des travaux en cours entrepris par le comit technique qui a tabli cette publication, ains

5、i que la liste des publications tablies, se trouvent dans les documents ci- dessous: Site web de la CEI* Catalogue des publications de la CEI Publi annuellement et mis jour rgulirement (Catalogue en ligne)* Bulletin de la CEI Disponible la fois au site web de la CEI* et comme priodique imprim Termin

6、ologie, symboles graphiques et littraux En ce qui concerne la terminologie gnrale, le lecteur se reportera la CEI 60050: Vocabulaire Electro- technique International (VEI). Pour les symboles graphiques, les symboles littraux et les signes dusage gnral approuvs par la CEI, le lecteur consultera la CE

7、I 60027: Symboles littraux utiliser en lectrotechnique, la CEI 60417: Symboles graphiques utilisables sur le matriel. Index, relev et compilation des feuilles individuelles, et la CEI 60617: Symboles graphiques pour schmas. * Voir adresse site web sur la page de titre. Numbering As from 1 January 19

8、97 all IEC publications are issued with a designation in the 60000 series. Consolidated publications Consolidated versions of some IEC publications including amendments are available. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication inc

9、or- porating amendment 1 and the base publication incorporating amendments 1 and 2. Validity of this publication The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to the date of the rec

10、onfirmation of the publication is available in the IEC catalogue. Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is to be found at the following IEC sources: I

11、EC web site* Catalogue of IEC publications Published yearly with regular updates (On-line catalogue)* IEC Bulletin Available both at the IEC web site* and as a printed periodical Terminology, graphical and letter symbols For general terminology, readers are referred to IEC 60050: International Elect

12、rotechnical Vocabulary (IEV). For graphical symbols, and letter symbols and signs approved by the IEC for general use, readers are referred to publications IEC 60027: Letter symbols to be used in electrical technology, IEC 60417: Graphical symbols for use on equipment. Index, survey and compilation

13、of the single sheets and IEC 60617: Graphical symbols for diagrams. * See web site address on title page.RAPPORT TECHNIQUE CEI IEC TECHNICAL REPORT TR 61807 Premire dition First edition 1999-10 Proprits magntiques des matriaux magntiquement durs des tempratures leves Mthodes de mesure Magnetic prope

14、rties of magnetically hard materials at elevated temperatures Methods of measurementCommission Electrotechnique InternationaleInternational Electrotechnical Commission Pour prix, voir catalogue en vigueur For price, see current catalogue IEC 1999 Droits de reproduction rservs Copyright - all rights

15、reserved Aucune partie de cette publication ne peut tre reproduite ni utilise sous quelque forme que ce soit et par aucun procd, lectronique ou mcanique, y compris la photocopie et les microfilms, sans laccord crit de lditeur. No part of this publication may be reproduced or utilized in any form or

16、by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Electrotechnical Commission 3, rue de Varemb Geneva, Switzerland Telefax: +41 22 919 0300 e-mail: inmailiec.ch IEC web site http:/www.iec.ch CODE PRIX PRICE C

17、ODE M 2 TR 61807 CEI:1999 SOMMAIRE Pages AVANT-PROPOS . 4 Articles 1 Domaine dapplication 8 2 Documents de rfrence 8 3 Dfinitions 10 4 Symboles.10 5 Revue des matriaux aimants permanents existants 10 6 Matriel de mesure 10 7 Exploitation des mesures . 14 8 Rapport dessai 16 Annexe A Rsultats dune in

18、tercomparaison des mesures effectues sur un matriau magntiquement dur (aimant permanent) pour des tempratures leves. . 18 A.1 Introduction.18 A.2 Eprouvettes. 18 A.3 Mthode de mesure. 18 A.4 Rsultats. 18 A.5 Conclusions 20 Annexe B Exemples de calculs. 24 B.1 Aimant fritt NdFeB magntiquement anisotr

19、ope. 24 B.2 Aimant fritt en ferrite de Sr magntiquement anisotrope 24TR 61807 IEC:1999 3 CONTENTS Page FOREWORD 5 Clause 1 Scope 9 2 Reference documents 9 3 Definitions 11 4 Symbols. 11 5 Review of existing permanent magnet materials. 11 6 Measuring equipment. 11 7 Evaluation of measured data 15 8 T

20、est report. 17 Annex A Results of an inter-comparison of measurements on magnetically hard (permanent magnet) material at elevated temperatures 19 A.1 Introduction.19 A.2 Test specimens. 19 A.3 Method of measurement 19 A.4 Results 19 A.5 Conclusions 21 Annex B Example calculations . 25 B.1 Magnetica

21、lly anisotropic sintered NdFeB magnet 25 B.2 Magnetically anisotropic sintered Sr-ferrite magnet . 25 4 TR 61807 CEI:1999 COMMISSION LECTROTECHNIQUE INTERNATIONALE PROPRITS MAGNTIQUES DES MATRIAUX MAGNTIQUEMENT DURS DES TEMPRATURES LEVES MTHODES DE MESURE AVANT-PROPOS 1) La CEI (Commission lectrotec

22、hnique Internationale) est une organisation mondiale de normalisation compose de lensemble des comits lectrotechniques nationaux (Comits nationaux de la CEI). La CEI a pour objet de favoriser la coopration internationale pour toutes les questions de normalisation dans les domaines de llectricit et d

23、e llectronique. A cet effet, la CEI, entre autres activits, publie des Normes internationales. Leur laboration est confie des comits dtudes, aux travaux desquels tout Comit national intress par le sujet trait peut participer. Les organisations internationales, gouvernementales et non gouvernementale

24、s, en liaison avec la CEI, participent galement aux travaux. La CEI collabore troitement avec lOrganisation Internationale de Normalisation (ISO), selon des conditions fixes par accord entre les deux organisations. 2) Les dcisions ou accords officiels de la CEI concernant les questions techniques re

25、prsentent, dans la mesure du possible, un accord international sur les sujets tudis, tant donn que les Comits nationaux intresss sont reprsents dans chaque comit dtudes. 3) Les documents produits se prsentent sous la forme de recommandations internationales. Ils sont publis comme normes, spcificatio

26、ns techniques, rapports techniques ou guides et agrs comme tels par les Comits nationaux. 4) Dans le but dencourager lunification internationale, les Comits nationaux de la CEI sengagent appliquer de faon transparente, dans toute la mesure possible, les Normes internationales de la CEI dans leurs no

27、rmes nationales et rgionales. Toute divergence entre la norme de la CEI et la norme nationale ou rgionale correspondante doit tre indique en termes clairs dans cette dernire. 5) La CEI na fix aucune procdure concernant le marquage comme indication dapprobation et sa responsabilit nest pas engage qua

28、nd un matriel est dclar conforme lune de ses normes. 6) Lattention est attire sur le fait que certains des lments du prsent rapport technique peuvent faire lobjet de droits de proprit intellectuelle ou de droits analogues. La CEI ne saurait tre tenue pour responsable de ne pas avoir identifi de tels

29、 droits de proprit et de ne pas avoir signal leur existence. La tche principale des comits dtudes de la CEI est llaboration des Normes internationales. Toutefois, un comit dtudes peut proposer la publication dun rapport technique lorsquil a runi des donnes de nature diffrente de celles qui sont norm

30、alement publies comme Normes internationales, cela pouvant comprendre, par exemple, des informations sur ltat de la technique. Un rapport technique ne doit pas ncessairement tre rvis avant que les donnes quil contient ne soient plus juges valables ou utiles par le groupe de maintenance. La CEI 61807

31、, qui est un rapport technique, a t tablie par le comit dtudes 68: Matriaux magntiques tels qualliages et aciers. Le texte de ce rapport technique est issu des documents suivants: Projet denqute Rapport de vote 68/190/CDV 68/201/RVC Le rapport de vote indiqu dans le tableau ci-dessus donne toute inf

32、ormation sur le vote ayant abouti lapprobation de ce rapport technique. Cette publication a t rdige selon les Directives ISO/CEI, Partie 3.TR 61807 IEC:1999 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION MAGNETIC PROPERTIES OF MAGNETICALLY HARD MATERIALS AT ELEVATED TEMPERATURES METHODS OF MEASUREMENT

33、FOREWORD 1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of the IEC is to promote international co-operation on all questions concerning standardization in

34、 the electrical and electronic fields. To this end and in addition to other activities, the IEC publishes International Standards. Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. Interna

35、tional, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. The IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The f

36、ormal decisions or agreements of the IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested National Committees. 3) The documents produced have the form of recommend

37、ations for international use and are published in the form of standards, technical specifications, technical reports or guides and they are accepted by the National Committees in that sense. 4) In order to promote international unification, IEC National Committees undertake to apply IEC Internationa

38、l Standards transparently to the maximum extent possible in their national and regional standards. Any divergence between the IEC Standard and the corresponding national or regional standard shall be clearly indicated in the latter. 5) The IEC provides no marking procedure to indicate its approval a

39、nd cannot be rendered responsible for any equipment declared to be in conformity with one of its standards. 6) Attention is drawn to the possibility that some of the elements of this technical report may be the subject of patent rights. The IEC shall not be held responsible for identifying any or al

40、l such patent rights. The main task of IEC technical committees is to prepare International Standards. However, a technical committee may propose the publication of a technical report when it has collected data of a different kind from that which is normally published as an International Standard, f

41、or example “state of the art“. Technical reports do not necessarily have to be reviewed until the data they provide are considered to be no longer valid or useful by the maintenance team. IEC 61807, which is a technical report, has been prepared by IEC technical committee 68: Magnetic alloys and ste

42、els. The text of this technical report is based on the following documents: Enquiry draft Report on voting 68/190/CDV 68/201/RVC Full information on the voting for the approval of this technical report can be found in the report on voting indicated in the above table. This publication has been draft

43、ed in accordance with the ISO/IEC Directives, Part 3. 6 TR 61807 CEI:1999 Ce document, purement informatif, ne doit pas tre considr comme une Norme internationale. Le comit a dcid que cette publication reste valable jusquen 2007. A cette date, selon dcision pralable du comit, la publication sera rec

44、onduite; supprime; remplace par une dition rvise, ou amende.TR 61807 IEC:1999 7 This document which is purely informative is not to be regarded as an International Standard. The committee has decided that this publication remains valid until 2007. At this date, in accordance with the committees deci

45、sion, the publication will be reconfirmed; withdrawn; replaced by a revised edition, or amended. 8 TR 61807 CEI:1999 PROPRITS MAGNTIQUES DES MATRIAUX MAGNTIQUEMENT DURS DES TEMPRATURES LEVES MTHODES DE MESURE 1 Domaine dapplication Le prsent rapport technique donne les mthodes pour raliser les mesur

46、es sur les matriaux magntiquement durs, des tempratures leves. Les matriaux magntiquement durs (aimants permanents) sont classifis dans la CEI 60404-1 et leurs proprits sont spcifies dans la CEI 60404-8-1. Les mthodes de mesure des proprits magntiques des matriaux magntiquement durs la temprature am

47、biante ont t spcifies respectivement dans la CEI 60404-5 pour les circuits magntiques ferms, et dans la CEI 60404-7 pour les circuits magntiques ouverts. Les applications des matriaux magntiquement durs se dveloppent maintenant pour des tempratures leves. Par consquent, il est ncessaire de spcifier

48、et de garantir les proprits magntiques de ces matriaux sur toute leur gamme de tempratures de fonctionnement. Dans la CEI 60404-8-1 les coefficients de temprature pour la rmanence (ou la saturation) et la coercitivit J ont t spcifis en complment des proprits de base comme par exemple le maximum de lnergie magntique (BH) max ), la rmanence (B r ), la coercitivit B (H cB ), la coercitivit J (H cJ ), la permabilit relative de

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