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Aging of engine oils and their influence on the wear of an internal combustion engine

Idzior Marek

Combustion Engines

2021

R. 60, nr 2

15--20

New designs of internal combustion engines require the use of engine oils that can cope with more demanding conditions, primarily with greater loads and higher temperatures. The requirements of recent years have led to a wider use of modern base oils and specially designed additive packages. This avoids the formation of impurities and changes in viscosity as a result of shearing of the viscosity additives under high loads. The article discusses the important problem of oil aging during operation and the impact of this phenomenon on the operation of internal combustion engines. The influence of oil service life and its replacement on the emission of toxic exhaust gas components was discussed, and the results of research on the effect of oil service life on changes in their viscosity were presented.

Problemy monitorowania stanu olejów silnikowych

Baczewski K., Kałdoński T.

Biuletyn Wojskowej Akademii Technicznej

2003

Vol. 52, nr 1

57-73

Przedstawiono opis zmian starzeniowych oleju w czasie użytkowania w układach smarowania silników spalinowych. Podano kryteria oceny silnikowego oraz metody określania tego stanu z uwzględnieniem diagnostyki pokładowej, metod polowych i laboratoryjnych.

Description of aging changes are presented of oil during it exploitation in the lubrication systems of combustion engines. The assessment criteria of the engine oil state are given. The determination methods of this state with taking into account the deck diagnostics the field and laboratory methods are also described.