SEDL / STP / STP211-EB / STP48046S

Evaluation and Performance of Turbine Oils

von Fuchs, George H.
Consulting Chemist and Chemical EngineerConsultant, Doble Engineering Co., Niagara FallsBelmont, N. Y.Mass.

Pages: 14    Published: Jan 1957

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Abstract

Rust- and oxidation-inhibited turbine oils are composed of a base oil containing at least two additives, one an antioxidant, the other a rust inhibitor. These three principal components must be selected in such a way that they can work together harmoniously, without interfering with each other's functions. Thus, even the most effective rust inhibitor would be undesirable if it showed a tendency to form oil-soluble, catalytically active metallic soaps which would interfere with the function of the antioxidant and could hasten oil-breakdown. Similarly, even the most potent antioxidant is of little value if it is corrosive to metals and promotes rusting or if it forms sludge in service no matter what the reason.