Computer Science
Scientific paper
Feb 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hyint.161..191r&link_type=abstract
Hyperfine Interactions, Volume 161, Issue 1-4, pp. 191-195
Computer Science
Mechanical Alloying, MÖ, Ssbauer Spectra, X-Rays Diffraction
Scientific paper
In this work we report a comparative study of the magnetic and structural properties of Fe50Al50 alloys produced by mechanical alloying using two different planetary ball mills with the same ball mass to powder mass relation. The Fe50Al50 sample milled during 48 h using the Fritsch planetary ball mill pulverisette 5 and balls of 20 mm, presents only a bcc alloy phase with a majority of paramagnetic sites, whereas that sample milled during the same time using the Fritsch planetary ball mill pulverisette 7 with balls of 15 mm, presents a bcc alloy phase with paramagnetic site (doublet) and a majority of ferromagnetic sites which include pure Fe. However for 72 h of milling this sample presents a bcc paramagnetic phase, very similar to that prepared with the first system during 48 h. These results show that the conditions used in the first ball mill equipment make more efficient the milling process.
Bustos Rodríguez H.
Oyola Lozano D.
Pérez Alcázar G. A.
Rojas Martínez Y.
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