Preparation method of a rare earth anisotropic bonded magnetic powder

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United States of America Patent

PATENT NO 11987868
APP PUB NO 20210129217A1
SERIAL NO

17090703

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Abstract

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A method for preparing a rare earth anisotropic bonded magnetic powder, comprises the following steps: (1) preparing raw powder with RTBH as the main component, wherein, R is Nd or Pr/Nd, and T is a transition metal containing Fe; (2) adding La hydride or Ce hydride and copper powder to the raw powder to form a mixture; (3) subjecting the mixture to atmosphere diffusion heat treatment to give the rare earth anisotropic bonded magnetic powder.

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Patent Owner(s)

Patent OwnerAddress
GRIREM ADVANCED MATERIALS CO LTD100088 2 XINJIE STREET XICHENG DISTRICT BEIJING BEIJING CITY BEIJING CITY 100088
GRIREM HI-TECH CO LTDNORTH OF GUSHAN SOUTH ROAD AND EAST OF HAPPINESS ROAD HI-TECH INDUSTRIAL ZONE YANJIAO TOWN SANHE LANGFANG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hu, Zhou Beijing, CN 9 26
Liao, Yifan Beijing, CN 6 3
Luo, Yang Beijing, CN 93 348
Wang, Zhongkai Beijing, CN 12 5
Wang, Zilong Beijing, CN 28 27
Xie, Jiajun Beijing, CN 12 6
Yang, Yuanfei Beijing, CN 13 9
Yu, Dunbo Beijing, CN 20 24

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