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
… the strength of body-centered cubic (BCC) tungsten (W). [1–11]-oriented W nanowires with
(121) twin … on single-crystal and twinned W nanowires. The fracture strength of the twinned W …

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

S Wei, Q Wang, H Wei, J Wang - Materials Research Letters, 2019 - Taylor & Francis
… In this study, we investigate the deformation of [112]-oriented BCC tungsten nanowires
under different loading modes. It shows that dislocation plasticity is a predominant deformation …

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
tungsten (W) nanowires using in situ nanomechanical testing. Quantitative experimental
studies directly visualize that deformation twins in W nanowires … in face-centred cubic metals. …

Unstable twin in body-centered cubic tungsten nanocrystals

X Wang, J Wang, Y He, C Wang, L Zhong… - Nature …, 2020 - nature.com
… MD simulation indicated that high-energy interfaces rather than coherent twin boundaries
could induce the detwinning in Bcc nanowires during unloading 17 , consistent with our …

Anti-twinning in nanoscale tungsten

J Wang, Z Zeng, M Wen, Q Wang, D Chen, Y Zhang… - Science …, 2020 - science.org
… , in nanoscale body-centered cubic (BCC) tungsten crystals. By conducting in situ … the
nucleation and growth of anti-twins in tungsten nanowires with diameters less than about 20 nm. …

Synthesis and Physical Characteristics of Undoped and Potassium-Doped Cubic Tungsten Trioxide Nanowires through Thermal Evaporation

PH Sung, HK Yen, SM Yang, KC Lu - Nanomaterials, 2023 - mdpi.com
cubic tungsten trioxide nanowires through the thermal evaporation of WO 3 powder without
a catalyst. The WO 3 nanowires … ratio and density of the nanowires. The morphologies of the …

Twinning dynamics in nanoscale body-centered cubic tungsten

X Li, Q Zeng, J Wang - Scripta Materialia, 2022 - Elsevier
… Based on the evolution of lattice strain in our W nanowires, the critical resolved shear
stress for the twin nucleation was measured to be ∼9 GPa. The measured stresses are on the …

Graphene-coated tungsten nanowires deliver unprecedented modulus and strength

ZW Hu, M Wang, CW Guo, ZW Shan, J Li… - Materials Research …, 2019 - Taylor & Francis
… High-resolution TEM from the edge of nanowire indicates that it is body-centered cubic … on
the elastic properties of nanowires, we tested two of the nanowires purged by plasma cleaning…

Synthesis of ultrathin metal nanowires with chemically exfoliated tungsten disulfide nanosheets

TI Kim, IJ Park, SY Choi - Nano Letters, 2020 - ACS Publications
… of metal nanowires has not been explored. Here, we propose a new approach to synthesize
ultrathin metal nanowires using TMDs for the first time. High-quality ultrathin nanowires with …

MeV irradiation of tungsten nanowires: structural modifications

J Grossi, J Kohanoff, EM Bringa - Materials Research Express, 2020 - iopscience.iop.org
… can be applied to any nanowire orientation, but here we only consider nanowires with z axis
… for the wide nanowire. Each vacancy is represented by a cube of 8 atoms: tungsten atoms, …