For wear rates, as a whole, it is obvious that the wear rates of CrCN coatings
in seawater are lower than CrN coating, which can be attributed to
the presence of sp2
-hybridized carbon in the CrCN coatings. Since
the graphite-like structure with sp2
-hybridized carbon forms an
interface layer and reduces the frictional shear resistance during
the cycle friction process, it dramatically reduces the friction. With
the increase of C2H2 flow rate