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Standard

NEK EN IEC 60404-7:2020

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Abstract

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).

Document information

  • Standard from NEK
  • Published:
  • Edition: 2020-04
  • Version: 1
  • Document type: NAT
  • ICS 17.220.20
  • ICS 29.030
  • National Committee NEK/NK68

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  • Adopted from: EN IEC 60404-7:2020 , 0