DISTRIBUTIONS OF AVALANCHES IN MARTENSITIC TRANSFORMATIONS

被引:200
作者
VIVES, E
ORTIN, J
MANOSA, L
RAFOLS, I
PEREZMAGRANE, R
PLANES, A
机构
[1] Departament d'Estructura I Constituents de la Matèria, Facultat de Física, Universitat de Barcelona, E-08028 Barcelona, Catalonia
关键词
D O I
10.1103/PhysRevLett.72.1694
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
An experimental study of the acoustic emission generated during a martensitic transformation is presented. A statistical analysis of the amplitude and lifetime of a large number of signals has revealed power-law behavior for both magnitudes. The exponents of these distributions have been evaluated and, through independent measurements of the statistical lifetime to amplitude dependence, we have checked the scaling relation between the exponents. Our results are discussed in terms of current ideas on avalanche dynamics.
引用
收藏
页码:1694 / 1697
页数:4
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