Abstract.
The demands of electric and hybrid vehicles have required modern aluminum alloys that demonstrate high castability, high electrical and thermal conductivity, and moderate strength. The uses of transition metals Fe and Ni present potential alloy additions to meet these goals due to their low solubility in solid Al (0.05 wt.%) and the potential of their intermetallic phases to be modified. One aspect of castability was assessed by determining the die-soldering behavior of various Al-Fe-Ni alloys using pure Fe wire submerged in a liquid melt. The potential for Al alloys that takes advantage of the low Al-Fe eutectic (1.8 wt.%) has shown high castability through low hot tear susceptibility and low die soldering with high conductivity and moderate strength. These properties speak to the industrial applicability of this range of alloy compositions for use in hybrid and electric vehicles, electronic components such as heat sinks, and battery cases and housings.
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Acknowledgments
The authors would like to thank NSERC for financial support under the Discovery program. The authors also acknowledge Nemak Canada for supplying some of the master alloys and alloy ingots.
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Kotiadis, S., Elsayed, A. (2023). Castability of Al-Fe-Ni Alloys. In: Proceedings of the 61st Conference of Metallurgists, COM 2022. COM 2022. Springer, Cham. https://doi.org/10.1007/978-3-031-17425-4_51
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DOI: https://doi.org/10.1007/978-3-031-17425-4_51
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