582 citations · 1.1k across the 24 of their papers we have counts for
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From Brittle to Ductile Fracture in Disordered Materials
Clara B. Picallo, Juan M. López, Stefano Zapperi +1
We introduce a lattice model able to describe damage and yielding in heterogeneous materials ranging from brittle to ductile ones. Ductile fracture surfaces, obtained when the syst…
Line creep in paper peeling
Jari Rosti, Juha Koivisto, Paola Traversa +3
The dynamics of a "peeling front" or an elastic line is studied under creep (constant load) conditions. Our experiments show an exponential dependence of the creep velocity on the…
Fracture size effects from disordered lattice models
Mikko J. Alava, Phani K. V. V. Nukala, Stefano Zapperi
We study size effects in the fracture strength of notched disordered samples using numerical simulations of lattice models for fracture. In particular, we consider the random fuse…
Dislocation interactions mediated by grain boundaries
Paolo Moretti, Lasse Laurson, Mikko J. Alava
The dynamics of dislocation assemblies in deforming crystals indicate the emergence of collective phenomena, intermittent fluctuations and strain avalanches. In polycrystalline mat…
Role of disorder in the size-scaling of material strength
Mikko J. Alava, Phani K. V. V. Nukala, Stefano Zapperi
We study the sample size dependence of the strength of disordered materials with a flaw, by numerical simulations of lattice models for fracture. We find a crossover between a regi…