Indian Journal of Science and Technology

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Prediction and Experimental Validation of Peak Temperature in Friction Stir Welded AA2024 with AA5083 by Response Surface Methodology


Affiliations
1 Department of Mechanical, Karunya Institute of Technology and Sciences, Coimbatore – 641114, Tamil Nadu, India
 

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.
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  • Prediction and Experimental Validation of Peak Temperature in Friction Stir Welded AA2024 with AA5083 by Response Surface Methodology

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Authors

R. Raja
Department of Mechanical, Karunya Institute of Technology and Sciences, Coimbatore – 641114, Tamil Nadu, India
Sabitha Jannet
Department of Mechanical, Karunya Institute of Technology and Sciences, Coimbatore – 641114, Tamil Nadu, India
D. Emmanuel Sam Franklin
Department of Mechanical, Karunya Institute of Technology and Sciences, Coimbatore – 641114, Tamil Nadu, India

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.

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DOI: https://doi.org/10.17485/ijst%2F2018%2Fv11i44%2F131757