Material failure time and the fiber bundle model with thermal noise
A. Guarino, R. Scorretti, S. Ciliberto
Abstract
The statistical properties of failure are studied in a fiber bundle model with thermal noise. We find that in agreement with recent experiments the macroscopic failure is produced by a thermal activation of microcracks. Most importantly the effective temperature of the system is amplified by the spatial disorder (heterogeneity) of the fiber bundle.
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