High permeability iron-based alloy

Details High permeability iron-based alloy High permeability iron-based alloy

1994-01-07

1995-11-14

Wyszomierski, George

Stock material or miscellaneous articles

All metal or with adjacent metals

Having magnetic properties, or preformed fiber orientation...

428694MT, 428694XS, 428694T, 428694TM, 148306, G11B 5706

Patent

active

054665396

ABSTRACT:
A high permeability Fe-based alloy having a composition of (Fe.sub.a M.sub.100-a).sub.100-b X.sub.b, wherein M represents at least one element selected from a group consisting of Nb, Zr, Ta, Hf, Ti, V, and Si, and X represents hydrogen or oxygen. The letters a and b represent atomic percentages, wherein preferably 85<=a<=97 and 4<=b<=10. In the preferred embodiment, the alloy comprises a nano-scale alpha-Fe crystalline phase having a grain size of less than 20 nm.

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Y. Yoshizawa et al., "Fe Based Soft Magnetic Alloys Composed of Ultrafine Grain Structure", J. Japan Inst. Metals, vol. 53, 1989, pp. 241-248.
K. Nakanishi et al., "Magnetic Properties of Fe-X-N (Z=Zr, Hf,Nb,Ta) Films", J. Mag. Soc. Japan, vol. 15, 1991, pp. 371-374.
N. Hasegawa et al., "Carbide-dispersed Nanocrystalline Soft Magnetic Films", Bull. Japan Inst. Metals, vol. 30(8), 1991, pp. 685-694.
A. Kojima et al., Japan Inst. Metals Spring Meeting Abstract, 1992, 4, p. 187.

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