Effect of Gd solutes on the micromechanical response of twinning and detwinning in Mg

M Maghsoudi, H Ovri, T Krekeler, M Ziehmer… - Acta Materialia, 2023 - Elsevier
An investigation of the effect of solutes on the migration of a single {10 1¯ 2} Gd decorated
twin boundary in a Mg-4wt.% Gd binary alloy in terms of the corresponding stress-strain …

Mechanisms for enhanced plasticity in magnesium alloys

SQ Zhu, HG Yan, XZ Liao, SJ Moody, G Sha, YZ Wu… - Acta Materialia, 2015 - Elsevier
We have recently reported that a high strain-rate rolling process is effective for producing
strong and ductile Mg alloy sheets. Here we elucidate the fundamental mechanisms that are …

Cyclic behavior of extruded magnesium: Experimental, microstructural and numerical approach

C Guillemer, M Clavel, G Cailletaud - International Journal of Plasticity, 2011 - Elsevier
The present study aims at determining the influence of cyclic straining on the behavior of
pure extruded magnesium. For this purpose, tensile, compressive and cyclic tests are …

Analysis of heterogeneous deformation and dislocation dynamics in single crystal micropillars under compression

S Akarapu, HM Zbib, DF Bahr - International Journal of Plasticity, 2010 - Elsevier
The size dependent deformation of Cu single crystal micropillars with thickness ranging from
0.2 to 2.5 μm subjected to uniaxial compression is investigated using a Multi-scale …

Time and spatial resolution of slip and twinning in a grain embedded within a magnesium polycrystal

PA Lynch, M Kunz, N Tamura, MR Barnett - Acta materialia, 2014 - Elsevier
Plastic yielding in magnesium alloys frequently involves the initiation of both slip and
twinning events. A proper understanding of the phenomenon at the grain level requires …

Flow asymmetry and nucleation stresses of {101¯ 2} twinning and non-basal slip in magnesium

H El Kadiri, JC Baird, J Kapil, AL Oppedal… - International Journal of …, 2013 - Elsevier
Non-Schmid phenomena leading to yield asymmetry are known to occur in BCC metals and
intermetallic compounds due to complex mechanisms such as those related to the three …

[HTML][HTML] On the strengthening and slip activity of Mg-3Al-1Zn alloy with pre-induced {101 2} twins

J Kuang, Y Zhang, X Du, J Zhang, G Liu… - Journal of Magnesium and …, 2023 - Elsevier
Abstract {10 1¯ 2} twins were introduced into the magnesium (Mg) plate AZ31 via pre-rolling
along its transverse direction. The plates, both with and without the pre-induced {10 1¯ 2} …

The contribution of grain boundary sliding to the deformation in an ultrafine-grained Mg–Al–Zn alloy

AP Carvalho, RB Figueiredo - Journal of Materials Science, 2023 - Springer
Severe plastic deformation through high-pressure torsion is used to refine the grain structure
of the Mg–Al–Zn alloy down to~ 140 nm and low temperature annealing is used to produce …

Characterizing microscale deformation mechanisms and macroscopic tensile properties of a high strength magnesium rare-earth alloy: A combined experimental and …

A Githens, S Ganesan, Z Chen, J Allison… - Acta Materialia, 2020 - Elsevier
The effect of aging on the accumulation of microscale plasticity, and the resulting
macroscopic mechanical behavior, were examined in the magnesium alloy WE43 under …

Micromechanics of tensile twinning in magnesium gleaned from molecular dynamics simulations

R Aghababaei, SP Joshi - Acta materialia, 2014 - Elsevier
This work discusses coarse-grained micromechanics of tensile twinning in magnesium (Mg)
extracted from molecular dynamics (MD) simulations. We perform MD simulations on Mg …