Effect of ultrasonic parameters on the mechanical properties of glass fiber reinforced polyester filled with nano-clay

Faculty Engineering Year: 2020
Type of Publication: ZU Hosted Pages:
Authors:
Journal: Journal of Industrial Textiles SAGE Publications Volume:
Keywords : Effect , ultrasonic parameters , , mechanical properties , glass    
Abstract:
ltrasound sonication is one of the promising techniques to disperse the nanoparticles into a polymeric matrix thoroughly. In this study, the effects of ultrasonic parameters (amplitude%, time, and cycle of sonication) on the dispersion of 1 wt% nano-clay in polyester matrix were investigated. To disperse the nano-clay into the polyester matrix, sonication amplitudes of 40 and 80%; sonication times of 0.5, 1, and 2 h; and pulsed as well as continuous cycle acoustic irradiation modes were used. Compared with the unfilled glass fiber/polyester composites, the tensile strength and fracture toughness of glass fiber/polyester composites filled with nano-clay were improved with all sonication parameters. The ultrasonic parameters were of significant importance for dispersing nano-clay onto glass fiber/polyester composites and improving the interfacial properties of the composites. Sonication using an amplitude of 40% with pulse control mode of 0.5 cycle and time of 2 h resulted in maximum improvement in both ultimate tensile strength and fracture toughness of 22 and 33.4%, respectively, as compared to neat specimens.
   
     
 
       

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