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

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…

Twinning dominated microstructural evolution in tungsten under impact loading

J Li, C Chen, J Xiao, M Wang, Z Du, C Deng - Journal of Materials Science, 2024 - Springer
Under extreme conditions such as impact loads, the dominant mechanism of tungsten (W)
deformation is not well understood, and this problem is crucial for the application of W in …

Atomistic Processes of high-temperature plastic deformation of nanoscale body-centered cubic tungsten

S Zheng, Z Fang, SX Mao - arXiv preprint arXiv:2310.18764, 2023 - arxiv.org
… high-temperature plastic deformation in tungsten nanocrystals remains not well understood,
… slip, are sequentially activated in the tungsten nanocrystal during high-temperature tensile …

Twinning and antitwinning in body-centered cubic metals

R Gröger, J Holzer, T Kruml - Computational Materials Science, 2023 - Elsevier
Deformation twinning in body-centered cubic (BCC) metals occurs by shearing the crystal
along { 112 } planes parallel to < 111 > directions. One of these directions (twinning shear) …

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

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

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 …

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 …