Research Article
An Investigation on Tribological Properties and Lubrication Mechanism of Graphite Nanoparticles as Vegetable Based Oil Additive
Table 3
The basic composition and mechanical properties of friction pairs.
| Properties | Pin | Disk |
| Material | YG8 cemented carbide | Ti-6Al-4V titanium alloy | Composition | 92% WC + 8% Co | 90% Ti + 6% Al + 4% V | Density (@20°C)/(g/cm3) | 14.5~14.9 | 4.5 | Hardness | 89~90 HRA | 290~356 HV | Elastic modulus/(GPa) | 600~610 | 109 |
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