Anti-twinning in nanoscale tungsten

J Wang, Z Zeng, M Wen, Q Wang, D Chen, Y Zhang… - Science …, 2020 - science.org
anti-twinning deformation, previously thought impossible, in nanoscale body-centered cubic
(BCC) tungsten … -twins in tungsten nanowires with diameters less than about 20 nm. During …

Orientation effect on twin formation mechanisms of tungsten under uniaxial tension/compression

Y Li, H Xie, D Zhen - Materials Today Communications, 2023 - Elsevier
… (anti-twinning) mode under tension (compression). On the contrary, tungsten nanopillars with
… observation of twinning-dominated deformation in nanoscale body-centred cubic tungsten

Effect of twin boundaries on the strength of body-centered cubic tungsten nanowires

J Cui, L Ma, G Chen, N Jiang, P Ke, Y Yang… - Materials Science and …, 2023 - Elsevier
… partly because of the experimental challenges associated with the measurement of the
mechanical properties of materials at the nanoscale [13,17]. … Anti-twinning in nanoscale tungsten

Twinning dynamics in nanoscale body-centered cubic tungsten

X Li, Q Zeng, J Wang - Scripta Materialia, 2022 - Elsevier
… The ultrahigh stress in nanoscale BCC metals also realized the antitwinning deformation (…
and anti-twinning. On the other hand, the discrete twinning dynamics in nanoscale BCC metals…

Shuffling pathway of anti-twinning in body-centered-cubic metals

H Xie, G Wei, JP Du, A Ishii, G Lu, P Yu, S Ogata - Scripta Materialia, 2024 - Elsevier
… The anti-twinning during nanoindentation was confirmed by generating a … in the MD results
during this anti-twinning process, we found the twin is … Anti-twinning in nanoscale tungsten

Phase transformation induced transitional twin boundary in body-centered cubic metals

X Li, Q Zhao, Y Tian, Q Wang, J Fan, K Song, H Zhou… - Acta Materialia, 2023 - Elsevier
… Besides, in the [100]-compressed Nb single crystals (an anti-twinning loading for ordinary
dislocation slip), we also observed the PT-mediated … Anti-twinning in nanoscale tungsten

Geometry and kinetics of glide of screw dislocations in tungsten between 95K and 573K

D Caillard - Acta Materialia, 2018 - Elsevier
… ) would be sheared in the anti-twinning direction, we have here the direct proof of a much
easier slip in the twinning direction, ie a strong twinning-anti-twinning asymmetry, at the scale …

Crystallographic-orientation-dependent unconventional twinning pathway at the crack tip of body-centered cubic tantalum

G Wei, H Xie, GH Lu - Philosophical Magazine, 2023 - Taylor & Francis
… Using molecular dynamics simulations, we find that shuffling anti-twinning and twinning …
-twin) can occur in BCC tungsten crystals under anti-twinning direction loading condition [Citation…

Atomic-scale observation of nucleation-and growth-controlled deformation twinning in body-centered cubic nanocrystals

L Zhong, Y Zhang, X Wang, T Zhu, SX Mao - Nature Communications, 2024 - nature.com
… -scale TEM observations of plastic deformation in nanoscale single-crystalline BCC Ta, and
… sheared in an anti-twinning sense The asymmetry in twinning and anti-twinning is known to …

Nanoindentation of nanoporous tungsten: A molecular dynamics approach

FJ Valencia, R Ortega, RI Gonzalez, EM Bringa… - Computational Materials …, 2022 - Elsevier
… Nanoporous metals, also known as metallic nanofoams, offer a wide range of functionalities
and improved mechanical properties enabled by nanoscale effects. In particular, tungsten