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Space environmental effects on spacecraft: LEO materials selection guide, part 2This document provides performance properties on major spacecraft materials and subsystems that have been exposed to the low-Earth orbit (LEO) space environment. Spacecraft materials include metals, polymers, composites, white and black paints, thermal-control blankets, adhesives, and lubricants. Spacecraft subsystems include optical components, solar cells, and electronics. Information has been compiled from LEO short-term spaceflight experiments (e.g., space shuttle) and from retrieved satellites of longer mission durations (e.g., Long Duration Exposure Facility). Major space environment effects include atomic oxygen (AO), ultraviolet radiation, micrometeoroids and debris, contamination, and particle radiation. The main objective of this document is to provide a decision tool to designers for designing spacecraft and structures. This document identifies the space environments that will affect the performance of materials and components, e.g., thermal-optical property changes of paints due to UV exposures, AO-induced surface erosion of composites, dimensional changes due to thermal cycling, vacuum-induced moisture outgassing, and surface optical changes due to AO/UV exposures. Where appropriate, relationships between the space environment and the attendant material/system effects are identified. Part 2 covers thermal control systems, power systems, optical components, electronic systems, and applications.
Document ID
19960000861
Document Type
Contractor Report (CR)
Authors
Silverman, Edward M. (TRW, Inc. Redondo Beach, CA, United States)
Date Acquired
September 6, 2013
Publication Date
August 1, 1995
Subject Category
SPACECRAFT DESIGN, TESTING AND PERFORMANCE
Report/Patent Number
NAS 1.26:4661-PT-2
NASA-CR-4661-PT-2
Funding Number(s)
PROJECT: RTOP 233-01-01-02
CONTRACT_GRANT: NAS1-19291
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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