Research Article
Tribological Performance of Si-Doped Hydrogenated Diamond-Like Carbon Coatings in Different Biodiesel
Table 4
Total wear rate of 100Cr6 steel against Si-DLC coated flat in different biofuels at room temperature or 150°C.
| Intermediate condition | Total wear rate at room temperature (×10−7 mm3/Nm) | Total wear rate at 150°C (×10−7 mm3/Nm) |
| Dry (w/o biodiesel) | 16.9 ± 1.2 | 203.0 ± 5.5 | RME w/o oxidation stabilizer C23H32O2 | 4.9 ± 0.3 | 16.5 ± 0.4 | RME 200 mg/kg oxidation stabilizer C23H32O2 | 8.7 ± 0.8 | 20.3 ± 1.2 | RME 1000 mg/kg oxidation stabilizer C23H32O2 | 14.6 ± 1.3 | 28.0 ± 1.4 | SME w/o oxidation stabilizer C23H32O2 | 3.6 ± 0.1 | 32.5 ± 3.4 | SME 200 mg/kg oxidation stabilizer C23H32O2 | 4.0 ± 0.1 | 34.2 ± 2.5 | SME 1000 mg/kg oxidation stabilizer C23H32O2 | 4.5 ± 0.3 | 35.2 ± 0.8 |
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At room temperature under ambient air.
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