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-Composite materials have been increasingly used in aerospace and automotive applications over the last two decades and have seen a dramatic increase in usage in non-aerospace products in the few years. The use of hybrid composites materials is over attractive because of their outstanding strength, stiffness and light-weight properties .an additional advantage of using hybrid composite is the ability to tailor the stiffness and strength to specific design loads. Metal Matrix Composites (MMC’s) consist of either pure metal or alloy as the matrix material, while the reinforcement generally a ceramic material. Among the MMC’s aluminum composites are predominant in use due to their low weight and high strength. Hence, it is proposed to form a new of composite. Al 7075 alloy reinforced with E-glass fiber and Fly ash particulates to form MMC’s using the graphite die for casting. The MMC is obtained from different composition of Eglass and Fly ash particulates (varying the E glass with constant Fly ash and varying fly ash with constant Eglass percentage). The test specimens are prepared as per ASTM standard size by turning and facing operations to conduct hardness, wear and corrosion tests. The test specimens are tested for hardness as per ASTM standard. Wear as per ASTM standards G99 by using dry sliding pin on disc machine. It is observed that the MMC obtained has got better hardness, wear and corrosion behavior when compared to Al 7075 alone.

A Study of Tribological properties and Corrosion Behavior of Short E Glass Fiber and Fly Ash Reinforced with Aluminum 7075 Composite