Structure and Mechanical Properties of Double Side Friction Stir Welded Aluminium AA6061 with the Addition of Cu Powder

Abstract:

The research objective is to investigate the formation of new compounds and the mechanical properties of Double Side Friction Stir Welding (DS-FSW) welding with Cu particle reinforcement. Aluminum alloys of AA6061 and 12 μm Cu powder were chosen as the main materials. The addition of Cu particles is conducted in single groove and double groove. The DS-FSW process uses CNC milling with a feed rate of 80 mm/minute and 1000 rpm of tool rotation. Observation of the microstructure was carried out by using optical metallography, and X-ray diffraction. Microhardness testing was done to determine the mechanical properties of the material. The results showed that the increase in the hardness value of 23.39% occurred in the double groove material. MMCs detected were Al₂Cu, and AlCu₂Mn.

• Periodical: Materials Science Forum (Volume 1051)
• Pages: 111-118
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.1051.111
• Online since: January 2022
• Authors: Agus Dwi Anggono*, Nur Kholis, Ngafwan Ngafwan
• Keywords: Friction Stir Welding, Metal Matrix Composites, Mikrohardness

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