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Statistical Properties of Fracture Precursors

Abstract : We present the data of a mode-I fracture experiment. The samples are broken under imposed pressure. The acoustic emission of microfractures before the breakup of the sample is registered. From the acoustic signals, the position of microfractures and the energy released are calculated. A measure of the clustering of microfractures yields information about the critical load. The statistics from energy measurements strongly suggest that the fracture can be viewed as a critical phenomenon; energy events are distributed in magnitude as a power law, and a critical exponent is found for the energy near fracture.
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Contributor : Ludovic Bellon Connect in order to contact the contributor
Submitted on : Tuesday, October 16, 2007 - 3:11:22 PM
Last modification on : Monday, November 30, 2020 - 12:24:01 PM

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Angel Garcimartin, Alessio Guarino, Ludovic Bellon, Sergio Ciliberto. Statistical Properties of Fracture Precursors. Physical Review Letters, American Physical Society, 1997, pp.3202-3205. ⟨10.1103/PhysRevLett.79.3202⟩. ⟨ensl-00179742⟩



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