KSC Lubricant Testing ProgramA program was conducted to evaluate the performance of various lubricants in use and considered for use at Kennedy Space Center (KSC). The overall objectives of the program were to: (1) determine the lubrication characteristics and relative corrosion resistance of lubricants in use and proposed for use at KSC; (2) identify materials which may be equivalent to or better than KELF-90 and Krytox 240 AC greases; and (3) identify or develop an improved lubricating oil suitable for use in liquid oxygen (LOX) pumps at KSC. It was concluded that: (1) earth gel thickened greases are very poor corrosion preventive materials in the KSC environment; (2) Halocarbon 25-5S and Braycote 656 were suitable substiutes for KELF-90 and Krytox 240 AC respectively; and (3) none of the oils evaluated possessed the necessary inertness, lubricity, and corrosion prevention characteristics for the KSC LOX pumping systems in their present configuration. |
Common terms and phrases
01 Steel Block 1003 hours Beach 2541 hours Salt 4-Ball Wear Tests 60 cycles Evaporation Aluminum Shear Test Atlantic Refining Co Bearing in Bottle Block on LFW-1 Block Wear Scar Block Weight Loss Bottle ASTM Copper on Oxidation Corrosion Test Panels Dow Corning Corp Dropping Point E.I. du Pont Effect of Copper Equivalent to control Figure gm-cms grease film Halocarbon Products Corp Hooker Chemical hours Beach Exposure hours Salt Spray Humidity Cabinet Hydrocarbon Joe Lockhart Kennedy Space Center Kg 30 Kg Kgs 4-Ball Wear Krytox 240 AC Last Non-Seizure Load LFW-1 Wear Tests Load Carrying Capacity Low Temperature Torque Lubricated SAE 01 Lubricating Greases Mean Hertz Load mgms Block Wear Military Specification Molybdenum Disulfide Numerical Rating Panels after Cleaning Performance in Corrosion POLYCHLOROTRIFLUOROETHYLENE Roller Bearing Running Torque SAE 01 Steel Salt Spray Chamber Shear Test Water Starting Torque Temp Unworked Worked 60 visible corrosion Wear and Load worse than control