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Design and Analysis of Aluminium-Flyash Composite for Connecting Rod

Geethanjali College of Engg. and Tech.-Suresh Nuthalapati, Devaiah Malkapuram
Published 2019-10-11 by SAE International in United States
In this modern era of rapid growth of technology and need of economical machining processes and materials, there is an increasing demand for new materials for different mechanical applications. Composites with fly ash as reinforcement are likely to overcome the cost barrier for wide spread applications in automotive and small engine applications. To improve wettability, elements such as Mg and Si are added into Al melt to incorporate the ceramic particles. The chemical composition and engineering properties of fly ash, its physical and chemical properties make it an ideal raw material for producing various application based composites. The main objective is to fabricate an Aluminium- Flyash composite material suitable for parts like engine connecting rod which demand high strength and temperature sustainability at comparatively less weight. The composite will be made using casting process and Engine connecting rod will be designed in AutoCAD software. The design will be analyzed with the help of Ansys with Aluminium and Aluminium- Flyash composite (at different compositions).
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Mechanical Properties of Similar and Dissimilar Metals of Monel 400 and SS 321 by Using Gas Tungsten Arc Welding (GTAW) Process

Geethanjali College of Engg. and Tech.-Sudarshan Rikka, Devaiah Malkapuram
Published 2019-10-11 by SAE International in United States
In the present study the fabrication of joints between the nickel base alloys and steels of various grades have been under taken, joining of these metals has assumed new importance by virtue of their widespread in nuclear and aerospace applications. Such joints provide excellent strength, oxidation and corrosion resistance. This paper deals with the study of weldability, and mechanical properties of weld joints of two different alloys such as nickel based alloy- monel 400 and austenitic stainless steel AISI 321. The joining of the similar and dissimilar metals is carried out by GTAW process and by employing two different types of filler rods SS321 and ERNiCrMo-3, Mechanical properties such as Ultimate Tensile Strength, Young’s Modulus ae found as per ASTM testing standards, Percentage of Elongation also found to know the joint efficiency and Microhardness survey across the weld joint to estimate the hardness variations at different locations such as Weld zone of the metal, Heat Affected Zone (HAZ), and Base metal.
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Friction Stir Welding of Aluminum 6082

Geethanjali College of Engg and Tech-Santhosh Aadhari, Devaiah Malkapuram
Published 2018-07-09 by SAE International in United States
Friction Stir Welding (FSW) overcomes many of the problems associated with traditional joining techniques. F SW is a solid-state process which produces welds of high quality in difficult-to-weld materials such as aluminum and is fast becoming the process of choice for manufacturing lightweight transport structures such as boats, trains and aero planes. A rotating cylindrical tool with a profiled probe is fed in to a butt joint between two clamped workpieces, until the shoulder, which has a larger diameter than the pin, touches the surface of the workpieces. The probe is slightly shorter than the weld depth required, with the tool shoulder riding at the top of the work surface. In this dissertation two Aluminum 6082 plates were joined with friction stir welding technique. The primary objective of this work is to study the effect of root gap and variation in tool speed on the properties of base metal i.e. AL6082. AL6082 base plates were friction stir welded with a root gaps of 0.25 mm, 0.5 mm and 0.75 mm at variable tool speeds of…
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