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 conditionTotal 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 ± 1.2203.0 ± 5.5
RME w/o oxidation stabilizer C23H32O24.9 ± 0.316.5 ± 0.4
RME 200 mg/kg oxidation stabilizer C23H32O28.7 ± 0.820.3 ± 1.2
RME 1000 mg/kg oxidation stabilizer C23H32O214.6 ± 1.328.0 ± 1.4
SME w/o oxidation stabilizer C23H32O23.6 ± 0.132.5 ± 3.4
SME 200 mg/kg oxidation stabilizer C23H32O24.0 ± 0.134.2 ± 2.5
SME 1000 mg/kg oxidation stabilizer C23H32O24.5 ± 0.335.2 ± 0.8

At room temperature under ambient air.