• BS 6404-8.1:2001

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Magnetic materials. Individual materials Magnetically hard materials

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-06-2015

    Language(s):  English

    Published date:  15-03-2006

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    1 Scope
    2 Normative references
    3 Types of materials and their applications
    4 Classification
       4.1 Principal magnetic properties
       4.2 Additional magnetic properties
    5 Chemical composition
    6 Densities
    7 Designation
    8 Mode of shipment and dimensions
    9 Testing
       9.1 Extent of testing
       9.2 Testing methods
    10 Grounds for rejection
    11 Description of tables of standard properties
       11.1 Magnetically hard alloys
            11.1.1 Aluminium-nickel-cobalt-iron-titanium
                   alloys (AlNiCo)
            11.1.2 Chromium-iron-cobalt alloys (CrFeCo)
            11.1.3 Iron-cobalt-vanadium-chromium alloys
                   (FeCoVCr)
            11.1.4 Rare earth-cobalt alloys (RECo)
            11.1.5 Neodymium-iron-boron alloys (REFeB)
       11.2 Magnetically hard ceramics (magnetically hard
            ferrites)
            11.2.1 Chemical composition
            11.2.2 Manufacturing method
            11.2.3 Sub-classification
            11.2.4 Magnetic properties and densities
            11.2.5 Dimensional tolerances
       11.3 Bonded magnets
            11.3.1 Chemical composition
            11.3.2 Manufacturing
            11.3.3 Sub-classification
            11.3.4 Magnetic properties and densities
            11.3.5 Dimensional tolerances
    12 Irreversible demagnetization behaviour
    13 Tables 8 to 21
    Annex A (informative) Physical data and mechanical
            reference values of AlNiCo, CrFeCo, FeCoVCr,
            SmCo, NdFeB and hard ferrite magnets

    Abstract - (Show below) - (Hide below)

    Gives minimum values for the principal magnetic properties of, and dimensional tolerances for technically important magnetically hard materials (permanent magnets).

    General Product Information - (Show below) - (Hide below)

    Committee ISE/108
    Development Note Supersedes BS 6404-8.1(1988). (08/2001) Supersedes 96/711719 DC. (03/2006)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60050-221:1990 International Electrotechnical Vocabulary (IEV) - Part 221: Magnetic materials and components
    IEC 60404-5:2015 RLV Magnetic materials - Part 5: Permanent magnet (magnetically hard) materials - Methods of measurement of magnetic properties
    IEC 60050-121:1998 International Electrotechnical Vocabulary (IEV) - Part 121: Electromagnetism
    IEC 60404-1:2016 Magnetic materials - Part 1: Classification
    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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