Intermetallic β‐solidifying γ‐TiAl based alloys− from fundamental research to application

S Mayer, P Erdely, FD Fischer, D Holec… - Advanced …, 2017‏ - Wiley Online Library
Intermetallic titanium aluminides based on the ordered γ‐TiAl phase have gained increasing
interest as innovative high‐temperature light‐weight structural materials. They have found …

Advanced TiAl Based Alloys: From Polycrystals to Polysynthetic Twinned Single Crystals

Z Zhao, L Chu, M Yu, W Guo… - Advanced Functional …, 2024‏ - Wiley Online Library
TiAl alloys stand out for low density, high specific strength, and excellent creep resistance,
making them promising for high‐temperature aerospace applications. However, traditional …

Effect of multi-stage heat treatment on mechanical properties and microstructure transformation of Ti–48Al–2Cr–2Nb alloy

S Yim, H Bian, K Aoyagi, A Chiba - Materials Science and Engineering: A, 2021‏ - Elsevier
Refining the grain size of γ-TiAl alloys to improve their strength and ductility is of academic
interest. Thus, we report a multi-stage heat treatment method consisting of solution …

Effects of boron, Hf and Ta content on boride morphology and microstructure of β-solidified γ-TiAl alloys

K Wang, Y Tian, Z Deng, L Zhang, L Liu - Vacuum, 2023‏ - Elsevier
Boron is the most commonly used grain refining element in γ-TiAl alloys and the morphology
of the borides has a significant influence on the room temperature plasticity of γ-TiAl alloys …

Microstructure and properties of in-situ synthesized (Ti3Al+ TiB)/Ti composites by laser cladding

Y Feng, K Feng, C Yao, Z Li, J Sun - Materials & Design, 2018‏ - Elsevier
Abstract (Ti 3 Al+ TiB)/Ti composites were fabricated on Ti6Al4V substrates by laser cladding
(LC) to improve the wear and high temperature oxidation resistance simultaneously. The …

Spark plasma sintering mechanisms at the necks between TiAl powder particles

Z Trzaska, A Couret, JP Monchoux - Acta Materialia, 2016‏ - Elsevier
In order to precise the role of the electric current involved in the spark plasma sintering
(SPS) technique on the microscopic mechanisms occurring at the necks between TiAl …

A β-solidifying TiAl alloy reinforced with ultra-fine Y-rich precipitates

X Gu, S Jiang, F Cao, G Zhang, D Yang, S Guo, H Song… - Scripta Materialia, 2021‏ - Elsevier
A β-solidifying TiAl alloy with a refined microstructure and ultra-fine yttrium-rich precipitates
that was consolidated by spark plasma sintering was investigated by scanning and …

Microstructures and mechanical properties of a multi-phase β-solidifying TiAl alloy densified by spark plasma sintering

T Voisin, JP Monchoux, M Hantcherli, S Mayer… - Acta materialia, 2014‏ - Elsevier
This work deals with the densification of TNM alloys by spark plasma sintering. Pre-alloyed
powders with composition Ti–43.9 Al–4Nb–0.95 Mo–0.1 B (at.%) were sintered between …

Role of boron in TiAl alloy development: a review

D Hu - Rare Metals, 2016‏ - Springer
Boron was found to be a unique grain refiner in cast TiAl alloys in the beginning of 1990s
and has become an element in most of the TiAl alloys developed to date. Over the past 25 or …

An Innovative Way to Produce γ-TiAl Blades: Spark Plasma Sintering [El., plast].

T Voisin, JP Monchoux, L Durand… - Advanced …, 2015‏ - search.ebscohost.com
In this Communication, it is shown that the production of turbine blades in γ‐TiAl alloys
through Spark Plasma Sintering (SPS) is a viable manufacturing route, by demonstrating …