Deformation and flow of amorphous solids: Insights from elastoplastic models

A Nicolas, EE Ferrero, K Martens, JL Barrat - Reviews of Modern Physics, 2018 - APS
The deformation and flow of disordered solids, such as metallic glasses and concentrated
emulsions, involves swift localized rearrangements of particles that induce a long-range …

Microstructures and properties of high-entropy alloys

Y Zhang, TT Zuo, Z Tang, MC Gao, KA Dahmen… - Progress in materials …, 2014 - Elsevier
This paper reviews the recent research and development of high-entropy alloys (HEAs).
HEAs are loosely defined as solid solution alloys that contain more than five principal …

Corrosion of Al xCoCrFeNi high-entropy alloys: Al-content and potential scan-rate dependent pitting behavior

Y Shi, B Yang, X Xie, J Brechtl, KA Dahmen, PK Liaw - Corrosion Science, 2017 - Elsevier
The present work investigates the influence of Al-content and potential-scan-rate on
stable/metastable pitting of Al x CoCrFeNi high-entropy alloys in a 3.5 wt.% NaCl solution …

Fundamental deformation behavior in high-entropy alloys: An overview

HY Diao, R Feng, KA Dahmen, PK Liaw - Current Opinion in Solid State …, 2017 - Elsevier
Abstract High-entropy alloys (HEAs), as a new class of materials, are nearly equiatomic and
multi-element systems, which can crystallize as a single phase or multi-phases. Most of the …

Deformation of metallic glasses: Recent developments in theory, simulations, and experiments

TC Hufnagel, CA Schuh, ML Falk - Acta Materialia, 2016 - Elsevier
We review recent research into elastic and plastic deformation of metallic glasses, with an
emphasis on making connections between developments in theory and simulation (largely …

Random critical point separates brittle and ductile yielding transitions in amorphous materials

M Ozawa, L Berthier, G Biroli… - Proceedings of the …, 2018 - National Acad Sciences
We combine an analytically solvable mean-field elasto-plastic model with molecular
dynamics simulations of a generic glass former to demonstrate that, depending on their …

Plasticity in small-sized metallic systems: Intrinsic versus extrinsic size effect

JR Greer, JTM De Hosson - Progress in Materials Science, 2011 - Elsevier
A material strength depends on its microstructure, which in turn, is controlled by an
engineering process. Strengthening mechanisms like work hardening, precipitate, and grain …

[HTML][HTML] The Portevin-Le Chatelier effect in nickel-base superalloys: Origins, consequences and comparison to strain ageing in other alloy systems

BS Rowlands, C Rae, E Galindo-Nava - Progress in Materials Science, 2023 - Elsevier
Abstract Dynamic Strain Ageing (DSA) has reached widespread acceptance since its
proposal in the 1940's as the mechanism behind the Portevin-Le Chatelier effect in ferritic …

Serration and noise behaviors in materials

Y Zhang, JP Liu, SY Chen, X Xie, PK Liaw… - Progress in Materials …, 2017 - Elsevier
Serration and noise behaviors in plastically deforming solids are related to avalanches of
deformation processes. In the stress-strain curves, the serration characteristics are visible as …

Aluminum alloying effects on lattice types, microstructures, and mechanical behavior of high-entropy alloys systems

Z Tang, MC Gao, H Diao, T Yang, J Liu, T Zuo, Y Zhang… - Jom, 2013 - Springer
The crystal lattice type is one of the dominant factors for controlling the mechanical behavior
of high-entropy alloys (HEAs). For example, the yield strength at room temperature varies …