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 …

Room temperature dislocation loop dynamics in body-centered cubic refractory multi-principal element alloys

PF McNutt, MR Jones, P Garg, IJ Beyerlein - Computational Materials …, 2024 - Elsevier
In this work, we study loop dynamics at room temperature across three refractory multi-
principal element alloys (RMPEAs) using a phase field dislocation dynamics simulation …

Multi-element Segregation Strengthening and Doping Softening of S5 (210)[001] Symmetrically Tilted Grain Boundary in Ni-based Bicrystal

H Hu, T Fu, S Wang, C Li, S Weng, D Yin… - International Journal of …, 2024 - Elsevier
Alloying is an economically efficient strategy to improve the thermal and mechanical stability
of materials, which can also be applied to grain boundary (GB) in nanocrystalline materials …

Unifying temperature definition in atomistic and field representations of conservation laws

Y Chen - Proceedings of the Royal Society A, 2024 - royalsocietypublishing.org
In this work, a field representation of the conservation law of linear momentum is derived
from the atomistic, using the theory of distributions as the mathematical tool, and expressed …

Multiscale computational analysis of crack initiation at the grain boundaries in hydrogen-charged bi-crystalline alpha-iron

Y Peng, T Phan, H Zhai, L Xiong, X Zhang - International Journal of …, 2025 - Elsevier
This paper presents a mesoscale concurrent atomistic–continuum (CAC) simulation of crack
initiation at the atomically structured grain boundaries (GBs) in bi-crystalline BCC iron (α-Fe) …

Atomistic-Informed and Machine Learning–Assisted Crystal Plasticity Modeling for Material Interfaces

I Altarabsheh, X Chen - Journal of Engineering Mechanics, 2025 - ascelibrary.org
This paper presents a novel methodology that addresses the limited predictive capability of
the existing crystal plasticity (CP) method in interfaces modeling. Our approach incorporates …

The Insight Effect of Texture Components on the Recrystallization Behavior of Mo-Re Alloy

C Liu, J Liao, J Wu, F Zhang, H Zhou, A Yan… - Available at SSRN … - papers.ssrn.com
Molybdenum alloys are well-suited for high-temperature gas-cooled reactor fuel cladding
due to their excellent performance at elevated temperatures, favorable mechanical …