Strain rate dependency of dislocation plasticity

H Fan, Q Wang, JA El-Awady, D Raabe… - Nature …, 2021 - nature.com
Dislocation glide is a general deformation mode, governing the strength of metals. Via
discrete dislocation dynamics and molecular dynamics simulations, we investigate the strain …

Phase-field, dislocation based plasticity and damage coupled model: modelling and application to single crystal superalloys

R Wu, Y Zhang - International Journal of Plasticity, 2022 - Elsevier
In the present work, we propose a novel model coupling phase-field, dislocation density
based plasticity and damage. The dislocation density governing equations are constructed …

[HTML][HTML] On identifying dynamic length scales in crystal plasticity

D Berta, D Kurunczi-Papp, L Laurson, PD Ispánovity - Acta Materialia, 2025 - Elsevier
Materials are often heterogeneous at various length scales, with variations in grain structure,
defects, and composition which has a strong influence on the emergent macroscopic plastic …

Microstructure evolution and strengthening mechanisms of MP159 superalloy during room temperature rolling and cryorolling

WW Zhang, Y Yang, YB Tan, MT Zeng, M Ma… - Journal of Alloys and …, 2022 - Elsevier
Microstructure evolution and strengthening mechanisms of MP159 superalloy during room
temperature rolling (RTR) and cryorolling (CR) were studied by using the XRD, EBSD and …

[HTML][HTML] On the similitude relation for dislocation wall thickness under cyclic deformation

F Ashraf, GM Castelluccio - Materials Science and Engineering: A, 2022 - Elsevier
Dislocation substructures have been extensively characterized to explain the origin of strain
hardening. Regions of high dislocation densities (walls) constrain the glide of mobile …

Phase and structural changes during heat treatment of additive manufactured CrFeCoNi high-entropy alloy

YO Kuzminova, EA Kudryavtsev, JK Han… - Journal of Alloys and …, 2021 - Elsevier
Additive manufacturing (AM) of high-entropy alloys (HEAs) is a new challenge in the
Material Science and Advanced Manufacturing fields. In the AM processing procedure, heat …

Influence of ageing on high temperature tensile deformation of a Ni-based superalloy, HAYNES 282

S Mukherjee, S Sivaprasad, S Tarafder… - Journal of Alloys and …, 2022 - Elsevier
The effect of ageing time and temperature on the deformation mechanism and
corresponding tensile properties are investigated in a γ/γ′ Ni-based superalloy, HAYNES …

Microstructural evolution and mechanical behaviors of rock salt in energy storage: A molecular dynamics approach

Z Zheng, G Wang, X Hu, C Niu, H Ma, Y Liao… - International Journal of …, 2024 - Elsevier
The microstructure of rock salt significantly influences its macroscopic mechanical behaviors
and deformation phenomena. Understanding the deformation and failure characteristics of …

A microstructure-based study of irradiation hardening in stainless steel: Experiment and phase field modeling

D Wang, L Zhao, L Xu, Y Han, K Hao - Journal of Nuclear Materials, 2022 - Elsevier
Irradiation hardening plays an important role in the mechanical property and service lifetime
of structural materials in nuclear power plants. The irradiation hardening of irradiated 316H …

A novel continuum dislocation density field-based crystal plasticity theory

Q Ruan, EP Busso, Z Fan, C Ling, D Li - … of the Mechanics and Physics of …, 2024 - Elsevier
In this work, a novel dislocation density field-based crystal plasticity formulation, that
incorporates up-scaled continuum dislocation density fields to represent all possible …