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Title:
SOFT MAGNETIC METALLIC GLASS ALLOY
Document Type and Number:
WIPO Patent Application WO/2003/074749
Kind Code:
A1
Abstract:
A soft magnetic Fe-B-Si metallic glass alloy of high glass forming capability characterized by being represented by the following composition formula and exhibiting a supercooled liquid temperature gap (&Dgr Tχ) of 40 K or higher, a reduced vitrification temperature (Tg/Tm) of 0.56 or higher and a saturation magnetization of 1.4 T or higher. (Fe1-a-bBaSib)100-χMχ wherein each of a and b represents an atomic ratio; 0.1 ≤ a ≤ 0.17; 0.06 ≤ b ≤ 0.15; 0.18 ≤ a+b ≤ 0.3; M represents at least one element selected from among Zr, Nb, Ta, Hf, Mo, Ti, V, Cr, Pd and W; and 1 atomic% ≤ χ ≤ 10 atomic%.

Inventors:
Inoue, Akihisa (11-806, Kawauchi-Jyutaku 35, Kawauchi Motohasekura, Aoba-k, Sendai-shi Miyagi, 980-0861, JP)
Application Number:
PCT/JP2003/002257
Publication Date:
September 12, 2003
Filing Date:
February 27, 2003
Export Citation:
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Assignee:
JAPAN SCIENCE AND TECHNOLOGY AGENCY (1-8 Honcho 4-chome, Kawaguchi-shi, Saitama, 332-0012, JP)
Inoue, Akihisa (11-806, Kawauchi-Jyutaku 35, Kawauchi Motohasekura, Aoba-k, Sendai-shi Miyagi, 980-0861, JP)
International Classes:
C22C45/02; C22C33/00; C22C45/04; H01F1/14; H01F1/153; (IPC1-7): C22C45/02; H01F1/14
Attorney, Agent or Firm:
Nishi, Yoshiyuki (Nishi Patent Office, Suite 211 26-32, Nakahara 4-chome, Isogo-k, Yokohama-shi Kanagawa, 235-0036, JP)
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