Mechanical Properties of the Micro Resistance Spot Welding of Aluminum Alloy to Stainless Steel with a Zinc Interlayer

All metals have unique advantages and disadvantages in terms of their mechanical properties. Advantages such as flexibility are needed for construction and for the manufacture of sophisticated products. Some industries have improved the mechanical properties of metals by welding dissimilar ones toge...

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Main Authors: Hakam Muzakki, Ario Sunar Baskoro, Ganjdar Kiswanto, Winarto Winarto
Format: Article
Language:English
Published: Universitas Indonesia 2018-07-01
Series:International Journal of Technology
Subjects:
Online Access:http://ijtech.eng.ui.ac.id/article/view/1867
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author Hakam Muzakki
Ario Sunar Baskoro
Ganjdar Kiswanto
Winarto Winarto
author_facet Hakam Muzakki
Ario Sunar Baskoro
Ganjdar Kiswanto
Winarto Winarto
author_sort Hakam Muzakki
collection DOAJ
description All metals have unique advantages and disadvantages in terms of their mechanical properties. Advantages such as flexibility are needed for construction and for the manufacture of sophisticated products. Some industries have improved the mechanical properties of metals by welding dissimilar ones together, such as aluminum alloy (AA) to stainless steel (SS) to reduce vehicle weights in order to improve fuel consumption. However, little research has been conducted on using micro resistance spot welding (mRSW) to join SS and Al by inserting a zinc (Zn) sheet between them as an interlayer. In this study, the mechanical properties of the weldment are tested using a shear test and Vickers micro hardness test. The results are compared using welding times of 6, 8 and 10 cycle times (CTs) and welding currents of 5 and 8 kA during the mRSW process. It is found that the SS, Zn and AA sheets could be joined with mRSW using an 8 kAA welding current and a 6 CT welding time. The micro hardness in the AA-Zn dissimilar joint increased relative to SS-Zn. Using a Zn sheet also improved displacement in the tensile shear test; however, it also increased the hardness of the diffusion zone.
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spelling doaj.art-c8e0c56eae3d4bf09fba93bd85e96ffb2023-01-02T03:02:21ZengUniversitas IndonesiaInternational Journal of Technology2086-96142087-21002018-07-019468669410.14716/ijtech.v9i4.18671867Mechanical Properties of the Micro Resistance Spot Welding of Aluminum Alloy to Stainless Steel with a Zinc InterlayerHakam Muzakki0Ario Sunar Baskoro1Ganjdar Kiswanto2Winarto Winarto3- Universitas Indonesia<br/>-Mechanical Engineering Department of Universitas IndonesiaMechanical Engineering Department of Universitas IndonesiaMetallurgy and Material Engineering Department of Universitas IndonesiaAll metals have unique advantages and disadvantages in terms of their mechanical properties. Advantages such as flexibility are needed for construction and for the manufacture of sophisticated products. Some industries have improved the mechanical properties of metals by welding dissimilar ones together, such as aluminum alloy (AA) to stainless steel (SS) to reduce vehicle weights in order to improve fuel consumption. However, little research has been conducted on using micro resistance spot welding (mRSW) to join SS and Al by inserting a zinc (Zn) sheet between them as an interlayer. In this study, the mechanical properties of the weldment are tested using a shear test and Vickers micro hardness test. The results are compared using welding times of 6, 8 and 10 cycle times (CTs) and welding currents of 5 and 8 kA during the mRSW process. It is found that the SS, Zn and AA sheets could be joined with mRSW using an 8 kAA welding current and a 6 CT welding time. The micro hardness in the AA-Zn dissimilar joint increased relative to SS-Zn. Using a Zn sheet also improved displacement in the tensile shear test; however, it also increased the hardness of the diffusion zone.http://ijtech.eng.ui.ac.id/article/view/1867Dissimilar metalsInterlayerMechanical propertiesResistance welding
spellingShingle Hakam Muzakki
Ario Sunar Baskoro
Ganjdar Kiswanto
Winarto Winarto
Mechanical Properties of the Micro Resistance Spot Welding of Aluminum Alloy to Stainless Steel with a Zinc Interlayer
International Journal of Technology
Dissimilar metals
Interlayer
Mechanical properties
Resistance welding
title Mechanical Properties of the Micro Resistance Spot Welding of Aluminum Alloy to Stainless Steel with a Zinc Interlayer
title_full Mechanical Properties of the Micro Resistance Spot Welding of Aluminum Alloy to Stainless Steel with a Zinc Interlayer
title_fullStr Mechanical Properties of the Micro Resistance Spot Welding of Aluminum Alloy to Stainless Steel with a Zinc Interlayer
title_full_unstemmed Mechanical Properties of the Micro Resistance Spot Welding of Aluminum Alloy to Stainless Steel with a Zinc Interlayer
title_short Mechanical Properties of the Micro Resistance Spot Welding of Aluminum Alloy to Stainless Steel with a Zinc Interlayer
title_sort mechanical properties of the micro resistance spot welding of aluminum alloy to stainless steel with a zinc interlayer
topic Dissimilar metals
Interlayer
Mechanical properties
Resistance welding
url http://ijtech.eng.ui.ac.id/article/view/1867
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AT ganjdarkiswanto mechanicalpropertiesofthemicroresistancespotweldingofaluminumalloytostainlesssteelwithazincinterlayer
AT winartowinarto mechanicalpropertiesofthemicroresistancespotweldingofaluminumalloytostainlesssteelwithazincinterlayer