Abstract
In the present investigation, we prepared two types of CF composites. The first prepared composite sample was CF/epoxy resin composite and the second was CF/epoxy resin / with a different weight ratio of magnetic iron oxide. Magnetic iron oxide was prepared by co-precipitation method, with particle sizes measured in range 25:35 nm. The resistance to penetration of high kinetic energy projectile of the prepared composite sample was measured and It was found that addition of 5% nano-particles of magnetic iron oxide to composite material sample decrease the residual velocity of projectile penetrating it by 9%.i.e increasing resistance of the sample to penetration of high kinetic energy projectile.it was found that the Resistance to penetration of sheet of composite material sampleC4 of weight=40.32kg to projectile 7.62×39 mm AP at distance 15m equivalent to resistance of steel sheet of weight =54.6 kg at distance 200m.Resistance to penetration of sheet of composite material sampleC4 to projectile 7.62×39 mm AP at distance 10m equivalent to the resistance of high-quality steel sheet(steel4340) of weight=47.85 kg at distance 25m.
Highlights
Carbon fiber carbon fiber (CF) considered as one of the most important fillers for polymeric matrix composite materials due to its unbelievable properties, such as high thermal stability, high specific strength and stiffness, performance to weight ratio, high conductivity, corrosion resistance and self-lubrication
The results show that the addition of multi-walled carbon nanotubes (MWCNTs) into the composites increased and enhancement the tensile properties and Interlaminar shear strength (ILSS) with much reduced disparity
The composite material based on CF/epoxy resin and CF/epoxy resin/nano particles of magnetic iron oxide were preparing by hand layup technique
Summary
Carbon fiber CF considered as one of the most important fillers for polymeric matrix composite materials due to its unbelievable properties, such as high thermal stability, high specific strength and stiffness, performance to weight ratio, high conductivity, corrosion resistance and self-lubrication. The essential mechanical characteristics of these composites such as toughness, longitudinal and transverse strength limited by the intrinsically poor interfacial adhesion between polymer materials and reinforcing CF surface. The curative causes the chemical reaction, which turns the epoxy resin into a solid, cross linked network of molecules This polymer is called a thermoset polymer structure with high cohesive strength and adhesion properties because, when cured, it is relatively unaffected by heat and irreversibly rigid. We use the same concept to add nanoparticle filler but with a different point of view In this investigation, the effect of the addition of nano particles of magnetic iron oxide into the resistance of CF/epoxy resin composite to penetration of high kinetic energy projectile was studied
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