Title :
Processing and properties of soft magnetic Fe40Co40 P14B6 amorphous alloy
Author :
Hollmark, Martin ; Tkatch, V.I. ; Grishin, Alex ; Khartsev, S.I.
Author_Institution :
Dept. of Condensed Matter Phys., R. Inst. of Technol., Stockholm, Sweden
fDate :
7/1/2001 12:00:00 AM
Abstract :
The Fe40Co40P14B6 metallic alloy has been prepared in a glassy state by a melt-spinning process. The 15-25 μm thick as-quenched ribbons have superior soft magnetic properties compared with those of well-known Fe40Ni 40P14B6 glass: the saturation magnetization is about 1.45 T, coercive field 4.0 A/m @ 0.1 Hz, incremental magnetic permeability μmax~90000 @ 60 Hz and Curie temperature above 700 K. The crystallization temperature, determined by differential scanning calorimeter, is approximately 60 K higher than that for FeNi-based alloy, indicating the enhanced thermal stability of FeCo-glass
Keywords :
Curie temperature; amorphous magnetic materials; boron alloys; cobalt alloys; coercive force; crystallisation; differential scanning calorimetry; ferromagnetic materials; iron alloys; magnetic permeability; magnetisation; melt spinning; metallic glasses; phosphorus alloys; soft magnetic materials; thermal stability; Curie temperature; Fe40Co40P14B6; Fe40Co40P14B6 amorphous alloy; coercive field; crystallization temperature; differential scanning calorimetry; glassy ribbon; magnetic permeability; melt spinning; saturation magnetization; soft magnetic properties; thermal stability; Cobalt alloys; Crystallization; Glass; Iron alloys; Magnetic properties; Nickel alloys; Permeability; Saturation magnetization; Soft magnetic materials; Temperature;
Journal_Title :
Magnetics, IEEE Transactions on
