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    PERMANENT MAGNET SOURCE POWDER FABRICATION METHOD, PERMANENT MAGNET FABRICATION METHOD, AND PERMANENT MAGNET RAW MATERIAL POWDER INSPECTION METHOD
    1.
    发明公开
    PERMANENT MAGNET SOURCE POWDER FABRICATION METHOD, PERMANENT MAGNET FABRICATION METHOD, AND PERMANENT MAGNET RAW MATERIAL POWDER INSPECTION METHOD 有权
    DAUERMAGNETQUELLENPULVERHERSTELLUNGSVERFAHREN，DAUERMAGNETHERSTELLUNGSVERFAHREN UNDDAUERMAGNETROHMATERIALPULVERPRÜFVERFAHREN

    公开(公告)号：EP3007191A4

    公开(公告)日：2016-06-08

    申请号：EP13885243

    申请日：2013-05-24

    申请人： TOYOTA MOTOR CO LTD

    发明人： SAKUMA NORITSUGU ,  KISHIMOTO HIDEFUMI ,  NOZAKI MIKIYA ,  YANO MASAO ,  SHOJI TETSUYA ,  MANABE AKIRA

    IPC分类号： H01F1/06 ,  B22F3/14 ,  H01F1/057 ,  H01F1/08

    CPC分类号： B22F3/1017 ,  B22F3/14 ,  C21D1/56 ,  C22C28/00 ,  H01F1/0571 ,  H01F1/0577 ,  H01F1/06 ,  H01F1/086 ,  H01F41/0266

    摘要： A method for producing a raw material powder of a permanent magnet, which includes the steps of: preparing a material powder of a permanent magnet, measuring magnetic characteristics of the material powder of the permanent magnet, and judging the quality of the material powder as the raw material powder based on a preliminarily determined relation between magnetic characteristics and the structure of the material powder. A method for producing a permanent magnet, which includes the step of integrating material powders judged as good in the step of judging the quality as raw material powders by the method for producing a raw material powder of a permanent magnet. An method for inspecting a permanent magnet material powder, which includes transmitting a magnetic field to a material powder of a permanent magnet, receiving the magnetic field from the material powder, and measuring a magnetic field difference between the transmitted magnetic field and the received magnetic field as magnetic characteristics of the material powder.

    摘要翻译： 一种永磁体原料粉末的制造方法，其特征在于，包括以下步骤：制备永久磁铁的材料粉末，测定永久磁铁的材料粉末的磁特性，并将材料粉末的质量判定为 基于磁特性和材料粉末的结构之间的预先确定的关系的原料粉末。 一种永久磁铁的制造方法，其特征在于，包括以下步骤：通过永磁体的原料粉末的制造方法将作为原料粉末的质量判断的工序中判断为良好的材料粉末整合在一起。 一种用于检查永磁材料粉末的方法，其包括将磁场传递到永磁体的材料粉末，从材料粉末接收磁场，以及测量透射磁场和接收的磁场之间的磁场差 作为材料粉末的磁特性。