A preparation method for sintered neodymium-iron-boron magnet

The invention provides a preparation method for sintered neodymium-iron-boron magnet. The method comprises the steps of after sintered neodymium-iron-boron magnet blanks naturally cool to be 400 DEG C-700 DEG C, feeding a protective gas to perform quench cooling. A crack acceptance rate is increased...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	TANG MIJUN
Format:	Patent
Sprache:	chi ; eng
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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