EPJ Web of Conferences
Volume 40, 2013JEMS 2012 – Joint European Magnetic Symposia
|Number of page(s)||4|
|Section||Magnetic materials for energy applications (permanent magnets, magnetocalorics…)|
|Published online||14 January 2013|
Phase constitution, magnetic ordering and microstructure of the LaFe11.0Co0.8Si1.2 alloy
Institute of Physics, Częstochowa University of Technology, Al. Armii
Krajowej 19, 42-200 Częstochowa, Poland
2 Institute of Materials Engineering, Częstochowa University of Technology, Al. Armii Krajowej 19, 42-200 Częstochowa, Poland
Microstructure and phase constitution of the LaFe11.0Co0.8Si1.2 bulk and ribbon samples in as-cast state and after annealing, were studied. For both samples in as-cast state the dominant dendritic α-Fe phase was formed. Annealing of the samples resulted in homogenization of the microstructure and change of the phase constitution. The heat treatment resulted in development of almost single-phase of the NaZn13-type structure identified as LaFe11.0Co0.8Si1.2 with minor fraction of the α-Fe. The evolution of microstructure and phase constitution was verified by EDX analysis and Mössbauer spectroscopy.
© Owned by the authors, published by EDP Sciences, 2013
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