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Internal flow behaviour and microstructural evolution of the bobbin-FSW welds: thermomechanical comparison between 1xxx and 3xxx aluminium grades

The influences of processing parameters and tool feature on the microstructure of AA1100 and AA3003 aluminium alloys were investigated using bobbin friction stir welding (BFSW). The research includes flow visualization and microstructural evolution of the weld texture using the metallographic measur...

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Main Authors: Abbas Tamadon, Pons, Dirk John, Don Clucas, Sued, Mohammad Kamil
Format: Article
Language:English
Published: Walter de Gruyter GmbH 2021
Online Access:http://eprints.utem.edu.my/id/eprint/25820/2/INTERNAL%20FLOW-COMPRESSED.PDF
http://eprints.utem.edu.my/id/eprint/25820/
https://sciendo.com/article/10.2478/adms-2021-0010
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spelling my.utem.eprints.258202023-08-08T16:33:16Z http://eprints.utem.edu.my/id/eprint/25820/ Internal flow behaviour and microstructural evolution of the bobbin-FSW welds: thermomechanical comparison between 1xxx and 3xxx aluminium grades Abbas Tamadon Pons, Dirk John Don Clucas Sued, Mohammad Kamil The influences of processing parameters and tool feature on the microstructure of AA1100 and AA3003 aluminium alloys were investigated using bobbin friction stir welding (BFSW). The research includes flow visualization and microstructural evolution of the weld texture using the metallographic measurement method. Results indicated that the operational parameters of the welding (e.g. feed rate, rotating speed) and the geometry of the tool can directly affect the flow patterns of the weld structure. The microscopic details revealed by the optical and electron microscope imply the dynamic recrystallization including grain refinement and precipitation mechanisms within the stirring zone of the weld region. The microscopic observations for the weld samples show a better performance of the fully-featured tool (tri-flat threaded pin and scrolled shoulders) compared to the simple tool without inscribed surface features. The fully-featured tool resulted in a more uniform thermomechanical plastic deformation within the weld structure along with the precipitation hardening and the homogeneity of the microstructure. Walter de Gruyter GmbH 2021-06 Article PeerReviewed text en http://eprints.utem.edu.my/id/eprint/25820/2/INTERNAL%20FLOW-COMPRESSED.PDF Abbas Tamadon and Pons, Dirk John and Don Clucas and Sued, Mohammad Kamil (2021) Internal flow behaviour and microstructural evolution of the bobbin-FSW welds: thermomechanical comparison between 1xxx and 3xxx aluminium grades. Advances In Materials Science, 21 (2(68)). pp. 40-64. ISSN 2083-4799 https://sciendo.com/article/10.2478/adms-2021-0010 10.2478/adms-2021-0010
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
description The influences of processing parameters and tool feature on the microstructure of AA1100 and AA3003 aluminium alloys were investigated using bobbin friction stir welding (BFSW). The research includes flow visualization and microstructural evolution of the weld texture using the metallographic measurement method. Results indicated that the operational parameters of the welding (e.g. feed rate, rotating speed) and the geometry of the tool can directly affect the flow patterns of the weld structure. The microscopic details revealed by the optical and electron microscope imply the dynamic recrystallization including grain refinement and precipitation mechanisms within the stirring zone of the weld region. The microscopic observations for the weld samples show a better performance of the fully-featured tool (tri-flat threaded pin and scrolled shoulders) compared to the simple tool without inscribed surface features. The fully-featured tool resulted in a more uniform thermomechanical plastic deformation within the weld structure along with the precipitation hardening and the homogeneity of the microstructure.
format Article
author Abbas Tamadon
Pons, Dirk John
Don Clucas
Sued, Mohammad Kamil
spellingShingle Abbas Tamadon
Pons, Dirk John
Don Clucas
Sued, Mohammad Kamil
Internal flow behaviour and microstructural evolution of the bobbin-FSW welds: thermomechanical comparison between 1xxx and 3xxx aluminium grades
author_facet Abbas Tamadon
Pons, Dirk John
Don Clucas
Sued, Mohammad Kamil
author_sort Abbas Tamadon
title Internal flow behaviour and microstructural evolution of the bobbin-FSW welds: thermomechanical comparison between 1xxx and 3xxx aluminium grades
title_short Internal flow behaviour and microstructural evolution of the bobbin-FSW welds: thermomechanical comparison between 1xxx and 3xxx aluminium grades
title_full Internal flow behaviour and microstructural evolution of the bobbin-FSW welds: thermomechanical comparison between 1xxx and 3xxx aluminium grades
title_fullStr Internal flow behaviour and microstructural evolution of the bobbin-FSW welds: thermomechanical comparison between 1xxx and 3xxx aluminium grades
title_full_unstemmed Internal flow behaviour and microstructural evolution of the bobbin-FSW welds: thermomechanical comparison between 1xxx and 3xxx aluminium grades
title_sort internal flow behaviour and microstructural evolution of the bobbin-fsw welds: thermomechanical comparison between 1xxx and 3xxx aluminium grades
publisher Walter de Gruyter GmbH
publishDate 2021
url http://eprints.utem.edu.my/id/eprint/25820/2/INTERNAL%20FLOW-COMPRESSED.PDF
http://eprints.utem.edu.my/id/eprint/25820/
https://sciendo.com/article/10.2478/adms-2021-0010
_version_ 1775626891426791424
score 13.211869

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