As heavy rare earth elements are become less prevalent, because one-tenth as often in ore deposits as light rare earth elements. Future usage of need to be reduces heavy rare earth, because of resource risks and costs. As such, a method was developed to recover reductions in coercive force and prevent demagnetization temperature from reducing without adding any heavy rare earth elements.First, a heavy rare-earth-free magnet was developed by hot deformation, which limits growth of crystal grain size, and relationships were clarified between coercive force and optimal deforming temperatures, speed, and total rare earth amounts for heavy rare-earth-free magnets.Second, it was made clear that the permeance coefficient can be increased by reshaping the flux barriers, and that the developed hot deformed magnet can be adopted.In this study, a new motor was developed using heavy rare-earth-free hot deformed magnets with performance and marketability equal to or higher than those of traction motors equipped in one-motor sport hybrid systems.


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    Titel :

    Magnetic Form of Heavy Rare-Earth Free Motor for Hybrid Electric Vehicle


    Weitere Titelangaben:

    Sae Int. J. Alt. Power


    Beteiligte:
    Shirado, Eiji (Autor:in) / shimizu, Haruhiko (Autor:in) / Fujishiro, Satoshi (Autor:in) / Soma, Shingo (Autor:in)

    Kongress:

    WCX™ 17: SAE World Congress Experience ; 2017



    Erscheinungsdatum :

    28.03.2017


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch



    Magnetic Form of Heavy Rare-Earth Free Motor for Hybrid Electric Vehicle

    Soma, Shingo / shimizu, Haruhiko / Shirado, Eiji et al. | British Library Conference Proceedings | 2017


    Research of the Heavy-rare-earth-free Motor for Hybrid Vehicle

    Soma, Shingo / Fujishiro, Satoshi / Shirado, Eiji | British Library Online Contents | 2017



    Development of Motor with Heavy Rare Earth-Free Magnet for Two-Motor Hybrid System

    Ito, Yuta / Aoki, Tadanobu / Naito, Tomokazu et al. | British Library Conference Proceedings | 2019


    Development of Motor with Heavy Rare Earth-Free Magnet for Two-Motor Hybrid System

    Aoki, Tadanobu / Naito, Tomokazu / Hiranishi, Toru et al. | SAE Technical Papers | 2019