To improve the oxidation resistance of the γ-based TiAl alloy, Al-Ti-Cr coatings approximately 150 μm in thickness were formed on Ti-48Al alloy using air plasma spraying process. The powder with the composition of Al-21Ti-23Cr (at.%) were used as an Al-Ti-Cr coating material. Isothermal and cyclic oxidation tests at 1000 o C in air were conducted to investigate the oxidation resistance of...
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