Research Article
Effect of Size of Multiwalled Carbon Nanotubes Dispersed in Gear Oils for Improvement of Tribological Properties
Table 2
Raman Spectra characteristics of MWCNTs.
| MWCNTs | Intensity of D band, ID | Intensity of G band, IG | Intensity of band, I | Ratio of ID and IG |
| Pristine | 1536 | 2100 | 1594 | 0.731 | 5 hour ball milled | 1261 | 1708 | 1082 | 0.738 | 10 hour ball milled | 1410 | 1855 | 974 | 0.76 | 20 hour ball milled | 1413 | 1266 | 774 | 1.11 |
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