SU1580826A1 - METHOD OF OBTAINING ALUMINUM-SCANDI LEGATURE - Google Patents

METHOD OF OBTAINING ALUMINUM-SCANDI LEGATURE

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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
Application number
SU4341648/02A
Other languages
Russian (ru)
Inventor
В.И. Москвитин
С.В. Махов
Г.Н. Сидорин
В.И. Напалков
А.А. Семенченков
Original Assignee
Московский институт стали и сплавов
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Московский институт стали и сплавов filed Critical Московский институт стали и сплавов
Priority to SU4341648/02A priority Critical patent/SU1580826A1/en
Application granted granted Critical
Publication of SU1580826A1 publication Critical patent/SU1580826A1/en

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

SU4341648/02A 1987-12-11 1987-12-11 METHOD OF OBTAINING ALUMINUM-SCANDI LEGATURE SU1580826A1 (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10988830B2 (en) 2018-01-16 2021-04-27 Scandium International Mining Corporation Scandium master alloy production

Cited By (1)

* Cited by examiner, † Cited by third party
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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