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PERMANENT MAGNET SOURCE POWDER FABRICATION METHOD, PERMANENT MAGNET FABRICATION METHOD, AND PERMANENT MAGNET RAW MATERIAL POWDER INSPECTION METHOD
PERMANENT MAGNET SOURCE POWDER FABRICATION METHOD, PERMANENT MAGNET FABRICATION METHOD, AND PERMANENT MAGNET RAW MATERIAL POWDER INSPECTION METHOD
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机译:永磁源粉末的制造方法,永磁体的制造方法以及永磁体原料粉末的检查方法
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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.
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