Grain boundary migration in polycrystals

GS Rohrer, I Chesser, AR Krause… - Annual Review of …, 2023 - annualreviews.org
Grain boundaries in polycrystalline materials migrate to reduce the total excess energy. It
has recently been found that the factors governing migration rates of boundaries in bicrystals …

A review of 3D-printed bimetallic alloys

MJ Shekh, LC Yeo, JL Bair - The International Journal of Advanced …, 2024 - Springer
This paper provides a critical overview of experimental and computational studies
conducted on additive manufacturing (AM) or 3D printing using bimetallic alloys. The review …

Phase-field model for anisotropic grain growth

P Staublin, A Mukherjee, JA Warren, PW Voorhees - Acta Materialia, 2022 - Elsevier
Grain boundary properties may depend on the five macroscopic crystallographic degrees of
freedom of the boundary, these being the misorientation between crystals and the inclination …

[HTML][HTML] New phase-field model for polycrystalline systems with anisotropic grain boundary properties

N Moelans - Materials & Design, 2022 - Elsevier
In this paper, a new methodology is presented to inlude anisotropic grain boundary
properties in a phase-field model. The new approach is thermodynamically consistent and …

A finite deformation theory for grain boundary plasticity based on geometrically necessary disconnections

H Joshi, J He, NC Admal - Journal of the Mechanics and Physics of Solids, 2022 - Elsevier
Grain boundary processes such as shear coupling and sliding are a consequence of plastic
distortion accompanying grain boundary motion. Atomic scale studies using molecular …

Multiphase field modeling of grain boundary migration mediated by emergent disconnections

M Gokuli, B Runnels - Acta Materialia, 2021 - Elsevier
Abstract Knowledge about grain boundary migration is a prerequisite for understanding and
ultimately modulating the properties of polycrystalline materials. Evidence from experiments …

Phase-field modeling of biomineralization in mollusks and corals: Microstructure vs formation mechanism

L Gránásy, L Rátkai, GI Tóth, PUPA Gilbert, I Zlotnikov… - JACS Au, 2021 - ACS Publications
While biological crystallization processes have been studied on the microscale extensively,
there is a general lack of models addressing the mesoscale aspects of such phenomena. In …

Effect of grain structure and strain rate on dynamic recrystallization and deformation behavior: A phase field-crystal plasticity model

Y Li, S Hu, E Barker, N Overman, S Whalen… - Computational Materials …, 2020 - Elsevier
In this work, we combined phase field method and crystal plasticity to study the effects of
initial grain structures, recrystallized grain orientation, and strain rates on dynamic …

Phase-field model of deformation twin-grain boundary interactions in hexagonal systems

X Hu, Y Ji, TW Heo, LQ Chen, X Cui - Acta Materialia, 2020 - Elsevier
A phase-field model for describing dynamic interactions between deformation twins and
grain boundaries in a hexagonal close packed (HCP) metal is established. It is applied to …

Comparison of simulated and measured grain volume changes during grain growth

X Peng, A Bhattacharya, SK Naghibzadeh… - Physical Review …, 2022 - APS
The three-dimensional microstructure of Ni, observed after five annealing intervals, was
compared to simulations of grain growth using the threshold dynamics method with the …