Corrosion-resistant rare earth permanent magnet material

Corrosion-resistant rare earth permanent magnet material

The invention relates to a corrosion-resistant rare earth permanent magnet material. The corrosion-resistant rare earth permanent magnet material is prepared from, by weight, 20-35% of rare earth elements, 0.8-1.5% of boron, 0.02-0.2% of magnesium, 0.5-5% of silicon, 0.1-3% of vanadium, 0.02-0.5% of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XU JIANHUA, LI ZHUOQI, ZHANG YI, ZHANG YAODONG, TONG JINFENG
Format: Patent
Sprache:chi ; 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 corrosion-resistant rare earth permanent magnet material. The corrosion-resistant rare earth permanent magnet material is prepared from, by weight, 20-35% of rare earth elements, 0.8-1.5% of boron, 0.02-0.2% of magnesium, 0.5-5% of silicon, 0.1-3% of vanadium, 0.02-0.5% of tin, 0.02-0.5% of zirconium, 0.02-0.5% of chromium, 0.5-5% of aluminum and the balance iron and inevitable impurities. The rare earth permanent magnet material has high corrosion resistance and excellent mechanical performance and is low in cost and high in stability, a preparation method is simple, and large-scale industrial production can be easily achieved.