The Effect of Nitrogen Ion Implantation on the Surface Properties of Ti6Al4V Alloy Coated by a Carbon Nanolayer

Figure 4

Results of sliding tests of the samples with a carbon nanolayer implanted by nitrogen ions—(a) C 20 nm, 1⋅10¹⁷ cm⁻², (b) C 40 nm, 1⋅10¹⁷ cm⁻², (c) C 20 nm, 5⋅10¹⁶ cm⁻², (d) C 40 nm, 5⋅10¹⁶ cm⁻², and (e) unmodified substrate.

(a)

(b)

(c)

(d)

(e)