Growth twins and deformation twins in metals
This article reviews recent basic research on two classes of twins: growth twins and
deformation twins. We focus primarily on studies that aim to understand, via experiments …
deformation twins. We focus primarily on studies that aim to understand, via experiments …
[HTML][HTML] Twin-solute, twin-dislocation and twin-twin interactions in magnesium
Magnesium alloys have received considerable research interest due to their lightweight,
high specific strength and excellent castability. However, their plastic deformation is more …
high specific strength and excellent castability. However, their plastic deformation is more …
Strain rate and temperature effects on the selection of primary and secondary slip and twinning systems in HCP Zr
We investigate the temperature and rate dependence of slip, twinning, and secondary
twinning in high-purity hexagonal close packed α-Zr over a wide range of temperatures and …
twinning in high-purity hexagonal close packed α-Zr over a wide range of temperatures and …
Twinning-like lattice reorientation without a crystallographic twinning plane
Twinning on the plane is a common mode of plastic deformation for hexagonal-close-
packed metals. Here we report, by monitoring the deformation of submicron-sized single …
packed metals. Here we report, by monitoring the deformation of submicron-sized single …
Why are {101¯ 2} twins profuse in magnesium?
Abstract We show that {10 1¯ 2} twinning in magnesium acts as an effective sink of basal
dislocations without loss of mobility. The lattice dislocation decomposes into the b 0/0 BP …
dislocations without loss of mobility. The lattice dislocation decomposes into the b 0/0 BP …
Dislocation induced twin growth and formation of basal stacking faults in {101 2} twins in pure Mg
In situ tension experiments were performed on oriented pure Mg single crystal specimens,
within a transmission electron microscope. Several microstructure evolutions directly related …
within a transmission electron microscope. Several microstructure evolutions directly related …
[HTML][HTML] In-situ TEM observation of {101 2} twin-dominated deformation of Mg pillars: Twinning mechanism, size effects and rate dependency
To investigate the mechanism of {10 1¯ 2} twinning in magnesium (Mg) single crystal and its
influence on mechanical size effects and strain rate dependent deformation behavior, in-situ …
influence on mechanical size effects and strain rate dependent deformation behavior, in-situ …
Direct observation of dual-step twinning nucleation in hexagonal close-packed crystals
Abstract Design and processing of advanced lightweight structural alloys based on
magnesium and titanium rely critically on a control over twinning that remains elusive to date …
magnesium and titanium rely critically on a control over twinning that remains elusive to date …
The roles of grain boundary dislocations and disclinations in the nucleation of {1 0 1 2} twinning
CD Barrett, H El Kadiri - Acta materialia, 2014 - Elsevier
Consider a magnesium bicrystal created from two single crystal lattices referred to as black
and white. The bicrystal abuts a basal plane of the black crystal with a first-order prismatic …
and white. The bicrystal abuts a basal plane of the black crystal with a first-order prismatic …
Visualization and validation of twin nucleation and early-stage growth in magnesium
The abrupt occurrence of twinning when Mg is deformed leads to a highly anisotropic
response, making it too unreliable for structural use and too unpredictable for observation …
response, making it too unreliable for structural use and too unpredictable for observation …