Abstract:The present work is devoted to study of the oxidation behavior of two β-solidifying γ-TiAl alloys (Ti-43.5Al-4Nb-1Mo-0.1B (TNM alloy) and Ti-44Al-6(Nb, Zr, Hf)-0.15B (TNZ alloy) (at.%)). The as-cast alloys were subjected to upset forging and heat treatment that resulted in similar microstructures in both alloys. Plate-shaped samples were cut from the obtained workpieces, mechanically polished and subjected to oxidation exposure at 800°C (500 h). The samples during annealing were periodically removed from the f… Show more
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