History and development of γ-TiAl alloys and the effect of alloying elements on their phase transformations

B Duan, Y Yang, S He, Q Feng, L Mao, X Zhang… - Journal of Alloys and …, 2022 - Elsevier
Abstract γ-TiAl alloys, as the high temperature and lightweight structural material, have been
applied in aerospace and automotive industry, and will remain the focus of research …

The state of the art for wire arc additive manufacturing process of titanium alloys for aerospace applications

D Chakraborty, T Tirumala, S Chitral, BN Sahoo… - Journal of Materials …, 2022 - Springer
Aerospace industries invest a significant amount of resources to meet one common goal,
that is, to make the aircraft fly. To keep down its 'buy-to-fly'ratio, researchers have been …

Enhanced strength and ductility in Ti46Al4Nb1Mo alloys via boron addition

Y Tan, R Chen, H Fang, Y Liu, H Cui, Y Su… - Journal of Materials …, 2022 - Elsevier
To improve the strength and ductility of TiAl alloys by second phase, Ti46Al4Nb1Mo alloys
doped with different B content (0.4%, 0.8%, 1.2%, 1.6% and 2.0%, atomic percent, hereafter …

Twinning behavior and strengthening mechanism in a microalloyed TiAl alloy

T Sun, Y Liang, G Yang, Z Guo, J Cao, Y Mu… - Materials Science and …, 2023 - Elsevier
The tensile properties and deformation behavior of a newly developed TNM-based alloy
after microalloying with W, C, and Y have been systematically investigated by scanning …

Effect of Nb, Zr and Zr+ Hf on the microstructure and mechanical properties of β-solidifying γ-TiAl alloys

VM Imayev, AA Ganeev, DM Trofimov… - Materials Science and …, 2021 - Elsevier
The present work has been devoted to study of β-solidifying γ-TiAl alloys based on Ti–44Al-
0.2 B and doped with Nb, Zr and Zr+ Hf. The phase transformation sequences were …

Cracking behavior of Ti-48Al-2Cr-2Nb alloy in powder bed fusion electron beam melting process

S Yim, K Aoyagi, H Bian, K Yanagihara, Y Lei… - Journal of Materials …, 2023 - Elsevier
Powder bed fusion electron beam (PBF-EB) melting process with low preheating
temperatures is one of the promising ways to fabricate TiAl components with fully lamellar …

β-Ti alloys for orthopedic and dental applications: a review of progress on improvement of properties through surface modification

L Shao, Y Du, K Dai, H Wu, Q Wang, J Liu, Y Tang… - Coatings, 2021 - mdpi.com
Ti and Ti alloys have charming comprehensive properties (high specific strength, strong
corrosion resistance, and excellent biocompatibility) that make them the ideal choice in …

Influence of upset forging and heat treatment on the microstructure and mechanical properties of a new β-solidifying γ-TiAl alloy

DM Trofimov, VM Imayev, RM Imayev - Intermetallics, 2023 - Elsevier
Our previous works revealed that alloying of a β-solidifying intermetallic γ-TiAl alloy with Zr
and Hf instead of Nb led to improvement in the strength and creep resistance due to effective …

Alloying Elements in Intermetallic γ‐TiAl Based Alloys–A Review on Their Influence on Phase Equilibria and Phase Transformations

M Musi, G Graf, H Clemens… - Advanced Engineering …, 2024 - Wiley Online Library
Intermetallic γ‐TiAl based alloys are innovative structural materials dedicated to applications
in the automotive and aeronautic industries. Especially their low density, high specific yield …

Enhancement of room-temperature mechanical properties of TiAl alloy by trace addition of C

J Cao, T Sun, Z Guo, G Yang, Y Liang, J Lin - Materials Science and …, 2023 - Elsevier
Lightweight and high-temperature-resistant γ-TiAl based alloys have attracted considerable
research attention for application in aerospace and automotive engines. For TiAl alloys, C …