Relationship between mechanical behavior and process factors in friction stir welding aluminum alloys

Author:

DELLAL Nabila1,MERZOUG Mohammed2,MIMMI Abdelatif1,BENAMARA Nabil1

Affiliation:

1. Laboratory of Materials and Reactive Systems (LMSR), Mechanical Engineering Department, Djillali Liabes University, City Larbi Ben Mhidi, P.O. Box 89, 22000 Sidi Bel Abbes, Algeria

2. Laboratory of Materials and Reactive Systems (LMSR), Mechanical Engineering Department, Djillali Liabes University, City Larbi Ben Mhidi, P.O. Box 89, 22000 Sidi Bel Abbes, Algeria, m_merzoug01@yahoo.fr

Abstract

The friction stir welding (FSW) procedure is the main topic of this research study among the various welding techniques. The study focuses on the interaction between the mechanical properties of 3003 aluminum alloy and the process parameters (rotation speed, welding speed, and dwell time) in the form of rolled plates of 2 mm thickness, end-to-end and welded at 90° and 45°. The welds were made by varying the speed of rotation (1000, 2000 rpm) and setting the tool feed at 500 mm/min. This experimental approach is also based on varying the tilt of the welding tool from 0° to 2°. It has been shown that the studied parameters play an important role in the characterization and optimization of the above mentioned weld joints. Therefore, and based on the results obtained, the use of the 90° joint remains the best in terms of strength.

Publisher

INCAS - National Institute for Aerospace Research Elie Carafoli

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