Search Results - "Osetskiy, Yury N."
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Extensive nanoprecipitate morphology transformation in a nanostructured ferritic alloy due to extreme thermomechanical processing
Published in Acta materialia (01-11-2020)“…Nano-oxide precipitates in a modern nanostructured ferritic alloy were investigated after extreme thermomechanical processing into a thin-walled tube geometry…”
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Sluggish, chemical bias and percolation phenomena in atomic transport by vacancy and interstitial diffusion in Ni-Fe alloys
Published in Current opinion in solid state & materials science (30-09-2021)“…In this paper, we report the results of extended atomistic modeling of intrinsic mobility of point defects and associated atomic transport in Ni-Fe model…”
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3
On the existence and origin of sluggish diffusion in chemically disordered concentrated alloys
Published in Current opinion in solid state & materials science (01-06-2018)“…[Display omitted] •μs-scale MD, on-the-fly and conventional kMC are used to model diffusion in Ni-Fe random alloys.•A new fundamental understanding of the…”
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Helium irradiated cavity formation and defect energetics in Ni-based binary single-phase concentrated solid solution alloys
Published in Acta materialia (01-02-2019)“…Binary single-phase concentrated solid solution alloys (SPCSAs), including Ni80Co20, Ni80Fe20, Ni80Cr20, Ni80Pd20, and Ni80Mn20 (in atomic percentage), were…”
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5
Atomic-scale mechanisms of helium bubble hardening in iron
Published in Journal of nuclear materials (01-10-2015)“…Generation of helium due to (n,α) transmutation reactions changes the response of structural materials to neutron irradiation. The whole process of radiation…”
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Diffusion-mediated chemical concentration variation and void evolution in ion-irradiated NiCoFeCr high-entropy alloy
Published in Journal of materials research (04-02-2021)“…High-entropy alloys (HEAs) are proposed as potential structural materials for advanced nuclear systems, but little is known about the response of matrix…”
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7
Cr segregation on dislocation loops enhances hardening in ferritic Fe–Cr alloys
Published in Acta materialia (01-03-2013)“…The effect of chromium on iron hardening via segregation on dislocation loops was studied by atomic scale computer modeling. A combination of Monte Carlo and…”
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Atomistic studies of formation and diffusion of helium clusters and bubbles in BCC iron
Published in Journal of nuclear materials (01-10-2011)“…In fusion applications, helium created by transmutation plays an important role in the response of reduced-activation ferritic/martensitic (RAFM) steels to…”
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Extensive nanoprecipitate morphology transformation in a nanostructured ferritic alloy due to extreme thermomechanical processing
Published in Acta materialia (01-11-2020)Get full text
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10
Local-environment dependence of stacking fault energies in concentrated solid-solution alloys
Published in npj computational materials (04-02-2019)“…Concentrated solid-solution alloys (CSAs) based on 3 d transition metals have demonstrated extraordinary mechanical properties and radiation resistance…”
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Dislocation loop evolution and radiation hardening in nickel-based concentrated solid solution alloys
Published in Journal of nuclear materials (01-09-2020)“…Effects of chemical composition, ion irradiation dose and temperature on unfaulting of irradiation induced Frank dislocation loops to perfect loops in two…”
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12
Analysis of the anisotropy of point defect diffusion in hcp Zr
Published in Acta materialia (01-10-2014)“…A combination of density functional theory (DFT), kinetic Monte Carlo and mean-field rate theory is applied to analyze point defect migration and its effect on…”
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13
Equilibrium distribution of point defects in Fe-Y-O as a typical representative of nanocluster-strengthened alloys
Published in Journal of nuclear materials (01-06-2021)“…The statistical mechanic approach [1, 2] has been used to estimate the equilibrium defect distribution in a multiphase system by minimizing its free energy…”
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14
Helium irradiated cavity formation and defect energetics in Ni-based binary single-phase concentrated solid solution alloys
Published in Acta materialia (23-10-2018)“…In this study, binary single-phase concentrated solid solution alloys (SPCSAs), including Ni80Co20, Ni80Fe20, Ni80Cr20, Ni80Pd20, and Ni80Mn20 (in atomic…”
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The influence of transition metal solutes on the dislocation core structure and values of the Peierls stress and barrier in tungsten
Published in Journal of physics. Condensed matter (16-01-2013)“…Several transition metals were examined to evaluate their potential for improving the ductility of tungsten. The dislocation core structure and Peierls stress…”
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Tunable chemical complexity to control atomic diffusion in alloys
Published in npj computational materials (21-04-2020)“…In this paper we report a new fundamental understanding of chemically-biased diffusion in Ni–Fe random alloys that is tuned/controlled by the intrinsic…”
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Interaction of dislocations with Frank loops in Fe Ni alloys and pure Ni
Published in Journal of nuclear materials (01-11-2013)Get full text
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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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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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Self-Evolving Atomistic Kinetic Monte Carlo simulations of defects in materials
Published in Computational materials science (01-04-2015)“…Active volume is a key concept introduced by the SEAKMC. The following figure illustrates the effects of active volumes on the saddle point searches in the…”
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