ALPHA-]OMEGA PHASE-TRANSFORMATION INDUCED IN TITANIUM DURING ION IRRADIATIONS IN THE ELECTRONIC SLOWING-DOWN REGIME

Authors
DAMMAK H BARBU A DUNLOP A LESUEUR D LORENZELLI N
Citation
H. Dammak et al., ALPHA-]OMEGA PHASE-TRANSFORMATION INDUCED IN TITANIUM DURING ION IRRADIATIONS IN THE ELECTRONIC SLOWING-DOWN REGIME, Philosophical magazine letters, 67(4), 1993, pp. 253-259
Citations number
15
Categorie Soggetti
Physics, Condensed Matter
Journal title
Philosophical magazine letters → ACNP
ISSN journal
09500839
Volume
67
Issue
4
Year of publication
1993
Pages
253 - 259
Database
ISI
SICI code
0950-0839(1993)67:4<253:APIITD>2.0.ZU;2-K
Abstract
This letter shows that the displacive phase transformation from the h. c.p. alpha-phase to the hexagonal omega-phase can be triggered in tita nium targets in an unusual way during swift heavy ion irradiations(dag ger). This unexpected result is a consequence of the high level of ene rgy deposition in electronic excitation. A model based on the Coulomb explosion mechanism can account for such a phase transformation.