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 …

A compilation of experimental data on the mechanical properties and microstructural features of Ti-alloys

CAF Salvador, EL Maia, FH Costa, JD Escobar… - Scientific data, 2022 - nature.com
The present work depicts a compilation of mechanical properties of 282 distinct
multicomponent Ti-based alloys and their respective microstructural features. The dataset …

[HTML][HTML] Effect of heat treatment time on the microstructure and properties of FeCoNiCuTi high-entropy alloy

Q Huaizhi, G Minglong, Z Dongdong, S Wenda… - Journal of Materials …, 2023 - Elsevier
In this paper, a FeCoNiCuTi high entropy alloy (HEA) was heat treated at 950° C for different
time durations. After heat treatment for different lengths of time, the FeCoNiCuTi HEA …

Microplasticity at Room Temperature in α/β Titanium Alloys

S Hémery, P Villechaise, D Banerjee - Metallurgical and Materials …, 2020 - Springer
The current understanding of room temperature microplasticity in α/β titanium alloys is
reviewed with a special emphasis on dual-phase engineering alloys. As the interplay …

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 …

Stress release-induced interfacial twin boundary ω phase formation in a β type Ti-based single crystal displaying stress-induced α” martensitic transformation

Y Yang, P Castany, E Bertrand, M Cornen, JX Lin… - Acta Materialia, 2018 - Elsevier
The ω phase transformation in numerous group IV transition metals plays a key role to
change the phase stability and modify mechanical properties, although its formation …

[HTML][HTML] Minor additions of Sn suppress the omega phase formation in beta titanium alloys

F Brumbauer, NL Okamoto, T Ichitsubo, W Sprengel… - Acta Materialia, 2024 - Elsevier
A critical characteristic of β-Ti alloys is the inevitable formation of ω-precipitates during
certain heat treatments which leads to embrittlement, or even to a complete loss of ductility …

Novel insight into the formation of α ″-martensite and ω-phase with cluster structure in metastable Ti-Mo alloys

M Li, X Min, K Yao, F Ye - Acta Materialia, 2019 - Elsevier
On the basis of the “-Mo-Ti-Mo-” linear unit along the specific< 111> β,< 110> β, and< 100>
β directions, the cluster structures of α ″-martensite and ω-phase were constructed in …

Polytypic omega/omega-like transformation in a refractory high-entropy alloy

X Zhao, S Li, J Jiang, J Bai, H Xie, H Pan, Y Tian… - Acta Materialia, 2022 - Elsevier
Understanding the atomistic details on microstructures and phase transformation
mechanisms is essential to tailor the performances of materials. Refractory body-centered …

Role of aluminum rejection from isothermal ω precipitates on the formation of α precipitates in the metastable β-titanium alloy Ti-10V-2Fe-3Al

SA Mantri, S Dasari, A Sharma, Y Zheng, HL Fraser… - Scripta Materialia, 2023 - Elsevier
The formation of isothermal ω phase precipitates and its influence on subsequent fine-scale
α precipitation is investigated in a metastable β-titanium alloy, Ti-10V-2Fe-3Al. Atom-probe …