Title :
High temperature behaviour of FINEMET ribbons in the amorphous and in the nanocrystalline state
Author :
össinger, R. Gr ; Holzer, D. ; Kussbach, C. ; Sassik, H. ; Turtelli, R. Sato ; Sinnecker, J.P. ; Wittig, E.
Author_Institution :
Inst. fur Experimentalphys., Tech. Univ. Wien, Austria
fDate :
11/1/1995 12:00:00 AM
Abstract :
Fe73.5Cu1Nb3Si13.5B 9 ribbons were studied in the amorphous as well as in the nanocrystalline state. For characterizing the quenching rate, the disaccommodation and the temperature coefficient of the electrical resistivity were used. The temperature dependence of the coercivity in the amorphous state was analysed using a two-ion model. The temperature dependence of the coercivity in the nanocrystalline state shows a maximum above the ordering temperature of the amorphous matrix, which is related to the amount of nanocrystals
Keywords :
amorphous magnetic materials; boron alloys; coercive force; copper alloys; electrical resistivity; ferromagnetic materials; iron alloys; metallic glasses; nanostructured materials; niobium alloys; quenching (thermal); silicon alloys; FINEMET ribbons; Fe73.5Cu1Nb3Si13.5B 9; Fe73.5Cu1Nb3Si13.5B 9 ribbons; amorphous state; coercivity; disaccommodation; electrical resistivity temperature coefficient; high temperature behaviour; nanocrystalline state; ordering temperature; quenching rate; temperature dependence; two-ion model; Amorphous magnetic materials; Amorphous materials; Coercive force; Electric resistance; Magnetic field measurement; Magnetic properties; Pulse measurements; Soft magnetic materials; Temperature dependence; Toroidal magnetic fields;
Journal_Title :
Magnetics, IEEE Transactions on
