Research Article
Experimental Evaluation of Oxide Nanoparticles as Friction and Wear Improvement Additives in Motor Oil
Figure 12
Profilometric images of top compression ring test scars for (a) PAO, (b) fully formulated 5W-30, (c) PAO + TiO2, and (d) PAO + Al2O3.
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| (b) |
| (c) |
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