The correlation of microstructure - Surface roughness effect on friction stir welding lap joint using AA6061 aluminium alloy

Naharanuar, Indah Siti Shoufea (2022) The correlation of microstructure - Surface roughness effect on friction stir welding lap joint using AA6061 aluminium alloy. Project Report. Melaka, Malaysia, Universiti Teknikal Malaysia Melaka. (Submitted)

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Abstract

Friction Stir Welding (FSW) is advance method in joining two parts by heat that been produced from friction between the stir head and the base metal. Generally, FSW rarely used in industry because of this is new technology and a lot of limitation into apply this technology in industries. Because of that, this study has been conducted to find solution for the limitation to gain new knowledge about FSW. Purpose of this study is to find out The Correlation of Microstructure versus Surface Roughness Effects on Friction Stir Welding for Lap Joint Using Aluminum Alloy 6061. Studies will be conducted in three phases which is it start with journal review, design the tool, followed by fabricate the tool. Second phase, run the friction stir welding using conventional milling machine with 9 differences parameter and surface roughness testing. Last but not list, phase three consist of cutting the part to get specimen that will be used for microstructure testing. At the end of this studies, should be able to determine the microstructure of the specimen either in Dry Friction Stir Welding or Underwater Friction Stir Welding.

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