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Study on the Resistance of Ultraviolet Radiation of Composite Materials Based on Epoxy Resin
Abstract:
Previous research indicated epoxy resin based repairing materials have been widely used due to its outstanding advantages in strength, durability corrosion, abrasion resistance and reasonable price, etc. But its nonperforming resistance of ultraviolet radiation restricted popularization and using. In this paper the effect of inorganic fillers (quartz sand, rutile type titanium dioxide and talc powder) and organic fillers (HALS-770 and UV-P) on the Compressive strength of RME irradiated was studied. The results indicated that inorganic and organic fillers revealed good shielding effect. The inorganic fillers decreased the compressive strength of RME about 20MPa, and talc powder was better than quartz sand and rutile type titanium dioxide. Organic fillers had unaffected in strength, and combined use of HALS-770 and UV-P had better resistance than alone. The strength retention of RME with talc powder and combined with HALS-770 and UV-P irradiated 4500h were 85.65% and 93.5%.
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812-816
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December 2011
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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