In one embodiment, a permanent magnet has a composition expressed by a composition formula: RN x (Cr p Si q M 1-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/cm 3 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 Th 2 Zn 17 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 ±-Fe phase obtained through the powder X-ray diffraction.


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    Titel :

    PERMANENT MAGNET, ROTARY ELECTRICAL MACHINE, AND VEHICLE


    Weitere Titelangaben:

    DAUERMAGNET, ROTIERENDE ELEKTRISCHE MASCHINE UND FAHRZEUG
    AIMANT PERMANENT, MACHINE ÉLECTRIQUE TOURNANTE ET VÉHICULE


    Beteiligte:

    Erscheinungsdatum :

    2017-09-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H01F MAGNETS , Magnete / B22F Verarbeiten von Metallpulver , WORKING METALLIC POWDER / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / C22C Legierungen , ALLOYS



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