A review of the metastable omega phase in beta titanium alloys: the phase transformation mechanisms and its effect on mechanical properties
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 …
substantial attention from researchers. The β-to-ω and ω-to-α phase transformations are …
Development of a high strength and high ductility near β-Ti alloy with twinning induced plasticity effect
A multi-alloyed near β-Ti alloy Ti-6Cr-4Mo-2Al-2Sn-1Zr (Ti-64221) with high strength and
high ductility was designed utilizing the d-electron theory combined with molybdenum …
high ductility was designed utilizing the d-electron theory combined with molybdenum …
[HTML][HTML] Eliminating porosity defects, promoting equiaxed grains and improving the mechanical properties of additively manufactured Ti-22V-4Al with super-transus …
High energy input additive manufacturing (AM) such as wire-based directed energy
deposition technologies are capable of high deposition rates but can result in coarse …
deposition technologies are capable of high deposition rates but can result in coarse …
[HTML][HTML] Modelling martensitic transformation in titanium alloys: The influence of temperature and deformation
M Bignon, E Bertrand, F Tancret… - Materialia, 2019 - Elsevier
New theory is presented to describe the occurrence of plasticity-induced transitions in
titanium alloys. The approach is able to predict the composition dependence of …
titanium alloys. The approach is able to predict the composition dependence of …
Enhanced yield strength by fine grain strengthening and TRIP/TWIP effect of metastable β-type Ti-4V-2Mo-2Fe alloy with high ductility
H Lu, H Shi, H Zhang, W Ma, Y Guo, S Liang… - Materials …, 2024 - Elsevier
In this paper, we have obtained metastable β Ti-4V-2Mo-2Fe (at.%) alloys with exceptional
mechanical properties through the control of grain size. The microstructure analysis reveals …
mechanical properties through the control of grain size. The microstructure analysis reveals …
[HTML][HTML] Role of omega phase evolution in plastic deformation of twinning-induced plasticity β Ti–12V–2Fe–1Al alloy
W Wang, X Zhang, W Mei, J Sun - Materials & Design, 2020 - Elsevier
The evolution of the ω phase and its role in plastic deformation in a twinning-induced
plasticity β Ti–12 V–2Fe–1Al alloy aged at 373–573 K have been studied in this work. The …
plasticity β Ti–12 V–2Fe–1Al alloy aged at 373–573 K have been studied in this work. The …
Phase Transitions in Ti Alloys Driven by the High Pressure Torsion
B Straumal, A Gornakova, G Davdian… - Materials …, 2023 - jstage.jst.go.jp
The high pressure torsion (HPT) of various binary Ti alloys with β-stabilizers (Fe, Co, Ni, Mo,
Nb) was studied. Before HPT, the samples were annealed and contained (i) pure β …
Nb) was studied. Before HPT, the samples were annealed and contained (i) pure β …
Effect of reverse β-to-ω transformation on twinning and martensitic transformation in a metastable β titanium alloy
A metastable β titanium alloy, Ti–2Al-9.2 Mo–2Fe (wt.%), with athermal ω phase after
quenching has been subjected to high strain rate (∼ 3000 s− 1) compression at ambient …
quenching has been subjected to high strain rate (∼ 3000 s− 1) compression at ambient …
Enhanced twinning-induced plasticity effect by novel {315} α ″/{332} β correlated deformation twins in a Ti-Nb alloy
X Zhang, W Wang, J Sun, Y Gao… - International Journal of …, 2022 - Elsevier
This paper reports a new {315} α ″type deformation twinning system, in adition to {130}<
310> α ″in a full α ″Ti-23Nb (at.%) alloy. The {315} α ″twins were identified by trace …
310> α ″in a full α ″Ti-23Nb (at.%) alloy. The {315} α ″twins were identified by trace …
Composition design of a novel Ti-6Mo-3.5 Cr-1Zr alloy with high-strength and ultrahigh-ductility
The strength-elongation to fracture (ε f) trade-off and low strain hardening rate have been a
longstanding dilemma in titanium alloys. In this work, we innovatively manufactured a novel …
longstanding dilemma in titanium alloys. In this work, we innovatively manufactured a novel …