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 …

Recent advances in W-containing refractory high-entropy alloys—an overview

S Chen, C Qi, J Liu, J Zhang, Y Wu - Entropy, 2022 - mdpi.com
During the past decade, refractory high-entropy alloys (RHEA) have attracted great attention
of scientists, engineers and scholars due to their excellent mechanical and functional …

Trifunctional nanoprecipitates ductilize and toughen a strong laminated metastable titanium alloy

C Zhang, S Liu, J Zhang, D Zhang, J Kuang… - Nature …, 2023 - nature.com
Abstract Metastability-engineering, eg, transformation-induced plasticity (TRIP), can
enhance the ductility of alloys, however it often comes at the expense of relatively low yield …

Natural-mixing guided design of refractory high-entropy alloys with as-cast tensile ductility

S Wei, SJ Kim, J Kang, Y Zhang, Y Zhang, T Furuhara… - Nature Materials, 2020 - nature.com
Metallic alloys containing multiple principal alloying elements have created a growing
interest in exploring the property limits of metals and understanding the underlying physical …

Oxygen interstitials make metastable β titanium alloys strong and ductile

Y Chong, R Gholizadeh, B Guo, T Tsuru, G Zhao… - Acta Materialia, 2023 - Elsevier
Metastable β titanium alloys possess excellent strain-hardening capability, but suffer from a
low yield strength. As a result, numerous attempts have been made to strengthen this …

Relationship between β→ α dynamic transformation and dynamic recrystallization under thermomechanical coupling in Ti-5Al-5Mo-5V-1Cr-1Fe alloy

Y Dong, X Liu, H Xu, Y He, Y Ke, W Zhang - Journal of Materials Science & …, 2024 - Elsevier
The thermal simulation compression tests of near-β titanium alloy Ti-5Al-5Mo-5V-1Cr-1Fe
were performed within the range of deformation temperatures of 710–860° C and strain …

Achieving superior strength-ductility balance in a novel heterostructured strong metastable β-Ti alloy

CL Zhang, XY Bao, DD Zhang, W Chen… - International Journal of …, 2021 - Elsevier
In metastable β-Ti alloys, the primary deformation mechanisms, including ordinary
dislocation plasticity (ODP), deformation twinning (DT), and phase transformation, are …

Microstructure evolution and deformation mechanism of α+ β dual-phase Ti-xNb-yTa-2Zr alloys with high performance

T Zhang, D Wei, E Lu, W Wang, K Wang, X Li… - Journal of Materials …, 2022 - Elsevier
Abstract Biomedical β-phase Ti-Nb-Ta-Zr alloys usually exhibit low elastic modulus with
inadequate strength. In the present work, a series of newly developed dual-phase Ti-xNb …

Large-strain functional fatigue properties of superelastic metastable β titanium and NiTi alloys: A comparative study

L Héraud, P Castany, MF Ijaz, DM Gordin… - Journal of Alloys and …, 2023 - Elsevier
This paper investigates the fatigue behavior of superelastic NiTi and two metastable β
titanium alloys-commercial Beta III (Ti-11.5 Mo-6Zr-4.5 Sn wt%) and Ti2448 (Ti–24Nb–4Zr …

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 …