ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
Solidification of Thin Wall Ductile Iron Castings with Hypereutectic Composition
Marcin Górny
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2010 Volume 50 Issue 6 Pages 847-853

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Abstract

Numerical calculations are presented describing the solidification of a thin wall ductile iron castings with a hypereutectic composition. Numerical model was implemented in Matlab–Simulink environment. The model takes into account the presence of off-eutectic austenite as well as primary graphite. Experimental verification was made using casting with the shape of Archimedes spiral. Thermal analysis showed that there is high temperature drop of liquid metal due to intensive heat transfer between the flowing metal stream—the mould material. Thermal analysis along with microstructure observations were made and show reasonable agreement of numerical calculations with experimental measurements.

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© 2010 by The Iron and Steel Institute of Japan
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