Sách Lubrication and lubricating oils

Contents
12.1 Introduction
12.2 Lubricating oils
12.2.1 Mineral oils
12.2.2 Synthetic oils
12.3 Viscosity—its significance in lubrication
12.3.1 Viscosity and coefficient of friction
12.3.2 Viscosity measurement and units
12.3.3 Change in viscosity with temperature
and pressure
12.3.4 Viscosity classification
12.3.5 Low-temperature viscosity and ease of
starting
12.3.6 Viscosity at running temperatures;
friction losses and oil consumption
12.4 Additives
12.5 Oil deterioration
12.6 Operational problems
12.6.1 Piston deposits
12.6.2 Engine wear
12.6.3 Bearing corrosion
12.6.4 Sludge
12.7 API classification
12.8 Engine tests and associated specifications
12.8.1 Engine test rating
12.9 Laboratory inspection tests
12.10 Spot tests
Acknowledgement
References
Abbreviations



21761_12