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Atomic Oxygen Durability Evaluation of Protected Polymers Using Thermal Energy Plasma SystemsThe durability evaluation of protected polymers intended for use in low Earth orbit (LEO) has necessitated the use of large-area, high-fluence, atomic oxygen exposure systems. Two thermal energy atomic oxygen exposure systems which are frequently used for such evaluations are radio frequency (RF) plasma ashers and electron cyclotron resonance plasma sources. Plasma source testing practices such as ample preparation, effective fluence prediction, atomic oxygen flux determination, erosion measurement, operational considerations, and erosion yield measurements are presented. Issues which influence the prediction of in-space durability based on ground laboratory thermal energy plasma system testing are also addressed.
Document ID
19950016850
Document Type
Conference Paper
Authors
Banks, Bruce A. (NASA Lewis Research Center Cleveland, OH, United States)
Rutledge, Sharon K. (NASA Lewis Research Center Cleveland, OH, United States)
Degroh, Kim K. (NASA Lewis Research Center Cleveland, OH, United States)
Stidham, Curtis R. (Sverdrup Technology, Inc. Brook Park, OH., United States)
Gebauer, Linda (Cleveland State Univ. OH., United States)
Lamoreaux, Cynthia M. (Cleveland State Univ. OH., United States)
Date Acquired
September 6, 2013
Publication Date
February 1, 1995
Subject Category
CHEMISTRY AND MATERIALS (GENERAL)
Report/Patent Number
L-9452
NASA-TM-106855
NAS 1.15:106855
Meeting Information
International Conference on Plasma Synthesis and Processing of Materials(Denver, CO)
Funding Number(s)
CONTRACT_GRANT: NAS3-25266
PROJECT: RTOP 506-41-4A
Distribution Limits
Public
Copyright
Public Use Permitted.

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