Research Article

Comparative Experimental Study of Tribo-Mechanical Performance of Low-Temperature PVD Based TiN Coated PRCL Systems for Diesel Engine

Figure 7

Graphs showing coefficient of friction as a function of time for (a) TiN coated and uncoated cylinder liners against TiN coated rings; (b) TiN coated and uncoated cylinder liners against Cr coated rings.
(a)
(b)