Revealing multiple strengthening transitions in crystalline-amorphous nanolaminates through molecular dynamics

F Shuang, B Wang, K Aifantis - Materials Today Communications, 2023 - Elsevier
Crystalline-amorphous nanolaminates allow for a unique combination of high strength and
good ductility. This promising mechanical behavior is attributed to the different deformation …

[HTML][HTML] Atomistic simulations of dislocation plasticity in concentrated VCoNi medium entropy alloys: Effects of lattice distortion and short range order

A Esfandiarpour, R Alvarez-Donado… - Frontiers in …, 2022 - frontiersin.org
Face-centered cubic (fcc) high and medium entropy alloys (H/MEAs) have been shown to
display superior mechanical properties at low temperatures, but significant improvement of …

Self-Adaptive Layering Structure of Nanoconfined Fe–Ni Liquids: Origin of the Liquid–Liquid Phase Transition

Q Liu, J Huang, M Fu, Z Li, R Zhao, J Tang, Y Jiang… - ACS …, 2024 - ACS Publications
Metallic liquids under confinement exhibit different properties compared to those of their
corresponding bulk phases, such as miscibility, diffusion, and phase transitions …

Creep recovery of stress-annealed Zr-based metallic glass: Investigation based on the dynamic viscoelastic model

H Wang, CT Chang, ZD Cui, SL Zhu - Materials Today Communications, 2023 - Elsevier
An isochronal creep recovery of a Zr-based material is discussed with a constructed
dynamic viscoelastic model based on the Maxwell model concerning structural …

Quasilocalized modes in crystalline and partially crystalline high-entropy alloys

S Bonfanti, R Guerra, R Alvarez-Donado… - Physical Review …, 2024 - APS
High entropy alloys (HEAs) are designed by mixing multiple metallic species in nearly the
same amount to obtain crystalline or amorphous materials with exceptional mechanical …

Quasi-localized modes in crystalline high entropy alloys

S Bonfanti, R Guerra, R Alvarez-Donado… - arxiv preprint arxiv …, 2023 - arxiv.org
High Entropy Alloys (HEAs) are designed by mixing multiple metallic species in nearly the
same amount to obtain crystalline or amorphous materials with exceptional mechanical …

Yielding in multicomponent metallic glasses: Universal signatures of elastic modulus heterogeneities

K Karimi, MJ Alava, S Papanikolaou - Physical Review Materials, 2023 - APS
Sheared multicomponent bulk metallic glasses are characterized by both chemical and
structural disorder that define their properties. We investigate the behavior of the local …

Collision Cascade-Driven Evolution of Vacancy Defects in Ni-Based Concentrated Solid-Solution Alloys

A Aligayev, M Reis, A Chartier, Q Huang… - arxiv preprint arxiv …, 2024 - arxiv.org
Concentrated solid--solution alloys (CSAs) in single--phase form have recently garnered
considerable attention owing to their potential for exceptional irradiation resistance. This …

Tuning brittleness in multi-component metallic glasses through chemical disorder aging

K Karimi, S Papanikolaou - arxiv preprint arxiv:2309.11867, 2023 - arxiv.org
Shear localization in slowly-driven bulk metallic glasses (BMGs) is typically accompanied by
a sharp drop in the bulk stress response as a signature of the plastic yielding transition. It is …

Stress-annealing induced quasistatic creep recovery in ZrCuAlNi metallic glass

H Wang, C Zhao, C Chang, S Zhu, Z Zhao - Journal of Non-Crystalline …, 2024 - Elsevier
The relationship between the structural relaxation of metallic glasses and their
heterogeneous structure, characterized by a weakly bonded region and a strongly bonded …