Oxidation resistance and thermal stability of a β-solidified γ-TiAl based alloy after nitrogen ion implantation
Source abstract
Abstract
Abstract Oxidation behavior and thermal stability of a β-solidifying γ-TiAl alloy after plasma source nitrogen ion implantation were studied. Nano-sized TiN, Ti2N, Ti3AlN, and Ti3Al2N2 particles were found in the modified layer. The microhardness of the modified layer was 2.5 times higher than that of the as-cast condition. Nitrogen ion implantation increased the oxidation resistance significantly in comparison to the as-cast condition. Thin inner and outer TiO2, dense protective Al2O3 and fine-grained mixed Al2O3+TiO2 layers were found on the surface after oxidation. The effect of nitrogen ion implantation on phase stability and oxidation mechanisms is analyzed.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Intermetallics and Advanced Alloy Properties · Metal and Thin Film Mechanics · Advanced materials and composites
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