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IEC 60404-18-ed.1.0
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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STANDARD published on 20.2.2025
The information about the standard:
Designation standards: IEC 60404-18-ed.1.0
Publication date standards: 20.2.2025
SKU: NS-1214886
The number of pages: 70
Approximate weight : 210 g (0.46 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Measurement of electrical and magnetic quantitiesMagnetic materials
Annotation of standard text IEC 60404-18-ed.1.0 :
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. LIEC 60404-18:2025 definit le principe general et les details techniques des methodes de mesure des proprietes magnetiques en courant continu des materiaux pour aimants permanents en circuit magnetique ouvert a laide dun aimant supraconducteur (SCM). Cette methode sapplique aux materiaux pour aimants permanents, tels que ceux specifies dans lIEC 60404-8-1, dont les proprietes sont presumees homogenes sur lensemble de leur volume. Il existe deux methodes: - la methode SCM-magnetometre a echantillon vibrant (VSM, Vibrating Sample Magnetometer); - la methode SCM-extraction. Le present document specifie egalement les methodes de correction de linfluence du champ dautodesaimantation de leprouvette sur la courbe de desaimantation obtenue en circuit magnetique ouvert. Les proprietes magnetiques sont determinees a partir de la courbe de desaimantation corrigee.
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