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 …

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

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…

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 …

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

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 …

[HTML][HTML] Grain boundary elimination by twinning and dislocation nucleation in front of intergranular crack tips in BCC iron

Z Zhao, B Safaei, Y Wang, F Chu, Y Wei - Materials & Design, 2022 - Elsevier
… All twinning bands are formed by atomic slip along ordinary twinning direction, but all
dislocations are nucleated by atomic slip along anti-twinningAnti-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 …

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

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