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IEC 60404-8-1-ed.4.0
Magnetic materials - Part 8-1: Specifications for individual materials - Permanent magnet (magnetically hard) materials
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STANDARD published on 20.9.2023
The information about the standard:
Designation standards: IEC 60404-8-1-ed.4.0
Publication date standards: 20.9.2023
SKU: NS-1155929
The number of pages: 95
Approximate weight : 316 g (0.70 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 60404-8-1-ed.4.0 :
IEC 60404-8-1:2023 specifies minimum values for the principal magnetic properties of, and dimensional tolerances for, technically important permanent magnet (magnetically hard) materials. For information purposes only, this document provides values for the densities of the materials and the ranges of their chemical compositions. This fourth edition includes the following significant technical changes with respect to the previous edition: a) recently developed anisotropic REFeB hot deformed magnets and anisotropic HDDR REFeB bonded magnets are included; b) high energy Ca-La-Co ferrites stabilized by La and Co substitution are included; c) new and high-performance grades of REFeB and RE2Co17 sintered magnets and isotropic REFeN bonded magnets are added. LIEC 60404-8-1:2023 specifie les valeurs minimales des principales proprietes magnetiques et les tolerances sur les dimensions pour les materiaux (magnetiques durs) pour aimants permanents qui presentent un interet technique important. Le present document fournit uniquement des valeurs indicatives pour les masses volumiques des materiaux et leurs plages de compositions chimiques. Cette quatrieme edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: a) ajout des aimants deformes a chaud REFeB anisotropes et des aimants agglomeres REFeB HDDR anisotropes recemment developpes; b) ajout des ferrites Ca-La-Co a haute energie stabilises par substitution de La et de Co; c) ajout de nouvelles qualites et de qualites hautes performances pour les aimants frittes REFeB et RE2Co17 et les aimants agglomeres REFeN isotropes.
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