The effect of stacking fault energy on interactions between an edge dislocation and a spherical void by molecular dynamics simulations

K Asari, OS Hetland, S Fujita, M Itakura… - Journal of nuclear …, 2013 - Elsevier
Molecular dynamics simulations were conducted using a set of six interatomic potentials for
FCC metals that differed only in stacking fault energy (SFE), to clarify the effect of SFE on …

Micro-pillar compression of proton-irradiated chromium examined using cross-sectional site selection, electron microscopy, and molecular dynamics simulation

M Pena, Y Li, Z Hu, K Cooper, L Hawkins… - Journal of Nuclear …, 2024 - Elsevier
Deformation of proton-irradiated chromium was investigated using micro-pillar compression
and electron microscopy. After 2 MeV proton irradiation at 350° C, four micro-pillars were …

Interface-controlled mechanical properties and irradiation hardening in nanostructured Cr/Zr multilayers

X Fan, Y Wang, K Wu, J Zhang, G Liu, J Sun - Journal of Nuclear Materials, 2024 - Elsevier
Interface as an effective defect-absorbing trap can reduce the accumulation of irradiation
damage by promoting the recombination of point defects. As an efficient strategy for …

Atomic insights on interaction mechanism of dislocation with void/impurity/precipitates in bcc iron

MM Azeem, D Yun, M Zubair - International …, 2021 - asmedigitalcollection.asme.org
Ferritic steels are important cladding and structural material for current and advanced
reactors containing Fe as a primary compositional matrix element. Three proposed models …

Strengthening of pretreated aluminum during ultrasonic additive manufacturing

M Pagan, N Zhao, LM Headings, MJ Dapino… - Additive …, 2022 - Elsevier
Strengthening effects in materials bonded by the high strain rate plastic deformation
process, Ultrasonic Additive Manufacturing (UAM), were investigated. Aluminum (Al 6061) …

Irradiation hardening of pure vanadium and vanadium alloys due to helium ion implantation and displacement damage

Y Yang, T Yan, C Zhang, X Fu, T Ma, M Niu… - Journal of Nuclear …, 2020 - Elsevier
Abstract Pure V and V–5Cr–5Ti were irradiated by He and high-energy heavy ions to
various doses. Nanoindentation was used to characterize the hardness change induced by …

Atomistic simulation of the a0< 1 0 0> binary junction formation and its unzipping in body-centered cubic iron

SMH Haghighat, R Schäublin, D Raabe - Acta materialia, 2014 - Elsevier
Molecular dynamics simulation is used to study the formation of the a 0< 1 0 0> binary
dislocation junction in body-centered cubic Fe. Results show that under an applied strain …

Atomic-level computer simulation of the interaction between dislocations and interstitial loops in α-zirconium

A Serra, DJ Bacon - … and Simulation in Materials Science and …, 2013 - iopscience.iop.org
Zirconium is an important metal for internal components of nuclear reactors, yet there have
been few computer simulation studies of the interaction between dislocations and interstitial …

[PDF][PDF] Atomic-level level dislocation dynamics in irradiated metals

YN Osetsky, DJ Bacon - Comprehens. Nucl. Mater., 2012 - researchgate.net
MBP many-body potential MC Monte Carlo MD molecular dynamics MMM multiscale
materials modeling MS molecular statics m Poisson's ratio PAD periodic array of …

The influence of interaction geometry on the obstacle strength of voids and copper precipitates in iron

P Grammatikopoulos, DJ Bacon… - … and Simulation in …, 2010 - iopscience.iop.org
Abstract Interaction between a 1/2⟨ 1 1 1⟩{1 1 0} edge dislocation and voids or coherent
bcc Cu precipitates (diameter D= 2 or 4 nm) in Fe with their centre displaced by±Δz from the …