发明名称 METHOD OF FABRICATION OF TANTALUM POWDER
摘要 FIELD: metallurgy. ^ SUBSTANCE: method includes reduction of fluorine tantalite of potassium with liquid sodium in medium of melted saline bath of halogenides of alkali metals by means of alternate portioned dozing of sodium, and further - of fluorine tantalite of potassium. Fluorine tantalite of potassium is introduced into mixtures with part of the charge of halogenides of alkali metals, used for making of a saline bath. Amount of halogenides of alkali metals in the mixture introduced into melt with fluorine tantalite of potassium constitutes from 60 to 125% (wt) from weight of fluorine tantalite of potassium. ^ EFFECT: dimension in size of powder particles, reduction of duration of reduction process, decreasing of power consumption for melting of saline charge and forced cooling of reaction vessel. ^ 1 tbl, 1 ex
申请公布号 RU2338628(C2) 申请公布日期 2008.11.20
申请号 RU20050130939 申请日期 2005.10.05
申请人 AKTSIONERNOE OBSHCHESTVO "UL'BINSKIJ METALLURGICHESKIJ ZAVOD" 发明人 BEREZKO VLADIMIR VASIL'EVICH;DOBRUSIN SERGEJ JUR'EVICH;OBGOL'TS OLEG JAKOVLEVICH;ANGILEVKO VALERIJ NIKOLAEVICH;FROLOVA LARISA MIKHAJLOVNA;SHEVLJAKOV VALERIJ VLADIMIROVICH
分类号 B22F9/18;C22B34/24 主分类号 B22F9/18
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