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Composite particle of soft-magnetic metallic material, method for producing composite particle, powder core, magnetic element, and portable electronic device
Composite particle of soft-magnetic metallic material, method for producing composite particle, powder core, magnetic element, and portable electronic device
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机译:软磁性金属材料的复合粒子,复合粒子的制造方法,压粉磁芯,磁性元件以及便携式电子设备
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摘要
A composite particle includes: a particle composed of a soft magnetic metallic material, and a coating layer composed of a soft magnetic metallic material having a different composition from that of the particle and fusion-bonded to the particle so as to cover the particle, wherein when the Vickers hardness of the particle is represented by HV1 and the Vickers hardness of the coating layer is represented by HV2, HV1 and HV2 satisfy the following relationship: 100≦HV1−HV2, and when half of the projected area circle equivalent diameter of the particle is represented by r and the average thickness of the coating layer is represented by t, r and t satisfy the following relationship: 0.05≦t/r≦1.
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