Method and apparatus to monitor/detect nodularization in ductile iron
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United States of America Patent
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Apr 15, 2008
Grant Date -
N/A
app pub date -
Nov 24, 2004
filing date -
Nov 25, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is direct to a method/apparatus for verifying a nodularization process in a molten iron disposed within a ladle. The method includes the steps of: transferring the ladle with the molten iron to a nodularization area; adding an amount of magnesium to the molten iron in the ladle for producing the nodularization process in the molten iron; measuring vibration of the ladle containing the molten iron caused by the nodularization process in the molten iron; comparing the measured vibration with a predetermined level of vibration; and determining that the nodularization process occurs if the measured vibration is higher than the predetermined level of vibration.
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