Radial distribution of internal stresses in as-quenched FeCoSiB amorphous wire analyzed through giant magnetoimpedance

The dependence of the giant magnetoimpedance effect on both the applied tensile stress and skin depth is employed to estimate the average of the frozen-in stresses within a Co-based amorphous wire fabricated by the in-rotating water quenching technique. In order to estimate the average stress in dif...

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Bibliographic Details
Published in:	Physica. B, Condensed matter Vol. 384; no. 1; pp. 158 - 161
Main Authors:	Canola, D.B., Duque, J.G.S., Knobel, M.
Format:	Journal Article Conference Proceeding
Language:	English
Published:	Amsterdam Elsevier B.V 01-10-2006 Elsevier
Subjects:	Amorphous wires Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Giant magnetoresistance Internal stress Magnetic properties and materials Magnetoimpedance Magnetotransport phenomena, materials for magnetotransport Physics 75.60.Ej 75.60.Nt Amorphous wires Internal stress 72.15.Gd 75.50.Kj Magnetoimpedance Water quenching Iron alloys Giant magnetoresistance Amorphous state Skin effect Tensile stress Internal stresses Stress distribution Anisotropy Stress effects Magnetoelastic effects Transition element alloys
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Summary:	The dependence of the giant magnetoimpedance effect on both the applied tensile stress and skin depth is employed to estimate the average of the frozen-in stresses within a Co-based amorphous wire fabricated by the in-rotating water quenching technique. In order to estimate the average stress in different regions of the wire (cylindrical shells), selected frequencies of the driving current were applied, which give rise to different effective skin depths. Experimental results display a continuous increase of the frozen-in stresses from the centre to the surface of the wire, confirming that the fabrication process indeed introduces a radial magnetoelastic anisotropy distribution.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0921-4526 1873-2135
DOI:	10.1016/j.physb.2006.05.212