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- Title
Comparative Study on the In-Ladle Treatment Techniques for Nodulizing the Iron’s Graphite.
- Authors
Kiss, Imre
- Abstract
The objectives of this research is to study and understand the nodulizing of ductile iron using in-ladle treatment process. Among the more common nodulizing agents is magnesium (Mg) which is conventionally added to the cast iron by combining suitable alloys of one or both of these elements with molten cast iron. Depending on the characteristics of each master alloy used as nodulizer, different treatment methods and techniques are used, among these, the most widely used being in-ladle, in-mould, and flow-through, the first being the most used. This research deals with the parameters, that affect the quality of ductile iron produced using in-ladle treatment process. The parameters involved are the percentage of magnesium–ferrosilicon (Fe–Si–Mg) used and the nodulizing technique. In-ladle treatment used consists of a deep pocket into the bottom of ladle, in which magnesium–ferrosilicon is placed into it together with a steel scrap barrier (steel sheets) or calcium carbide. This study, take into account, the degree of assimilation of magnesium, which shows the performance of the chosen process, depending on the nodulizer used and the temperature of the treatment.
- Subjects
LIQUID iron; NODULAR iron; GRAPHITE; CAST-iron; CALCIUM carbide; FERROSILICON
- Publication
Technical Journal / Tehnički Glasnik, 2021, Vol 15, Issue 4, p504
- ISSN
1846-6168
- Publication type
Article
- DOI
10.31803/tg-20210209111953