Title:
非晶質軟磁性合金粉末及びそれを用いた圧粉コアと電波吸収体
Document Type and Number:
Japanese Patent JP4562022
Kind Code:
B2
Abstract:
An amorphous soft magnetic alloy powder which is produced by a water atomization method is provided. The powder contains an amorphous phase having a temperature interval DeltaTx of a supercooled liquid of 20K or more; having a hardness Hv of 1000 or less; is provided with a layer with a high concentration of Si at a surface portion thereof; and being represented by the following composition formula: Fe100-a-b-x-y-z-w-tCOaNibMxPyCzBwSit And M is one or two or more elements selected from Cr, Mo, W, V, Nb, Ta, Ti, Zr, Hf, Pt, Pd, and Au.
Inventors:
Hisato Koshiba
Hideki
Yutaka Naito
Takao Mizushima
Hideki
Yutaka Naito
Takao Mizushima
Application Number:
JP2004126784A
Publication Date:
October 13, 2010
Filing Date:
April 22, 2004
Export Citation:
Assignee:
Alps Green Device Co., Ltd.
International Classes:
B22F9/08; C22C45/02; B22F3/00; H01F1/153; H01F1/20; H01F1/26; H01F3/08; H01F41/02
Domestic Patent References:
| JP2002226956A | ||||
| JP2004022814A | ||||
| JP2003105403A | ||||
| JP2001303111A |