| Autor: |
Amon, Alfred, Moore, Emily E., Henderson, Hunter B., Shittu, Jibril, Kunz, Martin, Kastamo, Shane, Huotari, Nikolai, Loukus, Adam, Ott, Ryan, Weiss, David, McCall, Scott K. |
| Zdroj: |
Materials Horizons; 2024, Vol. 11 Issue: 10 p2382-2387, 6p |
| Abstrakt: |
Cerium oxide is a low-value byproduct of rare-earth mining yet constitutes the largest fraction of the rare earth elements. The reduction of cerium oxide by liquid aluminum is proposed as an energy- and cost-efficient route to produce high-strength Al–Ce alloys. This work investigated the mechanism of a multi-step reduction reaction to facilitate the industrial adaptation of the process. Differential scanning calorimetry in combination with time-resolved synchrotron diffraction data uncovered the rate-limiting reaction step as the origin of the reported temperature dependence of reduction efficiency. This is the first in situstudy of a metallothermic reaction mechanism and will serve as guidance for cost- and energy efficient industrial process control. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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