公开(公告)号：WO2004070745A1

公开(公告)日：2004-08-19

申请号：PCT/CA2004/000147

申请日：2004-02-04

Applicant: CORPORATION IMFINE CANADA INC. ,  LEMIEUX, Patrick

Inventor： LEMIEUX, Patrick

IPC: H01F1/22

CPC classification number: H01F1/1475 ,  H01F1/22 ,  H01F1/24 ,  H01F41/0246 ,  Y10T428/12181 ,  Y10T428/2991

Abstract: A magnetic composite for AC applications with improved magnetic properties (i.e. low hysteresis losses and low eddy current losses) is disclosed. The composite comprises a consolidation of magnetizable metallic microlamellar particles each having a top and bottom surfaces and opposite ends. The top and bottom surfaces are coated with a dielectric coating for increasing the resistivity of the composite and reducing eddy current losses. The dielectric coating is made of a refractory material and the ends of the lamellar particles are metallurgically bonded to each other to reduce hysteresis losses of the composite. A process for manufacturing the same is also disclosed. The composite is suitable for manufacturing devices for AC applications such as transformers, stator and rotor of motors, generators, alternators, field concentrators, chokes, relays, electromechanical actuators, synchroresolvers, etc....

Abstract translation: 公开了一种用于具有改善的磁特性（即低磁滞损耗和低涡流损耗）的AC应用的磁性复合材料。 复合材料包括可磁化的金属微晶粒子的固结，每个颗粒具有顶表面和底表面以及相对的两端。 顶表面和底表面涂覆有介电涂层，用于提高复合材料的电阻率并减少涡流损耗。 电介质涂层由耐火材料制成，并且层状颗粒的端部彼此冶金结合以减少复合材料的滞后损耗。 还公开了其制造方法。 该复合材料适用于交流应用的制造设备，如变压器，电机的定子和转子，发电机，交流发电机，现场集中器，扼流圈，继电器，机电执行器，同步分离器等。