公开(公告)号：US20180268971A1

公开(公告)日：2018-09-20

申请号：US15868063

申请日：2018-01-11

Applicant: GRIREM ADVANCED MATERIALS CO., LTD.

Inventor： Guiyong Wu ,  Yang Luo ,  Hongwei Li ,  Yuanfei Yang ,  Dunbo Yu ,  Ningtao Quan ,  Chao Yuan ,  Wenlong Yan

IPC: H01F1/059 ,  H01F41/02 ,  C22C38/00 ,  C22C38/14 ,  C22C38/04 ,  C22C38/06 ,  C22C38/02 ,  C22C38/10 ,  C22C38/12 ,  C22C38/28

Abstract: Provided are a highly thermostable rare-earth permanent magnetic material, a preparation method thereof and a magnet containing the same. A composition of the rare-earth permanent magnetic material by an atomic percentage is as follows: SMxRaFe100-x-y-z-aMyNz, wherein R is at least one of Zr and Hf, M is at least one of Co, Ti, Nb, Cr, V, Mo, Si, Ga, Ni, Mn and Al, x+a is 7-10%, a is 0-1.5%, y is 0-5% and z is 10-14%.

公开(公告)号：US11101057B2

公开(公告)日：2021-08-24

申请号：US15868063

申请日：2018-01-11

Applicant: GRIREM ADVANCED MATERIALS CO., LTD.

Inventor： Guiyong Wu ,  Yang Luo ,  Hongwei Li ,  Yuanfei Yang ,  Dunbo Yu ,  Ningtao Quan ,  Chao Yuan ,  Wenlong Yan

IPC: C22C38/00 ,  H01F1/059 ,  C23C8/24 ,  H01F1/08 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/10 ,  C22C38/12 ,  C22C38/14 ,  C22C38/28 ,  C23C8/26 ,  H01F41/02 ,  C22C33/02 ,  B22F9/04 ,  B22F9/08 ,  B22F3/02 ,  B22F5/00 ,  B22F1/00

Abstract: Provided are a highly thermostable rare-earth permanent magnetic material, a preparation method thereof and a magnet containing the same. A composition of the rare-earth permanent magnetic material by an atomic percentage is as follows: SmxRaFe100-x-y-z-aMyNz, wherein R is at least one of Zr and Hf, M is at least one of Co, Ti, Nb, Cr, V, Mo, Si, Ga, Ni, Mn and Al, x+a is 7-10%, a is 0-1.5%, y is 0-5% and z is 10-14%.

公开(公告)号：US10811175B2

公开(公告)日：2020-10-20

申请号：US15796153

申请日：2017-10-27

Applicant: GRIREM ADVANCED MATERIALS CO., LTD.

Inventor： Yang Luo ,  Chao Yuan ,  Kuo Men ,  Ningtao Quan ,  Hongbin Zhang ,  Wenlong Yan ,  Dunbo Yu ,  Yuanfei Yang

IPC: H01F1/055 ,  B22F9/04 ,  C22C33/02 ,  C22C1/04 ,  H01F1/057 ,  C22C1/03 ,  C22C28/00 ,  C22C38/00 ,  C22C38/10

Abstract: An alloy material, a bonded magnet, and a modification method of a rare-earth permanent magnetic powder are provided by the present application. A melting point of the alloy material is lower than 600° C. and a composition of the alloy material by an atomic part is RE100-x-yMxNy, wherein RE is one or more of non-heavy rare-earth Nd, Pr, Sm, La and Ce, M is one or more of Cu, Al, Zn and Mg, N is one or more of Ga, In and Sn, x=10-35 and y=1-15.

公开(公告)号：US20180182517A1

公开(公告)日：2018-06-28

申请号：US15796153

申请日：2017-10-27

Applicant: GRIREM ADVANCED MATERIALS CO., LTD.

Inventor： Yang Luo ,  Chao Yuan ,  Kuo Men ,  Ningtao Quan ,  Hongbin Zhang ,  Wenlong Yan ,  Dunbo Yu ,  Yuanfei Yang

IPC: H01F1/055 ,  C22C38/00 ,  C22C38/10 ,  C22C28/00 ,  C22C1/03 ,  B22F9/04

Abstract: An alloy material, a bonded magnet, and a modification method of a rare-earth permanent magnetic powder are provided by the present application. A melting point of the alloy material is lower than 600° C. and a composition of the alloy material by an atomic part is RE100-x-yMxNy, wherein RE is one or more of non-heavy rare-earth Nd, Pr, Sm, La and Ce, M is one or more of Cu, Al, Zn and Mg, N is one or more of Ga, In and Sn, x=10-35 and y=1-15.