Survey of computed grain boundary properties in face-centered cubic metals: I. Grain boundary energy

DL Olmsted, SM Foiles, EA Holm - Acta Materialia, 2009 - Elsevier
The energies of a set of 388 distinct grain boundaries have been calculated based on
embedded-atom method interatomic potentials for Ni and Al. The boundaries considered are …

Atomistic modeling of interfaces and their impact on microstructure and properties

Y Mishin, M Asta, J Li - Acta Materialia, 2010 - Elsevier
Atomic-level modeling of materials provides fundamental insights into phase stability,
structure and properties of crystalline defects, and to physical mechanisms of many …

Survey of computed grain boundary properties in face-centered cubic metals—II: Grain boundary mobility

DL Olmsted, EA Holm, SM Foiles - Acta materialia, 2009 - Elsevier
The absolute grain boundary mobility of 388 nickel grain boundaries was calculated using a
synthetic driving force molecular dynamics method; complete results appear in the …

Atomistic-Scale Simulations on Grain Boundary Migration Mechanisms Involved in Metals and Alloys: A Critical Review

NK Rawat, N Jain, AK Mishra, A Verma - Archives of Computational …, 2024 - Springer
The mechanical properties of a material are affected by the kinetics and thermodynamics of
the grain boundaries (GBs) present in their domain. Various research works, both …

Grain boundaries are Brownian ratchets

C Qiu, M Punke, Y Tian, Y Han, S Wang, Y Su… - Science, 2024 - science.org
We demonstrate that grain boundaries (GBs) behave as Brownian ratchets, exhibiting
direction-dependent mobilities and unidirectional motion under oscillatory driving forces or …

Computing the mobility of grain boundaries

KGF Janssens, D Olmsted, EA Holm, SM Foiles… - Nature materials, 2006 - nature.com
As current experimental and simulation methods cannot determine the mobility of flat
boundaries across the large misorientation phase space, we have developed a …

Computation of grain boundary stiffness and mobility from boundary fluctuations

SM Foiles, JJ Hoyt - Acta Materialia, 2006 - Elsevier
Grain boundary stiffness and mobility determine the kinetics of curvature-driven grain
growth. Here the stiffness and mobility are computed using an analysis of fluctuations in the …

Solute drag assessment of grain boundary migration in Au

A Suhane, D Scheiber, M Popov, VI Razumovskiy… - Acta materialia, 2022 - Elsevier
Solute atoms segregate and impose a retarding pressure, also known as solute drag
pressure, at the grain boundary (GB) leading to reduced GB migration rates. The solute drag …

Effect of Fe segregation on the migration of a non-symmetric Σ5 tilt grain boundary in Al

MI Mendelev, DJ Srolovitz, GJ Ackland… - Journal of materials …, 2005 - cambridge.org
We present an analysis, based upon atomistic simulation data, of the effect of Fe impurities
on grain boundary migration in Al. The first step is the development of a new interatomic …

Interface mobility from interface random walk

ZT Trautt, M Upmanyu, A Karma - Science, 2006 - science.org
Computational studies aimed at extracting interface mobilities require driving forces orders
of magnitude higher than those occurring experimentally. We present a computational …