Abstract
Objective: The work aims at prediction of the peak temperature using Response Surface Methodology. Methods/ Statistical Analysis: Dissimilar Aluminum Alloys AA2024 and AA5083 O were friction stir welded. A fifteen run 3 factorial 3 level Box Behnken design was conducted and temperature generated were measured at both sides of the alloys. Thermocouples were employed for the same. The temperature was recorded and studies conducted. Response surface plots were used to obtain the peak temperature and effect of various parameters. Findings: The relationship between the process parameters and the temperature were established using ANNOVA. Mathematical models were development which can apply for future predictions. The traverse speed, rotational speed and the tool profile contributed to the temperature generation. The peak temperature was obtained at 1200 rpm, 25 m/min and threaded cylindrical tool pin profile. Application/Improvements: The temperature at the re-treating side was recorded to be higher compared to the advancing side. Keywords: Anova, Heat Input, Mathematical Modeling. Peak Temperature, RSM
Highlights
A solid-state metal joining process Friction stir Welding changed the whole perspective of metal joining in automobile, ship and aircraft industries[1]
The cause for this trend may be attributed to the frictional heat which is generated as a result of the tool rotational speed and increase in speed leads to more friction and heat
The peak temperature at the retreating side is higher compared to the advancing front
Summary
A solid-state metal joining process Friction stir Welding changed the whole perspective of metal joining in automobile, ship and aircraft industries[1]. FSW of numerous joint changed into put up-weld heat treated and the remaining tensile strength (UTS) turned into 336 MPa2. An assumption of incompressible fluid flow obtained by a rotating disk was considered to build a three-dimensional model to calculate material flow during friction stir welding[3,4]. The tensile strength of the different joints was found to be increasing with a decrease in heat input[5]. Increasing the rotating speed, results in the transmission of the higher field of temperature distribution from the region of low melting point material to other
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