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International Journal of Innovative Research in Science, Engineering and Technology

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Analysis of Micro structural Grain Size and Temperature Distribution in Aluminum Alloy 6061 Using Friction Stir Welding

Rajesh V1, Subramanian. C2
  1. Department of Mechanical Engineering, S.R.M. University, Kattankulathur, Kancheepuram, India
  2. Assistant Professor (Sr.G) Department of Mechanical Engineering, S.R.M. University, Kattankulathur, Kancheepuram, India
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Abstract

Friction stir welding is a solid state joining and relatively a new welding process that has a significant advantages compared to the fusion welding process such as joining conventionally non fusion weld able alloy, being a solid state joining process it produces weld with reduced distortion and improved mechanical properties. The usage of aluminum alloy are widely used in different industrial application such as ship building, and automobile industries due to their light weight good mechanical strength and high corrosion resistance. The main aim of the project is to optimize the tool profile among the four tool profile in friction stir welding which increase the yield strength and hardness. In this project, the main parameters considered are heat input from the tool shoulder and tool pin. the temperature distribution analysis is carried out using the abacus software. the four work piece are welded with the four different tool pin profile at the speed and feed rate of 1200rpm and 1.25 mm/sec. after welding the work piece, hardness and tensile test are performed to check the strength of the work piece. scanning electron microscope is used to check whether any defects and porosity in the work piece after welding

References

  1. Friction Stir Welding Process, Automation And Control B.T. Gibson D.H. Lammlein T.J. Prater
  2. Friction-Stir Dissimilar Welding Of Aluminium Alloy To High Strength Steels: Mechanical Properties And Their Relation To Microstructure R.S. Coelho A. Kostka J.F. Dos Santosa. Kaysser-Pyzalla
  3. Finite Element Modelling Of Friction Stir Welding- Thermal And Thermo Mechanical Analysis C.M. Chen, R. Kovacevic
  4. Predicting Tensile Strength Of Friction Stir Welded Aa6061 Aluminium Alloy Joints By A Mathematical Model K. Elangovan, V. Balasubramanian S. Babu
  5. Influences Of Tool Pin Profile And Tool Shoulder Diameter On The Formation Of Friction Stir Processing Zone In Aa6061 Aluminium Alloy K. Elangovan, V. Balasubramanian
  6. Microstructural Evolution And Mechanical Properties Of Dissimilar Al–Cu Joints Produced By Friction Stir Welding C.W. Tan, Z.G. Jiang L.Q. Li
  7. Influences Of Tool Pin Profile And Welding Speed On The Formation Of Friction Stir Processing Zone In Aa2219 Aluminium Alloy K. Elangovan, V. Balasubramanian