Abstract
There is growing evidence for the complex, intermittent, and heterogeneous character of plastic flow. Here we report a three-dimensional mapping of dislocation avalanches during creep deformation of an ice crystal, from a multiple-transducers acoustic emission analysis. Correlation analysis shows that dislocation avalanches are spatially clustered according to a fractal pattern and that the closer in time two avalanches are, the larger the probability is that they will be closer in space. Such a space/time coupling may contribute to the self-organization of the avalanches into a clustered pattern.
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Dates
Type | When |
---|---|
Created | 22 years, 7 months ago (Jan. 2, 2003, 4:42 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 9, 2024, 11:23 p.m.) |
Indexed | 7 hours, 7 minutes ago (Sept. 2, 2025, 6:35 a.m.) |
Issued | 22 years, 7 months ago (Jan. 3, 2003) |
Published | 22 years, 7 months ago (Jan. 3, 2003) |
Published Print | 22 years, 7 months ago (Jan. 3, 2003) |
@article{Weiss_2003, title={Three-Dimensional Mapping of Dislocation Avalanches: Clustering and Space/Time Coupling}, volume={299}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1079312}, DOI={10.1126/science.1079312}, number={5603}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Weiss, Jérôme and Marsan, David}, year={2003}, month=jan, pages={89–92} }