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김조권(Kim-Zoh Gweon),한성종(Han-Sung Jong),이상용(Lee-Sang Yong) 산업기술교육훈련학회 2009 산업기술연구논문지 (JITR) Vol.14 No.3
Atlas Ci 4000 Weather-Ometer & GrretagMacbeth Color-Eye 7000A was used in order to simultaneously simulate and accelerate outdoor weatheing conditions for the evaluation of the outdoor durability of glass fiber/vinylester composites. The test mehod for monitoring the effect of artificial weathering included flexural strength measurement and colour difference. Clear crazing phenomena were not observed after long exposure to Weather-Ometer and also the mechanical properties were not decreased nearly by the Weather-Ometer and QUV exposure. The main reason to decrease UV effects has been characterized by using the UV stabilizer.
김조권(Zoh-Gweon Kim),한동룡(Dong-Yong Han),이칠순(Chil-Soon Lee) 산업기술교육훈련학회 2009 산업기술연구논문지 (JITR) Vol.14 No.3
The flammability test prescribed by KS M 3015 code was accomplished on the composite utility pole made from glass fiber reinforced plastics. The used resin was vinylester added by flame retardant as Halogen compounds and Antimony trioxide. The specimen were consisted of #1, #2 and #3 group with each 5 specimen. The composite utility pole was produced from glass woven roving and vinyleser by PVRTM. The results showed that all the specimen satisfied V-0 class of KS M 3015 without igniting on the cotton indicator by flaming particles or drops, and flaming or glowing up to the holding clamp. Almost all the specimen were safe without flame time after firs and second flame application.