Soft-hard magnetic composite wires obtained by a modified current annealing technique
作者:
J. P. Sinnecker,
P. Tiberto,
M. Va´zquez,
A. Hernando,
期刊:
Journal of Applied Physics
(AIP Available online 1997)
卷期:
Volume 82,
issue 11
页码: 5871-5873
ISSN:0021-8979
年代: 1997
DOI:10.1063/1.366456
出版商: AIP
数据来源: AIP
摘要:
A current annealing procedure is proposed. Heat sinks were positioned along the sample, while annealing with current, inducing tailored temperature profile along its axis.Fe77.5Si7.5B15amorphous wires were current annealed with this technique so that, magnetically soft and hard local regions develop. As a measure of this magnetic composite character, the coercivity profile was verified after annealing. Results are explained in terms of different power losses along the sample. Some possible applications as security labels of the annealed material are discussed. ©1997 American Institute of Physics.
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