A Comparative Study on Different Ceramic Fillers Affecting Mechanical Properties of Glass—Polyester Composites

Abstract

Filler plays a major role in determining the properties and behavior of particulate composites. In this study a series of glass fiber reinforced polyester composites are fabricated using flyash, aluminum oxide (Al 2O3) and silicon carbide (SiC) particles as filler materials. The effects of these three different ceramics on the mechanical properties of glass—polyester composites are investigated. Comparative analysis shows that with the incorporation of these fillers, the tensile strength of the composites decrease significantly. The flexural properties, interlaminar shear strength, density and hardness are also affected by the type and content of filler particles. It is found that the presence of SiC improves the hardness of the glass—polyester composites, whereas the other two fillers show marginal effect. The study reveals that the reduction in tensile strength is the minimum in case of flyash among all the fillers. Further, the composite with low flyash content (10 wt%) exhibits improved flexural strength. It is thus interesting to find that an industrial waste-like flyash shows better filler characteristics compared to those of alumina and SiC. Moreover, being cheap and easily available, it would hopefully provide a cost effective solution to composite manufacturers.

Effect of Filler Content and Alkalization on Mechanical and Erosion Wear Behavior of CBPD Filled Bamboo Fiber Composites

“…There can be two reasons for this decline in the strength properties of these composites. One possibility is that the chemical reaction at the interface between the filler particles and the matrix may be too weak to transfer the stress; the other is that the corner points of the irregular shaped particulates result in stress concentration in the matrix [20]. It is also observed from the figure that there is significant improvement of flexural strength in case of alkalized fiber based composites as compared to untreated one.…”

Physical and Mechanical Behavior of Al2O3 Filled Jute Fiber Reinforced Epoxy Composites

“…The stresses cause relative deformation between the lamina and if these are adequately high, they may cause failure along (Patnaik, et al, 2009). It is therefore of considerable interest to estimate inert-laminar shear strength through tests in which failure of laminates starts in a shear (delaminating) mode.…”

Preparation, characterization and erosion response of jute-epoxy composites reinforced with SiC derived from rice husk

“…Moreover, silicon carbide has low density, low thermal expansion, high elastic modulus, high strength, high hardness, and superior chemical inertness. Although the effect of SiC (produced from mineral sources) as a filler material has been investigated earlier [8] in glass-polyester composites, there is no report available on the potential of SiC particles derived from a bio-resource like rice husk in jute fiber reinforced polymer composites. In this investigation, SiC produced from rice husk by plasma processing route has been used.…”