Atomistic simulations of dislocation dynamics in δ-Pu-Ga alloys

AV Karavaev, VV Dremov, GV Ionov - Journal of Nuclear Materials, 2017 - Elsevier
Molecular dynamics with the modified embedded atom model (MEAM) for interatomic
interaction is applied to direct simulations of dislocation dynamics in fcc δ-phase Pu-Ga …

Equilibrium thermodynamics of radiation defect clusters in δ-phase Pu–Ga alloys

AV Karavaev, VV Dremov, GV Ionov - Journal of Nuclear Materials, 2016 - Elsevier
The paper presents a theoretical investigation into the response of δ-phase Pu–Ga alloys to
self-irradiation. Using classical molecular dynamics we investigate the long-term behavior of …

[HTML][HTML] Isochronal annealing effects on local structure, crystalline fraction, and undamaged region size of radiation damage in Ga-stabilized δ-Pu

DT Olive, DL Wang, CH Booth, ED Bauer… - Journal of Applied …, 2016 - pubs.aip.org
The effects on the local structure due to self-irradiation damage of Ga stabilized δ-Pu stored
at cryogenic temperatures have been examined using extended x-ray absorption fine …

Equilibrium thermodynamics of helium in δ-phase Pu–Ga alloys

AV Karavaev, VV Dremov, GV Ionov, BW Chung - Acta materialia, 2014 - Elsevier
The paper presents a theoretical study of the response of δ-phase Pu–Ga alloys to self-
irradiation. We investigate the long-term behaviour of He atoms in the face-centred cubic …

Shear strength of nanocrystalline δ-phase Pu-Ga alloys: Atomistic simulations

AV Karavaev, VV Dremov, FA Sapozhnikov - Journal of Nuclear Materials, 2019 - Elsevier
The mechanical properties of nanocrystalline materials differ dramatically from those of
conventional ones. In particular, the yield strength noticeably grows as grain size decreases …

Radiation damage in gallium-stabilized δ-plutonium with helium bubbles

FC Wu, P Wang, XY Liu, HA Wu - Journal of Nuclear Materials, 2017 - Elsevier
To understand the role of helium on self-irradiation effects in δ-plutonium, microstructure
evolutions due to α-decay events near pre-existing helium bubbles in gallium-stabilized δ …

Molecular dynamics evaluation of the impact of Ga, He, and vacancy concentration on the mechanical properties of Ga-stabilized δ-Pu

VV Dremov, AV Karavaev, FA Sapozhnikov… - Journal of nuclear …, 2011 - Elsevier
The effects of self-irradiation on the mechanical properties of Ga-stabilized δ-Pu are
investigated by means of classical molecular dynamics simulations using a modified …

First principles electronic structure calculation and simulation of the evolution of radiation defects in plutonium by the density functional theory and the molecular …

VI Anisimov, VV Dremov, MA Korotin… - The Physics of Metals …, 2013 - Springer
The review is devoted to the description of fundamental properties of Pu based on ab initio
and classical molecular-dynamics microscopic theories which could be linked to each other …

MD simulations of phase stability of PuGa alloys: Effects of primary radiation defects and helium bubbles

VV Dremov, FA Sapozhnikov, GV Ionov… - Journal of nuclear …, 2013 - Elsevier
We present classical molecular dynamics (MD) with Modified Embedded Atom Model
(MEAM) simulations to investigate the role of primary radiation defects and radiogenic …

[HTML][HTML] Analysis of differential scanning calorimetry data for aged plutonium

VP Chiravalle - The Journal of Chemical Physics, 2024 - pubs.aip.org
Differential scanning calorimetry data for samples of a 52 year old plutonium alloy with 3.3
at.% Ga that were heated beyond the melting point is analyzed using transition state theory …