Research Article
Effect of Size of Multiwalled Carbon Nanotubes Dispersed in Gear Oils for Improvement of Tribological Properties
Table 4
Results of wear test conducted as per ASTM D 4172 at 40 kgf load.
| Test Oils | Average wear scar in microns |
| Base lubricant (EP 140 transmission oil) | 352.353 | Base lubricant + long MWCNTs | 347.071 | Base lubricant + 5 hour Ball milled MWCNTs | 335.085 | Base lubricant + 10 hour Ball milled MWCNTs | 317.954 | Base lubricant + 20 hour Ball milled MWCNTs | 323.547 |
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