Indian Welding Journal

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Predicting Tensile Strength and Interface Hardness of Friction Welded Dissimilar Joints of Austenitic Stainless Steel and Aluminium Alloy by Empirical Relationships


Affiliations
1 Department of Mechanical Engineering, Seshasayee Institute of Technology, Tiruchirappalli, India
2 Department of Mechanical Engineering, Anna University of Chennai, Tiruchirappalli Campus, India
3 Centre for Materials Joining & Research (CEMAJOR), Annamalai University, Annamalainagar, India
     

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Friction welding can be used to join different types of ferrous metals and non-ferrous metals that cannot be welded by traditional fusion welding processes. The process parameters such as rotational speed, friction pressure, forging pressure, friction time and forging time play the major roles in determining the strength of the joints. In this investigation, an attempt was made to develop empirical relationships to predict the tensile strength and interface hardness of friction welded dissimilar joints of AIS I304 austenitic stainless steel (ASS) and AA6082 aluminium (Al) alloy using statistical tools such as design of experiments, analysis of variance and regression analysis. The developed empirical relationships can be effectively used to predict tensile strength and interface hardness of friction welded dissimilar joints of ASS-AI at 95% confidence level.


Keywords

Friction Welding, Austenitic Stainless Steel, Aluminium Alloy, Design of Experiments, Analysis of Variance, Tensile Strength.
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  • Predicting Tensile Strength and Interface Hardness of Friction Welded Dissimilar Joints of Austenitic Stainless Steel and Aluminium Alloy by Empirical Relationships

Abstract Views: 276  |  PDF Views: 5

Authors

G. Vairamani
Department of Mechanical Engineering, Seshasayee Institute of Technology, Tiruchirappalli, India
T. Senthil Kumar
Department of Mechanical Engineering, Anna University of Chennai, Tiruchirappalli Campus, India
S. Malarvizhi
Centre for Materials Joining & Research (CEMAJOR), Annamalai University, Annamalainagar, India
V. Balasubramanian
Centre for Materials Joining & Research (CEMAJOR), Annamalai University, Annamalainagar, India

Abstract


Friction welding can be used to join different types of ferrous metals and non-ferrous metals that cannot be welded by traditional fusion welding processes. The process parameters such as rotational speed, friction pressure, forging pressure, friction time and forging time play the major roles in determining the strength of the joints. In this investigation, an attempt was made to develop empirical relationships to predict the tensile strength and interface hardness of friction welded dissimilar joints of AIS I304 austenitic stainless steel (ASS) and AA6082 aluminium (Al) alloy using statistical tools such as design of experiments, analysis of variance and regression analysis. The developed empirical relationships can be effectively used to predict tensile strength and interface hardness of friction welded dissimilar joints of ASS-AI at 95% confidence level.


Keywords


Friction Welding, Austenitic Stainless Steel, Aluminium Alloy, Design of Experiments, Analysis of Variance, Tensile Strength.