1969-02-01

A Bench Test for the Evaluation of Silver-Steel Lubrication Properties of Railroad Diesel Oils 690775

A pin and disc machine has been modified for the evaluation of silver-steel lubrication characteristics of railroad diesel oils. Use of silver pins on polished steel discs at selected loads and rubbing speeds allows good correlation with known engine behavior. In comparison with wear and friction data obtained by the four ball method, this pin and disc test gives better correlation with engine tests than the Modified Four Ball Test.

SAE MOBILUS

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