METHOD FOR MANUFACTURING SINTERED MAGNET AND SINTERED MAGNET

According to an exemplary embodiment of the present invention, a manufacturing method of a magnesium alloy plate includes: preparing NdFeB-based powders by using a reduction-diffusion method; mixing the NdFeB-based powders and rare-earth hydride powders; heat-treating the mixture at a temperature of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LEE, Jung Goo, CHOE, Jinhyeok, CHOI, Ikjin, UH, Hyounsoo, IN, Juneho, KIM, Ingyu, KWON, Soon Jae, SHIN, Eunjeong
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CASTING ELECTRICITY INDUCTANCES MAGNETS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	According to an exemplary embodiment of the present invention, a manufacturing method of a magnesium alloy plate includes: preparing NdFeB-based powders by using a reduction-diffusion method; mixing the NdFeB-based powders and rare-earth hydride powders; heat-treating the mixture at a temperature of 600 to 850 °C; and sintering the heat-treated mixture at a temperature of 1000 to 1100 °C, wherein the rare earth hydride powders are NdH2powders or mixed powers of NdH2and PrH2.