The microstructure and mechanical properties of joints of technical-grade aluminium gas welded with oxygen-hydrogen flame

The goal of this study was to investigate the weldability of aluminum by using the oxy-hydrogen welding technique. Specimen dimensions were 1.5 mm in thickness and 80 mm in length. Microstructural investigations on the cross-sectional area of the weld zone were also carried out in order to compare w...

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Bibliographic Details
Published in:Welding International 2014-10, Vol.28 (10), p.762-765
Main Authors: Ates, H., Cakir, M.E., Kurt, A., Turker, M., Uygur, I.
Format: Article
Language:English
Subjects:
Hydrogen
Mechanical properties
Microhardness
Microstructure
Tensile strength
Welding
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Summary:The goal of this study was to investigate the weldability of aluminum by using the oxy-hydrogen welding technique. Specimen dimensions were 1.5 mm in thickness and 80 mm in length. Microstructural investigations on the cross-sectional area of the weld zone were also carried out in order to compare weld metal and HAZ depending on the welding gases. Tensile strength and microhardness tests were carried out and the results were compared. Test results have shown that the yield strength of the samples welded with oxy-acetylene is higher than that of the samples welded with oxy-hydrogen.
ISSN:0950-7116
1754-2138
DOI:10.1080/09507116.2012.753226