High-strength titanium alloys for aerospace engineering applications: A review on melting-forging process

Q Zhao, Q Sun, S Xin, Y Chen, C Wu, H Wang… - Materials Science and …, 2022 - Elsevier
As a crucial branch for titanium industry, high-strength titanium alloys (HS-TAs, with UTS≥
1100 MPa) are indispensable structural materials for advanced engineering applications …

Heterostructures enhance simultaneously strength and ductility of a commercial titanium alloy

D Wu, M Hao, T Zhang, Z Wang, J Wang, G Rao… - Acta Materialia, 2023 - Elsevier
Enhancing both strength and ductility simultaneously in commercial alloys at an industrial
scale remains a challenging task. In this study, we have demonstrated a simple heat …

Hierarchical nano-martensite-engineered a low-cost ultra-strong and ductile titanium alloy

C Zhang, X Bao, M Hao, W Chen, D Zhang… - Nature …, 2022 - nature.com
Due to the low thermal stability of crystallographic boundaries, the grain boundary
engineering (GBE) manifests some limits to the fineness and types of microstructures …

The interface effect on crack nucleation under dwell fatigue loading in dual-phase Ti alloy

L Zhang, B Jiang, J Qiu, X Cao, J Lei, R Yang… - International Journal of …, 2023 - Elsevier
The microstructure of dual-phase Ti alloys crucially influences the nucleation of dwell fatigue
cracks, which is of significance in determining the dwell fatigue life of Ti alloys. However, the …

Strength/ductility trade-off of Laser Powder Bed Fusion Ti-6Al-4V: Synergetic effect of alpha-case formation and microstructure evolution upon heat treatments

Q Gaillard, X Boulnat, S Cazottes, S Dancette… - Additive …, 2023 - Elsevier
Post-processing heat treatments (HT) are performed on Ti-6Al-4V components fabricated by
Laser Powder Bed Fusion (L-PBF) to release the residual stresses and transform the non …

Designing ultra-strong and ductile hierarchical titanium alloys via interstitial solute-mediated multi-morphologic α-nanoprecipitates

H Zhang, J Zhang, S Liu, D Zhang, G Liu, J Sun - Acta Materialia, 2023 - Elsevier
In conventional duplex titanium (Ti) alloys, the soft primary α-precipitates (α p) are beneficial
to ductility with the loss of high yield strength, while the continuous α-precipitates at grain …

Dislocation-mediated migration of the α/β interfaces in titanium

JY Zhang, ZP Sun, D Qiu, FZ Dai, YS Zhang, D Xu… - Acta Materialia, 2023 - Elsevier
Interphase boundaries are essential in the deformation and phase transformations in
titanium (Ti) alloys. While static structures of semicoherent α/β interfaces in various Ti alloys …

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 …

Strain localization and fatigue crack formation at (0001) twist boundaries in titanium alloys

S Hémery, JC Stinville, F Wang, MA Charpagne… - Acta Materialia, 2021 - Elsevier
The process of crack initiation has been investigated in three widely used titanium alloys
with different microstructures and loading conditions. Using low-cycle fatigue tests, a unique …

Revealing the intensified preferred orientation and factors dominating the anisotropic mechanical properties of laser powder bed fusion Ti‐6Al‐4V alloy after heat …

MW Wu, K Ni, HW Yen, JK Chen, P Wang… - Journal of Alloys and …, 2023 - Elsevier
Heat treatment is a general process to modify the unsatisfactory microstructure and
properties of laser powder bed fusion (LPBF) Ti‐6Al‐4V. However, the effects of heat …