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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Inoue, A. Itoi, T. Koshiba, H. Makino, A. |
| Copyright Year | 1965 |
| Abstract | New Fe-based and Co-based amorphous alloys with a high B concentration of 30 at% were formed in the (Fe,Co,Ni)/sub 62/Nb/sub 8/B/sub 30/ system. The amorphous alloys exhibit a wide supercooled liquid region (/spl Delta/T/sub x/) above 80 K before crystallization in the range of 5 to 40% Co and 0 to 10% Ni and the largest /spl Delta/T/sub x/ is 87 K for Fe/sub 52/Co/sub 10/Nb/sub 8/B/sub 30/. The Fe/sub 62-x/Co/sub x/Nb/sub 8/B/sub 30/ alloys exhibit good soft magnetic properties i.e., low coercive force (H/sub c/) of 2-3 A/m, high effective permeability (/spl mu//sub e/) of 20000-30000 at 1 kHz and low saturated magnetostriction (/spl lambda//sub s/) of 2-8/spl times/10 d. The high /spl mu//sub e/ characteristics are maintained in a higher frequency range and the highest /spl mu//sub e/ at 1 kHz is 7500 for Co/sub 40/Fe/sub 22/Nb/sub 8/B/sub 30/ with a high resistivity of 237 /spl mu//spl Omega/ cm. The finding of the (Fe,Co)/sub 62/Nb/sub 8/B/sub 30/ amorphous alloys exhibiting large /spl Delta/T/sub x/, good high-frequency permeability and high resistivity is encouraging the future development as a new soft magnetic materials. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 3355 |
| Ending Page | 3357 |
| Page Count | 3 |
| File Size | 266802 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 35 |
| Issue Number | 5 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1999-09-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Permeability Niobium alloys Amorphous materials Cobalt alloys Iron alloys Conductivity Nickel alloys Crystallization Magnetic properties Coercive force |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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