Atomic shuffling dominated mechanism for deformation twinning in magnesium

B Li, E Ma - Physical review letters, 2009 - APS
Deformation twinning is often mediated by partial dislocation activities at the twin boundary.
Using molecular dynamics simulations, we have uncovered a new mechanism for the most …

Effect of particles on the formation of deformation twins in a magnesium-based alloy

N Stanford, MR Barnett - Materials Science and Engineering: A, 2009 - Elsevier
The deformation behaviour of the age hardenable alloy Mg–5% Zn after different
precipitation treatments has been examined. It has been found that during compressive …

Improvement of formability of Mg–Al–Zn alloy sheet at low temperatures using differential speed rolling

X Huang, K Suzuki, A Watazu, I Shigematsu… - Journal of Alloys and …, 2009 - Elsevier
The differential speed rolling (DSR) with a roll speed ratio of 1.167 was carried out on an
AZ31B magnesium alloy in order to investigate its effects on the formability. Compared with …

Texture and stretch formability of a rolled Mg–Zn alloy containing dilute content of Y

Y Chino, K Sassa, M Mabuchi - Materials Science and Engineering: A, 2009 - Elsevier
Texture and stretch formability of rolled Mg–Zn alloys containing dilute Y were investigated.
Dilute Y addition effectively weakened and modified the basal texture, contributing to the …

In situ neutron diffraction investigation of deformation twinning and pseudoelastic-like behaviour of extruded AZ31 magnesium alloy

O Muránsky, DG Carr, P Šittner, EC Oliver - International Journal of …, 2009 - Elsevier
In situ neutron diffraction has been used to investigate the deformation twinning and
untwinning during cyclic uniaxial straining of hydrostatically extruded AZ31 magnesium …

Zonal dislocations mediating {101 1}< 101 2> twinning in magnesium

B Li, E Ma - Acta Materialia, 2009 - Elsevier
The twin boundary (TB) interfacial structure and the configuration of zonal twinning
dislocations for {101¯ 1}〈 101¯ 2¯〉 twin growth in magnesium have been investigated by …

Relationship between stretch formability and work-hardening capacity of twin-roll cast Mg alloys at room temperature

DH Kang, DW Kim, S Kim, GT Bae, KH Kim, NJ Kim - Scripta Materialia, 2009 - Elsevier
The stretch formability of twin-roll cast (TRC) Mg alloys at room temperature has been
investigated in relation to their work-hardening capacity. It is shown that there is a linear …

Crystal plasticity-based forming limit prediction for non-cubic metals: application to Mg alloy AZ31B

CJ Neil, SR Agnew - International Journal of Plasticity, 2009 - Elsevier
A viscoplastic crystal plasticity model is incorporated within the Marciniak–Kuczynski (M–K)
approach for forming limit curve prediction. The approach allows for the incorporation of …

Enhanced stretch formability of Mg–Al–Zn alloy sheets rolled at high temperature (723 K)

Y Chino, M Mabuchi - Scripta Materialia, 2009 - Elsevier
The texture and stretch formability of Mg–3.0 wt.% Al–1.0 wt.% Zn–0.5 wt.% Mn alloy sheets
rolled at 663 and 723K were investigated at room temperature. The specimen rolled at 723K …

Pyramidal slip in magnesium: Dislocations and stacking fault on the {10 1 1} plane

B Li, E Ma - Philosophical Magazine, 2009 - Taylor & Francis
Molecular dynamics (MD) simulations are presented to illustrate the pyramidal slip
processes on the plane (also a twinning plane) in magnesium. The simulations reveal an …