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sklademVydáno: 2020-04-30
BS EN IEC 60404-7:2020
Magnetic materials Method of measurement of the coercivity (up to 160 kA/m) of magnetic materials in an open magnetic circuit
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| Označení normy: | BS EN IEC 60404-7:2020 |
| Počet stran: | 22 |
| Vydáno: | 2020-04-30 |
| ISBN: | 978 0 539 05300 5 |
| Status: | Standard |
Popis
BS EN IEC 60404-7:2020
This standard BS EN IEC 60404-7:2020 Magnetic materials is classified in these ICS categories:
- 29.030 Magnetic materials
- 17.220.20 Measurement of electrical and magnetic quantities
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).