公开(公告)号：US20170154713A1

公开(公告)日：2017-06-01

申请号：US15430621

申请日：2017-02-13

Applicant: ABB Schweiz AG

Inventor： Reinhard Simon ,  Jacim Jacimovic ,  Darren Tremelling ,  Felix Greuter ,  Erik Johansson ,  Tomaz Tomse

IPC: H01F7/02 ,  H01F41/02 ,  C04B35/26 ,  C04B35/622 ,  C04B41/52 ,  B33Y10/00 ,  B33Y80/00 ,  C22C38/00 ,  B22F1/00 ,  B22F3/105 ,  B23K15/00 ,  B23K26/342 ,  B23K26/00 ,  B28B1/00 ,  H01F1/053

CPC classification number: H01F7/02 ,  B22F1/0003 ,  B22F3/105 ,  B22F3/1055 ,  B22F7/06 ,  B22F2003/1051 ,  B22F2301/355 ,  B22F2998/10 ,  B22F2999/00 ,  B23K15/0086 ,  B23K15/0093 ,  B23K26/0006 ,  B23K26/342 ,  B23K2103/02 ,  B28B1/001 ,  B33Y10/00 ,  B33Y80/00 ,  C04B35/26 ,  C04B35/62218 ,  C04B41/52 ,  C22C38/002 ,  C22C38/005 ,  C22C2200/02 ,  C22C2200/04 ,  C22C2202/02 ,  H01F1/053 ,  H01F1/086 ,  H01F1/22 ,  H01F41/02 ,  H01F41/0253 ,  H01F41/0293 ,  Y02P10/295 ,  B22F2207/11 ,  B22F2202/05

Abstract: This application concerns a magnet having a magnet body as well as a method for manufacturing such a magnet. The magnet body has a first region with first magnetic properties and a second region with second magnetic properties that are different to the first properties. Owing to the manufacturing process of the magnet body, the relative location of the first region and the second region within the magnet body is freely predeterminable.

公开(公告)号：US11830645B2

公开(公告)日：2023-11-28

申请号：US16732426

申请日：2020-01-02

Applicant: ABB Schweiz AG

Inventor： Reinhard A. Simon ,  Jacim Jacimovic ,  Lorenz Herrmann ,  Tomaz Tomse

IPC: H01F1/00 ,  B22F3/10 ,  H01F7/02 ,  H01F41/00 ,  H01F1/053 ,  H01F1/057 ,  H01F41/02

CPC classification number: H01F1/0536 ,  B22F3/10 ,  H01F1/0577 ,  H01F7/02 ,  H01F41/0293

Abstract: A manufacturing method of a sintered magnet is described. The method includes forming a pre-sintering body from a first magnetic powder and a second magnetic powder (containing a heavy rare earth element, HRE) so that at least part of the second magnetic powder is provided at at least one inner portion of the pre-sintering body and surrounded format least two opposite sides by the first magnetic powder; sintering the pre-sintering body; and annealing the sintered pre-sintering body at an annealing temperature lower than the sintering temperature, thereby causing inter-grain diffusion of HRE from the HRE reservoir zone to the grain boundary phase. After the annealing, the grain boundary phase contains the HRE in a higher concentration than the main phase.

公开(公告)号：US10269479B2

公开(公告)日：2019-04-23

申请号：US15430621

申请日：2017-02-13

Applicant: ABB Schweiz AG

Inventor： Reinhard Simon ,  Jacim Jacimovic ,  Darren Tremelling ,  Felix Greuter ,  Erik Johansson ,  Tomaz Tomse

IPC: H01F7/02 ,  B22F3/105 ,  H01F1/08 ,  H01F1/22 ,  H01F41/02 ,  B22F7/06 ,  C22C38/00 ,  B33Y10/00 ,  B33Y80/00 ,  B23K26/342 ,  B22F1/00 ,  B23K15/00 ,  B23K26/00 ,  B28B1/00 ,  C04B35/26 ,  C04B35/622 ,  C04B41/52 ,  H01F1/053 ,  B23K103/02

Abstract: This application concerns a magnet having a magnet body as well as a method for manufacturing such a magnet. The magnet body has a first region with first magnetic properties and a second region with second magnetic properties that are different to the first properties. Owing to the manufacturing process of the magnet body, the relative location of the first region and the second region within the magnet body is freely predeterminable.