Abstract
A novel 50 % TiAl-50 % Ti6Al4V (wt%) alloy was fabricated using laser powder bed fusion (L-PBF). Rapid cooling during L-PBF stabilized the high-temperature β phase in this innovative blend. This β stabilization effectively prevented the formation of cracks, resulting in a favorable metastable microstructure suitable for room and high-temperature applications. Detailed analysis using EBSD revealed a 99 % presence of β phase at room temperature, which transitions to α2 + β at elevated temperatures, as 600 °C, in the current study. Mechanical tests revealed moderate hardness (460 HV) and ductility, effectively bridging the properties of TiAl and Ti6Al4V for structural and energy applications.
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