Effect of nitrogen ion implantation on the structure and corrosion resistance of OT-4-0 titanium alloy

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Warsaw, Univ of Technology, Warsaw, Poland [1 ]
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Surf Coat Technol | / 1-3卷 / 240-245期
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Nitrogen ion implantation - Potentiodynamic method;
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摘要：
This work presents data on the properties of the surface layer of OT-4-0 titanium alloy after nitrogen implantation. Polished samples were implanted with nitrogen doses of 1 × 1017 and 6 × 1017 cm-2. The corrosion resistance was examined by the potentiodynamic method in 0.5 M NaCl and 15% H2SO4 solutions. Transmission electron microscopy was used to investigate the microstructure of the implanted layers formed on OT-4-0. It was found that the implanted layers consist of a dispersion of fine TiN particles in a deformed matrix of α-Ti. Nitrogen implantation increases the corrosion resistance and microhardness.
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