METHOD FOR MAKING INGOTS OF REFRACTORY METALS AND ALLOYS Russian patent published in 2002 - IPC

Abstract RU 2191838 C1

FIELD: metallurgy of refractory metals and alloys, manufacture of constructional materials for nuclear and thermonuclear reactors. SUBSTANCE: method comprises steps of making ingots of vanadium, zirconium or their alloys by reduction melting process in inert atmosphere; adding to reaction charge rare-earth metal, yttrium and(or) scandium in quantity sufficient for creating at melting process separate metallic phase to which impurities are penetrated. EFFECT: possibility for making refractory metals and their alloys with low content of impurities. 10 cl, 2 tbl

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RU 2 191 838 C1

Authors

Gotovchikov V.T.

Kolbasov B.N.

Romanov P.V.

Seredenko A.V.

Dates

2002-10-27Published

2001-04-19Filed