Research Article

Magnetron Sputtered NbN Films with Nb Interlayer on Mild Steel

Table 3

μ at different loads for NbN/MS, NbN/SS and NbN/Nb/MS, during scratch tests.

Load (N)Coefficient of friction ( )
MSSSNb/MS

200.230.200.18
300.280.250.24
400.350.300.30
600.450.400.38