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IEC 60404-18 Ed. 1.0 b:2025

Magnetic materials - Part 18: Permanent magnet (magnetically hard) materials - Methods of measurement of the magnetic properties in an open magnetic circuit using a superconducting magnet
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IEC 60404-18 Ed. 1.0 b:2025

Magnetic materials - Part 18: Permanent magnet (magnetically hard) materials - Methods of measurement of the magnetic properties in an open magnetic circuit using a superconducting magnet

IEC 60404-18 Ed. 1.0 b:2025

IEC 60404-18:2025 defines the general principle and technical details of the methods of measurement of the DC magnetic properties of permanent magnet materials in an open magnetic circuit using a superconducting magnet (SCM).

This method is applicable to permanent magnet materials, such as those specified in IEC 60404-8-1, the properties of which are presumed homogeneous throughout their volume.

There are two methods:

  • the SCM-vibrating sample magnetometer (VSM) method;
  • the SCM-extraction method.

This document also specifies methods to correct the influence of the self-demagnetizing field in the test specimen on the demagnetization curve obtained in an open magnetic circuit. The magnetic properties are determined from the corrected demagnetization curve.

SDO IEC: International Electrotechnical Commission
Document Number IEC 60404
Publication Date Not Available
Language b - English & French
Page Count 74
Revision Level 1.0
Supercedes
Committee 68
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