Crackling noise in paper peeling

Details Crackling noise in paper peeling Crackling noise in paper peeling

2006-01-11

arxiv.org/abs/cond-mat/0601238v1

Europhys. Lett. 73, 55 (2006)

Physics

Condensed Matter

Disordered Systems and Neural Networks

one separate figure

Scientific paper

10.1209/epl/i2005-10365-x

Acoustic emission or crackling noise is measured from an experiment on splitting or peeling of paper. The energy of the events follows a power-law, with an exponent $\beta \sim 1.8\pm 0.2$. The event intervals have a wide range, but superposed on scale-free statistics there is a time-scale, related to the typical spatial scale of the microstructure (a bond between two fibers). Since the peeling takes place via steady-state crack propagation, correlations can be studied with ease and shown to exist in the series of acoustic events.

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