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- W2315101066 abstract "In this paper, commercially available Fly Ash and Epoxy is used for the core material, woven glass fabric as reinforcing skin material, epoxy as matrix/adhesive materials used in this study for the construction of sandwich composite. Experimental investigation is carried out on different proportions of epoxy and fly ash sandwiched composite material for determining the tensile strength and compressive strength, three different proportions of epoxy and fly ash used for the study. Those are 65%-35% (65% by weight fly ash and 35% by weight epoxy resin) composite material, 60%-40% and 55%-45% composite material. 60%-40% composite material specimen shows better results in the entire test carried out i.e. tensile and Compression. The complete experimental results are discussed and presented in this paper. I. INTRODUCTION Composite materials are two or more chemically different types of constituents combined macroscopically to yield a useful material. A composite material is a macroscopic combination of two or more distinct material's, having a recognizable interface between them. Composites are used not only for their structural properties, but also for electrical, thermal, tribological and environmental applications. Composites materials may be restricted to emphasize those materials that contain a continuous matrix constituent that binds together and provides form to an array of a stronger, stiffer reinforcement constituent. Composites typically have a fiber or particle phase that is stiffer and stronger than the continuous matrix phase. Many types of reinforcements also often have good thermal and electrical conductivity, a coefficient of thermal expansion (CTE) that is less than the matrix, and/or good wear resistance. Sandwich composites comprise of two thin but stiff face sheets attached on either side of the lightweight, thick slab known as core. Many variations of these definitions are available but the key factor in making this type of materials remains the lightweight core, which reduces the sandwich structures are commonly used for weight efficient components in aerospace applications from the last few decades. The design of a structural sandwich depends on the material selection. Not the geometry only, but an integrated process of geometrical design and material selection. The most usual components of aerospace sandwiches are glass-fiber skins and eco-core due to their high specific stiffness structure, implies that surface remain flat even under quite high compressive stress without buckling. This is important in aircraft structures in which control surfaces preferably should remain smooth even under loading. During service, regardless of tensile or compressive loading, there will be stress variation in the sandwich structure. Analysis of localized stresses in the face-sheet of the sandwich structure for different loading condition is considered for the study. The main objective is to study the mechanical behavior of glass fiber face sheet with eco-core sandwich composite based on ASTM standards. II. LITERATURE REVIEW Ahmad and Mahanwar, (2010) Studied the effect of fly ash as filler on the mechanical properties of HDPE. Three different particle sizes of fly ash were used. Concentration of fly ash was varied up to 40% by weight. The composites were prepared using twin screw extruder and then test specimens were prepared by injection molding. Tensile, flexural and impact properties were tested. Both tensile and flexural strengths and moduli were found to increase with fly ash addition. Tensile elongation drastically reduced at fly ash concentration greater than 10%. With increasing fly ash concentration impact resistance decreased up to about 15% fly ash concentration and then did not reduce significantly on further addition. Composites with smallest size fly ash particles proved to be better in enhancing strength and relative elongation (1).Kurt Feichtinger, (2006)focused on to compare the properties of identical laminate builds comprising two piles of 1808 E-glass" @default.
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- W2315101066 date "2014-06-01" @default.
- W2315101066 modified "2023-10-17" @default.
- W2315101066 title "Experimental Investigation of the Tensile strength and Compressive strength of Fly Ash Core Sandwiched Composite Material" @default.
- W2315101066 doi "https://doi.org/10.9790/3021-04650110" @default.
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