METHOD OF MELTING OF SILICON AND ITS ALLOYS
FIELD: metallurgy, electrothermal production of silicon and its alloys. SUBSTANCE: silicides of iron, aluminium and calcium are changed to a water-soluble state during silicon tapping from furnace into a ladle or ingot mould by introduction of chlorides of alkali metals onto the surface of liquid si...
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Main Authors | , , , , , , |
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Format | Patent |
Language | English Russian |
Published |
10.04.1996
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Subjects | |
Online Access | Get full text |
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Summary: | FIELD: metallurgy, electrothermal production of silicon and its alloys. SUBSTANCE: silicides of iron, aluminium and calcium are changed to a water-soluble state during silicon tapping from furnace into a ladle or ingot mould by introduction of chlorides of alkali metals onto the surface of liquid silicon and subsequent washing of crushed silicon with water. EFFECT: enhanced quality of silicon.
Изобретение относится к металлургии, а точнее к электротермическому получению кремния и его сплавов. Предложен способ повышения качества кремния за счет перевода силицидов железа, алюминия и кальция в водорастворимое состояние во время выпуска кремния из печи в ковш или изложницу путем введения на поверхность жидкого кремния хлоридов щелочных металлов с последующей промывкой дробленого кремния водой. |
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Bibliography: | Application Number: RU19940018063 |