Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Review on Multi-Pass Friction Stir Processing of Aluminium Alloys

Version 1 : Received: 22 July 2020 / Approved: 22 July 2020 / Online: 22 July 2020 (11:01:00 CEST)

How to cite: Muribwathoho, O.; Mabuwa, S.; Msomi, V. Review on Multi-Pass Friction Stir Processing of Aluminium Alloys. Preprints 2020, 2020070514 (doi: 10.20944/preprints202007.0514.v1). Muribwathoho, O.; Mabuwa, S.; Msomi, V. Review on Multi-Pass Friction Stir Processing of Aluminium Alloys. Preprints 2020, 2020070514 (doi: 10.20944/preprints202007.0514.v1).

Abstract

Aluminium alloys have evolved as suitable materials for automotive and aircraft industries due to their reduced weight, excellent fatigue properties, high-strength to weight ratio, high workability/formability, and corrosion resistance. Recently, the joining of similar and dissimilar metals have achieved huge success in various sectors. The processing of soft metals like aluminium, copper, iron and nickel have been fabricated using friction stir processing. Friction stir processing (FSP) is a microstructural modifying technique that uses the same principles as the friction stir welding technique. In the majority of studies on FSP, the effect of process parameters on the microstructure was characterized after a single pass. However, multiple passes of FSP is another method to further modify the microstructure in aluminium castings. This study is aimed at reviewing the impact of multi-pass friction stir processed joints of aluminium alloys and to identify a knowledge gap. From the literature that is available on multi-pass FSP, it has been observed that the majority of the literature focused on the processing of plates than the joints. There is limited literature reporting on multi-pass friction stir processed joints. This then creates a need to study further on multi-pass friction stir processing on dissimilar aluminium alloys.

Subject Areas

tensile strength; ductility; microstructure

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