| 发明名称 |
MAGNET CORE, IN PARTICULAR FOR A CURRENT TRANSFORMER, AND METHOD FOR PRODUCING SAME |
| 摘要 |
Magnet core comprising a nanocrystalline alloy based on iron which has a permeability μ of between 1000 and 3500 and a magnetostriction of less than 1 ppm, which magnet core has a core mass of less than 4.7 g in the case of a maximum tolerance to unipolar current amplitudes of 60 A or a core mass of less than 5.3 g in the case of a maximum tolerance to unipolar current amplitudes of 100 A. |
| 申请公布号 |
US2015255203(A1) |
申请公布日期 |
2015.09.10 |
| 申请号 |
US201314434894 |
申请日期 |
2013.10.09 |
| 申请人 |
VACUUMSCHMELZE GMBH & CO. KG |
发明人 |
Herzer Giselher;Polak Christian;Otte Detlef;Saage Gabriela |
| 分类号 |
H01F27/25;H01F1/147;H01F41/02;C21D8/12;C21D6/00;C22C38/02;C22C38/12;C22C38/16;C22C38/00;C22C38/14;C22C38/04;C22C38/34;C22C38/26;C22C38/10;C22C38/08;C22C19/07;C22C19/00;C22F1/10;H01F1/16 |
主分类号 |
H01F27/25 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A magnet core with a soft magnetic strip material consisting of a nanocrystalline alloy based on iron, which has a permeability μ between 1000 and 3500 and a magnetostriction of less than 1 ppm, wherein the magnet core can be obtained by a method, comprising
providing a band-shaped material; heat treating the band-shaped material at a heat treatment temperature; applying to the heat-treated band-shaped material a tensile force in the longitudinal direction of the band-shaped material, thereby generating a tensile stress in the band-shaped material, and obtaining the soft magnetic strip material, determining at least one measured magnetic variable of the soft magnetic strip material produced, and controlling the tensile force for adjusting the tensile stress in reaction to the measured magnetic variable determined. |
| 地址 |
Hanau DE |
