Micro-scale fatigue mechanisms in metals: Insights gained from small-scale experiments and discrete dislocation dynamics simulations

S Lavenstein, JA El-Awady - Current Opinion in Solid State and Materials …, 2019 - Elsevier
This review paper providing a comprehensive review of insights gained from cyclic loading
discrete dislocation dynamics simulations and micro-scale fatigue experiments on …

Interaction between 1/2< 110>{001} dislocations and {110} prismatic loops in uranium dioxide: Implications for strain-hardening under irradiation

M Borde, L Dupuy, A Pivano, B Michel… - International Journal of …, 2023 - Elsevier
Plasticity of irradiated UO 2 is of major interest to improve the risk assessment of the nuclear
fuel cladding failure in the case of design basis accidents. In this study, we investigate the …

The heterogeneity of persistent slip band nucleation and evolution in metals at the micrometer scale

S Lavenstein, Y Gu, D Madisetti, JA El-Awady - Science, 2020 - science.org
INTRODUCTION Metals are the material of choice for many structural applications because
they provide the best compromise between strength and ductility. For applications in which …

[HTML][HTML] Discrete dislocation dynamics simulations of< a>-type prismatic loops in zirconium

D Hortelano-Roig, R Kumar, DS Balint… - International Journal of …, 2023 - Elsevier
Neutron irradiation of zirconium alloys in light water nuclear reactors generates nano-scale
defects in the form of vacancy and interstitial< a>-type prismatic loops which lie in prismatic …

Comparative analysis of irradiation-stimulated hardening in the austenite and ferrite phases of F321 stainless steel

P Lin, J Nie, W Cui, L He, S Cui, Y Lu - Acta Materialia, 2024 - Elsevier
F321 stainless steel is renowned for its outstanding mechanical properties and corrosion
resistance, making it a crucial structural material in light water reactors and high-temperature …

A coupled vacancy diffusion-dislocation dynamics model for the climb-glide motion of jogged screw dislocations

Y Li, N Ghoniem, K Baker, BR Flores, T Black… - Acta Materialia, 2023 - Elsevier
We develop a novel model to study the climb/glide motion of jogged screw dislocations
within the discrete dislocation dynamics (DDD) framework. We present results for the …

Effects of cutting force on formation of subsurface damage during nano-cutting of single-crystal tungsten

H Wang, X Guo, Z Dong… - Journal of …, 2022 - asmedigitalcollection.asme.org
Single-crystal tungsten is widely utilized in various fields, benefiting from its outstanding
properties. Nano-cutting, as an ultra-precision machining method, can realize high efficiency …

Study on subsurface layer of nano-cutting single crystal tungsten in different crystal orientations

X Guo, Y Gou, Z Dong, S Yuan, M Li, W Du… - Applied Surface …, 2020 - Elsevier
The subsurface damage of micro-nano components and high-precision surface affects the
reliability and service life of the workpiece. In this study, the nano-cutting molecular …

Electrocatalytic Map** of Metal Fatigue with Persistent Slip Bands

T **ao, L Cheng, Z Chen, Y Hu, X Yao… - Journal of the …, 2025 - ACS Publications
Metal fatigue, characterized by the accumulation of dislocation defects, is a prevalent failure
mode in structural materials. Nondestructive early-stage detection of metal fatigue is …

Evaluation of the macro/microstructure of Al/Cu/Sn/Ni multi-layered composite produced by accumulative-roll-bonding (ARB) and post-heat treatment

MM Mahdavian, AR Khodabandeh, HR Jafarian… - Journal of Alloys and …, 2022 - Elsevier
In this study, an Al/Cu/Sn/Ni multi-layer composite (MLC) was produced by a two-step
process (ie, accumulative roll bonding and subsequent heat treatment) for up to six cycles …