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Microstructure and Tensile Strength of Butt Joint between AA6063 Aluminum Alloy and AISI304 Stainless Steel by Friction Stir Welding

Sadmai, Karuna;Kaewwichit, Jesada;Roybang, Waraporn;Keawsakul, Nut;Kimapong, Kittipong

  • Received : 2015.03.23
  • Accepted : 2015.05.21
  • Published : 2015.06.30

Abstract

This study presents the experimental results of the Friction Stir Welding (FSW) of AA6063 aluminum alloy and AISI304 stainless steel butt joint by varying the welding parameters such as the rotating speed and the welding speed. The main results are as follows. The variation of the welding parameters produced various characteristic interfaces and had distinct influences on the joint properties. Increasing the rotating speed and the welding speed decreased the joint tensile strength because it produced the defect on the joint interface. The optimum welding parameter that could produce the sound joint was a rotating speed of 750 rpm and the welding speed of 102 mm/min with the tensile strength of 71 MPa.

Keywords

friction stir welding;aluminium;steel;tensile strength;Microstructur

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  1. Study on microstructure, mechanical, and electrochemical behaviour of friction stir welded joints between aluminium and 304 stainless steel vol.6, pp.1, 2018, https://doi.org/10.1088/2053-1591/aae3c1
  2. Microstructure and Mechanical Properties of Butt Joints between Stainless Steel SUS304L and Aluminum Alloy A6061-T6 by TIG Welding vol.11, pp.7, 2018, https://doi.org/10.3390/ma11071136