High-performance rare earth permanent magnet material

High-performance rare earth permanent magnet material

The invention relates to a high-performance rare earth permanent magnet material which comprises, by weight, 20-35% of rare earth elements, 0.8-1.5% of boron, 0.02-0.2% of magnesium, 0.5-5% of manganese, 0.1-3% of titanium, 0.02-0.5% of nickel, 0.02-0.5% of cadmium, 0.5-5% of aluminum, inevitable im...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: QIAN LIFENG, LI ZHUOQI, FANG ZHIPING, TONG JINFENG, CHEN XIAOYU
Format: Patent
Sprache:eng
Schlagworte:
ALLOYS
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
INDUCTANCES
MAGNETS
METALLURGY
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
TRANSFORMERS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:The invention relates to a high-performance rare earth permanent magnet material which comprises, by weight, 20-35% of rare earth elements, 0.8-1.5% of boron, 0.02-0.2% of magnesium, 0.5-5% of manganese, 0.1-3% of titanium, 0.02-0.5% of nickel, 0.02-0.5% of cadmium, 0.5-5% of aluminum, inevitable impurities and the balance ferrum. The mechanical performance and coercive force of the rare earth permanent magnet material are greatly improved, the cost is low, the manufacturing stability is high, the manufacturing method is simple, and large-scale industrial production is easy to achieve.