SIST EN 10330:2015
(Main)Magnetic materials - Method of measurement of the coercivity of magnetic materials in an open magnetic circuit
Magnetic materials - Method of measurement of the coercivity of magnetic materials in an open magnetic circuit
This European Standard specifies the method of measurement of the coercivity of magnetic materials in an open magnetic circuit.
It applies to magnetic materials having a coercivity up to 500 kA/m. Special precautions to take in measuring coercivities below 40 A/m and above 160 kA/m are given in Annex A.
Magnetische Werkstoffe - Verfahren zur Messung der Koerzivität magnetischer Werkstoffe im offenen Magnetkreis
Diese Europäische Norm legt das Verfahren zur Messung der Koerzivität magnetischer Werkstoffe in einem offenen Magnetkreis fest.
Die Norm gilt für magnetische Werkstoffe mit einer Koerzivität bis 500 kA/m. Besondere Vorkehrungen müssen bei Messungen von Koerzivitäten unter 40 A/m und über 160 kA/m getroffen werden, siehe Anhang A.
Matériaux magnétiques - Méthode de mesure du champ coercitif des matériaux magnétiques en circuit magnétique ouvert
La présente Norme européenne spécifie la méthode de mesure du champ coercitif des matériaux magnétiques dans un circuit magnétique ouvert.
Elle s’applique aux matériaux magnétiques possédant un champ coercitif inférieur ou égal à 500 kA/m. Les précautions particulières à prendre dans le cas des champs coercitifs inférieurs à 40 A/m et supérieurs à 160 kA/m sont données dans l’annexe A.
Magnetni materiali - Metode za merjenje koercitivnosti magnetnih materialov v odprtem magnetnem krogu
Ta evropski standard določa metodo za merjenje koercitivnosti magnetnih materialov v odprtem magnetnem krogu.
Uporablja se za magnetne materiale s koercitivnostjo do 500 kA/m. Posebni previdnostni ukrepi, ki ji je treba upoštevati pri merjenju koercitivnosti pod 40 A/m in nad 160 kA/m, so navedeni v dodatku A.
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Magnetni materiali - Metode za merjenje koercitivnosti magnetnih materialov v odprtem magnetnem kroguMagnetische Werkstoffe - Verfahren zur Messung der Koerzivität magnetischer Werkstoffe im offenen MagnetkreisMatériaux magnétiques - Méthode de mesure du champ coercitif des matériaux magnétiques en circuit magnétique ouvertMagnetic materials - Method of measurement of the coercivity of magnetic materials in an open magnetic circuit29.030Magnetni materialiMagnetic materialsICS:Ta slovenski standard je istoveten z:EN 10330:2015SIST EN 10330:2015en,fr,de01-oktober-2015SIST EN 10330:2015SLOVENSKI
STANDARDSIST EN 10330:20031DGRPHãþD
SIST EN 10330:2015
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 10330
August 2015 ICS 29.030 Supersedes EN 10330:2003English Version
Magnetic materials - Method of measurement of the coercivity of magnetic materials in an open magnetic circuit
Matériaux magnétiques - Méthode de mesure du champ coercitif des matériaux magnétiques en circuit magnétique ouvert
Magnetische Werkstoffe - Verfahren zur Messung der Koerzivität magnetischer Werkstoffe in einem offenen Magnetkreis This European Standard was approved by CEN on 23 July 2015.
CEN 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 application to the CEN-CENELEC Management Centre or to any CEN 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-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10330:2015 ESIST EN 10330:2015
EN 10330:2015 (E) 2 Contents Page European foreword . 3 1 Scope . 4 2 Normative references . 4 3 Terms and definitions . 4 4 Principle . 5 5 Test specimen . 5 6 Measurement . 5 6.1 Magnetization . 5 6.2 Measuring devices . 6 6.2.1 General . 6 6.2.2 Method A . 6 6.2.3 Method B . 6 6.3 Determination of coercivity . 6 6.4 Reproducibility . 7 7 Test report . 7 Annex A (normative)
Precautions to be taken for measurements of coercivity below 40 A/m and above 160 kA/m . 10 A.1 Coercivities below 40 A/m . 10 A.2 Coercivities above 160 kA/m . 10 Bibliography . 11
SIST EN 10330:2015
EN 10330:2015 (E) 3 European foreword This document (EN 10330:2015) has been prepared by Technical Committee ECISS/TC 108 “Steel sheet and strip for electrical applications”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2016, and conflicting national standards shall be withdrawn at the latest by February 2016. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 10330:2003. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 10330:2015
EN 10330:2015 (E) 4 1 Scope This European Standard specifies the method of measurement of the coercivity of magnetic materials in an open magnetic circuit. It applies to magnetic materials having a coercivity up to 500 kA/m. Special precautions to take in measuring coercivities below 40 A/m and above 160 kA/m are given in Annex A. 2 Normative references 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 edition of the referenced document (including any amendments) applies. IEC 60050-121, International Electrotechnical Vocabulary — Part 121: Electromagnetism IEC 60050-221, International Electrotechnical Vocabulary — Part 221: Magnetic materials and components 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60050-121 and IEC 60050-221 and the following apply. 3.1 coercivity HcJ magnetic field strength required to reduce the magnetic polarization to zero in a magnetic specimen which has previously been magnetized to saturation Note 1 to entry: The coercivities HcB and HcJ are respectively discriminated depending on the hysteresis loop being defined in the B = f(H), or J = f(H) system (see Figure 1). It can be shown that, for materials of high-incremental permeability in the region B = 0, the difference between the intrinsic coercivity HcJ and the coercivity HcB is negligible since: ∆∆µ−=BHHH0cJcB1 where HcB is the induction coercivity, in amperes per metre; HcJ is the polarization coercivity, in amperes per metre; ûB
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Magnetni materiali - Metode za merjenje koercitivnosti magnetnih materialov v odprtem magnetnem kroguMagnetische Werkstoffe - Verfahren zur Messung der Koerzivität magnetischer Werkstoffe im offenen MagnetkreisMatériaux magnétiques - Méthode de mesure du champ coercitif des matériaux magnétiques en circuit magnétique ouvertMagnetic materials - Method of measurement of the coercivity of magnetic materials in an open magnetic circuit29.030Magnetni materialiMagnetic materialsICS:Ta slovenski standard je istoveten z:FprEN 10330kSIST FprEN 10330:2015en,fr,de01-marec-2015kSIST FprEN 10330:2015SLOVENSKI
STANDARD
kSIST FprEN 10330:2015
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
FINAL DRAFT
FprEN 10330
January 2015 ICS 29.030 Will supersede EN 10330:2003English Version
Magnetic materials - Method of measurement of the coercivity of magnetic materials in an open magnetic circuit
Matériaux magnétiques - Méthode de mesure du champ coercitif des matériaux magnétiques en circuit magnétique ouvert
Magnetische Werkstoffe - Verfahren zur Messung der Koerzivität magnetischer Werkstoffe im offenen Magnetkreis This draft European Standard is submitted to CEN members for unique acceptance procedure. It has been drawn up by the Technical Committee ECISS/TC 108.
If this draft becomes a European Standard, CEN 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.
This draft European Standard was established by CEN 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-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. FprEN 10330:2015 EkSIST FprEN 10330:2015
FprEN 10330:2015 (E) 2 Contents Page Foreword . 3 1 Scope . 4 2 Normative references . 4 3 Terms and definitions . 4 4 Principle . 5 5 Test specimen . 5 6 Measurement . 5 6.1 Magnetization . 5 6.2 Measuring devices . 6 6.2.1 General . 6 6.2.2 Method A . 6 6.2.3 Method B . 6 6.3 Determination of coercivity . 6 6.4 Reproducibility . 7 7 Test report . 7 Annex A (normative)
Precautions to be taken for measurements of coercivity below 40 A/m and above 160 kA/m . 10 A.1 Coercivities below 40 A/m . 10 A.2 Coercivities above 160 kA/m . 10 Bibliography . 11
kSIST FprEN 10330:2015
FprEN 10330:2015 (E) 3 Foreword This document (FprEN 10330:2015) has been prepared by Technical Committee ECISS/TC 108 “Steel sheet and strip for electrical applications”, the secretariat of which is held by DIN. This document is currently submitted to the Unique Acceptance Procedure. This document will supersede EN 10330:2003. kSIST FprEN 10330:2015
FprEN 10330:2015 (E) 4 1 Scope This European Standard specifies the method of measurement of the coercivity of magnetic materials in an open magnetic circuit. It applies to magnetic materials having a coercivity up to 500 kA/m. Special precautions to take in measuring coercivities below 40 A/m and above 160 kA/m are given in Annex A. 2 Normative references 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 edition of the referenced document (including any amendments) applies. IEC 60050-121, International Electrotechnical Vocabulary — Part 121: Electromagnetism IEC 60050-221, International Electrotechnical Vocabulary — Part 221: Magnetic materials and components 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60050-121 and IEC 60050-221 and the following apply. 3.1 coercivity HcJ magnetic field strength required to reduce the magnetic polarization to zero in a magnetic specimen which has previously been magnetized to saturation Note 1 to entry: The coercivities HcB and HcJ are respectively discriminated depending on the hysteresis loop being defined in the B = f(H), or J = f(H) system (see Figure 1). It can be shown that, for materials of high-incremental permeability in the region B = 0, the difference between the intrinsic coercivity HcJ and the coercivity HcB is negligible since: ∆∆µ−=BHHH0cJcB1 where HcB is the induction coercivity, in amperes per metre; HcJ is the polarization coercivity, in amperes per metre; ûB is the incremental change in magnetic flux density, in tesla (for B = 0); ûH is the corresponding change in magnetic field strength, in amperes per metre; 0 -7 H/m (henrys per metre). kSIST FprEN 10330:2015
FprEN 10330:2015 (E) 5 4 Principle If a magnetic specimen is placed in a uniform magn
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