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Experimental studies on mechanical properties of epoxy resin filled with hollow glass bead

LI Hui-jian,LIANG Xi,HE Chang-jun,YU Wei(College of Architectural Engineering and Mechanics,Yanshan University,Qinhuangdao,Hebei 066004,China)  
The epoxy composite reinforced with modified hollow glass beads(HGB) is prepared.Quasi-static compressive and tensile tests,impact tests,stress relaxation and dynamic thermal analysis are measured on HGB/epoxy with various HGB mass fraction.The mechanical parameters of Young's modulus,strength,impact toughness,stress relaxation rate and glass transition temperature are obtained.It is found that the mechanical properties change with the increment of HGB,showing the decrease in Young's modulus and strength and the increase in the impact toughness and stress relaxation rates.Glass transition temperature reaches maximum when the HGB mass ratio is 10%.The findings will serve as a reference for studies of interest.
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