In-situ investigation of plasticity in a Ti-Al-V-Fe (α+ β) alloy: Slip mechanisms, strain localization, and partitioning

S Wei, J Kim, CC Tasan - International Journal of Plasticity, 2022 - Elsevier
As one of the representative characteristics of plastic deformation, microstructural plastic
strain inhomogeneity has triggered a broad interest in uncovering the corresponding …

Local microstructure and micromechanical stress evolution during deformation twinning in hexagonal polycrystals

MA Kumar, IJ Beyerlein - Journal of Materials Research, 2020 - cambridge.org
Deformation twinning is a prevalent plastic deformation mode in hexagonal close-packed
(HCP) materials, such as magnesium, titanium, and zirconium, and their alloys …

Deformation twins stimulated by {112¯ 2} twinning in adjacent grain in titanium

S Xu, J Wang - Acta Materialia, 2022 - Elsevier
Deformation twins are likely nucleated at and impeded by grain boundaries (GBs),
developing shear transformation bands. Knowing the accommodated deformation in …

Shock-induced two types of {101 2} sequential twinning in Titanium

S Xu, P Zhou, G Liu, D Xiao, M Gong, J Wang - Acta Materialia, 2019 - Elsevier
Shock loading causes complicated twinning processes in Ti and Ti alloys. In this work, two
types of {10 1¯ 2} sequential twinning processes are for the first time reported according to …

Atomic-level study of {101 1} deformation twinning in pure Ti and Ti-5at.% Al alloy

H Zhang, B Wei, X Ou, S Ni, H Yan, M Song - International Journal of …, 2022 - Elsevier
In this work, pure Ti and Ti-5at.% Al alloy are both cold rolled, and then characterized to
observe deformation twins {10 1¯ 1}. Many two-layer steps are observed at the {10 1¯ 1} …

Crystallographic-orientation-dependence plasticity of niobium under shock compressions

P Li, Y Huang, K Wang, S Xiao, L Wang, S Yao… - International Journal of …, 2022 - Elsevier
Plastic deformation mechanism of metals under shock compressions is one of longstanding
interests in compression science and materials related field. In this work, shock responses of …

Microtexture evolution effected by Mo content in α+ β titanium alloys

M Qi, Y Ma, J Yang, Y Jia, H Weng, S Huang… - Materials …, 2022 - Elsevier
Mo element significantly affects the microtexture evolution of α in α+ β titanium alloys. In this
study, the evolution of microtexture during thermomechanical processing in Ti-6Al-2Sn-4Zr …

Structural characteristics of {101 1} contraction twin-twin interaction in magnesium

Q Peng, Y Sun, J Wang, Q Zu, M Yang, H Fu - Acta Materialia, 2020 - Elsevier
Twin interface characteristics play a crucial role in elucidating twin propagation, twin-twin
and twin-dislocation interactions, and then affect their mechanical properties. Herein …

Deformation and fracture mechanism of Ti-6Al-4V target at high and hyper velocity impact

Y He, Z Zhang, S Yang, H Wang, X Cheng, L Liu… - International Journal of …, 2022 - Elsevier
This paper studies the deformation and fracture mechanism of Ti-6Al-4V titanium under high
velocity (970 m/s and 1590 m/s) and hypervelocity (2240 m/s) impacts. For the Ti-6Al-4V …

Grain size and specimen thickness effects on twinning behaviors in high strain rate deformation of ultra-thin pure titanium sheet

C Zhu, Y Chen, J Xu, H Yu, D Shan, B Guo - Materials Science and …, 2022 - Elsevier
Identifying grain size and specimen thickness effects on the twinning characteristics and
texture evolution of ultra-thin pure titanium sheet is essential for its extensive applications in …