Method and means of reducing the oxidization of reactive elements in an electroslag remelting operation
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United States of America Patent
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Aug 28, 1990
Grant Date -
N/A
app pub date -
Jul 3, 1989
filing date -
Jul 3, 1989
priority date (Note) -
Expired
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Abstract
A method and apparatus is provided for controlling the atmosphere above the bath of an electroslag remelting furnace, including sealing the atmosphere of the furnace directly above the crucible by employing a shell secured to the crucible and a shroud secured between the shell and the movable furnace ram to encapsulate the atmosphere, and analyzing the oxygen content of the atmosphere and controlling the amount of oxygen therein by introducing an inert gas in the atmosphere.
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