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6 papers · 2 filters
Origin of the Bauschinger Effect in Amorphous Solids
Sylvain Patinet, Armand Barbot, Matthias Lerbinger +2
We study the structural origin of the Bauschinger effect by accessing numerically the local plastic thresholds in the steady state flow of a two-dimensional model glass under ather…
Rejuvenation and Shear-Banding in model amorphous solids
Armand Barbot, Matthias Lerbinger, Anaël Lemaître +2
We measure the local yield stress, at the scale of small atomic regions, in a deeply quenched two-dimensional glass model undergoing shear banding in response to athermal quasistat…
Atomic nonaffinity as a predictor of plasticity in amorphous solids
Bin Xu, Michael L. Falk, Sylvain Patinet +1
Structural heterogeneity of amorphous solids present difficult challenges that stymie the prediction of plastic events, which are intimately connected to their mechanical behavior.…
A lower bound to the thermal diffusivity of insulators
Kamran Behnia, Aharon Kapitulnik
It has been known for decades that thermal conductivity of insulating crystals becomes proportional to the inverse of temperature when the latter is comparable to or higher than th…
Landau theory of crystal plasticity
R. Baggio, E. Arbib, P. Biscari +4
We show that nonlinear continuum elasticity can be effective in modeling plastic flows in crystals if it is viewed as Landau theory with an infinite number of equivalent energy wel…
Confined step-flow growth of Cu intercalated between graphene and a Ru(0001) surface
Nicolas Rougemaille, Sergio Vlaic, Lucia Aballe +2
By comparing the growth of Cu thin films on bare and graphene-covered Ru(0001) surfaces, we demonstrate the role of graphene as a surfactant allowing the formation of flat Cu films…