Revealing the deformation twinning nucleation mechanism of BCC HEAs

ZH Aitken, YW Zhang - MRS Communications, 2019 - cambridge.org
… here is facilitated by a set of {112} planes displaced in the twinning and antitwinning direction.
… of twinning-dominated deformation in nanoscale body-centred cubic tungsten. Nat. Mater. …

On the nucleation mechanism of {112}< 111> mechanical twins in as-quenched β metastable Ti-12 wt.% Mo alloy

M Marteleur, H Idrissi, B Amin-Ahmadi, F Prima… - Materialia, 2019 - Elsevier
… have been observed in tungsten specimens after heating by … a 3 < 111 > anti-twinning partial
dislocation with much larger … by the FIB-extracted nanoscale sample is much larger than its …

Multiplicity of dislocation pathways in a refractory multiprincipal element alloy

F Wang, GH Balbus, S Xu, Y Su, J Shin, PF Rottmann… - Science, 2020 - science.org
… –anti-twinning asymmetry known for {112} planes (17) or to a shear in a positive or
negative sense on other planes (Fig. 5B), also takes on a probabilistic nature. Slip in the anti-twinning

Dislocation evolution during additive manufacturing of tungsten

Y Cui, K Li, C Wang, W Liu - Modelling and Simulation in …, 2021 - iopscience.iop.org
… further increase the DBTT, lead to nanoscale gas pores concentrated at the grain boundary,
… -compression asymmetry and the twinning anti-twinning asymmetry. More details and the …

[HTML][HTML] Deformation and failure by weaving dislocation networks in body-centered-cubic tungsten

H Cao, W Lu, M Yi, S Wang - Materials & Design, 2022 - Elsevier
… BCC tungsten after macroscopic plastic deformation is particularly important. In the present
work, by directly deforming 3-mm tungsten transmission … Anti-twinning in nanoscale tungsten

In Situ TEM Investigation on Mechanical Behaviors of Metallic Nanocrystals at the Atomic Scale

S Zheng - 2023 - search.proquest.com
… for investigating the mechanical behaviors of nanoscale tungsten (W) at elevated temperature.
… by twinning when stretched along a <110>-anti-twinning direction (Figure 2.9), which was …

Tension–Compression Asymmetry of BCC NbMoTaW in High Entropy Alloy Nanowires

Y Pan, T Fu, M Duan, C Li, H Hu… - ACS Applied Nano …, 2024 - ACS Publications
Anti-twinning in nanoscale tungsten. Sci. Adv. … Orientation effect on twin formation mechanisms
of tungsten under uniaxial tension/compression. Mater Today Commun 2023, 36, 106790 …

Molecular dynamics simulation of tensile deformation behavior of single-crystal Fe–Cr–Al before and after irradiation

T Ye, Z Wang, Y Wu, J Zhang, P Chen, M Wang… - Journal of Materials …, 2023 - Springer
… In bcc tungsten crystals, Wang et al. [22] found that anti-twinning occurred with diameters of
nanowires less than 20 nm and the transition from dislocation slip to anti-twinning was due to …

Nucleation of extended defects in BCC transition metals

AHM Faisal, CR Weinberger - International Journal of Plasticity, 2023 - Elsevier
… Dislocation nucleation beyond λ ≥ 0.5 is observed because large shear in the twinning
direction is equivalent to shearing in the anti-twinning sense. While the structures are not …

Modeling Deformation Twinning in BCC Transition Metals

AHM Faisal - 2023 - search.proquest.com
… the growth of twins in Tungsten bicrystals explaining multi-… Nanoscale sized grains can also
promote the transition from … by a partial dislocation in the anti-twinning direction and would …