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 …

The refinement of fully lamellar (FL) microstructure from∼ 400 μm to∼ 40 μm of as-cast Ti-
48Al-3Nb-1Ta (at.%) alloy is successfully achieved by cyclic air-cooling heat treatment. The …

Cyclic heat treatment has been applied to improve the microstructure and properties of the
as-cast Ti–46Al–1Cr–2V alloy. The grain size was refined from millimeter scale to about 40 …

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 …

This study systematically investigated the microstructural evolution, hot workability, and
mechanical properties of the β–γ TiAl alloy Ti–43Al–2Cr–2Mn–0.2 Y. The as-cast alloy had a …

In this study, a novel through-β-transus processing followed by intercritical annealing was
designed to obtain the bi-lamellar microstructure in Ti–6Al–4V alloy with refined colony …

The microstructure evolution and tensile properties of Ti-48Al-2Cr-2Nb-0.25 Ni alloy
fabricated by the induction skull melting (ISM) process were investigated. Results showed …

TiAl-based alloy is an excellent high-temperature structural material, but poor hot workability
has been the bottleneck hindering its development. In this study, we take into account the …

The phase transformation sequence and transition temperatures of Ti–48Al–4Nb–2Cr-0.3
Ru alloy are studied by using in-situ synchrotron radiation high energy X-ray diffraction …

The microstructural features of the isothermally forged Ti–22Al–25Nb (at%) orthorhombic
alloy during heat treatment were investigated quantitatively. The B2 grain size, thickness …