A review of metastable beta titanium alloys

RP Kolli, A Devaraj - Metals, 2018 - mdpi.com
In this article, we provide a broad and extensive review of beta titanium alloys. Beta titanium
alloys are an important class of alloys that have found use in demanding applications such …

A review of the metastable omega phase in beta titanium alloys: the phase transformation mechanisms and its effect on mechanical properties

JA Ballor, T Li, F Prima, CJ Boehlert… - International …, 2023 - journals.sagepub.com
Since its discovery in 1954, the omega (ω) phase in titanium and its alloys has attracted
substantial attention from researchers. The β-to-ω and ω-to-α phase transformations are …

[HTML][HTML] A low-cost hierarchical nanostructured beta-titanium alloy with high strength

A Devaraj, VV Joshi, A Srivastava, S Manandhar… - Nature …, 2016 - nature.com
Lightweighting of automobiles by use of novel low-cost, high strength-to-weight ratio
structural materials can reduce the consumption of fossil fuels and in turn CO 2 emission …

Role of ω phase in the formation of extremely refined intragranular α precipitates in metastable β-titanium alloys

Y Zheng, REA Williams, D Wang, R Shi, S Nag, P Kami… - Acta Materialia, 2016 - Elsevier
Coupling high-resolution characterization and phase-field microelasticity modeling, the non-
conventional transformation pathway, mediated by ω precipitates, that leads to super-refined …

New insights into the phase transformations to isothermal ω and ω-assisted α in near β-Ti alloys

T Li, D Kent, G Sha, LT Stephenson, AV Ceguerra… - Acta Materialia, 2016 - Elsevier
For multicomponent near-β alloys, we have investigated the mechanisms responsible for the
β-to-ω and ω-to-α phase transformations upon isothermal ageing at 573 K. Experimental …

Three-dimensional nanoscale characterisation of materials by atom probe tomography

A Devaraj, DE Perea, J Liu, LM Gordon… - International …, 2018 - Taylor & Francis
The development of three-dimensional (3-D), characterisation techniques with high spatial
and mass resolution is crucial for understanding and developing advanced materials for …

Origin of the ductile-to-brittle transition of metastable β-titanium alloys: Self-hardening of ω-precipitates

W Chen, S Cao, W Kou, J Zhang, Y Wang, Y Zha… - Acta Materialia, 2019 - Elsevier
The ductile-to-brittle transition is commonly observed in metastable β-titanium (Ti) alloys
containing ω-precipitates, while the fundamental understanding on ω-embrittlement hitherto …

Atomistic mechanism of phase transformation between topologically close-packed complex intermetallics

H Jin, J Zhang, P Li, Y Zhang, W Zhang, J Qin… - Nature …, 2022 - nature.com
Understanding how topologically close-packed phases (TCPs) transform between one
another is one of the challenging puzzles in solid-state transformations. Here we use atomic …

The effect of alloy composition on instabilities in the β phase of titanium alloys

Y Zheng, REA Williams, S Nag, R Banerjee, HL Fraser… - Scripta Materialia, 2016 - Elsevier
A metastable nano-scale disordered precipitate with orthorhombic symmetry has been
identified using high resolution scanning transmission electron microscopy. The phase …

Thermal stability and phase transformations of martensitic Ti–Nb alloys

M Bönisch, M Calin, T Waitz, A Panigrahi… - … and Technology of …, 2013 - iopscience.iop.org
Aiming at understanding the governing microstructural phenomena during heat treatments
of Ni-free Ti-based shape memory materials for biomedical applications, a series of Ti–Nb …