Advances in Ductile Iron Research: new metallurgical understanding and its technological significance

JORGE SIKORA; ROBERTO BOERI

Archives of Foundry

Polish Academy of Sciences

Lugar: Kracow, Poland; Año: 2005 vol. 5 p. 354 - 360

1642-5308

The present work gives an updated view about important metallurgical concepts, concerning the influence that solidification structure, microsegregation, piece size and austenite characteristics, exert on final microstructure, properties and processing control. The discussions are based on original results obtained by using special experimental techniques developed by the authors. New evidences about the solidification macrostructure, microsegregation patterns and austenite type (recrystallized and non recrystallized), allow a better understanding of the solidification and the solid state transformations taking place in conventional and thin wall ductile iron castings.