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2002 | 102 | 2 | 253-258
Article title

Structure and Magnetic Properties of Nanocrystalline Fe-Mo Alloys Prepared by Mechanosynthesis

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EN
Abstracts
EN
Nanocrystalline samples of Fe_{80}Mo_{20} and Fe_{50}Mo_{50} alloys were prepared by the mechanical milling method. The structure, lattice parameters, and crystallite size were determined by the X-ray diffraction. The magnetic properties of the milled products were determined by the M"ossbauer spectroscopy. It was observed that in the case of the Fe_{80}Mo_{20} alloy a solid solution of Mo in Fe was formed with the lattice parameters of Fe increasing from 0.28659 nm to 0.29240 nm and the crystallite size decreasing from 250 nm to 20 nm. In the case of the Fe_{50}Mo_{50} alloy there were no clear changes in values of the lattice parameters of Fe and Mo during the milling process, but the crystallite size decreased from 200 nm to 15 nm. Mössbauer spectra revealed different magnetic phases in the mechanosynthesized Fe-Mo samples. In the case of the Fe_{80}Mo_{20} alloy, the spectrum for the milled mixture indicated the formation of a solid solution. In contrast, for the Fe_{50}Mo_{50} the spectrum indicated the disappearance of the ferromagnetic phase.
Keywords
Publisher

Year
Volume
102
Issue
2
Pages
253-258
Physical description
Dates
published
2002-08
received
2001-09-23
Contributors
author
  • Institute of Physics and Chemistry of Metals, University of Silesia, Bankowa 12, 40-007 Katowice, Poland
author
  • Department of Experimental Physics, Institute of Physics, Technical University of Lublin, Nadbystrzycka 38, 20-618 Lublin, Poland
author
  • Warsaw University of Technology, Department of Materials Science and Engineering, Wołoska 141, 02-507 Warsaw, Poland
References
  • 1. H. Toraya, J. Appl. Crystallogr., 19, 440, 1986
  • 2. G.K. Williamson, W.H. Hall, Acta Metallogr., 1, 22, 1953
  • 3. H. Rietveld, J. Appl. Crystallogr., 2, 65, 1969
  • 4. E. Young, C.N.J. Wagner, M.S. Boldrick, Key Eng. Mater., 81-83, 663, 1993
  • 5. J. Hesse, A. Rubartsch, J. Phys. E, Sci. Instrum., 7, 526, 1974
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv102n210kz
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