Tuning the scale of α precipitates in β-titanium alloys for achieving high strength

SA Mantri, D Choudhuri, T Alam, GB Viswanathan… - Scripta Materialia, 2018 - Elsevier
The strength of a commercial β‑titanium alloy was tuned by systematically controlling the
size-scale of α precipitation via two-step heat treatments. While the first step annealing at …

On variant distribution and coarsening behavior of the α phase in a metastable β titanium alloy

S Balachandran, A Kashiwar, A Choudhury… - Acta Materialia, 2016 - Elsevier
The stereology, variant distribution and coarsening behavior of semicoherent α (hcp)
precipitates in a β (bcc) matrix of a Ti5553 alloy has been analyzed, and a dominant 3 …

Microstructure and anisotropic tensile behavior of laser additive manufactured TC21 titanium alloy

Q Zhang, J Chen, Z Zhao, H Tan, X Lin… - Materials Science and …, 2016 - Elsevier
In the present work, two types of part with different geometries were fabricated by laser
additive manufacturing (LAM) process under the same processing parameters. Tensile …

Coupled experimental and computational investigation of omega phase evolution in a high misfit titanium-vanadium alloy

D Choudhuri, Y Zheng, T Alam, R Shi, M Hendrickson… - Acta Materialia, 2017 - Elsevier
Morphological and compositional evolution of omega (ω) precipitates in a model Titanium-
20 wt% Vanadium (or 19 at.% V) alloy has been systematically investigated by coupling …

The role of nano-scaled structural non-uniformities on deformation twinning and stress-induced transformation in a cold rolled multifunctional β-titanium alloy

Q Liang, Z Kloenne, Y Zheng, D Wang, S Antonov… - Scripta Materialia, 2020 - Elsevier
The microstructure in a multifunctional β-titanium alloy, Ti–24Nb–4Zr–8Sn (wt%), before and
after cold rolling was investigated using conventional and aberration-corrected …

Diffusional-displacive transformation in a metastable β titanium alloy and its strengthening effect

L Qi, S He, C Chen, B Jiang, Y Hao, H Ye, R Yang… - Acta Materialia, 2020 - Elsevier
Diffusional-displacive transformations are generally associated with mechanical properties
of materials such as high strength. Understanding structure evolution of these …

Change in the deformation mode resulting from beta-omega compositional partitioning in a TiMo alloy: Room versus elevated temperature

SA Mantri, D Choudhuri, T Alam, V Ageh, F Sun… - Scripta Materialia, 2017 - Elsevier
The effect of beta-omega compositional partitioning, introduced via isothermal annealing, on
the deformation behavior of a Tisingle bond Mo alloy was investigated via tensile testing at …

Fatigue crack growth and mechanical properties of laminated TC4/TB8 titanium alloys fabricated by diffusion bonding

T Li, F Zhou, L Long, B Wang, Z Tang, X Li - Materials Characterization, 2023 - Elsevier
Laminated TC4/TB8 titanium alloys with heterogeneous microstructures of lath and
equiaxed shape are fabricated by diffusion bonding and heat treatment to enhance the …

Deformation induced hierarchical twinning coupled with omega transformation in a metastable β-Ti alloy

SA Mantri, F Sun, D Choudhuri, T Alam, B Gwalani… - Scientific reports, 2019 - nature.com
Hierarchical twinning, at multiple length scales, was noted in a metastable body-centered
cubic (bcc) β-titanium alloy on tensile deformation. Site-specific characterization within the …

Shuffle-induced modulated structure and heating-induced ordering in the metastable β-titanium alloy, Ti-5Al-5Mo-5V-3Cr

Y Zheng, S Antonov, Q Feng, R Banerjee, D Banerjee… - Scripta Materialia, 2020 - Elsevier
A nano-scaled shuffle-induced modulated structure and heating-induced ordering have
been characterized in a metastable β-titanium alloy, Ti-5Al-5Mo-5V-3Cr, and their inter …