Spring Meeting of the Japan Society of Powder and Powder Metallurgy, 2021

Presentation information

Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

Live Distribution (Zoom) » Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

Special Issue: Control and Manipulation of Microstructure in Magnetic Materials for Functional Devices

Thu. Jun 3, 2021 1:00 PM - 4:10 PM Room I (Live Distribution)

Chairperson:Yoshitaka KITAMOTO (Tokyo Institute of Technology), Gaku Obara (Meiji University)

2:30 PM - 3:10 PM

[1-9] Memorial Lecture of JSPM Award
NdFeB Magnet formed by Binder-less Net Shaping Process

〇Toru MAEDA1, Asako WATANABE1, Kazunari SHIMAUCHI1 (1.Sumitomo Electric Industries, Ltd.)

Keywords:Rare-earth magnet, Heatproof, Net shaping process, recyclable, thin

受賞業績:
氏らは,形状自由度と耐熱性の両立が困難なNdFeB磁石において,磁石粉末に塑性変形性を発現させニアネット成形する独自工法を開発した.HDDR処理を活用して,硬質な原料粉末を軟質化し,複雑な形状の加工ができ,かつ樹脂を使用する必要のないニアネット成形により形状自由度の問題を解決した.さらに結晶の微細化により高価なDyを添加することなく,150℃でも磁力の低下を抑制することに成功した.

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