Prominent role of basal slip during high-temperature deformation of pure Mg polycrystals

CM Cepeda-Jiménez, JM Molina-Aldareguia… - Acta Materialia, 2015 - Elsevier
Several controversies regarding the mechanical behavior of Mg at moderate temperatures
and quasi-static strain rates remain unsolved. In particular, the fundamental reasons behind …

Deformation modes in magnesium (0 0 0 1) and single crystals: simulations versus experiments

A Luque, M Ghazisaeidi, WA Curtin - Modelling and Simulation in …, 2013 - iopscience.iop.org
Magnesium is an excellent candidate as lightweight structural material, but has strong
plastic anisotropy, and the activation of, operation of, and competition between different slip …

[HTML][HTML] Evolution of deformation twinning mechanisms in magnesium from low to high strain rates

NM della Ventura, A Sharma, S Kalácska, M Jain… - Materials & Design, 2022 - Elsevier
We present a systematic investigation of {10 1¯ 2} extension twinning mechanism in single
crystal magnesium micropillars deformed over seven orders of magnitude of strain rate, from …

Deformation mechanisms, activated slip systems and critical resolved shear stresses in an Mg-LPSO alloy studied by micro-pillar compression

R Chen, S Sandlöbes, C Zehnder, X Zeng… - Materials & Design, 2018 - Elsevier
We study the micro-mechanical behaviour of single-crystalline long-period-stacking ordered
(LPSO) structures, α-Mg and bi-crystalline Mg/LPSO micro-pillars, all cut from the same Mg …

[HTML][HTML] Stacking-fault mediated plasticity and strengthening in lean, rare-earth free magnesium alloys

I Basu, M Chen, J Wheeler, RE Schäublin, JF Löffler - Acta Materialia, 2021 - Elsevier
A magnesium alloy with lean additions of Zn (1 wt.%) and Ca (0.3 wt.%), ZX10, and pure Mg
were subjected to orientation-dependent micropillar indentation tests at ambient …

Temperature dependency of slip and twinning in plane strain compressed magnesium single crystals

A Chapuis, JH Driver - Acta Materialia, 2011 - Elsevier
This study aims to characterize the critical resolved shear stresses (CRSSs) of slip and
twinning in magnesium crystals, as a function of temperature, under conditions of imposed …

On the role of anomalous twinning in the plasticity of magnesium

KD Molodov, T Al-Samman, DA Molodov, G Gottstein - Acta Materialia, 2016 - Elsevier
Specially oriented Mg single crystals were deformed at ambient and elevated temperatures
in channel-die compression with the c-axis inclined at 45° to the compression direction and< …

[HTML][HTML] Effects of temperature on critical resolved shear stresses of slip and twining in Mg single crystal via experimental and crystal plasticity modeling

KS Shin, L Wang, M Bian, S Choi, A Komissarov… - Journal of Magnesium …, 2023 - Elsevier
Magnesium (Mg) single crystal specimens with three different orientations were prepared
and tested from room temperature to 733 K in order to systematically evaluate effects of …

Evolution of dislocation and twin densities in a Mg alloy at quasi-static and high strain rates

M Wang, XY Xu, HY Wang, LH He, MX Huang - Acta Materialia, 2020 - Elsevier
The present work, for the first time, quantitatively studies the evolution of both dislocations
and deformation twins with various strain rates in an ATZ311 Mg alloy. Interrupted tensile …

Multiscale modelling of MgO plasticity

J Amodeo, P Carrez, B Devincre, P Cordier - Acta Materialia, 2011 - Elsevier
We propose a multiscale model of plasticity of pure MgO single crystals. The core structure
of the rate controlling ½〈 110〉 screw dislocations has been modelled by the Peierls …