[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 **e, 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 …

Mesoscopic-scale complexity in macroscopically-uniform plastic flow of an Al0. 3CoCrFeNi high-entropy alloy

J Brechtl, R Feng, PK Liaw, B Beausir, H Jaber… - Acta Materialia, 2023 - Elsevier
The concept of a smooth and homogeneous plastic flow of solids is nowadays constantly
challenged by various observations of the self-organization of crystal defects on mesoscopic …

The Portevin–Le Chatelier effect: a review of experimental findings

A Yilmaz - Science and technology of advanced materials, 2011 - iopscience.iop.org
Abstract The Portevin–Le Chatelier (PLC) effect manifests itself as an unstable plastic flow
during tensile tests of some dilute alloys under certain regimes of strain rate and …

A review of the serrated-flow phenomenon and its role in the deformation behavior of high-entropy alloys

J Brechtl, S Chen, C Lee, Y Shi, R Feng, X **e… - Metals, 2020 - mdpi.com
High-entropy alloys (HEAs) are a novel class of alloys that have many desirable properties.
The serrated flow that occurs in high-entropy alloys during mechanical deformation is an …

[BOOK][B] Dislocations, mesoscale simulations and plastic flow

L Kubin - 2013 - books.google.com
In the past twenty years, new experimental approaches, improved models and progress in
simulation techniques have brought new insights into longstanding issues concerning …

Towards a greater understanding of serrated flows in an Al-containing high-entropy-based alloy

J Brechtl, SY Chen, X **e, Y Ren, JW Qiao… - International Journal of …, 2019 - Elsevier
A serrated flow, which occurs in a material undergoing mechanical deformation, is a
complex process of great engineering significance. Here statistical, dynamical, and …

Current theoretical approaches to collective behavior of dislocations

G Ananthakrishna - Physics reports, 2007 - Elsevier
Plastic deformation is a highly dissipative process that induces a variety of patterns such as
the cell structure in multislip conditions, the matrix structure and the persistent slip bands in …

Experiments and model for serration statistics in low-entropy, medium-entropy and high-entropy alloys

R Carroll, C Lee, CW Tsai, JW Yeh, J Antonaglia… - Scientific reports, 2015 - nature.com
High-entropy alloys (HEAs) are new alloys that contain five or more elements in roughly-
equal proportion. We present new experiments and theory on the deformation behavior of …

Quasi-periodic events in crystal plasticity and the self-organized avalanche oscillator

S Papanikolaou, DM Dimiduk, W Choi, JP Sethna… - Nature, 2012 - nature.com
When external stresses in a system—physical, social or virtual—are relieved through
impulsive events, it is natural to focus on the attributes of these avalanches,. However …