Vertical Compensation Friction Stir Welding of 6061-T6 Aluminum Alloy

Vertical compensation friction stir welding (VCFSW) was proposed in order to solve the adverse effect caused by a big gap at the interface between two welded workpieces. VCFSW was successfully applied to weld 6061-T6 aluminum alloy with the thickness of 4 mm, while 2024-T4 aluminum alloy was selecte...

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Main Authors: Ji Shude, Meng Xiangchen, Xing Jingwei, Ma Lin, Gao Shuangsheng
Format: Article
Language:English
Published: De Gruyter 2016-09-01
Series:High Temperature Materials and Processes
Subjects:
Online Access:https://doi.org/10.1515/htmp-2015-0063
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author Ji Shude
Meng Xiangchen
Xing Jingwei
Ma Lin
Gao Shuangsheng
author_facet Ji Shude
Meng Xiangchen
Xing Jingwei
Ma Lin
Gao Shuangsheng
author_sort Ji Shude
collection DOAJ
description Vertical compensation friction stir welding (VCFSW) was proposed in order to solve the adverse effect caused by a big gap at the interface between two welded workpieces. VCFSW was successfully applied to weld 6061-T6 aluminum alloy with the thickness of 4 mm, while 2024-T4 aluminum alloy was selected as a rational compensation material. The results show that VCFSW is difficult to get a sound joint when the width of strip is no less than 1.5 mm. Decreasing the welding speed is beneficial to break compensation strip into pieces and then get higher quality joint. When the width of strip is 1 mm, the tensile strength and elongation of joint at the welding speed of 50 mm/min and rotational velocity of 1,800 rpm reach the maximum values of 203 MPa and 5.2%, respectively. Moreover, the addition of 2024-T4 alloy plays a strengthening effect on weld zone (WZ) of VCFSW joint. The fracture surface morphology of joint consisting of amounts of dimples exhibits ductile fracture.
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spelling doaj.art-c3a4d5b214564f44b7ffd8b647841bdc2022-12-21T18:36:26ZengDe GruyterHigh Temperature Materials and Processes0334-64552191-03242016-09-0135884385110.1515/htmp-2015-0063Vertical Compensation Friction Stir Welding of 6061-T6 Aluminum AlloyJi Shude0Meng Xiangchen1Xing Jingwei2Ma Lin3Gao Shuangsheng4Shenyang Aerospace University, No. 37 Daoyi South Avenue, Daoyi Development District, Shenyang 110136, ChinaShenyang Aerospace University, No. 37 Daoyi South Avenue, Daoyi Development District, Shenyang 110136, ChinaShenyang Aerospace University, No. 37 Daoyi South Avenue, Daoyi Development District, Shenyang 110136, ChinaShenyang Aerospace University, No. 37 Daoyi South Avenue, Daoyi Development District, Shenyang 110136, ChinaShenyang Aerospace University, No. 37 Daoyi South Avenue, Daoyi Development District, Shenyang 110136, ChinaVertical compensation friction stir welding (VCFSW) was proposed in order to solve the adverse effect caused by a big gap at the interface between two welded workpieces. VCFSW was successfully applied to weld 6061-T6 aluminum alloy with the thickness of 4 mm, while 2024-T4 aluminum alloy was selected as a rational compensation material. The results show that VCFSW is difficult to get a sound joint when the width of strip is no less than 1.5 mm. Decreasing the welding speed is beneficial to break compensation strip into pieces and then get higher quality joint. When the width of strip is 1 mm, the tensile strength and elongation of joint at the welding speed of 50 mm/min and rotational velocity of 1,800 rpm reach the maximum values of 203 MPa and 5.2%, respectively. Moreover, the addition of 2024-T4 alloy plays a strengthening effect on weld zone (WZ) of VCFSW joint. The fracture surface morphology of joint consisting of amounts of dimples exhibits ductile fracture.https://doi.org/10.1515/htmp-2015-0063vertical compensation friction stir welding6061-t6 aluminum alloygapcompensation stripmicrostructure
spellingShingle Ji Shude
Meng Xiangchen
Xing Jingwei
Ma Lin
Gao Shuangsheng
Vertical Compensation Friction Stir Welding of 6061-T6 Aluminum Alloy
High Temperature Materials and Processes
vertical compensation friction stir welding
6061-t6 aluminum alloy
gap
compensation strip
microstructure
title Vertical Compensation Friction Stir Welding of 6061-T6 Aluminum Alloy
title_full Vertical Compensation Friction Stir Welding of 6061-T6 Aluminum Alloy
title_fullStr Vertical Compensation Friction Stir Welding of 6061-T6 Aluminum Alloy
title_full_unstemmed Vertical Compensation Friction Stir Welding of 6061-T6 Aluminum Alloy
title_short Vertical Compensation Friction Stir Welding of 6061-T6 Aluminum Alloy
title_sort vertical compensation friction stir welding of 6061 t6 aluminum alloy
topic vertical compensation friction stir welding
6061-t6 aluminum alloy
gap
compensation strip
microstructure
url https://doi.org/10.1515/htmp-2015-0063
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AT mengxiangchen verticalcompensationfrictionstirweldingof6061t6aluminumalloy
AT xingjingwei verticalcompensationfrictionstirweldingof6061t6aluminumalloy
AT malin verticalcompensationfrictionstirweldingof6061t6aluminumalloy
AT gaoshuangsheng verticalcompensationfrictionstirweldingof6061t6aluminumalloy