Mechanical properties of metal nanolaminates

IJ Beyerlein, Z Li, NA Mara - Annual Review of Materials …, 2022 - annualreviews.org
This article reviews recent basic research on two categories of metal-based nanolaminates:
those composed of metal/metal constituents and those composed of metal/ceramic …

A review on cementitious self-healing and the potential of phase-field methods for modeling crack-closing and fracture recovery

S Yang, F Aldakheel, A Caggiano, P Wriggers… - Materials, 2020 - mdpi.com
Improving the durability and sustainability of concrete structures has been driving the
enormous number of research papers on self-healing mechanisms that have been …

Dislocation transmission across Σ3 {112} incoherent twin boundary: a combined atomistic and phase-field study

T Ma, H Kim, N Mathew, DJ Luscher, L Cao, A Hunter - Acta Materialia, 2022 - Elsevier
Grain boundaries (GBs) in polycrystalline materials act as impediments to dislocation motion
and result in strengthening. Understanding slip transmission through GBs, specifically twin …

Phase-field modeling of the interactions between an edge dislocation and an array of obstacles

S Xu, JY Cheng, Z Li, NA Mara, IJ Beyerlein - Computer Methods in Applied …, 2022 - Elsevier
Obstacles, such as voids and precipitates, are prevalent in crystalline materials. They
strengthen crystals by serving as barriers to dislocation glide. In this work, we develop a …

Understanding dislocation mechanics at the mesoscale using phase field dislocation dynamics

IJ Beyerlein, A Hunter - Philosophical Transactions of the …, 2016 - royalsocietypublishing.org
In this paper, we discuss the formulation, recent developments and findings obtained from a
mesoscale mechanics technique called phase field dislocation dynamics (PFDD). We begin …

Atomic-scale investigations on dislocation-precipitate interactions influenced by voids in Ni-based superalloys

C Cui, X Gong, L Chen, W Xu, L Chen - International Journal of Mechanical …, 2022 - Elsevier
The interaction between dislocations and precipitates plays an essential role in
strengthening mechanisms of the Ni-based superalloys (γ-Ni, γ′-Ni 3 Al). It is worth noting …

A combined kinetic Monte Carlo and phase field approach to model thermally activated dislocation motion

X Peng, N Mathew, IJ Beyerlein, E Martinez… - Computational Materials …, 2023 - Elsevier
In this work, a kinetic Monte Carlo (KMC) scheme is integrated into a phase field dislocation
dynamics (PFDD) model to account for thermal activation. While the implementation is …

A 3D phase field dislocation dynamics model for body-centered cubic crystals

X Peng, N Mathew, IJ Beyerlein, K Dayal… - Computational Materials …, 2020 - Elsevier
In this work, we present a 3D Phase Field Dislocation Dynamics (PFDD) model for body-
centered cubic (BCC) metals. The model formulation is extended to account for the …

Room temperature deformation mechanisms of Mg/Nb nanolayered composites

M Ardeljan, M Knezevic, M Jain, S Pathak… - Journal of Materials …, 2018 - cambridge.org
In this work, the deformation mechanisms underlying the room temperature deformation of
the pseudomorphic body centered cubic (BCC) Mg phase in Mg/Nb nanolayered …

Phase-field dislocation dynamics simulations of temperature-dependent glide mechanisms in niobium

MR Jones, LTW Fey, IJ Beyerlein - Computational Materials Science, 2024 - Elsevier
In this work, we present a three-dimensional ab-initio informed phase-field-dislocation
dynamics model combined with Langevin dynamics to investigate glide mechanisms of …