• NBN EN 60404-14 : 2003

    Current The latest, up-to-date edition.

    MAGNETIC MATERIALS - PART 14: METHODS OF MEASUREMENT OF THE MAGNETIC DIPOLE MOMENT OF A FERROMAGNETIC MATERIAL SPECIMEN BY THE WITHDRAWAL OR ROTATION METHOD

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    Published date:  12-01-2013

    Publisher:  Belgian Standards

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

    Introduction
    1 Scope
    2 Normative references
    3 Definitions
    4 General principle of measurement
    5 Test specimen
    6 Detection coil
    7 Magnetic flux integrator
    8 Measurement of the magnetic dipole moment of magnetized
       material
       8.1 Correction of integrator readings for loading effects
           with no integrator calibration
       8.2 Circuit configuration for measurement when the integrator
           is calibrated using a mutual inductor
       8.3 Calibration of the measuring device for the magnetic
           dipole moment by means of a calibrated permanent magnet
           sample
       8.4 Withdrawal method
       8.5 Rotation method
    9 Determination of the saturation value of the magnetic dipole
       moment
    10 Determination of the magnetic polarization J
    11 Determination of the specific saturation magnetic polarization
       sigma[s]
    12 Calibration of the measuring device for the saturation value
       of the magnetic dipole moment
    13 Uncertainty of measurement
    14 Test report
    Annex A (informative) - Measurement of the specific saturation
                             magnetic polarization of test specimen
                             longer than the homogenous area of the
                             Helmholtz coil
    Annex B (informative) - Measurement of ferromagnetic specimens
                             with high saturation magnetic field, e.g.
                             a hardmetal specimen with high cobalt
                             content
    Annex C (informative) - Measurement of a test specimen with a
                             small mass, e.g. a hardmetal specimen of
                             a cobalt content less than 50 mg
    Annex ZA (normative) - Normative reference to international
                             publications with their corresponding
                             European publications
    Figures

    Abstract - (Show below) - (Hide below)

    Applies to all ferromagnetic materials and particularly aimed at the measurement of the magnetic dipole moment of permanent magnet (magnetically hard) materials and the measurement of the specific saturation magnetic polarization of cemented carbide materials having a ferromagnetic binder.

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    Document Type Standard
    Publisher Belgian Standards
    Status Current
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