From: Optimizing nanoparticle attributes for enhanced anti-wear performance in nano-lubricants
Property | CaCO3 | TiO2 | Al2O3 |
---|---|---|---|
Morphology | Rhombohedral | Rhombohedral | Rhombohedral |
% Purity | 100% | 100% | 100% |
Average particle size (nm) | 32.7 | 35.1 | 33.6 |
Molar mass (g/mole) | 100.09 | 79.87 | 101.96 |
Specific surface area (m2/g) | 52 | 48 | 53 |
Bulk density (g/cm3) | 2.71 | 4.23 | 3.95 |
Bulk hardness, Mohs | 3 | 6 | 9 |