Magnetostriction measurements of metallic glass ribbon by fiber-optic Mach–Zehnder interferometry

Magnetostriction of a metallic glass ribbon METGLAS 2826MB was measured by fiber-optic Mach–Zehnder interferometry. The saturation magnetostriction obtained in this work is well matched within 10% with reported value. Two passes of fibers in the part of sensing arm were bonded to a single-layer meta...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 1999, Vol.191 (1), p.107-112
Main Authors: Kim, Min Hyoung, Lee, Kyung Shik, Lim, Sang Ho
Format: Article
Language:English
Subjects:
Amorphous and nanocrystalline magnetic materials
quasicrystals
Amorphous and quasicrystalline magnetic materials
Amorphous ribbon
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic properties and materials
Magnetomechanical and magnetoelectric effects, magnetostriction
Magnetometers
Magnetostriction
Metals. Metallurgy
Optical fiber interferometers
Optical fiber sensor
Physics
Studies of specific magnetic materials
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Summary:Magnetostriction of a metallic glass ribbon METGLAS 2826MB was measured by fiber-optic Mach–Zehnder interferometry. The saturation magnetostriction obtained in this work is well matched within 10% with reported value. Two passes of fibers in the part of sensing arm were bonded to a single-layer metallic ribbon. For an accurate measurement, (1) the ribbon was flattened before bonding, (2) the protective outer layer of the fibers was uncoated and (3) calibration was routinely made before each measurement. Various factors affecting the accuracy of the measurements were also discussed.
ISSN:0304-8853
DOI:10.1016/S0304-8853(98)00310-2