A2 Refereed review article in a scientific journal
Recent Developments in Laser Welding of Aluminum Alloys to Steel
Authors: Wallerstein Daniel, Salminen Antti, Lusquiños Fernando, Comesaña Rafael, Val García Jesús del, Rodríguez Antonio Riveiro, Badaoui Aida, Pou Juan
Publisher: MDPI
Publication year: 2021
Journal: Metals
Journal name in source: METALS
Journal acronym: METALS-BASEL
Article number: ARTN 622
Volume: 11
Issue: 4
Number of pages: 32
DOI: https://doi.org/10.3390/met11040622
Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/59733557
The development of high-performance dissimilar aluminum-steel joints is necessary to promote the feasibility of multi-material design and lightweight manufacturing. However, joining aluminum to steel is a challenging task mainly due to the formation of brittle intermetallic compounds (IMC) at the joint interface. Laser welding is considered a very promising joining process for dissimilar materials, although its application in industry is still limited by the insufficient mechanical performance of the joints. The present paper aims to give a comprehensive review of relevant recent research work on laser joining of aluminum to steel, contributing to highlighting the latest achievements that could boost acceptance of laser joining of dissimilar materials by the modern industries. To this end, the most important challenges in laser joining of aluminum to steel are presented, followed by recent approaches to overcome these challenges, the state-of-art of comprehension of IMC formation and growth, and the different strategies to minimize them.
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