Structural investigation of the high-energy milled Fe–Si system

The binary Fe–Si powdered system (3 : 1 in atomic proportion) has been milled for different times in a planetary ball mill. The changes in microstructure of mechanochemical prepared samples were performed using XRD and Mössbauer spectroscopy. The alloying process was divided into three stages. The f...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 1999, Vol.203 (1), p.190-192
Main Authors: Števulová, N., Buchal, A., Petrovič, P., Tkáčová, K., Šepelák, V.
Format: Article
Language:English
Subjects:
Applied sciences
Cross-disciplinary physics: materials science
rheology
Disordered nanocrystalline materials
Exact sciences and technology
High-energy ball-milling
Materials science
Materials synthesis
materials processing
Mechanical alloying
Metal powders
Metals. Metallurgy
Physics
Powder metallurgy. Composite materials
Powder processing: powder metallurgy, compaction, sintering, mechanical alloying, and granulation
Production techniques
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Summary:The binary Fe–Si powdered system (3 : 1 in atomic proportion) has been milled for different times in a planetary ball mill. The changes in microstructure of mechanochemical prepared samples were performed using XRD and Mössbauer spectroscopy. The alloying process was divided into three stages. The first region is associated with the crystalline-to-amorphous phase transition of Si as well as with the introduction of defects into the more easily disturbed Fe particles. In the second region the large structural changes in BCC-Fe-lattice were observed, which indicated the partial formation of the solid solution. In the third region the mechanically induced ordering of Fe 3Si takes place.
ISSN:0304-8853
DOI:10.1016/S0304-8853(99)00224-3