Effect of Particulate Reinforcement on the Mechanical Properties of Al2024-WC MMCs  

Effect of Particulate Reinforcement on the Mechanical Properties of Al2024-WC MMCs

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作  者:K. Punith Gowda J. N. Prakash Shivashankare Gowda B. Satish Babu 

机构地区:[1]Department of Mechanical Engineering, East West Institute of Technology, Bengaluru, India [2]St Johns College of Engineering and Technology, Yemmiganur, India [3]Swarnandhra Institute of Engineering & Technology, Narasapur, India

出  处:《Journal of Minerals and Materials Characterization and Engineering》2015年第6期469-476,共8页矿物质和材料特性和工程(英文)

摘  要:The present work reveals the study of mechanical properties of Al2024-Tungsten carbide MMCs containing tungsten carbide (WC) particulates. The reinforcing particulates in the Al2024 alloy were varied from 0% to 5% by weight. The vortex method of cast production was employed to fabricate the MMCs, in which the reinforcement was poured into the vortex created by stirring the molten metal by means of a mechanical agitator. The composite so produced was subjected to a series of mechanical tests. The results of this study revealed that as the tungsten carbide particle content was increased, there were significant increases in the ultimate tensile strength, hardness and young’s modulus, compressive strength, accompanied by a reduction in its ductility. An attempt is made in the paper to provide explanations for these phenomena.The present work reveals the study of mechanical properties of Al2024-Tungsten carbide MMCs containing tungsten carbide (WC) particulates. The reinforcing particulates in the Al2024 alloy were varied from 0% to 5% by weight. The vortex method of cast production was employed to fabricate the MMCs, in which the reinforcement was poured into the vortex created by stirring the molten metal by means of a mechanical agitator. The composite so produced was subjected to a series of mechanical tests. The results of this study revealed that as the tungsten carbide particle content was increased, there were significant increases in the ultimate tensile strength, hardness and young’s modulus, compressive strength, accompanied by a reduction in its ductility. An attempt is made in the paper to provide explanations for these phenomena.

关 键 词:Aluminium 2024 Alloys TUNGSTEN CARBIDE STIR CASTING MECHANICAL Properties 

分 类 号:TB3[一般工业技术—材料科学与工程]

 

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