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 …

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…

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

Tensile and compressive behavior of tungsten, molybdenum, tantalum and niobium at the nanoscale

JY Kim, D Jang, JR Greer - Acta Materialia, 2010 - Elsevier
anti-twinning dislocation glide direction and to the strong dependence of the critical resolved
shear stress on the non-glide applied stress tensor components [3], [23]. The slope of Ta in …

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, 2023 - Elsevier
… By carefully examining the atomic motion in the MD results during the anti-twinning process,
we found for the first time that the anti-twinning is not a … Anti-twinning in nanoscale 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

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 …

On the significance of model design in atomistic calculations of the Peierls stress in Nb

WR Jian, S Xu, IJ Beyerlein - Computational Materials Science, 2021 - Elsevier
… /anti-twinning asymmetry, we repeat calculations of the Peierls stress using the six model
configurations. The twinning/anti-twinning … In contrast, the anti-twinning direction requires the …

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

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…