METHOD FOR PRODUCING SCANDIUM CONTAINING MASTER ALLOY

non-ferrous metallurgy, namely, production of master alloys for enhancing properties of light alloys. SUBSTANCE: method comprises steps of metalothermic reduction of scandium oxides in halide melts in such a way that 30-75-% concentrate of scandium oxide is subjected to reduction with use as reducin...

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Bibliographic Details
Main Authors SIZJAKOV V.M, ALEKSANDROVSKIJ S.V
Format Patent
LanguageEnglish
Russian
Published 20.01.2001
Edition7
Subjects
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:non-ferrous metallurgy, namely, production of master alloys for enhancing properties of light alloys. SUBSTANCE: method comprises steps of metalothermic reduction of scandium oxides in halide melts in such a way that 30-75-% concentrate of scandium oxide is subjected to reduction with use as reducing agent aluminium and magnesium base alloy containing 15-30% of magnesium. It increases extraction degree of scandium to master alloy (up to 85%); cost of master alloy is lowered by 30-50% due to use of concentrate with decreased content of scandium oxide. EFFECT: enhanced degree of scandium extraction to ligature, reduced cost of master alloy. 1 tbl, 1 ex
Bibliography:Application Number: RU19990115305