VN and VCN coatings were prepared using multi-arc ion plating technique on 316L stainless steel and single silicon sub-strates.Microstructures,mechanical performances,corrosion behaviors and tribology properties of VN...VN and VCN coatings were prepared using multi-arc ion plating technique on 316L stainless steel and single silicon sub-strates.Microstructures,mechanical performances,corrosion behaviors and tribology properties of VN and VCN coatings in the atmosphere,distilled water and seawater were contrastively tested.It was confirmed that the VCN coating had a typi-cal nanocystallite/amorphous structure.Moreover,the hardness increased from 30.5 to 36.5 GPa and the corrosion current density decreased from 2.16×10^(−6) to 0.82×10^(−6)A cm^(−2) after carbon was doped into the VN coating.Compared with the VN coating,the VCN coating had the lowest friction coefficient of 0.26 and wear rate of 0.68×10^(−6)mm^(3)Nm^(−1) in seawater,which could be ascribed to the lubrication of graphitization transfer film and improvement of the comprehensive performance.展开更多
基金the Program of Qingjiang Excellent Young Talents,Jiangxi University of Science and Technology,Natural Science Foundation of Jiangxi Province(Grant 20181BBE58001)Natural Science Foundation of Jiangxi Education Department(Grant GJJ180431).
文摘VN and VCN coatings were prepared using multi-arc ion plating technique on 316L stainless steel and single silicon sub-strates.Microstructures,mechanical performances,corrosion behaviors and tribology properties of VN and VCN coatings in the atmosphere,distilled water and seawater were contrastively tested.It was confirmed that the VCN coating had a typi-cal nanocystallite/amorphous structure.Moreover,the hardness increased from 30.5 to 36.5 GPa and the corrosion current density decreased from 2.16×10^(−6) to 0.82×10^(−6)A cm^(−2) after carbon was doped into the VN coating.Compared with the VN coating,the VCN coating had the lowest friction coefficient of 0.26 and wear rate of 0.68×10^(−6)mm^(3)Nm^(−1) in seawater,which could be ascribed to the lubrication of graphitization transfer film and improvement of the comprehensive performance.