[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 …

State-of-the-knowledge on TWIP steel

BC De Cooman, O Kwon… - Materials Science and …, 2012 - journals.sagepub.com
High Mn twinning induced plasticity (TWIP) steel is a new type of structural steel,
characterised by both high strength and superior formability. TWIP steel offers an …

Phase transforming cellular materials

D Restrepo, ND Mankame, PD Zavattieri - Extreme Mechanics Letters, 2015 - Elsevier
We extend the notion of phase transformations to periodic cellular materials by introducing
materials whose unit cells have multiple stable configurations. Each stable configuration of …

A crystal plasticity model for twinning-and transformation-induced plasticity

SL Wong, M Madivala, U Prahl, F Roters, D Raabe - Acta Materialia, 2016 - Elsevier
A dislocation density-based crystal plasticity model incorporating both transformation-
induced plasticity (TRIP) and twinning-induced plasticity (TWIP) is presented. The approach …

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 …

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) …

On the origin of dynamic strain aging in twinning-induced plasticity steels

SJ Lee, J Kim, SN Kane, BC De Cooman - Acta Materialia, 2011 - Elsevier
Room temperature dynamic strain aging (DSA) is often observed from the beginning of
plastic deformation in high Mn Fe–18% Mn–0.6% C and Fe–22% Mn–0.6% C twinning …

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 Xie… - 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 …

High Mn TWIP steels for automotive applications

BC De Cooman, KG Chin, J Kim - New trends and developments …, 2011 - books.google.com
Modern car design puts an increasing emphasis on the notion that a material used in
building the body-in-white (BIW) should be selected on the basis of how well it helps …

Complex unloading behavior: Nature of the deformation and its consistent constitutive representation

L Sun, RH Wagoner - International Journal of Plasticity, 2011 - Elsevier
Complex (nonlinear) unloading behavior following plastic straining has been reported as a
significant challenge to accurate springback prediction. More fundamentally, the nature of …