Method for Continuous Casting of a Metal with Improved Mechanical Strength and Product Obtained by Said Method
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United States of America Patent
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Issued Date -
Oct 29, 2009
app pub date -
Jan 19, 2006
filing date -
Mar 16, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention concerns a method for continuous casting of a metal in the form of a hollow jet into a nozzle arranged between a pouring ladle or a tundish and a continuous casting ingot mold, said nozzle including in its upper part a dispensing member capable of deflecting at least part of the liquid metal reaching the nozzle inlet towards an inner wall of the nozzle before it penetrates into the ingot mold. Said method includes injecting into an inner volume of the hollow jet finely-divided solid material, characterized in that the finely-divided solid material comprises technical ceramic nanoparticles, of characteristic size less than 200 nm and preferably less than 100 nm.
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