Grain-boundary kinetics: A unified approach
Grain boundaries (GBs) are central defects for describing polycrystalline materials, and
playing major role in a wide-range of physical properties of polycrystals. Control over GB …
playing major role in a wide-range of physical properties of polycrystals. Control over GB …
[HTML][HTML] A classical equation that accounts for observations of non-Arrhenius and cryogenic grain boundary migration
ER Homer, OK Johnson, D Britton… - npj Computational …, 2022 - nature.com
Observations of microstructural coarsening at cryogenic temperatures, as well as numerous
simulations of grain boundary motion that show faster migration at low temperature than at …
simulations of grain boundary motion that show faster migration at low temperature than at …
[HTML][HTML] Toward the multiscale nature of stress corrosion cracking
This article reviews the multiscale nature of stress corrosion cracking (SCC) observed by
high-resolution characterizations in austenite stainless steels and Ni-base superalloys in …
high-resolution characterizations in austenite stainless steels and Ni-base superalloys in …
[HTML][HTML] Initial grain orientation controls static recrystallization outcomes in cold-worked iron: Insight from coupled crystal plasticity/vertex dynamics modeling
C McElfresh, J Marian - Acta Materialia, 2023 - Elsevier
Recrystallization of metallic materials is an important metallurgical treatment to bring cold-
worked alloys to a usable state. Static recrystallization (SRX) occurs after deformation, once …
worked alloys to a usable state. Static recrystallization (SRX) occurs after deformation, once …
Atomistic migration mechanisms of atomically flat, stepped, and kinked grain boundaries
We studied the migration behavior of mixed tilt and twist grain boundaries in the vicinity of a
symmetric tilt〈 111〉 Σ 7 grain boundary in aluminum. We show that these grain boundaries …
symmetric tilt〈 111〉 Σ 7 grain boundary in aluminum. We show that these grain boundaries …
Magnetic bond-order potential for iron-cobalt alloys
For large-scale atomistic simulations of magnetic materials, the interplay of atomic and
magnetic degrees of freedom needs to be described with high computational efficiency …
magnetic degrees of freedom needs to be described with high computational efficiency …
Stochastic model and kinetic Monte Carlo simulation of solute interactions with stationary and moving grain boundaries. II. Application to two-dimensional systems
Y Mishin - Physical Review Materials, 2023 - APS
In Part I of this work, we proposed a stochastic model describing solute interactions with
stationary and moving grain boundaries (GBs) and applied it to planar GBs in 1D systems …
stationary and moving grain boundaries (GBs) and applied it to planar GBs in 1D systems …
[HTML][HTML] The role of grain boundary diffusion in the solute drag effect
Molecular dynamics (MD) simulations are applied to study solute drag by curvature-driven
grain boundaries (GBs) in Cu–Ag solid solution. Although lattice diffusion is frozen on the …
grain boundaries (GBs) in Cu–Ag solid solution. Although lattice diffusion is frozen on the …
Understanding the anomalous thermal behavior of Σ3 grain boundaries in a variety of FCC metals
We present a case study of the complex temperature dependence of grain boundary
mobility. The same general incoherent twin boundary in different FCC metals is found to …
mobility. The same general incoherent twin boundary in different FCC metals is found to …
Contrasting thermal behaviors in Σ3 grain boundary motion in nickel
Synthetic driving force molecular dynamics simulations were utilized to survey grain
boundary mobility in three classes of incoherent Σ3 twin boundaries:< 112>,< 110>, and< …
boundary mobility in three classes of incoherent Σ3 twin boundaries:< 112>,< 110>, and< …