Research Article

A Clue to Understand Environmental Influence on Friction and Wear of Diamond-Like Nanocomposite Thin Film

Table 2

wear rate, wear factor, and COF of DLN film of thickness 1.09  m in different ambient conditions.

AmbientCycles/micronWear factor (mm3/Nm)Average COF during film life time

35% RH air48200 ± 24539.4 × 10−8  ±  4.78 0.005 ± 0.001
40% RH air65500 ± 54236.9 × 10−8  ±  5.71 0.011 ± 0.002
50% RH air168687 ± 75342.7 × 10−8  ±  1.21 0.021 ± 0.002
60% RH air73833 ± 52016.1 × 10−8  ±  4.30 0.055 ± 0.005
80% RH air72000 ± 48656.2 × 10−8  ±  4.19 0.074 ± 0.005
DI Water 142100 ± 113493.2 × 10−8  ±  2.56 0.057 ± 0.004
Saline Soln.245500 ± 127341.8 × 10−8  ±  9.34 0.021 ± 0.004