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Enhanced wear and corrosion resistance in Ti3Al-based nanocomposite coatings via oxidation-induced structural evolution
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DOI：10.1016/j.jmrt.2026.06.123.png)
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Abstract
En 中文
In this study, a multifunctional (Ti,Al,Cr,Si)-O nanocomposite coating was synthesized via cathodic arc evaporation (CAE) at a low substrate temperature of 150 °C, enabling deposition on thermally sensitive substrates. The as-deposited coating features nanocrystalline α2-Ti3Al-based domains (∼5.2 nm) embedded in an amorphous oxidic matrix. Post-deposition annealing at 800 °C for 2 h in ambient air significantly transforms the coating, promoting the formation of a compact layer-by-layer oxide scale enriched with crystalline TiO2 and amorphous Al2O3 nano-needles.
Keywords:
nanocomposite
PVD
annealing
nano-needle
corrosion
wear resistance
super-hydrophobic
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