公开(公告)号：US20110284794A1

公开(公告)日：2011-11-24

申请号：US13143689

申请日：2010-03-02

申请人： Masaki Sugiyama ,  Toshiya Yamaguchi ,  Shouta Ohira

发明人： Masaki Sugiyama ,  Toshiya Yamaguchi ,  Shouta Ohira

IPC分类号： H01F1/08 ,  B05C5/00 ,  B05C11/00 ,  B05D5/12

CPC分类号： B22F1/02 ,  B22F3/003 ,  B22F2999/00 ,  C22C33/0271 ,  C22C2202/02 ,  F27B7/16 ,  F27B7/34 ,  F27B7/42 ,  F27D11/06 ,  F27D2099/0015 ,  Y02P10/253 ,  B22F2202/05 ,  B22F2202/00 ,  B22F2201/00

摘要： To provide a method of manufacturing a powder for dust core capable of preventing generation of secondary particles during a siliconizing treatment and improving quality and productivity of the powder for dust core, a dust core made of the powder for dust core manufactured by the method, and an apparatus for manufacturing the powder for dust core, of a powder mixture comprising a soft magnetic metal powder and a powder for siliconizing including silicon dioxide, only the soft magnetic metal powder is heated by induction heating to transmit heat from the surface of the soft magnetic metal powder to the powder for siliconizing, thereby releasing a silicon element from the powder for siliconizing and diffusing and impregnating the silicon element into the surface of the soft magnetic metal powder to form a silicon impregnated layer.

摘要翻译： 本发明提供一种能够防止在硅化处理期间产生二次粒子的粉尘芯粉的制造方法，提高粉芯的粉末的质量和生产率的方法，由该方法制造的粉芯的粉芯，以及 包括软磁性金属粉末和包含二氧化硅的硅化粉末的粉末混合物的制造用于防尘芯的粉末的装置，仅通过感应加热来加热软磁性金属粉末，以从软磁性表面传递热量 金属粉末用于硅化粉末，由此从粉末中释放出硅元素用于硅化，并将硅元素扩散并浸渍到软磁性金属粉末的表面中以形成硅浸渍层。