Effect of the Technological Parameters of the Aluminothermic Reduction of Erbium Oxide in Chloride–Fluoride Melts on the Transition of Erbium to a Master Alloy
- Авторлар: Kosov Y.1, Bazhin V.2, Kopylova T.2
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Мекемелер:
- NITs Kurchatovskii Institut—Central Research Institute of Structural Materials
- St. Petersburg Mining University
- Шығарылым: Том 2019, № 9 (2019)
- Беттер: 856-862
- Бөлім: Article
- URL: https://journals.rcsi.science/0036-0295/article/view/173462
- DOI: https://doi.org/10.1134/S0036029519090040
- ID: 173462
Дәйексөз келтіру
Аннотация
The methods used for the preparation of an Al–Er master alloy as a promising addition to aluminum alloys for enhancing their physical and mechanical characteristics are analytically reviewed. Thermodynamic analysis of the processes that occur during master alloy fabrication in chloride–fluoride melts containing erbium oxide is carried out. Since the data on erbium complexes are lacking or restricted, the thermodynamic values are determined by indirect methods. The study of the phase composition of the chloride–fluoride melts shows that the melting of a salt mixture results in the fluorination of erbium oxide and the formation of the KEr3F10 complex, which is a precursor for erbium reduction and intermetallic compound Al3Er formation. The effect of the flux composition and the technological parameters of aluminothermic reduction on the transition of erbium to the master alloy is studied.
Негізгі сөздер
Авторлар туралы
Ya. Kosov
NITs Kurchatovskii Institut—Central Research Institute of Structural Materials
Email: bazhin-alfoil@gmail.com
Ресей, Prometei, St. Petersburg, 193167
V. Bazhin
St. Petersburg Mining University
Хат алмасуға жауапты Автор.
Email: bazhin-alfoil@gmail.com
Ресей, St. Petersburg, 199026
T. Kopylova
St. Petersburg Mining University
Email: bazhin-alfoil@gmail.com
Ресей, St. Petersburg, 199026
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