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Method for preparing neodymium-iron-boron permanent magnetic material 发明授权

2022-05-31 3030 1253K 0

专利信息

申请日期 2025-02-22 申请号 US16472034
公开(公告)号 US11305345B2 公开(公告)日 2022-04-19
公开国别 US 申请人省市代码 全国
申请人 BAOTOU RESEARCH INSTITUTE OF RARE EARTHS; NATIONAL ENGINEERING RESEARCH CENTRE OF RUIKE RARE EARTH METALLURGY AND FUNCTION MATERIALS CO LTD; BAOTOU IRON STEEL (GROUP) CO LTD; XIAMEN INSTITUTE OF RARE EARTH MATERIALS; BAOTOU JINSHAN MAGNETIC MATERIAL CO LT
简介 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.


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