Advances in Experimental Studies of Grain Growth in Thin Films

K Barmak, JM Rickman, MJ Patrick - JOM, 2024 - Springer
In this article, we review recent developments in the experimental study of grain growth in
nanocrystalline metallic thin films, emphasizing transmission electron microscopy-based …

Triple junction excess energy in polycrystalline metals

N Tuchinda, CA Schuh - Acta Materialia, 2024 - Elsevier
The energetics of triple lines are often negligible in polycrystalline systems, but may play a
significant role in the finest nanocrystals, and in fact lower the excess defect energies of …

Enhancing strength and ductility synergy through heterogeneous laminated structure design in high-entropy alloys

L Zeng, J Zhang, X Lu, S Li, P Jiang - Journal of Materials Science & …, 2025 - Elsevier
Heterogeneous laminated structure (HLS) design offers new opportunities to enhance the
mechanical performance of high-entropy alloys (HEAs) through synergistic effects from …

Label-free grain segmentation for optical microscopy images via unsupervised image-to-image translation

J Na, J Lee, SH Kang, SJ Kim, S Lee - Materials Characterization, 2023 - Elsevier
Grain boundaries play an important role in governing the mechanical and physical
properties of polycrystalline materials. Therefore, quantitative analysis of grain structure is …

3D grain growth in nanocrystalline Al via molecular dynamics: Influence of size, topology and integral mean curvature on grain kinetics

GB Bizana, LA Barrales-Mora - Computational Materials Science, 2023 - Elsevier
Grain growth in nanosized polycrystalline Al was studied via molecular dynamics. In
particular, the volumetric growth rate of grains as a function of size, topology and mean …

Facet and energy predictions in grain boundaries: Lattice matching and molecular dynamics

B Dobrovolski, CB Owens, GLW Hart, ER Homer… - Acta Materialia, 2024 - Elsevier
Many material properties can be traced back to properties of their grain boundaries. Grain
boundary energy (GBE), as a result, is a key quantity of interest in the analysis and modeling …

Nonlinear inhomogeneous Fokker–Planck models: energetic-variational structures and long-time behavior

Y Epshteyn, C Liu, C Liu, M Mizuno - Analysis and Applications, 2022 - World Scientific
Inspired by the modeling of grain growth in polycrystalline materials, we consider a
nonlinear Fokker–Plank model, with inhomogeneous diffusion and with variable mobility …

Point process microstructural model of metallic thin films with implications for coarsening

JM Rickman, K Barmak, Y Epshteyn… - npj Computational …, 2023 - nature.com
We develop a thin-film microstructural model that represents structural markers (ie, triple
junctions in the two-dimensional projections of the structure of films with columnar grains) in …

Global Well-Posedness of a Nonlinear Fokker-Planck Type Model of Grain Growth

B Bayir, Y Epshteyn, WM Feldman - arxiv preprint arxiv:2502.13151, 2025 - arxiv.org
Most technologically useful materials spanning multiple length scales are polycrystalline.
Polycrystalline microstructures are composed of a myriad of small crystals or grains with …

3D characterization of abnormal grain growth in nanocrystalline nickel

W Zhu, X Huang, W Cai, T Huang… - Materials Genome …, 2023 - Wiley Online Library
Abnormal grain growth, a pervasive phenomenon witnessed during the annealing of
nanocrystalline metals, precipitates a swift diminution of the distinctive properties inherent to …