Size dependent scaling law of plastic flow in FCC nanolattices: A dislocation dynamics study

PC Nguyen - Acta Materialia, 2024 - Elsevier
Micro-and nanolattices can achieve simultaneously both lightweight and ultra-high strength
due to a combination of resilient architecture and enhanced mechanical properties of small …

A thermally activated dislocation-based constitutive flow model of nanostructured FCC metals involving microstructural evolution

JY Zhang, J Li, K Wu, G Liu, J Sun - Philosophical Magazine, 2017 - Taylor & Francis
Due to their interface and nanoscale effects associated with structural peculiarities of
nanostructured, face-centered-cubic (FCC) ultrafine-grained/nanocrystalline (UFG/NC) …

[HTML][HTML] On the mechanistic origins of maximum strength in nanocrystalline metals

A Gupta, J Gruber, SS Rajaram… - npj Computational …, 2020 - nature.com
The maximum strength of polycrystalline metals/alloys has been suggested to occur at
nanoscale grain sizes where the governing deformation mechanism transitions from …

Dislocation interactions at the grain boundary in FCC bicrystals: An atomistically-informed dislocation dynamics study

NK Aragon, JD Gravell - Acta Materialia, 2022 - Elsevier
To understand the underlying mechanisms that control the mechanical properties of
nanostructured metals, an insight into the role of the grain boundary in dislocation-driven …

Grain-size dependent mechanical behavior of nanocrystalline metals

EN Hahn, MA Meyers - Materials Science and Engineering: A, 2015 - Elsevier
Grain size has a profound effect on the mechanical response of metals. Molecular dynamics
continues to expand its range from a handful of atoms to grain sizes up to 50 nm, albeit …

[图书][B] Plastic deformation of nanostructured materials

AM Glezer, EV Kozlov, NA Koneva, NA Popova… - 2017 - taylorfrancis.com
Plastic Deformation of Nanostructured Materials offers comprehensive analysis on the most
important data and results in the field of materials strength and mechanics. This reference …

Nanoscale deformation of crystalline metals: Experiments and simulations

B Wu, Y Wu, Y Pan, Z Liu - International Journal of Plasticity, 2023 - Elsevier
In the present work, we performed experiments and molecular dynamic simulations to study
the atomic physical process and deformation mechanism involved in nanoscale deformation …

Unraveling kinking: a plasticity enhancing failure mode in high strength nano metallic laminates

Y Zhang, M Zecevic, A Chakraborty, RJ McCabe… - Acta Materialia, 2023 - Elsevier
Kinking is an important and plasticity-enhancing deformation/failure mode in numerous
mechanically anisotropic materials including high-strength nano metallic laminates (NMLs) …

Modulating strengthening ability of layer-grained fcc metals with distinct stacking fault energy: Molecular dynamics simulation

P Jing, Y Wang, Y Zhou, W Shi - Materials Today Nano, 2023 - Elsevier
The limited ductility of nanocrystalline metals severely hinders their practical applications
due to the absence of strain hardening. In this study, we observed strain hardening in layer …

Anelasticity in thin-shell nanolattices

IT Chen, FR Poblete, A Bagal, Y Zhu… - Proceedings of the …, 2022 - National Acad Sciences
In this work, we investigate the anelastic deformation behavior of periodic three-dimensional
(3D) nanolattices with extremely thin shell thicknesses using nanoindentation. The results …