Search Results - "Yamakov, V."

Deformation of nanocrystalline materials by molecular-dynamics simulation: relationship to experiments? by Wolf, D., Yamakov, V., Phillpot, S.R., Mukherjee, A., Gleiter, H.

“…We review the results of recent molecular-dynamics simulations of the structure and deformation behavior of nanocrystalline materials, i.e., polycrystalline…”
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Deformation-mechanism map for nanocrystalline metals by molecular-dynamics simulation by Wolf, D, Yamakov, V, Phillpot, S. R, Mukherjee, A. K, Gleiter, H

“…Molecular-dynamics simulations have recently been used to elucidate the transition with decreasing grain size from a dislocation-based to a…”
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Molecular-dynamics simulation-based cohesive zone representation of intergranular fracture processes in aluminum by Yamakov, V., Saether, E., Phillips, D.R., Glaessgen, E.H.

“…A traction–displacement relationship that may be embedded into a cohesive zone model for microscale problems of intergranular fracture is extracted from…”
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Deformation twinning in nanocrystalline Al by molecular-dynamics simulation by Yamakov, V., Wolf, D., Phillpot, S.R., Gleiter, H.

“…We use a recently developed, massively parallel molecular-dynamics code for the simulation of polycrystal plasticity to elucidate the intricate interplay…”
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Grain-boundary diffusion creep in nanocrystalline palladium by molecular-dynamics simulation by Yamakov, V., Wolf, D., Phillpot, S.R., Gleiter, H.

“…Molecular-dynamics (MD) simulations of fully three-dimensional (3D), model nanocrystalline face-centered cubic metal microstructures are used to study…”
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Dislocation–dislocation and dislocation–twin reactions in nanocrystalline Al by molecular dynamics simulation by Yamakov, V., Wolf, D., Phillpot, S.R., Gleiter, H.

“…We use massively parallel molecular dynamics simulations of polycrystal plasticity to elucidate the intricate dislocation dynamics that evolves during the…”
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Length-scale effects in the nucleation of extended dislocations in nanocrystalline Al by molecular-dynamics simulation by Yamakov, V., Wolf, D., Salazar, M., Phillpot, S.R., Gleiter, H.

“…The nucleation of extended dislocations from the grain boundaries in nanocrystalline aluminum is studied by molecular-dynamics simulation. The length of the…”
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Validating grain size analysis from X-ray line broadening: A virtual experiment by Markmann, J., Yamakov, V., Weissmüller, J.

“…We inspect the accuracy of a standard analysis, here a Williamson–Hall variant, for determining the grain size and microstrain of nanocrystalline samples by…”
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Dislocation processes in the deformation of nanocrystalline aluminium by molecular-dynamics simulation by Yamakov, Vesselin, Wolf, Dieter, Phillpot, Simon R, Mukherjee, Amiya K, Gleiter, Herbert

“…The mechanical behaviour of nanocrystalline materials (that is, polycrystals with a grain size of less than 100 nm) remains controversial. Although it is…”
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Investigation of crack tip dislocation emission in aluminum using multiscale molecular dynamics simulation and continuum modeling by Yamakov, V.I., Warner, D.H., Zamora, R.J., Saether, E., Curtin, W.A., Glaessgen, E.H.

“…This work investigates the dislocation nucleation processes that occur at the tip of a crack in aluminum under a broad range of crystallographic orientations…”
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An embedded statistical method for coupling molecular dynamics and finite element analyses by Saether, E., Yamakov, V., Glaessgen, E. H.

“…The coupling of molecular dynamics (MD) simulations with finite element methods (FEM) yields computationally efficient models that link fundamental material…”
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Stress-enhanced grain growth in a nanocrystalline material by molecular-dynamics simulation by Haslam, A.J., Moldovan, D., Yamakov, V., Wolf, D., Phillpot, S.R., Gleiter, H.

“…Molecular-dynamics simulations are used to elucidate the coupling between grain growth and grain-boundary diffusion creep in a polycrystal consisting of 25…”
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Multiscale modeling of sensory properties of Co–Ni–Al shape memory particles embedded in an Al metal matrix by Yamakov, V, Hochhalter, J. D, Leser, W. P, Warner, J. E, Newman, J. A, Purja Pun, G. P, Mishin, Y

“…The concept of utilizing ferromagnetic shape memory alloys as embedded sensory particles in aluminum alloys for damage detection is discussed. When embedded in…”
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Multiscale modeling of intergranular fracture in aluminum: constitutive relation for interface debonding by Yamakov, V., Saether, E., Glaessgen, E. H.

“…Intergranular fracture is a dominant mode of failure in ultrafine grained materials. In the present study, the atomistic mechanisms of grain-boundary debonding…”
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Relation between grain growth and grain-boundary diffusion in a pure material by molecular dynamics simulations by Yamakov, V., Moldovan, D., Rastogi, K., Wolf, D.

“…Traditionally, due to the impurities inevitably present in real materials that limit the grain-boundary (GB) mobility, the processes of grain growth and GB…”
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Deformation mechanism crossover and mechanical behaviour in nanocrystalline materials by Yamakov, V., Wolf, D., Phillpot, S. R., Mukherjee, A. K., Gleiter, H.

“…We use molecular dynamics simulations to elucidate the transition with decreasing grain size from a dislocation- to a grain-boundary-based deformation…”
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The electrostatic persistence length of polymers beyond the OSF limit by Everaers, R, Milchev, A, Yamakov, V

“…We use large-scale Monte Carlo simulations to test scaling theories for the electrostatic persistence length l(e) of isolated, uniformly charged polymers with…”
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Dynamics of nanoscale grain-boundary decohesion in aluminum by molecular-dynamics simulation by Yamakov, V, Saether, E, Phillips, D R, Glaessgen, E H

“…The dynamics and energetics of intergranular crack growth along a flat grain boundary in aluminum is studied by a molecular-dynamics simulation model for crack…”
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Effects of grain growth on grain-boundary diffusion creep by molecular-dynamics simulation by Haslam, A.J., Yamakov, V., Moldovan, D., Wolf, D., Phillpot, S.R., Gleiter, H.

“…Molecular-dynamics simulations are used to elucidate the effects of grain growth on grain-boundary diffusion creep and grain-boundary sliding during…”
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Dynamic instability in intergranular fracture by YAMAKOV, V, SAETHER, E, PHILLIPS, D. R, GLAESSGEN, E. H

“…A molecular-dynamics model for crack propagation under steady-state conditions is used to study dynamic instabilities along a grain boundary in aluminum that…”
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