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Dynamic fracture model for acoustic emission

Minozzi, Manuela and Caldarelli, Guido and Pietronero, Luciano and Zapperi, Stefano Dynamic fracture model for acoustic emission. The European Physical Journal B - Condensed Matter, 36 (2). pp. 203-207. ISSN 1434-6028 (2003)

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We study the acoustic emission produced by micro-cracks using a two-dimensional disordered lattice model of dynamic fracture, which allows to relate the acoustic response to the internal damage of the sample. We find that the distributions of acoustic energy bursts decays as a power law in agreement with experimental observations. The scaling exponents measured in the present dynamic model can related to those obtained in the quasi-static random fuse model.

Item Type: Article
Identification Number: 10.1140/epjb/e2003-00336-7
Uncontrolled Keywords: PACS: 62.65. + k Acoustical properties of solids - 46.50. + a Fracture mechanics, fatigue and cracks
Subjects: Q Science > QC Physics
Research Area: Economics and Institutional Change
Depositing User: Ms T. Iannizzi
Date Deposited: 15 Feb 2012 16:22
Last Modified: 20 Nov 2013 14:28
URI: http://eprints.imtlucca.it/id/eprint/1129

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