Magnetic materials Permanent magnet (magnetically hard) materials. Methods of measurement of magnetic properties

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

06-30-2015

Publisher

British Standards Institution

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Electromagnet and conditions for magnetization
5 Test specimen
6 Determination of the magnetic flux density
7 Determination of the magnetic polarization
8 Measurement of the magnetic field strength
9 Determination of the demagnetization curve
10 Determination of the principal characteristics
11 Reproducibility
12 Test report
Annex A (normative) - Influence of the air-gap between
        the test specimen and the pole pieces
Annex B (informative) - Influence of the ambient temperature
        on measurement results
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Describes the method of measurement of the magnetic flux density, magnetic polarization and the magnetic field strength and also to determine the demagnetization curve and recoil line of permanent magnet materials, such as those specified in lEC 60404-8-1 [1]1, the properties of which are presumed homogeneous throughout their volume.

The purpose of this part of IEC60404 is to define the method of measurement of the magnetic flux density, magnetic polarization and the magnetic field strength and also to determine the demagnetization curve and recoil line of permanent magnet materials, such as those specified in lEC60404‑8‑1 [1] 1 , the properties of which are presumed homogeneous throughout their volume. The performance of a magnetic system is not only dependent on the properties of the permanent magnet material but also on the dimensions of the system, the air-gap and other elements of the magnetic circuit. The methods described in this part of IEC60404 refer to the measurement of the magnetic properties in a closed magnetic circuit.

Committee	ISE/108
DevelopmentNote	Supersedes 05/30134894 DC and BS EN 10332. (05/2008) Supersedes 14/30282391 DC. (06/2015)
DocumentType	Standard
Pages	25
PublisherName	British Standards Institution
Status	Current
Supersedes	14/30282391 DC : 0 BS EN 60335-2-67:2003 05/30134894 DC : DRAFT JULY 2005 BS EN 60404-5:2007 BS EN 10332:2003

Standards	Relationship
EN 60404-5:2015	Identical
IEC 60404-5:2015 RLV	Identical
IEC 60404-5:2015	Identical

IEC TR 61807:1999	Magnetic properties of magnetically hard materials at elevated temperatures - Methods of measurement
IEC TR 62517:2009	Magnetizing behaviour of permanent magnets
IEC 60404-8-1:2015	Magnetic materials - Part 8-1: Specifications for individual materials - Magnetically hard materials
IEC TR 62331:2005	Pulsed field magnetometry
EN 60404-8-1:2015	Magnetic materials - Part 8-1: Specifications for individual materials - Magnetically hard materials

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BS EN 60404-5:2015

Magnetic materials Permanent magnet (magnetically hard) materials. Methods of measurement of magnetic properties

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