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IEC 60404-7

Magnetic materials - Part 7: Method of measurement of the coercivity (up to 160 kA/m) of magnetic materials in an open magnetic circuit

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Organization: IEC
Publication Date: 1 January 2019
Status: active
Page Count: 38
ICS Code (Magnetic materials): 29.030
ICS Code (Measurement of electrical and magnetic quantities): 17.220.20
scope:

This part of IEC 60404 specifies a method of measurement of the coercivity of magnetic materials in an open magnetic circuit.

This document is applicable to all magnetic materials with coercivities from 0,2 A/m to 160 kA/m.

NOTE Examples of magnetic materials covered by this document are amorphous alloys, nanocrystalline alloys, all softmagnetic crystalline materials (e.g. Fe, FeSi-, CoFe- and FeNi-alloys), soft ferrites, hard metals, semi-hard magnetic alloys (e.g. FeCoTiAl-, FeCoV-, FeCrCo- and AlNiCo-alloys) [1]1.

Special precautions are to be taken in measuring coercivities below 40 A/m, in materials with high conductivity and in test specimens which have a shape different from ellipsoids (see Annex A).

1 Numbers in square brackets refer to the Bibliography.

Document History

IEC 60404-7
January 1, 2019
Magnetic materials - Part 7: Method of measurement of the coercivity (up to 160 kA/m) of magnetic materials in an open magnetic circuit
This part of IEC 60404 specifies a method of measurement of the coercivity of magnetic materials in an open magnetic circuit. This document is applicable to all magnetic materials with coercivities...
January 1, 1982
Magnetic Materials Part 7: Method of Measurement of the Coercivity of Magnetic Materials in an Open Magnetic Circuit
This standard applies to magnetic materials having a coercivity up to 500 kA/m. Special precautions shall be taken in measuring coercivities below 40 A/m and above 160 kA/m (see Appendix A).

References

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