Study of Metal Concentration in Lubricating Oil with Predictive Purposes
M. C. Fernández-Feal, M. L. Fernández-Feal, L. R. Sánchez-Fernández, J. R. Pérez-Prado
Current Journal of Applied Science and Technology · pp. 1–12 · Published 15 Jun 2018
10.9734/CJAST/2018/41472Abstract
Aims: To determine the concentration of the metals present in a lubricating oil of mineral base, before, during and after its use in the engine of a truck, to know its variation for predictive purposes. Study Design: In the study, a truck was used in which the lubricating oil of mineral base, diesel grade 15W/40 was tested. Periodically, a sample of the oil contained in the crankcase was taken and the concentration of the metals present in it was determined to know its variation. Duration of Study: The study was carried out during the period corresponding to 57000 km of operation of the lubricating oil in the engine. Methodology: The determination of the metals concentration of both new and used lubricating oil samples, extracted from the crankcase after regular periods of its use, was carried out by atomic absorption spectrophotometry. Results and Conclusion: The analysis of the lubricating oil allowed to know that what was happening inside the engine. It helps to detect wear problems of its components, as well as detecting contamination and degradation suffered by the lubricating oil itself. Thus, it can be considered a valid method in the predictive maintenance of the engine.
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