Outline
- Abstract
- INTRODUCTION
- THE EUTECTIC REACTION IN CAST IRONS
- EUTECTIC GRAPHITE MORPHOLOGY AND MECHANICAL PROPERTIES
- MICROSTRUCTURES IN MALLEABLE CAST IRONS
- DEVELOPMENTS IN LIQUID METAL TREATMENTS TO CONTROL MICROSTRUCTURE IN CAST IRONS
- THE EFFECTS OF CHARGE MATERIALS AND DELETERIOUS ELEMENTS AND ON THE MICROSTRUCTURE OF CAST IRONS
- CONTROL OF MATRIX MICROSTRUCTURES
- CONCLUDING REMARKS
- ACKNOWLEDGEMENTS
- AUTHOR CONTRIBUTIONS
- CONFLICT OF INTEREST STATEMENT
- FUNDING
- REFERENCES
Figures and Tables
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Graphical Abstract
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Figure 1. Schematic double eutectic diagram for unalloyed cast iron.
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Figure 10. Fracture surfaces of tensile test bars grey iron (a) and ductile iron (b). In grey iron the fracture path propagates through the network of eutectic graphite flakes. In the ductile iron the fracture goes through the matrix leaving the graphite nodules exposed on the fracture surface.
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Figure 11. Control of eutectic graphite morphology. Nodularization to give nodular (spheroidal) graphite (a). Inoculation to refine eutectic cell size in grey iron (b). Modification to give finely branched undercooled graphite (c) [16].
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Figure 12. SEM BSE image of as-polished microstructure of undercooled graphite in a ferrite matrix.
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Figure 13. Deep etched SEM view of a eutectic cell in a compacted graphite iron [13]. Graphite continuity in eutectic cells, not seen in the OM view in Fig.9(a) is revealed by SEM.