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Corosion of Aluminum Solar Reflectors

Sutter, Florian and Wette, Johannes and Lopez-Martin, Rafael (2012) Corosion of Aluminum Solar Reflectors. SolarPACES 2012, 11-14 Sept. 2012, Marrakesch, Marokko.

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Abstract

Enhanced first-surface aluminum reflectors are being studied as a low cost alternative to thick glass mirrors in concentrating solar power plants. Reflector samples have been exposed at various outdoor exposure sites in order to evaluate their durability in real outdoor conditions. Most of the samples showed localized corrosion spots on the surface after almost 6 years of exposure. This article focuses on the mechanism that leads to corrosion and evaluates its consequences on the specular reflectance of the mirror.

Item URL in elib:https://elib.dlr.de/78567/
Document Type:Conference or Workshop Item (Paper)
Title:Corosion of Aluminum Solar Reflectors
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Sutter, FlorianFlorian.Sutter (at) dlr.deUNSPECIFIED
Wette, JohannesJohannes.Wette (at) dlr.deUNSPECIFIED
Lopez-Martin, RafaelPSA-CIEMATUNSPECIFIED
Date:11 September 2012
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Aluminum solar reflector, localized corrosion of aluminum, outdoor weathering, specular reflectance, coating defects, pinholes
Event Title:SolarPACES 2012
Event Location:Marrakesch, Marokko
Event Type:international Conference
Event Dates:11-14 Sept. 2012
Organizer:IEA Energy SolarPACES
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Systems (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Qualifizierung (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Qualifizierung
Deposited By: Kruschinski, Anja
Deposited On:17 Dec 2012 17:06
Last Modified:12 Dec 2013 21:51

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