The effect of size, orientation and alloying on the deformation of AZ31 nanopillars

ZH Aitken, H Fan, JA El-Awady, JR Greer - … of the Mechanics and Physics of …, 2015 - Elsevier
We conducted uniaxial compression of single crystalline Mg alloy, AZ31 (Al 3 wt% and Zn 1
wt%) nanopillars with diameters between 300 and 5000 nm with two distinct crystallographic …

Microplasticity-based rationalization of the room temperature yield asymmetry in conventional polycrystalline Mg alloys

CM Cepeda-Jiménez, MT Pérez-Prado - Acta Materialia, 2016 - Elsevier
The aim of the present work is to assess the activity of the dominant deformation slip systems
in the commercial cast alloy Mg-9% wt. Al-1% wt. Zn (AZ91) in the as-rolled, solution treated …

Softening and dynamic recrystallization in magnesium single crystals during c-axis compression

T Al-Samman, KD Molodov, DA Molodov, G Gottstein… - Acta materialia, 2012 - Elsevier
Commercial purity (99.8%) magnesium single crystals were subjected to plane strain
compression (PSC) along the c-axis at 200 and 370° C and a constant strain rate of 10− 3s …

Kinking nonlinear elasticity and the deformation of magnesium

AG Zhou, MW Barsoum - Metallurgical and Materials Transactions A, 2009 - Springer
Despite a large body of work devoted to understanding the deformation of polycrystalline
magnesium, there are still some outstanding questions, not the least of which are the nature …

Texture effects on plastic deformation of magnesium

R Gehrmann, MM Frommert, G Gottstein - Materials Science and …, 2005 - Elsevier
Plastic deformation of hexagonal metals such as magnesium is strongly affected by the
hexagonal crystal structure, and thus, for an understanding of the deformation behaviour of …

Dynamic recrystallization during high temperature deformation of magnesium

T Al-Samman, G Gottstein - Materials Science and Engineering: A, 2008 - Elsevier
As a consequence of the high critical stresses required for the activation of non-basal slip
systems, dynamic recrystallization plays a vital role in the deformation of magnesium …

Modelling the effect of pressure on the critical shear stress of MgO single crystals

J Amodeo, P Carrez, P Cordier - Philosophical Magazine, 2012 - Taylor & Francis
A hierarchical multi-scale model was used to study the effect of high pressure on the critical
shear stresses of MgO. The two main slip systems, ½⟨ 110⟩{110} and ½⟨ 110⟩{100}, were …

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 …

Three dimensional simulations of texture and triaxiality effects on the plasticity of magnesium alloys

B Selvarajou, SP Joshi, AA Benzerga - Acta Materialia, 2017 - Elsevier
We investigate the synergistic effects of texture and intrinsic plastic anisotropy (at the level of
single crystal) on the deformation of polycrystalline magnesium using three-dimensional …

Quantification of precipitate hardening of twin nucleation and growth in Mg and Mg-5Zn using micro-pillar compression

J Wang, M Ramajayam, E Charrault, N Stanford - Acta Materialia, 2019 - Elsevier
In polycrystalline materials, the stress corresponding to twin nucleation is difficult to separate
from twin growth because these events occur concurrently during deformation. In this work …