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 …

Portevin-Le Châtelier effect in wrought Ni-based superalloys: Experiments and mechanisms

C Cui, R Zhang, Y Zhou, X Sun - Journal of Materials Science & …, 2020 - Elsevier
Abstract The Portevin-Le Châtelier (PLC) effect is a plastic instability in alloys at certain
strain rates and deformation temperatures. This plastic instability exhibits serrated yielding in …

Kinematic and thermal characteristics of Lüders and Portevin-Le Châtelier bands in a medium Mn transformation-induced plasticity steel

XG Wang, L Wang, MX Huang - Acta Materialia, 2017 - Elsevier
This paper focuses on experimental investigations on the kinematic and thermal aspects of
the propagative plastic instabilities, namely Lüders band and Portevin–Le Châtelier (PLC) …

The influence of precipitation on plastic deformation in a high Mg-containing AlMgZn-based crossover alloy: Slip localization and strain hardening

X Zhang, C Yang, L Meng, Z Chen, W Gong… - International Journal of …, 2024 - Elsevier
The distribution and partitioning of solute atoms in age-hardenable aluminum (Al) alloys
markedly impact strength, ductility and failure of alloy materials, thus rendering the …

High-efficiency and high-accuracy digital image correlation for three-dimensional measurement

Y Gao, T Cheng, Y Su, X Xu, Y Zhang… - Optics and Lasers in …, 2015 - Elsevier
The computational efficiency and measurement accuracy of the digital image correlation
(DIC) have become more and more important in recent years. For the three-dimensional DIC …

Glare: A free and open-source software for generation and assessment of digital speckle pattern

Y Su, Q Zhang - Optics and Lasers in Engineering, 2022 - Elsevier
Generating digital speckle image and its corresponding deformed image is the basis of
digital image correlation research. At present, however, it still lacks a powerful, easy-to-use …

Three types of Portevin–Le Chatelier effects: Experiment and modelling

H Jiang, Q Zhang, X Chen, Z Chen, Z Jiang, X Wu… - Acta materialia, 2007 - Elsevier
By employing the dynamic digital speckle pattern interferometry (DSPI) technique, three
types of Portevin–Le Chatelier (PLC) effects are investigated systematically, with emphasis …

Quality assessment of speckle patterns for DIC by consideration of both systematic errors and random errors

Y Su, Q Zhang, X Xu, Z Gao - Optics and Lasers in Engineering, 2016 - Elsevier
The performance of digital image correlation (DIC) is influenced by the quality of speckle
patterns significantly. Thus, it is crucial to present a valid and practical method to assess the …

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 …

The influence of shearable and nonshearable precipitates on the Portevin-Le Chatelier behavior in precipitation hardening AlMgScZr alloys

H Chen, Z Chen, G Ji, S Zhong, H Wang… - International Journal of …, 2021 - Elsevier
The well-known mechanisms of interaction between precipitates and dislocations are
shearing (for shearable precipitates) and bypassing mechanisms (for nonshearable …