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Paper Titles
Preface
Process Parameter Optimization of Aerospace-Grade Dissimilar Aluminium Alloy 7075 and 2014 by Friction Stir Welding
p.3
Correlation between Microstructure and Bending of FSW and TIG Welded Mg-Rich Aluminium Alloy Joints
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Hardness and Microstructure Analysis of Rotary Friction Welded Dissimilar Joint of Cu and Ti-6Al-4V
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Experimental Investigation of Friction Stir Welding on Al 2024-T3 and Al 7075-T6 Alloy
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Tangential Adhesive Strength of the Masonry with PET-Fibres Modified Mortar
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Experimental Analysis of High-Strength Concrete Using Granite Aggregates
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Experimental Investigation on Strength Characteristics of Concrete by Partial Replacement of Cement with Sodium Silicate
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Correlation between Microstructure and Bending of FSW and TIG Welded Mg-Rich Aluminium Alloy Joints

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Abstract:

This paper reports on the mechanical properties in relation to the microstructure of the Mg-rich aluminium alloy joints fabricated through friction stir welding (FSW) and tungsten inert gas (TIG) welding techniques. The microstructure, tensile, and bending tests were conducted on friction stir, and TIG welded joints. Most coarse grains (27.81mm) dominated the joint produced using the TIG welding technique, while the refined grains (11.26 mm) mostly dominated the joint made through the FSW technique. The ultimate tensile strength (UTS) of the joint fabricated using the FSW technique was higher (379 MPa) compared to the TIG-welded joint (260 MPa). However, the inverse behaviour was observed when looking at the tensile elongation of the very same joints. The bending results correlated with UTS results, and this phenomenon was attributed to the microstructural grain size.

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Periodical:

Key Engineering Materials (Volume 961)

Pages:

15-21

DOI:

https://doi.org/10.4028/p-be0GDh

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Online since:

October 2023

Authors:

Velaphi Msomi*, Sipokazi Mabuwa

Keywords:

Aluminium Alloy, Bending, Friction Stir Welding Tungsten Inert Gas Welding, Microstructure

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© 2023 Trans Tech Publications Ltd. All Rights Reserved

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