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EN 60404-8-1:2015

Current
Current

The latest, up-to-date edition.

Magnetic materials - Part 8-1: Specifications for individual materials - Magnetically hard materials
Published date

29-05-2015

Publisher

European Committee for Standards - Electrical

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Types of materials and their applications
5 Classification
6 Chemical composition
7 Densities
8 Designation
9 Mode of shipment and dimensions
10 Testing
11 Grounds for rejection
12 Description of tables of standard properties
13 Irreversible demagnetization behaviour
14 Tables 10 to 23
Annex A (informative) - Physical data and mechanical
        reference values of AINiCo, CrFeCo, FeCoVCr, SmCo,
        NdFeB, hard ferrite and bonded SmFeN magnets
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

IEC 60404-8-1:2015 specifies minimum values for the principal magnetic properties of, and dimensional tolerances for, technically important magnetically hard materials (permanent magnets). For information purposes only, this part of IEC 60404 provides values for the densities of the materials and the ranges of their chemical compositions. Some additional physical data and mechanical reference values concerning the magnetic materials are given for information and comparison purposes. This edition includes the following significant technical changes with respect to the previous edition:a) recently developed anisotropic Sm-Fe-N bonded magnets are included;b) high energy ferrites with La and Co as substituents are included.

Committee
CLC/SR 68
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

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IEC TR 62517:2009 Magnetizing behaviour of permanent magnets
IEC 60050-151:2001 International Electrotechnical Vocabulary (IEV) - Part 151: Electrical and magnetic devices
IEC 60050-221:1990 International Electrotechnical Vocabulary (IEV) - Part 221: Magnetic materials and components
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IEC 60404-7:1982 Magnetic materials. Part 7: Method of measurement of the coercivity of magnetic materials in an open magnetic circuit

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