Bending-induced deformation twinning in body-centered cubic tungsten nanowires

S Wei, Q Wang, H Wei, J Wang - Materials Research Letters, 2019 - Taylor & Francis
… slip and deformation twinning in body-centered cubic (BCC) … ]-oriented BCC tungsten
nanowires under different loading … uniaxial tension, while deformation twinning prevails when non-…

In situ atomic-scale observation of twinning-dominated deformation in nanoscale body-centred cubic tungsten

J Wang, Z Zeng, CR Weinberger, Z Zhang, T Zhu… - Nature materials, 2015 - nature.com
… Such deformation twinning is pseudoelastic, manifested … direct observations of deformation
twinning as well as new … images showing deformation twinning in a W bicrystal nanowire (15 …

Discrete twinning dynamics and size-dependent dislocation-to twin transition in body-centred cubic tungsten

J Wang, AHM Faisal, X Li, Y Hong, Q Zhu, H Bei… - Journal of Materials …, 2022 - Elsevier
… We also observe a dynamic competition between dislocation slip and deformation twinning,
resulting in a strong size-dependent dislocation-to-twin transition in W nanowires. These …

Anti-twinning in nanoscale tungsten

J Wang, Z Zeng, M Wen, Q Wang, D Chen, Y Zhang… - Science …, 2020 - science.org
… nanoscale body-centered cubic (BCC) tungsten crystals. By … of anti-twins in tungsten
nanowires with diameters less than … between dislocation slip and deformation twinning under the …

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
Deformation twinning has been verified in nanoscale W by in situ TEM observations, but
detwinning occurs after unloading [17], and the TBs are supposed to be not parallel to the twin …

[HTML][HTML] Discrete shear band plasticity through dislocation activities in body-centered cubic tungsten nanowires

J Wang, Y Wang, W Cai, J Li, Z Zhang, SX Mao - Scientific reports, 2018 - nature.com
… layer-by-layer thickening of deformation twinning in both FCC 7 and BCC 23 metals. Figure
3 show the dynamic thickening of a shear band in [112]-W nanowire. Initially, the shear band …

[HTML][HTML] Unstable twin in body-centered cubic tungsten nanocrystals

X Wang, J Wang, Y He, C Wang, L Zhong… - Nature …, 2020 - nature.com
… of Bcc metals, whereas deformation twinning is only activated … and the detwinning process
in Bcc tungsten (W) are strongly … the detwinning in Bcc nanowires during unloading 17 , …

Transition of deformation mechanisms in single-crystalline metallic nanowires

S Yin, G Cheng, G Richter, H Gao, Y Zhu - ACS nano, 2019 - ACS Publications
… competitive deformation mechanisms in face-centered cubic (FCC) metals. For FCC metallic
… by deformation twinning has been observed in MD simulations; deformation twinning was …

Enhanced tensile ductility of tungsten microwires via high-density dislocations and reduced grain boundaries

C Dang, W Lin, F Meng, H Zhang, S Fan, X Li… - Journal of Materials …, 2021 - Elsevier
Deformation twinning, which has been reported in W nanowires [36,[60], [61], [62]], was not
observed in our W microwires and bulk W since the resolved shear stress is much lower than …

[HTML][HTML] Wedge-shaped twins and pseudoelasticity in fcc metallic nanowires under bending

WG Nöhring, JJ Möller, Z Xie, E Bitzek - Extreme Mechanics Letters, 2016 - Elsevier
… The nanowires show ultra-high yield strengths, and the achievable large elastic … cubic <
110 > nanowires under uniaxial load, the tensile part of the wires exhibit deformation twinning, …