Title:
THIN AMORPHOUS IRON ALLOY STRIP
Document Type and Number:
WIPO Patent Application WO/2015/016161
Kind Code:
A1
Abstract:
A high-magnetic-flux-density and low-iron-loss Fe-B-Si-based thin amorphous alloy strip having a component composition that is represented by the chemical formula FexBySiz(where x: 78-83 at%; y: 8-15 at%; and z: 6-13 at%) and that preferably also contains 0.2-1 at% of Cr and/or 0.2-2 at% of Mn and further preferably also contains one or more substances selected from 0.2-2 at% of C, 0.2-2 at% of P, 0.2-1 at% of Sn, and 0.2-1 at% of Sb. The number of air pockets in a surface in contact with a cooling roll is 8/mm2 or less and the average length in the roll circumferential direction is 0.5 mm or less.
Inventors:
OKABE SEIJI (JP)
SHIGA NOBUO (JP)
IMAMURA TAKESHI (JP)
SHIGA NOBUO (JP)
IMAMURA TAKESHI (JP)
Application Number:
PCT/JP2014/069775
Publication Date:
February 05, 2015
Filing Date:
July 28, 2014
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C22C45/02; B22D11/06; H01F1/153
Foreign References:
| JP2000054089A | 2000-02-22 | |||
| JPH06269907A | 1994-09-27 | |||
| JP2002205148A | 2002-07-23 | |||
| JPS58358A | 1983-01-05 | |||
| JPS60228648A | 1985-11-13 |
Attorney, Agent or Firm:
GINZA MARONIE P. C. (JP)
Patent business corporation Ginza horse chestnut patent firm (JP)
Patent business corporation Ginza horse chestnut patent firm (JP)
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