Measurement of field-dependence elastic modulus of iron-gallium alloy using tensile test

An experimental approach is used to identify Galfenol material properties under dc magnetic bias fields. Dog-bone-shaped specimens of single crystal Fe 100 − x Ga x , where 18.6 ⩽ x ⩽ 33.2 , underwent tensile testing along two crystallographic axis orientations, [110] and [100]. Young's modulus...

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Bibliographic Details
Published in:Journal of applied physics 2005-05, Vol.97 (10), p.10M318-10M318-3
Main Authors: Yoo, Jin-Hyeong, Flatau, Alison B.
Format: Article
Language:English
Subjects:
BINARY ALLOY SYSTEMS
CRYSTALLOGRAPHY
FERROMAGNETIC MATERIALS
GALLIUM ALLOYS
IRON ALLOYS
MAGNETIC FIELDS
MATERIALS SCIENCE
MONOCRYSTALS
ORIENTATION
POISSON RATIO
STOICHIOMETRY
TESTING
YOUNG MODULUS
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Summary:An experimental approach is used to identify Galfenol material properties under dc magnetic bias fields. Dog-bone-shaped specimens of single crystal Fe 100 − x Ga x , where 18.6 ⩽ x ⩽ 33.2 , underwent tensile testing along two crystallographic axis orientations, [110] and [100]. Young's modulus and Poisson's ratio sensitivity to magnetic fields and stoichiometry are investigated. Data are presented that demonstrate the dependence of these properties on applied magnetic-field levels and provide a substantial assessment of the trends in material properties for performance of alloys of different stoichiometries under varied operating conditions.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1857392