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Ultraviolet-Induced Mirror DegradationRecent tests of second-surface mirrors show that ultraviolet radiation penetrates glass and metalized zone and impinges upon backing paint. According to report, many backing materials are degraded by ultraviolet radiation. Mirror corrosion is a serious problem in solar-energy collection systems. Effects of UV on polymeric materials have been studied, and in general, all are degraded by UV. Polymers most resistant to UV radiation are polyimides.
Document ID
19810000171
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Bouquet, F. L. (CALTECH)
Hasegawa, T. T. (CALTECH)
Cleland, E. L. (CALTECH)
Date Acquired
August 11, 2013
Publication Date
November 1, 1982
Publication Information
Publication: NASA Tech Briefs
Volume: 6
Issue: 2
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
NPO-15520
Accession Number
81B10171
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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