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Research Journal of Engineering and Technology
Year : 2018, Volume : 9, Issue : 4
First page : ( 380) Last page : ( 386)
Print ISSN : 0976-2973. Online ISSN : 2321-581X.
Article DOI : 10.5958/2321-581X.2018.00051.X

Influence of Conical Taper Tool Profile on Mechanical and Micro Structural Characterization of Friction Stir Welded 5083 Aluminum Alloy

Kumar P.*, Kumar P. Satish**, Chander M. Shiva***

Department of Mechanical Engineering, S R Engineering College, Warangal, Telangana, India

*Corresponding Author E-mail: kumarpochampalli001@gmail.com

**satishpullur@gmail.com

***shiva.mothukuri11@gmail.com

Online published on 18 May, 2019.

Abstract

A study was made on welding of 4mm-thick aluminum alloy 5083 plates using friction stir welding. Table of experiments was prepared based on abilities of universal milling machine. The Experiments are conducted at different tool rotations speeds 900r/min, 1120r/min, 1400r/min and 1800r/min, the welding speed is at 40mm/min were taken. Analysis is made with the conical taper profile tool. Samples for microstructure analyses, Rockwell micro-hardness measurements and tensile-testing samples were prepared. It was observed that the better mechanical properties were achieved at moderate tool rotational speed, and equip-axed grains obtained at taper profile tool, grain size were obtained half of the base material.

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Keywords

Friction-stir welding, AA 5083, rotational speed, mechanical properties, conical taper profile tool.

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