MIXTURE FOR CAST IRON WORKING Russian patent published in 1995 - IPC

FIELD: metallurgy. SUBSTANCE: mixture has, wt.-% granules of alloy magnesium-aluminium-silicon 6-25; alkaline and alkaline-earth metal chlorides and/or fluorides 0.2-10, and ferrosilicon the rest. Alkaline and alkaline-earth metal chlorides and/or fluorides were used as covers coating the granules of alloy magnesium-aluminium-silicon. Components of alloy magnesium-aluminium-silicon have the ratio, wt.-% aluminium 5-25; silicon 0.5-15.0, and magnesium the rest. Ferrosilicon can contain additionally barium and/or calcium, and/or rare-earth metals at the following ratio of components, wt. -% silicon 45-75; barium and/or calcium, and/or rare-earth metals 0.3-5.0, and iron the rest. EFFECT: enhanced quality of mixture. 2 cl, 1 tbl