SU1580826A1 - METHOD OF OBTAINING ALUMINUM-SCANDI LEGATURE - Google Patents
METHOD OF OBTAINING ALUMINUM-SCANDI LEGATUREInfo
- Publication number
- SU1580826A1 SU1580826A1 SU4341648/02A SU4341648A SU1580826A1 SU 1580826 A1 SU1580826 A1 SU 1580826A1 SU 4341648/02 A SU4341648/02 A SU 4341648/02A SU 4341648 A SU4341648 A SU 4341648A SU 1580826 A1 SU1580826 A1 SU 1580826A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- sodium
- chloride
- fluoride
- potassium
- scandium
- Prior art date
Links
Abstract
1. Способ получения лигатуры алюминий-скандий путем алюминотермического восстановления фторида скандия, отличающийся тем, что, с целью упрощения технологии и сокращения энергозатрат, восстановление проводят в присутствии хлоридов калия и натрия под слоем хлоридного покровного флюса при 840 - 850C с последующей выдержкой в течение 15 - 30 мин при 790 - 780C.2. Способ по п. 1, отличающийся тем, что восстановление проводят из смеси, содержащей фторид скандия, хлорид калия и фторид натрия при следующем соотношении ингредиентов, мас.%:Фторид скандия - 10 - 23Хлорид калия - 49 - 76Фторид натрия - 13 - 283. Способ по п.2, отличающийся тем, что в качестве хлоридного покровного флюса используют флюс, содержащий хлориды калия и натрия при следующем соотношении ингредиентов, мас.%:Хлорид калия - 42 - 45Хлорид натрия - Остальное1. The method of obtaining ligatures of scandium by aluminothermic reduction of scandium fluoride, characterized in that, in order to simplify the technology and reduce energy costs, the reduction is carried out in the presence of potassium and sodium chlorides under a layer of chloride coating flux at 840 - 850C, followed by aging - 30 min at 790 - 780C.2. A method according to claim 1, characterized in that the reduction is carried out from a mixture containing scandium fluoride, potassium chloride and sodium fluoride in the following ratio of ingredients, wt.%: Scandium fluoride - 10 - 23 Potassium chloride - 49 - 76 Sodium fluoride - 13 - 283. The method according to claim 2, characterized in that a flux containing potassium and sodium chlorides is used as a chloride coating flux in the following ratio of ingredients, wt.%: Potassium chloride - 42 - 45 Sodium chloride - Remaining
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4341648/02A SU1580826A1 (en) | 1987-12-11 | 1987-12-11 | METHOD OF OBTAINING ALUMINUM-SCANDI LEGATURE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4341648/02A SU1580826A1 (en) | 1987-12-11 | 1987-12-11 | METHOD OF OBTAINING ALUMINUM-SCANDI LEGATURE |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1580826A1 true SU1580826A1 (en) | 1999-06-10 |
Family
ID=60527636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU4341648/02A SU1580826A1 (en) | 1987-12-11 | 1987-12-11 | METHOD OF OBTAINING ALUMINUM-SCANDI LEGATURE |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1580826A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10988830B2 (en) | 2018-01-16 | 2021-04-27 | Scandium International Mining Corporation | Scandium master alloy production |
-
1987
- 1987-12-11 SU SU4341648/02A patent/SU1580826A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10988830B2 (en) | 2018-01-16 | 2021-04-27 | Scandium International Mining Corporation | Scandium master alloy production |
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