FIELD: metallurgy of rare metals. SUBSTANCE: process is performed by separate melting of scandium and calcium fluoride taken at excess 30-75 wt. -% above stoichiometry, their fusion and crystallization of reaction products at the rate 80-350 degree/min. EFFECT: improved method of scandium preparing. 1 tbl
Title | Year | Author | Number |
---|---|---|---|
METHOD FOR PRODUCTION OF METALLIC SCANDIUM | 1992 |
|
RU2034073C1 |
METHOD OF METALLIC SCANDIUM PREPARING | 1992 |
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DEVICE FOR REDUCTION MELTING OF RARE- EARTH METALS | 1993 |
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METHOD FOR PRODUCING HIGH-PURITY METAL SCANDIUM | 2020 |
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METHOD FOR MAKING INGOTS OF REFRACTORY METALS AND ALLOYS | 2001 |
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RU2191838C1 |
PROCESS OF PRODUCTION OF ALLOYS BASED ON RARE-EARTH METALS, SCANDIUM AND YTTRIUM | 1994 |
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Authors
Dates
1995-04-30—Published
1992-01-28—Filed