Insights into factors that affect non-Arrhenius migration of a simulated incoherent Σ3 grain boundary

A Verma, OK Johnson, GB Thompson, I Chesser… - Acta Materialia, 2023 - Elsevier
Non-Arrhenius grain boundary migration, sometimes referred to as antithermal migration
where temperature and GB velocity values are inversely related to each other, is examined …

Examination of computed aluminum grain boundary structures and energies that span the 5D space of crystallographic character

ER Homer, GLW Hart, CB Owens, DM Hensley… - Acta Materialia, 2022 - Elsevier
The space of possible grain boundary structures is vast, with 5 macroscopic, crystallographic
degrees of freedom that define the character of a grain boundary. While numerous datasets …

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 …

Solute influence in transitions from non-Arrhenius to stick-slip Arrhenius grain boundary migration

A Verma, OK Johnson, GB Thompson, S Ogata… - Acta Materialia, 2024 - Elsevier
Synthetic driving force based molecular dynamics simulations are used to evaluate the grain
boundary velocities for an incoherent Σ3 [111] 60°{11 8 5} GB in elemental nickel and its …

Simulated migration behavior of metastable Σ3 (11 8 5) incoherent twin grain boundaries

ER Homer, A Verma, D Britton… - IOP conference …, 2022 - iopscience.iop.org
Molecular dynamics simulations are used to examine the migration behavior of one
incoherent twin, a Σ3 (11 8 5)/(8 11 5) grain boundary. The boundary is known to exhibit non …

The iron (Fe) hollow fiber membranes, the microstructure and the performance of the membrane Low-cost iron (Fe) hollow fiber membrane for hydrogen separation

Z Hu, Z Wang, M Wang, Z Wang, Y Chu, X Tan… - Journal of Membrane …, 2024 - Elsevier
Dense metal membranes are widely studied due to their promising performance in hydrogen
separation. In this work, the low-cost dense iron (Fe) hollow fiber membranes (FeHFMs) …

[PDF][PDF] Examination of computed aluminum grain boundary structures and interface energies that span the 5D space of crystallographic character

ER Homera, GLW Hartb, CB Owensb, D Hensleyb… - 2022 - academia.edu
The space of possible grain boundary structures is vast, with 5 macroscopic, crystallographic
degrees of freedom that define the character of a grain boundary. While numerous datasets …