AFS Library

THE Fe-C-Si SOLIDIFICATION DIAGRAM FOR CAST IRONS

19860885
Journal: Trans American Foundrymen's Society V 94 Paper 86-71,1986
Author: R. W. Heine

An FeCSi diagram for cast irons for both the stable Fe graphite and metastable Fe iron carbide solidification processes and the transition between the two is presented. Equations marking the boundaries of proeutectic and eutectic solidification are provided for both metastable and stable types. Diagrams for both systems are shown graphically. The diagram is presented as a solidification diagram and not as a ternary phase diagram, since it is derived from cooling curve data. It does not indicate the beginning and ending of solidification processes and involved multicomponent alloys. It is constructed on rectangular coordinates. Nevertheless, the diagram is most useful in cast iron metallurgy.



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