C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 38/54 (2006.01) C22C 45/00 (2006.01) H01F 1/153 (2006.01)
Patent
CA 2104211
2104211 9215998 PCTABS00016 Fe-Ni based soft magnetic alloys having nanocrystalline particles substantially uniformly distributed throughout an amorphous matrix are disclosed. The soft magnetic alloys of the present invention may be represented by general formula: (FE1-xNix)aMb(B1-ySiy)c, where M is a metal chosen from the group consisting of Mo, Cr, Hf, Nb, Ta, Ti, V, W, Zr. The quantity "x" is between about 0.2 and about 0.9; a is between about 60 and 90; b is between about 0.1 and 10; y is between 0 and 0.5; and c is between about 0.1 and about 30, with the stipulation that all the elements, plus impurities, add up to 100. Also described is a process for making the nanocrystalline alloys and for optimizing certain magnetic properties of said alloys via a two step anneal.
Alliedsignal Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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