Abstract
The heart of composite materials depends on the characteristics of their interface. The physical properties of composite materials are often described by the rule of mixtures, representing the average physical properties of the reinforcement and the matrix resin. However, in practical applications there are situations which arise where the rule of mixtures is not followed. This is because when an external energy applied to the composite material is transferred from the matrix to the reinforcement, the final physical properties are affected by the interface between them rather than the intrinsic properties of both the reinforcement and the matrix. The internal bonding strength of the interface of these composites can be enhanced by enhancing the bonding strength by adding a small amount of material at the interface. In this study, the mechanical properties were evaluated by producing a carbon fiber-reinforced composite material and improved by dispersing halloysite nanotubes (HNTs) and the epoxy resin using an ultrasonic homogenizer. The interfacial bond strength increased with the addition of HNT. On the other hand, the addition of HNTs more than 3 wt % did not show the reinforcing effect by HNT agglomeration.
Highlights
The interface of composite materials is the heart of composite materials
Tensile strength was investigated to evaluate the effect of halloysite nanotubes (HNTs) on the tensile strength of carbon method for mixed mode I-mode II interlaminar fracture toughness of unidirectional fiber reinforced fiber-reinforced composite material
The interlaminar shear strength (ILSS) of carbon fiber-reinforced epoxy composite without any added HNT was ~26.29 MPa, the specimen with an HNT content of >5 wt % had a smaller tensile strength than the specimens which was even lower than the test specimen with 10 wt % HNT showing the smallest strengthening witheffect no added
Summary
The interface of composite materials is the heart of composite materials. There is a significant difference between the physical and chemical properties or the mechanical properties of the reinforcing fibers and the matrix resin itself [1]. The interfacial bonding strength of carbon fiber-reinforced composite material can be improved twotomethods. HNTs carbon fibers and the matrix, mechanical and expected to enhance theto interfacial bonding strength betweenfirst the the carbon fibers and behavior the matrix,of the HNT/matrix-based composites was observed by dispersing. II interlaminar fracture toughness was measured and evaluated to investigate theepoxy to investigate interfacial reinforcement effect of HNTs, nanoparticles were dispersed only in fracture phenomenon at the interface of carbon fiber reinforced composite with nanoparticles. In order to investigate the interfacial reinforcement effect of HNTs, nanoparticles were dispersed only theoretical and experimental properties of the layered composite material. In epoxy resins, and mechanical properties were evaluated to compare the reinforcing effect in the resin and the theoretical and experimental properties of the layered composite material
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