Monitoring of Lubricating Oil Degradation Via Fast Field Cycling NMR Relaxometry
E. Anoardo,
E. M. Erro
Abstract:Motor oils are composed of a hydrocarbon mineral or synthetic blend (base oil), conveniently combined with specific chemicals aimed to prevent degradation and improve their functionality and lifespan. Oxidation, nitration, sulphating and contamination are the most common factors to consider, while thermal stress is one of the most aggressive chemical degrading mechanisms. The fast field-cycling NMR relaxometry technique has been successfully used to characterize chemical degradation in oil bases and lubricants… Show more
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