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Impacts of Mineralogy on Soluble Phosphorus Concentrations During Low Temperature Processing of Jamaican Bauxites Read chapter Read first chapter

2020 | OriginalPaper | Chapter

Study on the Anti-EMF of Al-Er Master Alloy Prepared by Er2O3 as Erbium Source

Authors : Hongguang Kang, Jidong Li, Chaogang Zhang, Qian Wang, Yiyong Wang, Zhe Ning, Jilin Lu, Jing Li

Published in: Light Metals 2020

Publisher: Springer International Publishing

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Abstract

Al-Er master alloy is an excellent refining agent, which can improve the recrystallization temperature of Al alloy. At 750 °C, Al-Er alloy is prepared by electrodeposition in molten KF (25 wt%)-LiF (20 wt%)-ErF3 (10 wt%)-KCl (45 wt%) system with Er2O3 as the source of Er, the sinking Al liquid as cathode, and the anti-EMF is studied. The results show that under the condition of 16 A/dm2, the anti-EMF increases first and then stabilizes with the increase of electrolysis time. After adding Er2O3 (2 wt%), the anti-EMF drops by 0.19 V on average, and the feeding period measured is 6 min. Finally, when 750 °C, the electrolysis time is 24 min, and the current density is 12 A/dm2, the Er concentration in alloys reached the maximum of 3.65%, and the current efficiency reached 74.64%. By XRD and SEM characterization, alloy components are mainly Al3Er, and few of Al12Er. The phase of Al-Er alloy distribution is more uniform.

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Metadata
Title
Study on the Anti-EMF of Al-Er Master Alloy Prepared by Er2O3 as Erbium Source
Authors
Hongguang Kang
Jidong Li
Chaogang Zhang
Qian Wang
Yiyong Wang
Zhe Ning
Jilin Lu
Jing Li
Copyright Year
2020
Book
Light Metals 2020

Print ISBN: 978-3-030-36407-6

Electronic ISBN: 978-3-030-36408-3

Copyright Year: 2020

DOI
https://doi.org/10.1007/978-3-030-36408-3_68

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