SHORT-RANGE ORDER OF QUASI-CRYSTALS AFTER BALL-MILLING

Authors
MIGLIERINI M NASU S
Citation
M. Miglierini et S. Nasu, SHORT-RANGE ORDER OF QUASI-CRYSTALS AFTER BALL-MILLING, Hyperfine interactions, 84(1-4), 1994, pp. 165-169
Citations number
4
Categorie Soggetti
Physics, Atomic, Molecular & Chemical","Physics, Nuclear","Physics, Condensed Matter
Journal title
Hyperfine interactions → ACNP
ISSN journal
03043843
Volume
84
Issue
1-4
Year of publication
1994
Pages
165 - 169
Database
ISI
SICI code
0304-3843(1994)84:1-4<165:SOOQAB>2.0.ZU;2-Y
Abstract
Thermodynamically stable icosahedral Al65Cu20Fe15 alloy is studied usi ng Fe-57 Mossbauer experiments. Its quasicrystalline structure is subj ected to a low energy process of mechanical grinding up to 800 hours. The influence of ball milling on the electric field gradient magnitude s is discussed using an analysis of the Mossbauer spectra to different fitting models. The presence of an amorphous phase which co-exists wi th the quasicrystalline one is revealed in the early stage of mechanic al grinding.