Transfer or blockage: Unraveling the interaction between deformation twinning and grain boundary in tantalum under shock loading with molecular dynamics

ZC Meng, MM Yang, AH Feng, SJ Qu, F Zhao… - Journal of Materials …, 2023 - Elsevier
Abstract The interaction between {112}< 111> deformation twinning and grain boundary in
coaxial polycrystalline tantalum under shock compression was studied with molecular …

Influences of grain size on the deformation behavior of a twinning-induced plasticity metastable β titanium alloy

X Huang, JS Li, MJ Lai - Journal of Alloys and Compounds, 2023 - Elsevier
The influences of grain size on the deformation behavior of a metastable β-type Ti–12Mo
(wt%) alloy has been investigated by using uniaxial tensile testing, scanning electron …

High strength and high work hardening rate in oxygen gradient Ti-15Mo alloy

Z Wang, K Yao, B Du, S He, X Min, S Xin… - Journal of Materials …, 2024 - Elsevier
The low work hardening is a prominent deficiency for high-strength titanium (Ti) alloys. The
gradient design of oxygen content was adopted to realize the coupling deformation of {332}< …

Understanding cross boundary {332}< 113> twins in a Ti-15Mo alloy by composite Schmid factor

Y Zhang, X Li, R Xin, S Xin, Q Liu - Materials Characterization, 2022 - Elsevier
This work aims to understand the cross-boundary behavior of {332}< 113> twinning in a
metastable β type titanium alloy: Ti-15Mo alloy, especially the variant selection mechanism …

Mechanical anisotropy of laser powder bed fusion fabricated Ti-41Nb alloy using pre-alloyed powder: Roles played by grain morphology and crystallographic …

Z Li, H Xu, A Dong, X Cai, L He, D Du, H Xing… - Journal of Alloys and …, 2022 - Elsevier
This work investigated the influence of the grain morphology and crystallographic orientation
on the mechanical anisotropy of a laser powder bed fusion produced (L-PBFed) Ti-41 Nb …

Grain refinement induced unusually large shape memory effect in lightweight titanium alloy

JX Zhang, JY Zhang, WC Xiao, JX Hou, Q Li, B Xiao… - Acta Materialia, 2024 - Elsevier
High-performance and lightweight shape memory alloys (SMAs) play a pivotal role in a
variety of cutting-edge fields like aerospace, which however, are still quite difficult to be …

{332}< 113> twinning in a β-type Ti-Nb alloy over a wide range of strain rates

C Li, J Chen, Y Cai, X Zhao, J Hua, J Wu… - Materials Science and …, 2024 - Elsevier
Abstract The {332}< 113> twinning in a β-type Ti-25Nb alloy is investigated quantitatively at
10% compression strain over a wide range of strain rate from 1 0− 2 s− 1 to 1 0 6 s− 1, using …

Study of low-temperature impact deformation behavior of Ti–6Al–4V alloy

D Li, ZC Meng, YY Shen, JH Zhang, M Hu, JK Qiu… - Vacuum, 2024 - Elsevier
The impact behavior of the Ti–6Al–4V alloy has been investigated at varying temperatures
(298 K, 223 K, 77 K) in this study. The results reveal a decrease in toughness with reduced …

The {332}< 113> Twinning Behavior of a Ti-15Mo Medical Alloy during Cyclic Deformation and Its Effect on Microstructure and Performance

T Xu, B Sun, S Zhang, Y Liu, W Sun, N Cui, B Lv - Materials, 2024 - mdpi.com
In this study, the microstructural evolution of a Ti-15Mo medical alloy was investigated, when
the in situ cyclic tensile strain had 2% amplitude and the tension–compression cyclic …

Exploring the Influence of the Coarse Grain Size and Ag Atomic Content on Mechanical Properties of Bimodal Nanotwinned Cu-Ag Alloys

Y Zhi, A Guo, F Zhang, Q Tang, H Yang - JOM, 2023 - Springer
The deformation mechanism of bimodal nanotwinned (NT) Cu-Ag alloy with grain boundary
segregation has been simulated by the molecular dynamics method. The equidistance …