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Title: Experimental evidences for universality of acoustic emission avalanche distributions during structural transitions
Author: Carrillo Galdó, Lluís
Mañosa, Lluís
Ortín, Jordi, 1959-
Planes Vila, Antoni
Vives i Santa-Eulàlia, Eduard
Keywords: Equacions d'estat
Ciència dels materials
Transformacions de fase (Física estadística)
Equations of state
Materials science
Phase transformations (Statistical physics)
Issue Date: 1998
Publisher: American Physical Society
Abstract: Acoustic emission avalanche distributions are studied in different alloy systems that exhibit a phase transition from a bcc to a close-packed structure. After a small number of thermal cycles through the transition, the distributions become critically stable (exhibit power-law behavior) and can be characterized by an exponent alpha. The values of alpha can be classified into universality classes, which depend exclusively on the symmetry of the resulting close-packed structure.
Note: Reproducció digital del document publicat en format paper, proporcionada per APS i
It is part of: Physical Review Letters, 1998, vol. 81, núm. 9, p. 1889-1892
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ISSN: 0031-9007
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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