Appendix VII: Thermal Oxidation Stability of Gear Lubricants

    Published: Jan 1972

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    This method is used for determining the deterioration of lubricants under severe oxidation conditions. It consists of placing a sample of the lubricant in a gearcase in which two spur gears and a test bearing are operated under load while heat is applied and air is bubbled through the lubricant.

    Committee/Subcommittee: D02.B0

    DOI: 10.1520/STP45910S

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