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Metals 2019, 9(3), 315; https://doi.org/10.3390/met9030315

Review of Aluminum-To-Steel Welding Technologies for Car-Body Applications

1
DISAT, Politecnico di Torino (Turin Technical University), It-10129 Torino, Italy
2
GML, Centro Ricerche FIAT (FIAT Research Center), It-10135 Torino, Italy
*
Author to whom correspondence should be addressed.
Received: 20 December 2018 / Revised: 15 February 2019 / Accepted: 23 February 2019 / Published: 11 March 2019
(This article belongs to the Special Issue Joining of Advanced High Strength Steels for the Automotive Industry)
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Abstract

Hybrid car bodies fabricated by joining parts made with steel and aluminum alloys are becoming increasingly common. This provides an affordable mean to decrease the car weight by using lighter or more advanced materials only where they can achieve the maximum benefit. This development is driven mainly by recent regulations on carbon dioxide emissions, and hinges on the deployment of effective joining technologies. In most cases, such technologies were not previously used in the car sector, and must be adapted to its requirements. Several dissimilar welding technologies, based on either fusion welding or solid-state welding, are reviewed here, focusing on dissimilar joining among steels and wrought aluminum alloys. These technologies are either presently being introduced in the car industry, or are used in other sectors and could be applied in the car industry in the near future. View Full-Text
Keywords: hybrid welding; aluminum alloy sheets; steel sheets; car-body hybrid welding; aluminum alloy sheets; steel sheets; car-body
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Gullino, A.; Matteis, P.; D’Aiuto, F. Review of Aluminum-To-Steel Welding Technologies for Car-Body Applications. Metals 2019, 9, 315.

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