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IEC TR 62517:2009

IEC TR 62517:2009

Current

Current

The latest, up-to-date edition.

Magnetizing behaviour of permanent magnets

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

04-07-2009

Publisher

International Electrotechnical Committee

FOREWORD
INTRODUCTION
1 Scope
2 Effective magnetizing field strength
3 Initial magnetization state
4 Magnetizing behaviour of permanent magnets
  4.1 General
  4.2 Nucleation type magnets, sintered Ferrites, RE-Fe-B,
      SmCo[5]
      4.2.1 General
      4.2.2 Initial magnetization curve after final heat
            treatment
      4.2.3 Approach to saturation after final heat treatment
      4.2.4 Coercivity mechanism of nucleation type magnets
      4.2.5 Reversing the magnetization after magnetic
            saturation
  4.3 Pinning type magnets, Sm[2]Co[17]
      4.3.1 General
      4.3.2 Initial magnetization curve
      4.3.3 Approach to saturation
      4.3.4 Coercivity mechanism of pinning type magnets
  4.4 Single domain particle magnets
      4.4.1 General
      4.4.2 Single domain particle magnets based on
            magnetocrystalline anisotropy
      4.4.3 Alnico and CrFeCo magnets
5 Conclusions
Bibliography

IEC/TR 62517:2009(E) describes the magnetizing behaviour of permanent magnets in detail covering:
- the relationship between the applied magnetic field strength and the effectively acting internal field strength;
- the initial state prior to magnetization;
- the magnetizing behaviour of all common types of permanent magnets subdivided according to the dominant coercivity mechanisms, namely the nucleation type for sintered Ferrites, RE-Fe-B and SmCo5 magnets, the pinning type for carbon steel and Sm2Co17 magnets and the single domain type for nano-crystalline RE-Fe-B, Alnico and Cr-Fe-Co magnets;
- the recommended magnetizing field strengths for modern permanent magnets compiled in a comprehensive table.

Committee
TC 68
DevelopmentNote
Stability Date: 2021. (10/2012)
DocumentType
Technical Report
Pages
20
PublisherName
International Electrotechnical Committee
Status
Current

Standards Relationship
NEN NPR IEC/TR 62517 : 2009 Identical
PD IEC/TR 62517:2009 Identical

I.S. EN 60404-8-1:2015 MAGNETIC MATERIALS - PART 8-1: SPECIFICATIONS FOR INDIVIDUAL MATERIALS - MAGNETICALLY HARD MATERIALS
14/30282391 DC : 0 BS EN 60404-5 ED 3.0 - MAGNETIC MATERIALS - PART 5: PERMANENT MAGNET (MAGNETICALLY HARD) MATERIALS - METHODS OF MEASUREMENT OF MAGNETIC PROPERTIES
BS EN 60404-5:2015 Magnetic materials Permanent magnet (magnetically hard) materials. Methods of measurement of magnetic properties
BS EN 60404-8-1:2015 Magnetic materials Specifications for individual materials. Magnetically hard materials
IEC 60404-5 REDLINE : 3ED 2015 MAGNETIC MATERIALS - PART 5: PERMANENT MAGNET (MAGNETICALLY HARD) MATERIALS - METHODS OF MEASUREMENT OF MAGNETIC PROPERTIES
IEC 60404-5:2015 RLV Magnetic materials - Part 5: Permanent magnet (magnetically hard) materials - Methods of measurement of magnetic properties
IEC 60404-8-1:2015 Magnetic materials - Part 8-1: Specifications for individual materials - Magnetically hard materials
I.S. EN 60404-5:2015 MAGNETIC MATERIALS - PART 5: PERMANENT MAGNET (MAGNETICALLY HARD) MATERIALS - METHODS OF MEASUREMENT OF MAGNETIC PROPERTIES
EN 60404-8-1:2015 Magnetic materials - Part 8-1: Specifications for individual materials - Magnetically hard materials
EN 60404-5:2015 Magnetic materials - Part 5: Permanent magnet (magnetically hard) materials - Methods of measurement of magnetic properties

IEC 60404-8-1:2015 Magnetic materials - Part 8-1: Specifications for individual materials - Magnetically hard materials

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Hardcopy - English
PDF - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
Hardcopy - English
PDF - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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