公开(公告)号：US10388439B2

公开(公告)日：2019-08-20

申请号：US15377357

申请日：2016-12-13

申请人： HYUNDAI MOTOR COMPANY ,  HYUNDAI MOBIS CO., LTD.

发明人： Young Min Kim ,  Choul Hwan Ham ,  Kee Yang Lee ,  Hee Bok Kang

IPC分类号： C04B35/26 ,  C01G49/00 ,  H01F1/03 ,  B22F3/10 ,  B22F9/04 ,  C04B35/626 ,  C04B35/64 ,  C22C30/06 ,  H01F41/02 ,  H01F1/34

摘要： Disclosed is a method of manufacturing a ferrite magnetic substance, including: a first mixing operation of providing a first mixture composed of 47 to 49 wt % of Fe, 16 to 18 wt % of Mn, 5.2 to 7.2 wt % of Zn, and a remainder of oxygen and other inevitable impurities, a second mixing operation of providing a second mixture composed of the first mixture and an additive including, based on 100 parts by weight of the first mixture, 28 to 51 ppm of Si, 140 to 210 ppm of Nb and 155 to 185 ppm of Zr, and a finish operation of producing a ferrite magnetic substance by sintering the second mixture.

公开(公告)号：US20180096761A1

公开(公告)日：2018-04-05

申请号：US15377357

申请日：2016-12-13

申请人： HYUNDAI MOTOR COMPANY ,  HYUNDAI MOBIS CO., LTD.

发明人： Young Min Kim ,  Choul Hwan Ham ,  Kee Yang Lee ,  Hee Bok Kang

IPC分类号： H01F1/03 ,  C22C30/06 ,  B22F9/04 ,  B22F3/10 ,  C04B35/26 ,  C04B35/64 ,  C04B35/626 ,  H01F41/02

CPC分类号： H01F1/0315 ,  B22F3/1017 ,  B22F9/04 ,  B22F2301/35 ,  B22F2302/25 ,  B22F2303/01 ,  B22F2998/10 ,  C01G49/0072 ,  C01P2002/50 ,  C01P2002/52 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/80 ,  C04B35/2658 ,  C04B35/6261 ,  C04B35/62685 ,  C04B35/64 ,  C04B2235/3208 ,  C04B2235/3244 ,  C04B2235/3251 ,  C04B2235/3263 ,  C04B2235/3268 ,  C04B2235/3274 ,  C04B2235/3284 ,  C04B2235/3418 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/77 ,  C04B2235/85 ,  C22C30/06 ,  H01F1/0317 ,  H01F1/344 ,  H01F41/0246 ,  H01F41/0253

摘要： Disclosed is a method of manufacturing a ferrite magnetic substance, including: a first mixing operation of providing a first mixture composed of 47 to 49 wt % of Fe, 16 to 18 wt % of Mn, 5.2 to 7.2 wt % of Zn, and a remainder of oxygen and other inevitable impurities, a second mixing operation of providing a second mixture composed of the first mixture and an additive including, based on 100 parts by weight of the first mixture, 28 to 51 ppm of Si, 140 to 210 ppm of Nb and 155 to 185 ppm of Zr, and a finish operation of producing a ferrite magnetic substance by sintering the second mixture.