Dynamic mechanical properties of epoxy resin matrix reinforced with sugarcane bagasse

Authors : Mustapha ABDULLAHİ

Pages : 43-48

Doi:10.32571/ijct.694558

View : 47 | Download : 8

Publication Date : 2020-06-30

Article Type : Research Paper

Abstract :The dynamic mechanical analysis was performed on five different formulations of a reinforced epoxy resin matrix with sugarcane bagasse insert ignore into journalissuearticles values(SCB); using hand lay-up technique. The viscoelastic behaviours of the composites were studied by analyzing the thermal parameters such as storage modulus E`insert ignore into journalissuearticles values(MPa);, loss modulus E``insert ignore into journalissuearticles values(MPa);, and tan⁡δ as the temperature increases at periodic stress frequencies of 2.5, 5, and 10 Hz using Dynamic Mechanical Analyzer insert ignore into journalissuearticles values(DMA);. The results revealed that E`insert ignore into journalissuearticles values(MPa); and E``insert ignore into journalissuearticles values(MPa); decreased with increasing temperature for all composites, while the tan⁡δ increased with increasing temperatures. As the frequency of oscillation is increased, the viscoelastic parameters was seen to increase as well. However, the tan⁡δ insert ignore into journalissuearticles values(damping coefficient); was found to decrease with increase in SCB fibre loading due to the good load-bearing capacity of the composites. The tan⁡δ peak temperature of the composites was found to be higher than the onset temperature of E`insert ignore into journalissuearticles values(MPa); and peak temperature of E`insert ignore into journalissuearticles values(MPa); which depict higher accuracy. Futhermore, it was seen that the increase in SCB fibre content in the epoxy resin increased the glass transition temperature insert ignore into journalissuearticles values(Tg);.
Keywords : Viscoelastic parameters, Storage modulus, loss modulus, epoxy resin, dynamic mechanical properties

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