In one embodiment, a permanent magnet has a composition expressed by a composition formula: RNx(CrpSiqM1-p-q)z (R is at least one element selected from Y and rare-earth elements, M is at least one element selected from Fe and Co, and x, p, q, and z are atomic ratios satisfying 0.5≦x≦2.0, 0.005≦p≦0.2, 0.005≦q≦0.2, and 4≦z≦13, respectively). The permanent magnet has a density of 6.5 g/cm3 or more and satisfies the relationship of I(110)/{I(110)+I(303)}≦0.05, in which I(303) represents a diffraction peak intensity from a (303) plane of a Th2Zn17 phase obtained through powder X-ray diffraction of the permanent magnet, and I(110) represents a diffraction peak intensity from a (110) plane of an α-Fe phase obtained through the powder X-ray diffraction.


    Access

    Download


    Export, share and cite



    Title :

    PERMANENT MAGNET, ROTARY ELECTRICAL MACHINE, AND VEHICLE


    Contributors:

    Publication date :

    2017-09-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H01F MAGNETS , Magnete



    PERMANENT MAGNET, ROTARY ELECTRICAL MACHINE, AND VEHICLE

    SANADA NAOYUKI / SAKURADA SHINYA / YAMASHITA TOMOHIRO | European Patent Office | 2017

    Free access

    PERMANENT MAGNET, ROTARY ELECTRIC MACHINE, AND VEHICLE

    OKAMOTO YOSHIKO / HORIUCHI YOSUKE / SAKURADA SHINYA et al. | European Patent Office | 2018

    Free access

    MAGNET MATERIAL, PERMANENT MAGNET, ROTARY ELECTRIC MACHINE AND VEHICLE

    HAGIWARA MASAYA / SAKURADA SHINYA / OKAMOTO YOSHIKO | European Patent Office | 2020

    Free access

    Permanent magnet type rotary electric machine

    KORI DAISUKE / MIKAMI HIROYUKI / MASUDA SEIKICHI et al. | European Patent Office | 2015

    Free access

    Permanent magnet-type rotary electric machine and vehicle drive system

    KANEKO KENTA / HAZEYAMA MORIYUKI | European Patent Office | 2017

    Free access