Evaluation of elastomers as gasket materials in pneumatic and hydraulic systems
C. W. Bright, B. J. Lockhart, United States. National Aeronautics and Space Administration, John F. Kennedy Space Center
National Aeronautics and Space Administration, 1972 - Science - 23 pages
In the search for superior materials from which to make gaskets for pneumatic and hydraulic systems, promising materials were selected and tested. The testing was conducted in two phases. Those materials that passed the tests of Phase 1 were tested in Phase 2, and categorized in the order of preference.
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100°C Hardness Shore Age Test Sheet Aging of Vulcanized B. J. Lockhart Bright and B. J. brittle failure BRITTLE POINT Brittleness Tester C. W. Bright Center LOX Test Chloroprene Goodyear Tire compression set test controlled deteriorating influences DAYS in RP-1 discolored RP-1 durometer hardness eighteen materials Elastomers as Gasket Epichlorohydrin Goodrich Chemical Ethylene Propylene Evaluation of Elastomers exposure Gasket Materials hydraulic systems immersion influences for known Kennedy Space Center LOX Impact Materials in Pneumatic Materials Testing Branch materials were selected measure the deterioration MIL-H-5606 Hydraulic Fluid Nitrile Goodrich Chemical outlined per ASTM overall performance Oxygen Pelmor Labs PLV-5010-B Performing Organization Phase II Testing PNEUMATIC & HYDRAULIC pneumatic and hydraulic previously determined physical samples seven materials specific gravity specimens having previously subjecting test specimens Tension testing Test results testing program Thiokol Tire & Rubber types of elastomers ultimate elongation Ultimate Tensile Strength Urethane vendors Vulcanized Rubber Weather Age Test Weight Change