“EVALUATION OF PROPERTIES FOR ALUMINIUM ALLOY METAL MATRIX COMPOSITES REINFORCED WITH FLY-ASH”
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Abstract
Materials are often selected for the structural applications due to the fact those mechanical characteristics combinations which are acceptable. Developing of hybrid Metal Matrix Composite has become an important area in material science. And hence it was aimed to evaluate physical properties of Aluminium, fly-ash and its combinations. This leads to the direction of developing a generation of new materials which are produced at low cost, lighter in weight and possess higher strength. The end results of research on this specialized subject led to the improvement of composites. Consequently, AL-MMC mixes the toughness of matrix and reinforcement strength to obtain a combination of desired properties, which are not found in the single conventional material. Al Based MMC is processed in Resistance-Furnace successfully at 1000º C reaction-temperature and 30 minutes’ reaction-time. The Micro-Structural studies demonstrate formation of Al.+.4.5%Cu+.Fly Ash phases exhibiting exothermal-reaction is complete. The Tensile-strength of 1-3 and 2-3 compositions were found to be greater than that of 1-1 and 2-1 compositions respectively. The Hardness values of 1-1 and 2-1 compositions were found to be greater than that of 1-3 and 2-3 composition respectively. The Tensile strength of MMC is increasing with the decrease in fly-ash.
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