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Time-dependent damage evolution and failure in materials.mI.mTheory

1997
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Physical Review B (Condensed Matter)
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Damage evolution and time-to-failure are investigated for a model material in which damage formation is a stochastic event. Specifically, the probability of failure at any site at time t is proportional to i (t) , where i (t) is the local stress at site i at time t and differs from the applied stress because of the stress redistribution from prior damage. An analytic model of the damage process predicts two regimes of failure: percolationlike failure for р2 and "avalanche" failure for Ͼ2. In

doi:10.1103/physrevb.55.12038
fatcat:knevyqrcs5hr7a5yolvzknps74