Grain boundary α-phase precipitation and coarsening: Comparing laser powder bed fusion with as-cast Ti-6Al-4V

J Liu, K Zhang, Y Yang, H Wang, Y Zhu, A Huang - Scripta Materialia, 2022 - Elsevier
Grain boundary α-phase (GB-α) precipitation and coarsening behavior in Ti-6Al-4V (Ti-64)
processed by laser powder bed fusion (LPBF) were investigated and compared with those in …

[HTML][HTML] Effects of the morphology of grain boundary α-phase on the anisotropic deformation behaviors of additive manufactured Ti–6Al–4V

J Liu, K Zhang, X Gao, H Wang, S Wu, Y Yang, Y Zhu… - Materials & Design, 2022 - Elsevier
Grain boundary α-phase (GB-α) in titanium alloys is the vulnerable site for failure, while the
correlation between deformation behavior and local dislocation motion is still ambiguous. In …

Variant selection in additively manufactured alpha-beta titanium alloys

SL Lu, CJ Todaro, YY Sun, T Song, M Brandt… - Journal of Materials …, 2022 - Elsevier
The crystallographic arrangements of the α-phase variants in α-β titanium alloys remains
less identified due to the crystallographic complexity involved while being essential to …

[HTML][HTML] Effects of high deposition rate during cold metal transfer additive manufacturing on microstructure and properties of Ti-6Al-4V

E Farabi, T Klein, M Schnall, S Primig - Additive Manufacturing, 2023 - Elsevier
Cold metal transfer (CMT)-based wire-arc directed energy deposition (waDED) is a high-
speed deposition process capable of manufacturing Ti-alloys with high production rates and …

[HTML][HTML] 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 …

Grain boundary segregation and its implications regarding the formation of the grain boundary α phase in the metastable β-Titanium Ti–5Al–5Mo–5V–3Cr alloy

TS Prithiv, Z Kloenne, D Li, R Shi, Y Zheng, HL Fraser… - Scripta Materialia, 2022 - Elsevier
We investigated the origin of the deleterious grain boundary α phase formed during the
aging of the β-titanium alloy, Ti–5Al–5Mo–5V–3Cr–0.5 Fe (wt.%). We probed the …

Effect of scanning strategy on variant selection in additively manufactured Ti-6Al-4V

PL Stephenson, N Haghdadi, R DeMott, XZ Liao… - Additive …, 2020 - Elsevier
Additive manufacturing of the Ti-6Al-4 V alloy is increasingly popular for making complex
shaped parts. This alloy undergoes a transformation from the body-centred cubic β phase to …

In-situ observation of single variant α colony formation in Ti-6Al-4V

AE Davis, J Donoghue, JR Kennedy, N Byres… - Acta Materialia, 2021 - Elsevier
Much of the current understanding of the β→ α+ β phase transformation in the commercially
important titanium alloy Ti-6Al-4V (Ti64) is by inference from more β-stabilised analogues, or …

[HTML][HTML] Microstructure and mechanical properties of Ti6Al4V alloys fabricated by additive friction stir deposition

E Farabi, S Babaniaris, MR Barnett… - Additive Manufacturing …, 2022 - Elsevier
The additive friction stir deposition (AFSD) of Ti6Al4V alloy was successfully performed over
a wide processing window. The microstructures were examined based on the high …

Composite structure of α phase in metastable β Ti alloys induced by lattice strain during β to α phase transformation

K Hua, Y Zhang, H Kou, J Li, W Gan, JJ Fundenberger… - Acta Materialia, 2017 - Elsevier
The β to α phase transformation of Ti alloys progresses in a displacive-diffusive mixed-
mode. The associated transformation strain has important influence on the resultant …