Search Results - "Osetsky, Yu. N"

Impact of Short-Range Forces on Defect Production from High-Energy Collisions by Stoller, R. E, Tamm, A, Béland, L. K, Samolyuk, G. D, Stocks, G. M, Caro, A, Slipchenko, L. V, Osetsky, Yu. N, Aabloo, A, Klintenberg, M, Wang, Y

“…Primary radiation damage formation in solid materials typically involves collisions between atoms that have up to a few hundred keV of kinetic energy. During…”
Get full text

An atomistic assessment of helium behavior in iron by Stoller, R.E., Osetsky, Yu.N.

“…High helium generation rates in irradiated materials leads to the formation of small He-vacancy clusters that can evolve into larger bubbles and voids. An…”
Get full text

Simulation of the interaction between an edge dislocation and a 〈1 0 0〉 interstitial dislocation loop in α-iron by Terentyev, D., Grammatikopoulos, P., Bacon, D.J., Osetsky, Yu. N.

“…Atomic-level simulations are used to investigate the interaction of an edge dislocation with 〈1 0 0〉 interstitial dislocation loops in α-iron at 300 K…”
Get full text

Computer simulation of carbon diffusion and vacancy–carbon interaction in α-iron by Tapasa, K., Barashev, A.V., Bacon, D.J., Osetsky, Yu.N.

“…Static and dynamic properties of the interstitial carbon atom and vacancy–carbon atom complexes in α-iron are modelled by a molecular dynamics (MD) method…”
Get full text

Computer simulation of interaction of an edge dislocation with a carbon interstitial in α-iron and effects on glide by Tapasa, K., Osetsky, Yu.N., Bacon, D.J.

“…The atomic-scale behaviour of a carbon (C) interstitial atom in the core of a 1 / 2 [ 1 1 1 ] ( 1 1 ¯ 0 ) edge dislocation in α-iron has been simulated for the…”
Get full text

Computer simulation of primary damage creation in displacement cascades in copper. I. Defect creation and cluster statistics by Voskoboinikov, R.E., Osetsky, Yu.N., Bacon, D.J.

“…Atomic-scale computer simulation has been used to investigate the primary damage created by displacement cascades in copper over a wide range of temperature…”
Get full text

One-dimensional atomic transport by clusters of self-interstitial atoms in iron and copper by Osetsky, Yu. N., Bacon, D. J., Serra, A., Singh, B. N., Golubov, S. I.

“…Atomic-scale computer simulation has been used to study the thermally activated atomic transport of self-interstitial atoms (SIAs) in the form of planar…”
Get full text

Atomic modelling of strengthening mechanisms due to voids and copper precipitates in α-iron by Osetsky†, Yu. N., Bacon, D. J., Mohles, V.

“…Recently a model has been developed by Osetsky and Bacon to study edge dislocations moving over large distances on the atomic scale. It permits investigation…”
Get full text

Structure and properties of vacancy and interstitial clusters in α-zirconium by de Diego, N., Osetsky, Yu.N., Bacon, D.J.

“…The structure and properties of planar interstitial and vacancy clusters in α-zirconium containing up to ≈300 defects were studied by atomic-scale computer…”
Get full text

Atomic-scale details of dislocation–stacking fault tetrahedra interaction by Osetsky, Yu. N., Stoller, R.E., Rodney, D., Bacon, D.J.

“…Stacking fault tetrahedra (SFTs) are formed during irradiation of f.c.c. metals and alloys with low stacking fault energy. The high number density of SFTs…”
Get full text

Calculation of helium defect clustering properties in iron using a multi-scale approach by Seletskaia, T., Osetsky, Yu.N., Stoller, R.E., Stocks, G.M.

“…Electronic structure calculations were used to study the relaxation, formation and binding energies of small helium clusters in iron. We considered three He…”
Get full text

Computer simulation of the interaction of carbon atoms with self-interstitial clusters in α-iron by Tapasa, K., Barashev, A.V., Bacon, D.J., Osetsky, Yu.N.

“…Static and dynamic properties of clusters of self-interstitial atoms and their complexes with carbon (C) atoms in α-iron are studied by molecular dynamics…”
Get full text

Dependence of radiation damage accumulation in iron on underlying models of displacement cascades and subsequent defect migration by Souidi, A., Becquart, C.S., Domain, C., Terentyev, D., Malerba, L., Calder, A.F., Bacon, D.J., Stoller, R.E., Osetsky, Yu. N., Hou, M.

“…Groups of displacement cascades calculated independently with different simulation models and computer codes are compared on a statistical basis. The…”
Get full text

The atomic-scale modeling of dislocation-obstacle interactions in irradiated metals by Bacon, D. J., Osetsky, Yu. N.

“…R4 occurs when screw dislocations come into contact with one face of the SFT. H. Kimura and R. Maddin36 proposed a mechanism based on screw cross-slip in this…”
Get full text

Destruction processes of large stacking fault tetrahedra induced by direct interaction with gliding dislocations by Matsukawa, Y., Osetsky, Yu.N., Stoller, R.E., Zinkle, S.J.

“…The destruction process of large non-truncated stacking fault tetrahedra (SFTs) induced by gliding dislocations was examined by in situ transmission electron…”
Get full text

Simulation of copper atom diffusion via the vacancy mechanism in a dilute Fe-Cu alloy by AROKIAM, A. C, BARASHEV, A. V, BACON, D. J, OSETSKY, Yu. N

“…Atomic diffusion in pure {alpha}-Fe and Fe-l at.% Cu crystals via vacancies is investigated by molecular-dynamics computer simulation. In order to generate a…”
Get full text

On the interaction between a vacancy and self-interstitial atom clusters in metals by Puigví, M. A., de Diego, N., Serra, A., Osetsky, Yu. N., Bacon, D. J.

“…Atomic-scale computer simulation is used to study the interaction between a vacancy and a cluster of self-interstitial atoms in metals with hcp, fcc and bcc…”
Get full text

Strengthening and microstructure modification associated with moving twin boundaries in hcp metals by Serra, A., Bacon, D. J., Osetsky, Yu. N.

“…The interaction of a moving twin boundary with clusters of self-interstitial atoms and vacancies, containing up to 35 point defects, has been studied by atomic…”
Get full text

Effects of temperature on structure and mobility of the 〈1 0 0〉 edge dislocation in body-centred cubic iron by Terentyev, D.A., Osetsky, Yu. N., Bacon, D.J.

“…Dislocation segments with Burgers vector b = 〈1 0 0〉 are formed during deformation of body-centred-cubic (bcc) metals by the interaction between dislocations…”
Get full text

Atomic-scale mechanisms of void hardening in bcc and fcc metals by Osetsky, Yu.N., Bacon, D.J.

“…Strengthening due to voids can be a significant effect of radiation damage in metals, but treatment of this by elasticity theory of dislocations is difficult…”
Get full text