In order to acquire TiAl composites with a multi-scale reinforcing phase, and to improve the
microstructure and tensile properties at elevated temperatures, TiAl alloys have been …

In the present work, using pre-alloyed Ti-48Al-2Cr-2Nb powders and graphene nanosheets
as raw materials, the TiAl matrix composite reinforced by submicro/nano-Ti 2 AlC was …

Strengthening of metals by incorporating nano-scale coherent twin boundaries is one of the
important breakthroughs of recent years in overcoming the strength-ductility trade-off. To this …

Heat treatment is an effective post-processing method to modify the microstructure and
mechanical properties of TiAl alloys. Thus, we report the influences of a heat treatment at …

In the present study, Ti-47Al-2Nb-2Cr-2Mn directionally solidified by electromagnetic cold
crucible was mainly composed of alternatively arranged (α 2+ γ) lamellae, and exhibited a …

In order to further optimize the microstructure and mechanical properties of TiB/TiAl
composites, the individual and synergistic effects of Ta and Mn were investigated in this …

Due to their high specific strength and temperature resistance, γ-titanium aluminides (γ-TiAl)
have a growing importance for automotive and aerospace applications. However …

Herein, a TiAl alloy containing a high Nb concentration with a composition of Ti-45.5 Al-7Nb-
(W, Cr, B) was prepared by electromagnetic cold crucible zone melting (ECCZM) using a …

In the presence of multiaxial fatigue loadings with multiple loading variables, fatigue
behavior of material differs from those under in-phase (IP) multiaxial fatigue loadings. The co …

TiAl alloys are ideal high-temperature structural materials for aerospace applications.
However, their ductility, bending strength and machinability are poor at room temperature …