Abstract
Diesel lubricating oil contaminated with sunflower oil fuel was degraded under conditions simulating an engine crankcase environment for metal wear testing. Wear analyses were performed using a fourball apparatus according to ASTM D 4172. Lubricity of oils was characterized by ball scar dimensions. Contaminated lubricating oils exhibited lower metal wear indexes than pure lube oil control samples, even when the former were severely degraded as measured by thickening and loss of alkaline reserve.
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References
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Rewolinski, C., Shaffer, D.L. Sunflower oil diesel fuel: Engine wear implications. J Am Oil Chem Soc 62, 1598–1599 (1985). https://doi.org/10.1007/BF02541696
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DOI: https://doi.org/10.1007/BF02541696