Search Results - "Osetsky, Yu N"
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Impact of Short-Range Forces on Defect Production from High-Energy Collisions
Published in Journal of chemical theory and computation (14-06-2016)“…Primary radiation damage formation in solid materials typically involves collisions between atoms that have up to a few hundred keV of kinetic energy. During…”
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2
An atomistic assessment of helium behavior in iron
Published in Journal of nuclear materials (01-12-2014)“…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…”
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3
Simulation of the interaction between an edge dislocation and a 〈1 0 0〉 interstitial dislocation loop in α-iron
Published in Acta materialia (01-10-2008)“…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…”
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4
Computer simulation of carbon diffusion and vacancy–carbon interaction in α-iron
Published in Acta materialia (2007)“…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…”
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5
Computer simulation of interaction of an edge dislocation with a carbon interstitial in α-iron and effects on glide
Published in Acta materialia (2007)“…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…”
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6
Computer simulation of primary damage creation in displacement cascades in copper. I. Defect creation and cluster statistics
Published in Journal of nuclear materials (01-07-2008)“…Atomic-scale computer simulation has been used to investigate the primary damage created by displacement cascades in copper over a wide range of temperature…”
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7
One-dimensional atomic transport by clusters of self-interstitial atoms in iron and copper
Published in Philosophical magazine (Abingdon, England) (01-01-2003)“…Atomic-scale computer simulation has been used to study the thermally activated atomic transport of self-interstitial atoms (SIAs) in the form of planar…”
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8
Atomic modelling of strengthening mechanisms due to voids and copper precipitates in α-iron
Published in Philosophical magazine (2003. Print) (01-11-2003)“…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…”
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Journal Article Conference Proceeding -
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Structure and properties of vacancy and interstitial clusters in α-zirconium
Published in Journal of nuclear materials (29-02-2008)“…The structure and properties of planar interstitial and vacancy clusters in α-zirconium containing up to ≈300 defects were studied by atomic-scale computer…”
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10
Atomic-scale details of dislocation–stacking fault tetrahedra interaction
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (25-07-2005)“…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…”
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11
Calculation of helium defect clustering properties in iron using a multi-scale approach
Published in Journal of nuclear materials (01-06-2006)“…Electronic structure calculations were used to study the relaxation, formation and binding energies of small helium clusters in iron. We considered three He…”
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12
Computer simulation of the interaction of carbon atoms with self-interstitial clusters in α-iron
Published in Journal of nuclear materials (01-03-2007)“…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…”
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13
Dependence of radiation damage accumulation in iron on underlying models of displacement cascades and subsequent defect migration
Published in Journal of nuclear materials (01-09-2006)“…Groups of displacement cascades calculated independently with different simulation models and computer codes are compared on a statistical basis. The…”
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Journal Article -
14
The atomic-scale modeling of dislocation-obstacle interactions in irradiated metals
Published in JOM (1989) (01-04-2007)“…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…”
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15
Destruction processes of large stacking fault tetrahedra induced by direct interaction with gliding dislocations
Published in Journal of nuclear materials (01-06-2006)“…The destruction process of large non-truncated stacking fault tetrahedra (SFTs) induced by gliding dislocations was examined by in situ transmission electron…”
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Journal Article -
16
Simulation of copper atom diffusion via the vacancy mechanism in a dilute Fe-Cu alloy
Published in Physical review. B, Condensed matter and materials physics (01-05-2005)“…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…”
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Journal Article -
17
On the interaction between a vacancy and self-interstitial atom clusters in metals
Published in Philosophical magazine (Abingdon, England) (11-08-2007)“…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…”
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18
Strengthening and microstructure modification associated with moving twin boundaries in hcp metals
Published in Philosophical magazine letters (01-07-2007)“…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…”
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Journal Article -
19
Effects of temperature on structure and mobility of the 〈1 0 0〉 edge dislocation in body-centred cubic iron
Published in Acta materialia (01-04-2010)“…Dislocation segments with Burgers vector b = 〈1 0 0〉 are formed during deformation of body-centred-cubic (bcc) metals by the interaction between dislocations…”
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Journal Article -
20
Atomic-scale mechanisms of void hardening in bcc and fcc metals
Published in Philosophical magazine (Abingdon, England) (07-03-2010)“…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…”
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