A review of metastable beta titanium alloys

RP Kolli, A Devaraj - Metals, 2018 - mdpi.com
In this article, we provide a broad and extensive review of beta titanium alloys. Beta titanium
alloys are an important class of alloys that have found use in demanding applications such …

Omega phase in materials

SK Sikka, YK Vohra, R Chidambaram - Progress in Materials Science, 1982 - Elsevier
OMEGA PHASE IN MATERIALS Page 1 Progress in Materials Science Vol. 27. pp. 245 to 310.
1982 0079-6425/g2/040245-66533.00j0 Printed in Great Britain. All rights reserved Copyright …

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 …

ω-Assisted nucleation and growth of α precipitates in the Ti–5Al–5Mo–5V–3Cr–0.5 Fe β titanium alloy

S Nag, R Banerjee, R Srinivasan, JY Hwang, M Harper… - Acta Materialia, 2009 - Elsevier
This paper discusses the structural and compositional changes at the nanometer scale
associated with the nucleation and growth of α precipitates in the β titanium alloy Ti-5553 (Ti …

Unprecedented non-hysteretic superelasticity of [001]-oriented NiCoFeGa single crystals

H Chen, YD Wang, Z Nie, R Li, D Cong, W Liu, F Ye… - Nature materials, 2020 - nature.com
Superelasticity associated with the martensitic transformation has found a broad range of
engineering applications,. However, the intrinsic hysteresis and temperature sensitivity of …

Formation and reversion of stress induced martensite in Ti-10V-2Fe-3Al

TW Duerig, J Albrecht, D Richter, P Fischer - Acta Metallurgica, 1982 - Elsevier
The formation and reversion behavior of stress induced orthorhombic martensite (α ″) in Ti-
10V-2Fe-3Al has been studied, and several interesting features found. Reversion appears to …

Mechanisms underlying enhanced strength-ductility combinations in TRIP/TWIP Ti-12Mo alloy engineered via isothermal omega precipitation

B Qian, SA Mantri, S Dasari, J Zhang, L Lilensten… - Acta Materialia, 2023 - Elsevier
Abstract β Ti-alloys can achieve a high strain-hardening rate and tensile ductility by taking
advantage of transformation induced plasticity (TRIP) and twinning-induced plasticity (TWIP) …

Experimental evidence of concurrent compositional and structural instabilities leading to ω precipitation in titanium–molybdenum alloys

A Devaraj, S Nag, R Srinivasan, REA Williams… - Acta Materialia, 2012 - Elsevier
The ω phase is commonly observed in many commercial β or near-β titanium alloys on
rapidly cooling from the single β phase field and also during subsequent isothermal …

New insights into the phase transformations to isothermal ω and ω-assisted α in near β-Ti alloys

T Li, D Kent, G Sha, LT Stephenson, AV Ceguerra… - Acta Materialia, 2016 - Elsevier
For multicomponent near-β alloys, we have investigated the mechanisms responsible for the
β-to-ω and ω-to-α phase transformations upon isothermal ageing at 573 K. Experimental …

Strain rate dependence of deformation-induced transformation and twinning in a metastable titanium alloy

M Ahmed, D Wexler, G Casillas, DG Savvakin… - Acta Materialia, 2016 - Elsevier
A metastable β Ti–10V–3Fe–3Al–0.27 O (wt.%) alloy was subjected to thermo-mechanical
processing to induce α and ω phase formation, so that the alloy can exhibit the features …