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 …

Effects of selected metallic and interstitial elements on the microstructure and mechanical properties of beta titanium alloys for orthopedic applications

W Weng, A Biesiekierski, Y Li, C Wen - Materialia, 2019 - Elsevier
Metallic biomaterials are widely used for orthopedic application to resolve pain and improve
patients' quality of life. Among these biomaterials, beta (β)–phase titanium (Ti) alloys have …

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 …

[HTML][HTML] Influence of Nb addition on the structure, microstructure, Vickers microhardness, and Young's modulus of new β Ti-xNb-5Mo alloys system

GC Cardoso, PAB Kuroda, CR Grandini - Journal of Materials Research …, 2023 - Elsevier
New Ti alloys are being developed to obtain materials with better properties for biomedical
applications. In order to avoid complications caused for the presence of Al and V ions in the …

Surface characterization of new β Ti-25Ta-Zr-Nb alloys modified by Micro-Arc Oxidation

PAB Kuroda, CR Grandini, CRM Afonso - Materials, 2023 - mdpi.com
The technique of surface modification using electrolytic oxidation, called micro-arc oxidation
(MAO), has been used in altering the surface properties of titanium alloys for biomedical …

Mechanical behavior and phase transformation of β-type Ti-35Nb-2Ta-3Zr alloy fabricated by 3D-Printing

N Hafeez, S Liu, E Lu, L Wang, R Liu… - Journal of Alloys and …, 2019 - Elsevier
Additive manufacturing (AM) has a substantial capability to produce superior and divergent
properties of titanium alloys for biomedical implants, unlike the existing conventional …

Microstructural tailoring and mechanical properties of a multi-alloyed near β titanium alloy Ti-5321 with various heat treatment

L Ren, W Xiao, H Chang, Y Zhao, C Ma… - Materials Science and …, 2018 - Elsevier
A new near β-Ti alloy Ti-5Al-3Mo-3V-2Cr-2Zr-1Nb-1Fe (Ti-5321) with a unique combination
of high strength and good fracture toughness was designed. The microstructure was tailored …

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 …

Increasing strength of a biomedical Ti-Nb-Ta-Zr alloy by alloying with Fe, Si and O

J Stráský, P Harcuba, K Václavová, K Horváth… - Journal of the …, 2017 - Elsevier
Low-modulus biomedical beta titanium alloys often suffer from low strength which limits their
use as load-bearing orthopaedic implants. In this study, twelve different Ti-Nb-Zr-Ta based …

Enhanced work hardening from oxygen-stabilized ω precipitates in an aged metastable β Ti-Nb alloy

K Chou, N Li, EA Marquis - Acta Materialia, 2021 - Elsevier
High levels of oxygen in solid solution in Ti alloys are considered detrimental to mechanical
properties because of embrittlement concerns. In metastable β titanium alloys, the formation …