Incipient deformation twinning in dynamically sheared bcc tantalum

CQ Chen, JN Florando, M Kumar, KT Ramesh… - Acta materialia, 2014 - Elsevier
Mechanical twinning has been introduced into a body-centered cubic metal, tantalum,
through shear-dominant dynamic loading at a high shear strain rate (up to 3× 10 4/s) at 77 K …

Formation of 60< 011̅0> boundaries between {101̅2} twin variants in deformation of a magnesium alloy

P Chen, F Wang, J Ombogo, B Li - Materials Science and Engineering: A, 2019 - Elsevier
Interrupted tensile testing along the normal direction of a rolled AZ31 magnesium plate was
conducted at various strain levels from 6% to 15.5%. Prior to deformation the specimens …

Atomistic simulations of interaction between basal< a> dislocations and three-dimensional twins in magnesium

M Gong, G Liu, J Wang, L Capolungo, CN Tomé - Acta Materialia, 2018 - Elsevier
Dislocation slip and twinning are equally important in the plastic deformation of hexagonal
close packed crystals. Basal slip and extension 10 1¯ 2< 1¯ 011> twins can be activated …

Crystallographic characters of {11¯ 22} twin-twin junctions in titanium

S Xu, M Gong, X Xie, Y Liu, C Schuman… - Philosophical …, 2017 - Taylor & Francis
Abstract contraction twins that are commonly activated in α-titanium interact to each other
and form three types of twin–twin junctions (,, TTJs) corresponding to the crystallography of …

Deformation twinning in nanocrystalline materials

YT Zhu, XZ Liao, XL Wu - Progress in Materials Science, 2012 - Elsevier
Nanocrystalline (nc) materials can be defined as solids with grain sizes in the range of 1–
100 nm. Contrary to coarse-grained metals, which become more difficult to twin with …

In Situ Characterization of the Effect of Twin-Microstructure Interactions on {1 0 1 2} Tension and {1 0 1 1} Contraction Twin Nucleation, Growth and Damage in …

WD Russell, NR Bratton, YR Paudel, RD Moser… - Metals, 2020 - mdpi.com
Through in situ electron backscatter diffraction (EBSD) experiments, this paper uncovers
dominant damage mechanisms in traditional magnesium alloys exhibiting deformation …

Formation of fivefold deformation twins in nanocrystalline face-centered-cubic copper based on molecular dynamics simulations

AJ Cao, YG Wei - Applied physics letters, 2006 - pubs.aip.org
Fivefold deformation twins were reported recently to be observed in the experiment of the
nanocrystalline face-centered-cubic metals and alloys. However, they were not predicted …

Slip transmutation between basal< a> dislocation and {112¯ 1} twinning across {112¯ 4} twin boundary in titanium

X Liu, X Yin, X Yang, H Chen, J Wang - Scripta Materialia, 2022 - Elsevier
Molecular dynamics simulations reveal slip transmutation mechanisms between basal< a>
dislocations and {11 2¯ 1} twinning in titanium. When a co-planar pileup of basal< a> …

Deformation twinning and its effect on crack extension

QH Tang, TC Wang - Acta materialia, 1998 - Elsevier
Deformation twinning near a crack tip is observed in bcc metal Mo based on molecular
dynamics simulation at temperature T= 50K and loading rate K ̇ II= 0.0706 MPa m 1/2/ps …

Determination of twinning path from broken symmetry: A revisit to deformation twinning in bcc metals

Y Gao, Y Zhang, Y Wang - Acta Materialia, 2020 - Elsevier
Deformation twinning in crystals is one of the major strain carrier during plastic deformation,
which plays a critical role in determining the mechanical properties of metals and alloys …