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An Effect of Different Plate Thickness on the Tensile and Flexural Strength of Epoxy LY556 / E- Glass Fiber / Nano Clay Composite Materials

Sivasaravanan S, Bupesh Raja V. K, Dineshreddy S, Sathvik V


This experimental investigation is a characterization study of Epoxy/E-Glass fiber composite material strengthened by addition of montmorillonite nano clay particles as filler material to the epoxy matrix. Over the last three decades composite materials have been used extensively in engineering field, since they possess good mechanical properties and high strength to weight ratio. Composite materials are used in many engineering applications ranging from day-to-day household domestic articles, to highly sophisticated applications. In this present investigation nano composites of Epoxy LY556/E-Glass fiber/Nano Clay composite plates of 4mm, 5mm and 6mm thickness were prepared by hand-layup technique. In this experimental study the Epoxy LY556 was used as a matrix material along with Hardener HY951 in the ratio of 10:1 respectively. E-glass fiber with bi-directional 45 degree orientation was used as the reinforcing fiber material. The montmorillonite nano clay material was used as filler material in 1 to 5% by weight percentage. The hand layup technique was used to fabricate the nano clay composite since is a easy and economic technique. The composite plates were subjected to tensile and flexural test as per American Society for Testing and Materials (ASTM). The tensile strength and flexural strength of 6 mm plates was higher where as the 4mm and 5mm plate. The 4mm thick plate possessed low tensile and flexural strength. The morphology of the tensile and flexural composite samples was analyzed by Scanning Electron Microscope (SEM). This investigation reveals that the addition of 4% of nano clay improves the mechanical properties of the Epoxy LY556/E-Glass Fiber/Nano Clay Composite materials, considerably. Hence the montmorillonite nano clay is an ideal filler material for producing the good quality composite materials.

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