EFFECT OF INTERFACIAL SHEAR STRESS ON THE MECHANICAL PROPERTIES OF ( srp ) COMPOSITE MATERIAL

Abstract

The interface is crucial in controlling composite properties because load is transferred from the matrix to the fiber through this interface. In this paper a study of interface of a composite material which consists of polymer matrix ( Epoxy ) reinforced with high carbon steel wires, ( SRP ). This reinforcement offers high strength and stiffness characteristic at a reasonable cost. Also, the effect of roughness of steel wire on interface and mechanical properties are studied. The bonding force of ( SRP ) composite material with roughened surface increased by about (% 73.3) an increment of flexural capacity by (11.77 %) and the impact energy is increased (60 %) as compared with SRP with polished steel reinforcement wire.