Journal
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Abstracts
In this paper the investigations of the ordering, microstructure and magnetomechanical properties of the Fe_{80}Ga_{20} alloy and its composites are presented. The composites consisted of the Fe-Ga particles with a size distribution in the range between 20 and 50 μm. These particles were produced by blade-milling of arc-melted alloy. After milling the powders were annealed at 723 K for 2.5, 7.5, and 12.5 h. The epoxy-bonded composites in rectangular shape were made from the as-cast as well as from the annealed powders. The Mössbauer spectroscopy studies revealed that the as-cast alloy is completely disordered. After annealing at 723 K the long range atomic order appeared. It was stated that the best magnetoelastic properties were exhibited by composites made from ferromagnetic particles obtained from the as-cast alloy. The measured saturation magnetostriction was λ_s= 70× 10^{-6} for the bulk alloy and λ_s=100× 10^{-6} for composite.
Discipline
- 81.40.Ef: Cold working, work hardening; annealing, post-deformation annealing, quenching, tempering recovery, and crystallization
- 76.80.+y: Mössbauer effect; other γ-ray spectroscopy(see also 33.45.+x Mössbauer spectra—in atomic and molecular physics; for biophysical applications, see 87.64.kx; for chemical analysis applications, see 82.80.Ej)
- 75.80.+q: Magnetomechanical effects, magnetostriction(for magnetostrictive devices, see 85.70.Ec)
- 75.50.Bb: Fe and its alloys
- 83.80.Ab: Solids: e.g., composites, glasses, semicrystalline polymers
Journal
Year
Volume
Issue
Pages
1537-1543
Physical description
Dates
published
2008-12
Contributors
author
- School of Environment and Technology, University of Brighton, Lewes Road, BN2 4GJ Brighton, United Kingdom
author
- Institute of Physics, Częstochowa University of Technology, al. Armii Krajowej 19, 42-200 Częstochowa, Poland
author
- School of Environment and Technology, University of Brighton, Lewes Road, BN2 4GJ Brighton, United Kingdom
author
- Institute of Physics, Częstochowa University of Technology, al. Armii Krajowej 19, 42-200 Częstochowa, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv114n608kz