Enhanced deformation mechanisms by anisotropic plasticity in polycrystalline Mg alloys at room temperature

J Koike - Metallurgical and Materials Transactions A, 2005 - Springer
This article presents room-temperature deformation mechanisms in polycrystalline Mg
alloys. Dislocation slip of basal and prismatic types are shown to occur nearly at the same …

Modeling the effect of twinning and detwinning during strain-path changes of magnesium alloy AZ31

G Proust, CN Tomé, A Jain, SR Agnew - International Journal of Plasticity, 2009 - Elsevier
Hexagonal materials deform plastically by activating diverse slip and twinning modes. The
activation of such modes depends on their relative critical stresses, and the orientation of the …

Demonstration of alloying, thermal activation, and latent hardening effects on quasi-static and dynamic polycrystal plasticity of Mg alloy, WE43-T5, plate

JJ Bhattacharyya, F Wang, PD Wu… - International Journal of …, 2016 - Elsevier
The mechanical response of rare earth containing Mg alloy, WE43, plates is found to be
more isotropic, as compared to conventional alloys like AZ31, despite a moderately strong …

Deformation mechanisms of magnesium alloys

SR Agnew - Advances in wrought magnesium alloys, 2012 - Elsevier
This chapter discusses the deformation mechanisms responsible for the complex
mechanical behaviors exhibited by Mg and its alloys. The use of new experimental (eg …

Work-hardening behaviour of Mg single crystals oriented for basal slip

B Bhattacharya, M Niewczas - Philosophical Magazine, 2011 - Taylor & Francis
Work-hardening behaviour of Mg single crystals oriented for basal slip was studied by
means of tensile tests carried out at 4, 78 and 295 K. The crystals show critical resolved …

Dislocation induced twin growth and formation of basal stacking faults in {101 2} twins in pure Mg

F Wang, CD Barrett, RJ McCabe, H El Kadiri… - Acta Materialia, 2019 - Elsevier
In situ tension experiments were performed on oriented pure Mg single crystal specimens,
within a transmission electron microscope. Several microstructure evolutions directly related …

Rate-dependent hardening due to twinning in an ultrafine-grained magnesium alloy

B Li, SP Joshi, O Almagri, Q Ma, KT Ramesh, T Mukai - Acta materialia, 2012 - Elsevier
An ultrafine-grained (UFG) ZK60Mg alloy with an average grain size of∼ 1.0 μm was
processed by extrusion at relatively low temperature (488K) with a high area reduction ratio …

Deformation behavior of magnesium in the grain size spectrum from nano-to micrometer

HJ Choi, Y Kim, JH Shin, DH Bae - Materials Science and Engineering: A, 2010 - Elsevier
This study investigates the deformation behavior of magnesium produced by hot extrusion of
ball-milled powders in grains ranging from 120μm down to 60nm in size. For microcrystalline …

Effect of indentation size on the nucleation and propagation of tensile twinning in pure magnesium

R Sánchez-Martín, MT Pérez-Prado, J Segurado… - Acta Materialia, 2015 - Elsevier
Tensile twinning is a key deformation mode in magnesium and its alloys, as well as in other
hcp metals. However, the fundamentals of this mechanism are still not fully understood. In …

Tension–compression asymmetry in an extruded Mg alloy AM30: Temperature and strain rate effects

Z Zachariah, SSV Tatiparti, SK Mishra… - Materials Science and …, 2013 - Elsevier
The effect of strain rate, ε̇, and temperature, T, on the tension–compression asymmetry
(TCA) in a dilute and wrought Mg alloy, AM30, over a temperature range that covers both …