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2017 | 131 | 4 | 881-883

Article title

Structure of Melt-Spun Co₂MnAl Heusler Alloy

Content

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Languages of publication

EN

Abstracts

EN
The growth-related microstructure and texture of the Co₂MnAl-type Heusler alloy in the form of a melt-spun ribbon was studied by electron microscopy, electron backscattered diffraction and X-ray diffraction. It is shown that melt spinning produces a single-phase disordered Heusler alloy. The fine grain structure at the wheel side of the ribbon exhibits no texture, while dominant columnar grain structure formed on the free surface side exhibits the ⟨111⟩ fibre texture with a declination by about 10 degrees in the spinning direction. The dendritic growth of columnar crystals causes inhomogeneity of the chemical composition on a micrometre scale with a higher Co and Al concentration in the centre of dendritic arms and a higher concentration of Mn at the dendrite arm boundaries.

Keywords

EN

Contributors

author
  • Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovakia
author
  • Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovakia
  • Institute of Experimental Physics, Slovak Academy of Sciences, Watsonova 47, 040 01 Košice, Slovakia
author
  • Institute of Physics, Faculty of Sciences, P.J. Šafárik University, Park Angelinum 9, 040 01 Košice, Slovakia
author
  • Institute of Chemistry, Faculty of Sciences, P.J. Šafárik University, Moyzesova 11, 040 01 Košice, Slovakia
author
  • Institute of Physics, Faculty of Sciences, P.J. Šafárik University, Park Angelinum 9, 040 01 Košice, Slovakia

References

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  • [3] J.L. Sánchez Llamazares, T. Sanchez, J.D. Santos, M.J. Pérez, M.L. Sanchez, B. Hernando, Ll. Escoda, J.J. Suñol, R. Varga, Appl. Phys. Lett. 92, 012513 (2008), doi: 10.1063/1.2827179
  • [4] S. Wurmehl, M.C.M. Alves, J. Morais, V. Ksenofontov, S.R. Teixeira, G. Machado, G.H. Fecher, C. Felser, J. Phys. D Appl. Phys. 40, 1524 (2007), doi: 10.1088/0022-3727/40/6/S02
  • [5] T. Goryczka, J. Lelatko, B. Górka-Kostrubiec, P. Ochin, H. Morawiec, Eur. Phys. J. Spec. Top. 158, 131 (2008), doi: 10.1140/epjst/e2008-00665-3
  • [6] C. Herrera, N.B. de Lima, A.M. Kliauga, A.F. Padilha, Mater. Character. 59, 79 (2008), doi: 10.1016/j.matchar.2006.10.022

Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.bwnjournal-article-appv131n4089kz
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