Avalanches in 2D dislocation systems: plastic yielding is not depinning
We study the properties of strain bursts (dislocation avalanches) occurring in two-
dimensional discrete dislocation dynamics models under quasistatic stress-controlled …
dimensional discrete dislocation dynamics models under quasistatic stress-controlled …
Simulations of dislocation structure and response
R LeSar - Annu. Rev. Condens. Matter Phys., 2014 - annualreviews.org
Despite 5,000 years of metals in technology and 80 years since dislocations were
postulated as the carriers of deformation, we still lack fundamental theories of dislocation …
postulated as the carriers of deformation, we still lack fundamental theories of dislocation …
Crackling noise in plasticity
Plastic deformation is a paradigmatic problem of multiscale materials modelling with
relevant processes ranging from the atomistic scale up to macroscopic scales where …
relevant processes ranging from the atomistic scale up to macroscopic scales where …
Rheology across the zero-temperature jamming transition
J Paredes, MAJ Michels, D Bonn - Physical review letters, 2013 - APS
Many soft-matter systems show a transition between fluidlike and mechanically solidlike
states when the volume fraction of the material, eg, particles, drops, or bubbles is increased …
states when the volume fraction of the material, eg, particles, drops, or bubbles is increased …
Coupled size and temperature effects on intermittent plasticity of BCC micro-crystals
The intermittent plasticity of pure Mo microcrystals with diameters from 500 to 3500 nm was
studied using micro-pillar compression methodology at temperatures ranging from 25° C to …
studied using micro-pillar compression methodology at temperatures ranging from 25° C to …
Quenched pinning and collective dislocation dynamics
M Ovaska, L Laurson, MJ Alava - Scientific reports, 2015 - nature.com
Several experiments show that crystalline solids deform in a bursty and intermittent fashion.
Power-law distributed strain bursts in compression experiments of micron-sized samples …
Power-law distributed strain bursts in compression experiments of micron-sized samples …
Universality class of nanocrystal plasticity: localization and self-organization in discrete dislocation dynamics
The universality class of the avalanche behavior in plastically deforming crystalline and
amorphous systems has been commonly discussed, despite the fact that the microscopic …
amorphous systems has been commonly discussed, despite the fact that the microscopic …
Statistics of dislocation avalanches in FCC and BCC metals: dislocation mechanisms and mean swept distances across microsample sizes and temperatures
Plastic deformation in crystalline materials consists of an ensemble of collective dislocation
glide processes, which lead to strain burst emissions in micro-scale samples. To unravel the …
glide processes, which lead to strain burst emissions in micro-scale samples. To unravel the …
Criticality of the zero-temperature jamming transition probed by self-propelled particles
We perform simulations of athermal systems of self-propelled particles (SPPs) interacting via
harmonic repulsion in the vicinity of the zero-temperature jamming transition at point J. Every …
harmonic repulsion in the vicinity of the zero-temperature jamming transition at point J. Every …
Universal rescaling of flow curves for yield-stress fluids close to jamming
M Dinkgreve, J Paredes, MAJ Michels, D Bonn - Physical Review E, 2015 - APS
The experimental flow curves of four different yield-stress fluids with different interparticle
interactions are studied near the jamming concentration. By appropriate scaling with the …
interactions are studied near the jamming concentration. By appropriate scaling with the …