Abstract
The serviceability of plain bearings depends on many factors, in particular the engine operating temperatures and loads, the bearing design and conditions of assembly, the type of antifriction layer and break-in coating, the design features of the engine lubrication system, and the quality of the engine oil. Demonstrates that the corrosivity of modern oils for high-performance diesel engines depends on the temperature and oxidation time in tests in a DK-NAMI apparatus, and also on operating time in the engine. Suggests that the corrosivity of oils used in extremely high-performance diesels, operating under severe conditions, must be evaluated under more severe temperature conditions. Recommends the corrosion induction period and the specimen weight loss as the best rating indexes.
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