Current Efficiency for Direct Production of an Aluminium–Titanium Alloy by Electrolysis in a Laboratory Cell

Omar Awayssa; Rauan Meirbekova; Gudrun Saevarsdottir; Gudjon Atli Audunsson; Geir Martin Haarberg

doi:10.1007/978-3-030-36408-3_63

Current Efficiency for Direct Production of an Aluminium–Titanium Alloy by Electrolysis in a Laboratory Cell

Omar Awayssa, Rauan Meirbekova, Gudrun Saevarsdottir, Gudjon Atli Audunsson, Geir Martin Haarberg

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

The electrochemical production of an aluminium-titanium alloy in situ during aluminium reduction in fluoride-based melts was investigated. Experiments were carried out in a laboratory cell at 0.9 A/cm² and temperatures 960 and 970 °C. TiO₂ was added as a raw material along with alumina. Bath samples were collected regularly and analyzed with ICP-MS to estimate the co-deposition rate of titanium during the experiment. Apparent current efficiencies were recorded, and analysis of deposit was carried out by ICP-MS to complete the material balance and calculate the real current efficiencies. The content of titanium was varied up to 1 wt% and alumina concentration in the bath was below saturation.

Original language	English
Title of host publication	Light Metals 2020
Editors	Alan Tomsett
Publisher	Springer Science and Business Media Deutschland GmbH
Pages	445-451
Number of pages	7
ISBN (Print)	9783030364076
DOIs	https://doi.org/10.1007/978-3-030-36408-3_63
Publication status	Published - 2020
Externally published	Yes
Event	Light Metals Symposium held at the 149th Annual Meeting and Exhibition, TMS 2020 - San Diego, United States Duration: Feb 23 2020 → Feb 27 2020

Publication series

Name	Minerals, Metals and Materials Series
ISSN (Print)	2367-1181
ISSN (Electronic)	2367-1696

Conference

Conference	Light Metals Symposium held at the 149th Annual Meeting and Exhibition, TMS 2020
Country/Territory	United States
City	San Diego
Period	2/23/20 → 2/27/20

Keywords

Aluminium electrodeposition
Aluminium-titanium alloys
Current efficiency

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Energy Engineering and Power Technology
Mechanics of Materials
Metals and Alloys
Materials Chemistry

Access to Document

10.1007/978-3-030-36408-3_63

Cite this

Awayssa, O., Meirbekova, R., Saevarsdottir, G., Audunsson, G. A., & Haarberg, G. M. (2020). Current Efficiency for Direct Production of an Aluminium–Titanium Alloy by Electrolysis in a Laboratory Cell. In A. Tomsett (Ed.), Light Metals 2020 (pp. 445-451). (Minerals, Metals and Materials Series). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-030-36408-3_63

Current Efficiency for Direct Production of an Aluminium–Titanium Alloy by Electrolysis in a Laboratory Cell. / Awayssa, Omar; Meirbekova, Rauan; Saevarsdottir, Gudrun et al.
Light Metals 2020. ed. / Alan Tomsett. Springer Science and Business Media Deutschland GmbH, 2020. p. 445-451 (Minerals, Metals and Materials Series).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Awayssa, O, Meirbekova, R, Saevarsdottir, G, Audunsson, GA & Haarberg, GM 2020, Current Efficiency for Direct Production of an Aluminium–Titanium Alloy by Electrolysis in a Laboratory Cell. in A Tomsett (ed.), Light Metals 2020. Minerals, Metals and Materials Series, Springer Science and Business Media Deutschland GmbH, pp. 445-451, Light Metals Symposium held at the 149th Annual Meeting and Exhibition, TMS 2020, San Diego, United States, 2/23/20. https://doi.org/10.1007/978-3-030-36408-3_63

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abstract = "The electrochemical production of an aluminium-titanium alloy in situ during aluminium reduction in fluoride-based melts was investigated. Experiments were carried out in a laboratory cell at 0.9 A/cm2 and temperatures 960 and 970 °C. TiO2 was added as a raw material along with alumina. Bath samples were collected regularly and analyzed with ICP-MS to estimate the co-deposition rate of titanium during the experiment. Apparent current efficiencies were recorded, and analysis of deposit was carried out by ICP-MS to complete the material balance and calculate the real current efficiencies. The content of titanium was varied up to 1 wt% and alumina concentration in the bath was below saturation.",

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N2 - The electrochemical production of an aluminium-titanium alloy in situ during aluminium reduction in fluoride-based melts was investigated. Experiments were carried out in a laboratory cell at 0.9 A/cm2 and temperatures 960 and 970 °C. TiO2 was added as a raw material along with alumina. Bath samples were collected regularly and analyzed with ICP-MS to estimate the co-deposition rate of titanium during the experiment. Apparent current efficiencies were recorded, and analysis of deposit was carried out by ICP-MS to complete the material balance and calculate the real current efficiencies. The content of titanium was varied up to 1 wt% and alumina concentration in the bath was below saturation.

AB - The electrochemical production of an aluminium-titanium alloy in situ during aluminium reduction in fluoride-based melts was investigated. Experiments were carried out in a laboratory cell at 0.9 A/cm2 and temperatures 960 and 970 °C. TiO2 was added as a raw material along with alumina. Bath samples were collected regularly and analyzed with ICP-MS to estimate the co-deposition rate of titanium during the experiment. Apparent current efficiencies were recorded, and analysis of deposit was carried out by ICP-MS to complete the material balance and calculate the real current efficiencies. The content of titanium was varied up to 1 wt% and alumina concentration in the bath was below saturation.

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Current Efficiency for Direct Production of an Aluminium–Titanium Alloy by Electrolysis in a Laboratory Cell

Abstract

Publication series

Conference

Keywords

ASJC Scopus subject areas

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