INVESTIGATION OF DYNAMIC CHARACTERISTICS ON GFRP COMPOSITES WITH EGG SHELL PARTICLES

Abstract

New engineering functional materials are required to the designers for many valid reasons which are stronger, lighter or less expensive compared with traditional materials. Polymer composite is the essential engineering material in the field aerospace, automobile and defense applications. In this research work, Glass fiber reinforced polymer composites with egg shell particles modified epoxy laminates were fabricated and dynamic mechanical characteristics were analyzed. Egg shell particles are dispersed with different volume fractions (0%, 5%, 7%, 9%) by mechanical stirring and ultra-sonication method. Laminates were prepared with hand layup method. Dynamic mechanical characteristics were examined by impulse excitation technique under fixed- free boundary conditions. In addition, mechanical properties such as impact strength and hardness of the composites were also determined.