Deciphering the transformation pathway in laser powder-bed fusion additive manufacturing of Ti-6Al-4V alloy

J Chen, D Fabijanic, T Zhang, EW Lui, M Brandt… - Additive …, 2022 - Elsevier
The nature of rapid cyclic heating and cooling in metal additive manufacturing poses a great
challenge in the control of microstructure while a metallic part is being built. With metastable …

[HTML][HTML] Dislocation interactions and crack nucleation in a fatigued near-alpha titanium alloy

S Joseph, TC Lindley, D Dye - International Journal of Plasticity, 2018 - Elsevier
Dislocation interactions at the crack nucleation site were investigated in near-alpha titanium
alloy Ti-6242Si subjected to low cycle fatigue. Cyclic plastic strain in the alloy resulted in …

Tensile properties of Ti-6Al-4V as-built by laser metal deposition: The relationship between heat affected zone bands, strain localization and anisotropy in ductility

T Yvinec, A Naït-Ali, D Mellier, D Bertheau… - Additive …, 2022 - Elsevier
Expanded structural applications of additively fabricated or repaired components rely on a
thorough understanding of relationships between the anisotropic microstructure and …

Crystallography and reorientation mechanism upon deformation in the martensite of an α-α'Ti-6Al-4V dual-phase microstructure exhibiting high work-hardening rate

O Dumas, L Malet, B Hary, F Prima, S Godet - Acta Materialia, 2021 - Elsevier
The present study provides a fundamental understanding of the crystallography and the
microscale behavior of the V-enriched and Al-depleted α'martensite taking place during the …

Texturing and phase evolution in Ti-6Al-4V: Effect of electron beam melting process, powder re-using, and HIP treatment

VV Popov, ML Lobanov, SI Stepanov, Y Qi… - Materials, 2021 - mdpi.com
The research demonstrates microstructural changes and development of specific texture in
Ti-6Al-4V specimens produced by electron beam melting (EBM) under different conditions …

[HTML][HTML] Habit plane determination from reconstructed parent phase orientation maps

T Nyyssönen, AA Gazder, R Hielscher, F Niessen - Acta Materialia, 2023 - Elsevier
This study details the development and validation of a new algorithm that determines the
dominant habit plane of a transformed child phase from orientation maps of a single planar …

Microstructural analysis of titanium alloys based on high-temperature phase reconstruction

O Lypchanskyi, K Muszka, B Wynne, J Kawalko… - Journal of Materials …, 2024 - Springer
The microstructural evolution of titanium alloys under high-temperature conditions plays a
key role in determining their mechanical properties and hot working behavior. This research …

The role of β-titanium ligaments in the deformation of dual phase titanium alloys

TS Jun, X Maeder, A Bhowmik, G Guillonneau… - Materials Science and …, 2019 - Elsevier
Multiphase titanium alloys are critical materials in high value engineering components, for
instance in aero engines. Microstructural complexity is exploited through interface …

Novel insights on the grain boundary α phase microstructure formation and orientation development in Ti-6Al-4V alloy

S Sahoo, S Roy - Journal of Alloys and Compounds, 2023 - Elsevier
The present work aims to understand the formation of microstructural features and their
orientation development at the (prior) β grain boundary regions for Ti-6Al-4V alloy. The grain …

Interface characteristics in an titanium alloy

AK Ackerman, VA Vorontsov, I Bantounas, Y Zheng… - Physical Review …, 2020 - APS
The α/β interface in Ti-6Al-2Sn-4Zr-6Mo (Ti-6246) was investigated via center of symmetry
analysis, both as-grown and after 10% cold work. Semicoherent interface steps are …