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PERFORMANCE OF LUBRICANTS AND THERMAL CONTROL MATERIALS UNDER SIMULATED SPACE CONDITIONS,
LOCKHEED MISSILES AND SPACE CO SUNNYVALE CALIF
The gross effects of space environment on typical materials for spacecr-4pplications are briefly discussed. Equipment and experimental procedures used at LMSC for testing ans selecting materials in support of a typical high-relia bility satellite hardware program are described. Principal material problem areas associated with this program are lubricants for mechanisms and thermal control materials. Experimental details and results on the effect of high vacuum and operating conditions on oils, greases, and dry film lubricants for bearings are presented. Also discussed are applications of thermal con trol materials and results of environmental test ing of solar reflectors such as white paints in the presence of intense ultraviolet radiation in vacuum. Author