Experimental Comparison of the Effect of Using Synthetic, Semi-Synthetic, and Mineral Engine Oil on Gasoline Engine Parts Wear

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Equipment</td><td class="align_center">Type</td><td class="align_center">Manufacturer</td><td class="align_center">Tests</td><td class="align_center">Method</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Viscometer</td><td class="align_center">Manual/Ostwald</td><td class="align_center">Cannon/Fenske</td><td class="align_center">Kinematic viscosity at 40 and 100°C</td><td class="align_center">ASTM D445</td></tr><tr><td class="align_left">Potentiometer</td><td class="align_center">Automatic</td><td class="align_center">Metrohm</td><td class="align_center">Total base number (TBN)</td><td class="align_center">ASTM D 2896</td></tr><tr><td class="align_left">Atomic absorption spectroscopy</td><td class="align_center">Automatic</td><td class="align_center">Pye Unicam SP</td><td class="align_center">Determine the concentration of metals<br/>iron, copper, and chromium in the oils</td><td class="align_center">ASTM<br/>D2788–D3605</td></tr><tr><td class="align_left">Ferrograph DR-5</td><td class="align_center">Direct reading</td><td class="align_center">PREDICT</td><td class="align_center">Wear index (WI)</td><td class="align_center">Instrument manufacturer’s instructions</td></tr><tr><td class="align_left">Cleveland open cup flash point test meter</td><td class="align_center">Manual/Cleveland open cup</td><td class="align_center">SUR-Berlin</td><td class="align_center">Flash point</td><td class="align_center">ASTM D 92</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Tribology

tab4

Table 4

Table 4: Experimental Comparison of the Effect of Using Synthetic, Semi-Synthetic, and Mineral Engine Oil on Gasoline Engine Parts Wear 