Experimental Study the Effect of Tool Design on the Mechanical Properties of Bobbin Friction Stir Welded 6061-T6 Aluminum Alloy

Bobbin friction stir welding (BFSW) is a variant of the conventional friction stir welding (CFSW); it can weld the upper and lower surface of the work-piece in the same pass. This technique involves the bonding of materials without melting. In this work, the influence of tool design on the mechanic...

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Autores principales: Samir Ali Amin, Mohannad Yousif Hanna, Alhamza Farooq Mohamed
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Publicado: Al-Khwarizmi College of Engineering – University of Baghdad 2018
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Acceso en línea:https://doaj.org/article/12ca847245364b84920cdea95f508359
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spelling oai:doaj.org-article:12ca847245364b84920cdea95f5083592021-12-02T10:53:32ZExperimental Study the Effect of Tool Design on the Mechanical Properties of Bobbin Friction Stir Welded 6061-T6 Aluminum Alloy10.22153/kej.2018.01.0031818-11712312-0789https://doaj.org/article/12ca847245364b84920cdea95f5083592018-08-01T00:00:00Zhttp://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/85https://doaj.org/toc/1818-1171https://doaj.org/toc/2312-0789 Bobbin friction stir welding (BFSW) is a variant of the conventional friction stir welding (CFSW); it can weld the upper and lower surface of the work-piece in the same pass. This technique involves the bonding of materials without melting. In this work, the influence of tool design on the mechanical properties of welding joints of 6061-T6 aluminum alloy with 6.25 mm thickness produced by FSW bobbin tools was investigated and the best bobbin tool design was determined. Five different probe shapes (threaded straight cylindrical, straight cylindrical with 3 flat surfaces, straight cylindrical with 4 flat surfaces, threaded straight cylindrical with 3 flat surface and threaded straight cylindrical with 4 flat surfaces) with various dimensions of the tool (shoulders and pin) were used to create the welding joints. The direction of the welding process was perpendicular to the rolling direction for aluminum plates. Tensile and bending tests were performed to select the right design of the bobbin tools, which gave superior mechanical properties of the welded zone.  The tool of straight cylindrical with four flats, 8 mm probe and 24 mm shoulders diameter gave better tensile strength (193 MPa), elongation (6.1%), bending force (5.7 KN), and welding efficiency (65.4%) according to tensile strength.      Samir Ali AminMohannad Yousif HannaAlhamza Farooq MohamedAl-Khwarizmi College of Engineering – University of BaghdadarticleBobbin FSW, Bobbin tool design, AA6061-T6, Mechanical properties.Chemical engineeringTP155-156Engineering (General). Civil engineering (General)TA1-2040ENAl-Khawarizmi Engineering Journal, Vol 14, Iss 3 (2018)
institution DOAJ
collection DOAJ
language EN
topic Bobbin FSW, Bobbin tool design, AA6061-T6, Mechanical properties.
Chemical engineering
TP155-156
Engineering (General). Civil engineering (General)
TA1-2040
spellingShingle Bobbin FSW, Bobbin tool design, AA6061-T6, Mechanical properties.
Chemical engineering
TP155-156
Engineering (General). Civil engineering (General)
TA1-2040
Samir Ali Amin
Mohannad Yousif Hanna
Alhamza Farooq Mohamed
Experimental Study the Effect of Tool Design on the Mechanical Properties of Bobbin Friction Stir Welded 6061-T6 Aluminum Alloy
description Bobbin friction stir welding (BFSW) is a variant of the conventional friction stir welding (CFSW); it can weld the upper and lower surface of the work-piece in the same pass. This technique involves the bonding of materials without melting. In this work, the influence of tool design on the mechanical properties of welding joints of 6061-T6 aluminum alloy with 6.25 mm thickness produced by FSW bobbin tools was investigated and the best bobbin tool design was determined. Five different probe shapes (threaded straight cylindrical, straight cylindrical with 3 flat surfaces, straight cylindrical with 4 flat surfaces, threaded straight cylindrical with 3 flat surface and threaded straight cylindrical with 4 flat surfaces) with various dimensions of the tool (shoulders and pin) were used to create the welding joints. The direction of the welding process was perpendicular to the rolling direction for aluminum plates. Tensile and bending tests were performed to select the right design of the bobbin tools, which gave superior mechanical properties of the welded zone.  The tool of straight cylindrical with four flats, 8 mm probe and 24 mm shoulders diameter gave better tensile strength (193 MPa), elongation (6.1%), bending force (5.7 KN), and welding efficiency (65.4%) according to tensile strength.     
format article
author Samir Ali Amin
Mohannad Yousif Hanna
Alhamza Farooq Mohamed
author_facet Samir Ali Amin
Mohannad Yousif Hanna
Alhamza Farooq Mohamed
author_sort Samir Ali Amin
title Experimental Study the Effect of Tool Design on the Mechanical Properties of Bobbin Friction Stir Welded 6061-T6 Aluminum Alloy
title_short Experimental Study the Effect of Tool Design on the Mechanical Properties of Bobbin Friction Stir Welded 6061-T6 Aluminum Alloy
title_full Experimental Study the Effect of Tool Design on the Mechanical Properties of Bobbin Friction Stir Welded 6061-T6 Aluminum Alloy
title_fullStr Experimental Study the Effect of Tool Design on the Mechanical Properties of Bobbin Friction Stir Welded 6061-T6 Aluminum Alloy
title_full_unstemmed Experimental Study the Effect of Tool Design on the Mechanical Properties of Bobbin Friction Stir Welded 6061-T6 Aluminum Alloy
title_sort experimental study the effect of tool design on the mechanical properties of bobbin friction stir welded 6061-t6 aluminum alloy
publisher Al-Khwarizmi College of Engineering – University of Baghdad
publishDate 2018
url https://doaj.org/article/12ca847245364b84920cdea95f508359
work_keys_str_mv AT samiraliamin experimentalstudytheeffectoftooldesignonthemechanicalpropertiesofbobbinfrictionstirwelded6061t6aluminumalloy
AT mohannadyousifhanna experimentalstudytheeffectoftooldesignonthemechanicalpropertiesofbobbinfrictionstirwelded6061t6aluminumalloy
AT alhamzafarooqmohamed experimentalstudytheeffectoftooldesignonthemechanicalpropertiesofbobbinfrictionstirwelded6061t6aluminumalloy
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