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A low Earth orbital space experiment entitled, "Polymers Erosion And Contamination Experiment," (PEACE) has been designed as a GetAway Special (GAS Can) experiment to be accommodated as a Shuttle in-bay environmental exposure experiment. The first objective is to measure the atomic oxygen erosion yields of-40 different polymeric materials by mass loss and erosion measurements using atomic torce microscopy. The second objective is to evaluate the capability of identifying sources of silicone contamination through the use of a pin-hole contamination camera which utilizes environmental atomic oxygen to produce a contaminant source image on an optical substrate. 17. SECURITY CLASSIFICATION 18. SECURITY CLASSIFICATION OF REPORT OF THIS PAGE
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