{"id":{"repo_id":"ohiolink","oai_identifier":"oai:etd.ohiolink.edu:case1364987929"},"canonical_url":"https://search.dev.ndltd.org/etd/ohiolink/oai:etd.ohiolink.edu:case1364987929","repository":{"repo_id":"ohiolink","name":"OhioLINK","base_url":"https://etd.ohiolink.edu/acprod/odb_etd/ws/oai/oai"},"display":{"title":"DEVELOPMENT AND OPTIMIZATION OF BACK SURFACE ACRYLICSOLARMIRRORS TO ASSURE 25 YEAR LIFETIME PERFORMANCE","abstract":"Use ofmaterials without sufficient track records, in technologies that performoutdoorsfor long periods, may result in premature degradation or outright failure; howevermanyunproven material systems have not been evaluated for their lifetime performance. Inaddition, they can present opportunities to reduce system costs without negatively impactingperformance. Lifetime and degradation science (L&DS) is used to inform materialchoice, by implementing accelerated weathering protocols alongside periodic evaluationscross-correlated using a stress-response framwork, to mitigate risk of prematureperformance loss. L&DS was implemented for Replex Plastics in development of a novel,low cost, solar-grade mirror with a 25-year performance. New performance metrics forsolar mirrors were developed and used to determine which of a set of acrylic substratesshould be used in the construction of these solar-grade mirrors. Two formulations ofprotective coating were evaluated and possible degradation modes for aluminum backsurfacereflectors were determined. Accelerated weathering protocols that induce damagefrom UV light, temperature, humidity and corrosive environments were performedon bulk materials and components. Analysis of the bulk material transmission, mirror reflectance, and scattering functions were correlated with accelerated weathering protocols for this technology development endeavor.","abstract_html":"Use ofmaterials without sufficient track records, in technologies that performoutdoorsfor long periods, may result in premature degradation or outright failure; howevermanyunproven material systems have not been evaluated for their lifetime performance. Inaddition, they can present opportunities to reduce system costs without negatively impactingperformance. Lifetime and degradation science (L&DS) is used to inform materialchoice, by implementing accelerated weathering protocols alongside periodic evaluationscross-correlated using a stress-response framwork, to mitigate risk of prematureperformance loss. L&DS was implemented for Replex Plastics in development of a novel,low cost, solar-grade mirror with a 25-year performance. New performance metrics forsolar mirrors were developed and used to determine which of a set of acrylic substratesshould be used in the construction of these solar-grade mirrors. Two formulations ofprotective coating were evaluated and possible degradation modes for aluminum backsurfacereflectors were determined. Accelerated weathering protocols that induce damagefrom UV light, temperature, humidity and corrosive environments were performedon bulk materials and components. Analysis of the bulk material transmission, mirror reflectance, and scattering functions were correlated with accelerated weathering protocols for this technology development endeavor.","abstract_has_math":false,"creators":["Murray, Myles P."],"institution":"Case Western Reserve University School of Graduate Studies","degree_name":"Master of Sciences","degree_level":"masters","degree_discipline":"Materials Science and Engineering","degree_department":null,"school":null,"contributors":["French, Roger"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013-08-19","date_published":"2013-08-19","updated_at":"2026-07-24T03:37:16Z","subjects":["Materials Science","Acrylic","Degradation","Photovoltaic","L&DS"],"languages":["English"],"rights":["unrestricted","This thesis or dissertation is protected by copyright: all rights reserved. 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L&DS was implemented for Replex Plastics in development of a novel,low cost, solar-grade mirror with a 25-year performance. New performance metrics forsolar mirrors were developed and used to determine which of a set of acrylic substratesshould be used in the construction of these solar-grade mirrors. Two formulations ofprotective coating were evaluated and possible degradation modes for aluminum backsurfacereflectors were determined. Accelerated weathering protocols that induce damagefrom UV light, temperature, humidity and corrosive environments were performedon bulk materials and components. Analysis of the bulk material transmission, mirror reflectance, and scattering functions were correlated with accelerated weathering protocols for this technology development endeavor."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf","p.67","7.51 MB"]},{"key":"dc:title","label":"Title","values":["DEVELOPMENT AND OPTIMIZATION OF BACK SURFACE ACRYLICSOLARMIRRORS TO ASSURE 25 YEAR LIFETIME PERFORMANCE"]}]}],"canonical_facts":{"dc:contributor":["French, Roger"],"dc:creator":["Murray, Myles P."],"dc:date":["2013-08-19"],"dc:description":["Use ofmaterials without sufficient track records, in technologies that performoutdoorsfor long periods, may result in premature degradation or outright failure; howevermanyunproven material systems have not been evaluated for their lifetime performance. Inaddition, they can present opportunities to reduce system costs without negatively impactingperformance. Lifetime and degradation science (L&DS) is used to inform materialchoice, by implementing accelerated weathering protocols alongside periodic evaluationscross-correlated using a stress-response framwork, to mitigate risk of prematureperformance loss. L&DS was implemented for Replex Plastics in development of a novel,low cost, solar-grade mirror with a 25-year performance. New performance metrics forsolar mirrors were developed and used to determine which of a set of acrylic substratesshould be used in the construction of these solar-grade mirrors. Two formulations ofprotective coating were evaluated and possible degradation modes for aluminum backsurfacereflectors were determined. Accelerated weathering protocols that induce damagefrom UV light, temperature, humidity and corrosive environments were performedon bulk materials and components. 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