Recent 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.
Ultraviolet-Induced Mirror Degradation
NASA Tech Briefs ; 6 , 2
1982-11-01
Sonstige
Keine Angabe
Englisch
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