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 …

Strengthening strategy for a ductile metastable β-titanium alloy using low-temperature aging

F Sun, JY Zhang, P Vermaut, D Choudhuri… - Materials Research …, 2017 - Taylor & Francis
While ω precipitates in metastable β titanium alloys are typically considered embrittling and
consequently deleterious to the mechanical properties, this paper demonstrates that low …

A thermo-mechanical treatment to improve the superelastic performances of biomedical Ti–26Nb and Ti–20Nb–6Zr (at.%) alloys

F Sun, YL Hao, S Nowak, T Gloriant, P Laheurte… - Journal of the …, 2011 - Elsevier
A flash-thermal treatment technique has been developed very recently to improve both the
critical stress to induce the martensitic transformation (MT) and the recoverable deformation …

Design of a low Young's modulus Ti-Zr-Nb-Sn biocompatible alloy by in situ laser powder bed fusion additive manufacturing process

H Schaal, P Castany, P Laheurte, T Gloriant - Journal of Alloys and …, 2023 - Elsevier
A new metastable β Ti-22Zr-11 Nb-2Sn (at%) biomedical titanium alloy was elaborated from
elemental powders by in situ laser powder bed fusion technique (L-PBF). Iterative design of …

Thermal stability and latent heat of Nb–rich martensitic Ti-Nb alloys

M Bönisch, A Panigrahi, M Calin, T Waitz… - Journal of alloys and …, 2017 - Elsevier
Ti-Nb-based alloys are candidate materials for load-bearing and for functional biomedical
implant components. For these applications alloy compositions with relatively low …

Effects of double aging heat treatment on the microstructure, Vickers hardness and elastic modulus of Ti–Nb alloys

ESN Lopes, A Cremasco, CRM Afonso… - Materials characterization, 2011 - Elsevier
Aging heat treatment can be a good way to optimize mechanical properties, changing the
microstructure, and hence, the mechanical behavior of Ti alloys. The effects of aging heat …

Effect of prior α2 phase on precipitation kinetics of O-phase in advanced Ti2AlNb alloy

W Ayadh, B Denand, A Halkoum, P Boulet, M Sennour… - Acta Materialia, 2023 - Elsevier
To study the influence of prior α 2 phase on O-phase formation kinetics in β matrix, different
isothermal heat treatments were performed at 876 and 780° C using an advanced Ti2AlNb …

High-strength nanostructured Ti–12Mo alloy from ductile metastable beta state precursor

F Sun, F Prima, T Gloriant - Materials Science and Engineering: A, 2010 - Elsevier
In this study, the metastable beta Ti–12Mo (wt.%) alloy was synthesized by the cold crucible
levitation melting (CCLM) method and then quenched in water from the beta domain. The …

[HTML][HTML] Microstructure evolution and phase transformation kinetics of low cost Ti-35421 titanium alloy during continuous heating

C Ding, X Li, HY Zhu, FW Chen, F Li… - Journal of Materials …, 2021 - Elsevier
The thermal expansion behavior, microstructure evolution and β→ ω iso phase
transformation kinetics of the low cost Ti–3Al–5Mo–4Cr–2Zr–1Fe (Ti-35421, wt.%) titanium …

Evolution of ω phase during heating of metastable β titanium alloy Ti–15Mo

P Zháňal, P Harcuba, M Hájek, B Smola… - Journal of Materials …, 2018 - Springer
Evolution of ω ω phase during heating of metastable β β titanium alloy Ti–15Mo was
investigated in situ during heating by electrical resistance measurements and accompanied …