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Electrodeposition of aluminium-titanium alloys from molten fluoride-oxide electrolytes
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| Titill: | Electrodeposition of aluminium-titanium alloys from molten fluoride-oxide electrolytes |
| Höfundur: |
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| Útgáfa: | 2021-02 |
| Tungumál: | Enska |
| Umfang: | 106919 |
| Háskóli/Stofnun: | Háskólinn í Reykjavík Reykjavik University |
| Svið: | Tæknisvið (HR) School of Technology (RU) |
| Deild: | Verkfræðideild (HR) Department of Engineering (RU) |
| Birtist í: | Electrochemistry Communications;123 |
| ISSN: | 1388-2481 |
| DOI: | 10.1016/j.elecom.2021.106919 |
| Efnisorð: | Electrochemistry; Aluminium; Titanium; Electrodeposition; Efficiency; Alloy; Eðlisefnafræði; Títan; Aluminum; Málmblendi; Rafskaut; Skilvirkni |
| URI: | https://hdl.handle.net/20.500.11815/2627 |
Útdráttur:This study reports the direct production of an aluminium-titanium alloy during aluminium electrolysis in fluoride-based melts. Experiments were conducted in a laboratory cell dedicated to current efficiency mea-surements. The temperature was varied from 960 to 980 ◦C at a cathodic current density (CCD) of 0.9 A/cm2 and a cryolite ratio (CR) of 2.2. The titanium content was up to 1.0 wt%. Titanium was added in the form of a TiO2 precursor. Bath samples were collected regularly and analyzed with ICP-MS to observe the decay of titanium during electrolysis. The current efficiency for electrodeposition of Al–Ti alloys was estimated to be at least around 90%. The surface of the solidified metal deposits was mostly flat, but some deposits were partially deformed.
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Athugasemdir:Publisher's version (útgefin grein)
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Leyfi:This work is licensed under a Creative Commons Attribution 4.0 International License.
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