Osha Bergman Watanabe & Burton LLP
Method for preparing neodymium-iron-boron permanent magnetic material
A method for preparing a NdFeB permanent magnetic material may include providing a covered NdFeB magnetic powder by depositing heavy rare earth particles or high-melting particles onto a NdFeB magnetic powder by physical vapor deposition; and performing orientation molding and sintering on the covered NdFeB magnetic powder to provide the NdFeB permanent magnetic material.
BAOTOU RESEARCH INSTITUTE OF RARE EARTHS BAOTOU JINSHAN MAGNETIC MATERIAL CO. LTD BAOTOU IRON & STEEL (GROUP) CO., LTD. NATIONAL ENGINEERING RESEARCH CENTRE OF RUIKE RARE EARTH METALLURGY AND FUNCTION MATERIALS CO., LTD. XIAMEN INSTITUTE OF RARE-EARTH MATERIALS
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