Effect of the gap width in AZ31 magnesium alloy joints obtained by friction stir welding

Thin AZ31 magnesium alloy sheets, i.e., 2 mm thick, are welded by Friction Stir Welding (FSW) in butt joint configuration using gap width up to 1.15 mm. All welds present good surface finishing and no internal defects, except for the weld produced using the maximum gap width. A reduction of the weld...

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Autores principales:	Fernanda Rocha Chiuzuli, Bruna Fernanda Batistão, Luciano Andrei Bergmann, Nelson Guedes de Alcântara, Jorge Fernandez dos Santos, Benjamin Klusemann, Piter Gargarella
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	AZ31 Mg alloy Lightweight material Friction stir welding Butt joint configuration Gap width Mining engineering. Metallurgy TN1-997
Acceso en línea:	https://doaj.org/article/0395f57595f543ea86f9fe10ebed1b03
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spelling	oai:doaj.org-article:0395f57595f543ea86f9fe10ebed1b032021-11-18T04:49:13ZEffect of the gap width in AZ31 magnesium alloy joints obtained by friction stir welding2238-785410.1016/j.jmrt.2021.10.115https://doaj.org/article/0395f57595f543ea86f9fe10ebed1b032021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2238785421012515https://doaj.org/toc/2238-7854Thin AZ31 magnesium alloy sheets, i.e., 2 mm thick, are welded by Friction Stir Welding (FSW) in butt joint configuration using gap width up to 1.15 mm. All welds present good surface finishing and no internal defects, except for the weld produced using the maximum gap width. A reduction of the weld thickness within the Stir Zone is seen with the increase in gap width, leading to a maximum thickness reduction of 8.5%. Microstructure and Vickers hardness investigations reveal no influence of the gap width on these properties. Up to a gap width of 0.51 mm, a slight decrease in the Ultimate Tensile Strength (UTS) is observed with increasing gap width. For larger gap widths, the UTS, as well as the fracture strain, are constant. To keep the metallurgical integrity, a maximum gap width of 1 mm seems acceptable for joints of thin AZ31 magnesium alloy sheets produced by FSW.Fernanda Rocha ChiuzuliBruna Fernanda BatistãoLuciano Andrei BergmannNelson Guedes de AlcântaraJorge Fernandez dos SantosBenjamin KlusemannPiter GargarellaElsevierarticleAZ31Mg alloyLightweight materialFriction stir weldingButt joint configurationGap widthMining engineering. MetallurgyTN1-997ENJournal of Materials Research and Technology, Vol 15, Iss , Pp 5297-5306 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	AZ31 Mg alloy Lightweight material Friction stir welding Butt joint configuration Gap width Mining engineering. Metallurgy TN1-997
spellingShingle	AZ31 Mg alloy Lightweight material Friction stir welding Butt joint configuration Gap width Mining engineering. Metallurgy TN1-997 Fernanda Rocha Chiuzuli Bruna Fernanda Batistão Luciano Andrei Bergmann Nelson Guedes de Alcântara Jorge Fernandez dos Santos Benjamin Klusemann Piter Gargarella Effect of the gap width in AZ31 magnesium alloy joints obtained by friction stir welding
description	Thin AZ31 magnesium alloy sheets, i.e., 2 mm thick, are welded by Friction Stir Welding (FSW) in butt joint configuration using gap width up to 1.15 mm. All welds present good surface finishing and no internal defects, except for the weld produced using the maximum gap width. A reduction of the weld thickness within the Stir Zone is seen with the increase in gap width, leading to a maximum thickness reduction of 8.5%. Microstructure and Vickers hardness investigations reveal no influence of the gap width on these properties. Up to a gap width of 0.51 mm, a slight decrease in the Ultimate Tensile Strength (UTS) is observed with increasing gap width. For larger gap widths, the UTS, as well as the fracture strain, are constant. To keep the metallurgical integrity, a maximum gap width of 1 mm seems acceptable for joints of thin AZ31 magnesium alloy sheets produced by FSW.
format	article
author	Fernanda Rocha Chiuzuli Bruna Fernanda Batistão Luciano Andrei Bergmann Nelson Guedes de Alcântara Jorge Fernandez dos Santos Benjamin Klusemann Piter Gargarella
author_facet	Fernanda Rocha Chiuzuli Bruna Fernanda Batistão Luciano Andrei Bergmann Nelson Guedes de Alcântara Jorge Fernandez dos Santos Benjamin Klusemann Piter Gargarella
author_sort	Fernanda Rocha Chiuzuli
title	Effect of the gap width in AZ31 magnesium alloy joints obtained by friction stir welding
title_short	Effect of the gap width in AZ31 magnesium alloy joints obtained by friction stir welding
title_full	Effect of the gap width in AZ31 magnesium alloy joints obtained by friction stir welding
title_fullStr	Effect of the gap width in AZ31 magnesium alloy joints obtained by friction stir welding
title_full_unstemmed	Effect of the gap width in AZ31 magnesium alloy joints obtained by friction stir welding
title_sort	effect of the gap width in az31 magnesium alloy joints obtained by friction stir welding
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/0395f57595f543ea86f9fe10ebed1b03
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Effect of the gap width in AZ31 magnesium alloy joints obtained by friction stir welding

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