A Study on Ductile Iron Production without the Use of Feeders

Vasilios Fourlakidis

doi:10.4028/www.scientific.net/KEM.457.499

Paper Titles

Optimum Pressure Control of Molten Metals for Casting Production Using a Novel Greensand Mold Press Casting Method
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Technology and Effectiveness of Cast Iron Treatment by Gas Injection
p.459

Fundamentally New Effective Process of Casting of Hollow Cylindrical Billets of Cast Iron by the Method of Directional Solidification
p.465

Analysing the Deformation Behaviour of Compacted Graphite Cast Irons Using Digital Image Correlation Techniques
p.470

Mg7-FeSi Alloy Dissolution Kinetics in the In-Mould Process
p.476

Magnetodynamic Mixer-Batcher for Overheating and Pouring of Cast Iron
p.481

Improvement of the Metallurgical Quality of Ductile Iron by Conditioning
p.487

Effect of Austempering Temperature on High Cycle Fatigue Behavior of an Austempered Ductile Iron (ADI)
p.493

A Study on Ductile Iron Production without the Use of Feeders
p.499

HomeKey Engineering MaterialsKey Engineering Materials Vol. 457A Study on Ductile Iron Production without the Use...

A Study on Ductile Iron Production without the Use of Feeders

Abstract:

This paper investigates the effects of graphite added as a conditioner, of Lantanum containing nodulariser and of pouring temperature on the formation of shrinkage porosity in ductile iron casting with an eutectic composition. In this experiment for each heat the cooling curves were recorded by the use of Quick-Cups (thermal analysis cups) and different solidification parameters such as TElow, GRF1, GRF2 and TS were calculated and compared with the porosity which was found from the microstructure examination. The results show that there is a good correlation between the amount of the shrinkage formation and the thermal analysis values. Also this experiment confirm that by using certain treating elements and pouring temperature which was between 1340-1350°C it is possible to eliminate the shrinkage defects in ductile iron castings without using feeders.

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Periodical:

Key Engineering Materials (Volume 457)

Pages:

499-504

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.457.499

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Online since:

December 2010

Authors:

Vasilios Fourlakidis

Keywords:

Ductile Iron, Graphite, Lanthanum Nodularizer, Shrinkage Porosity, Thermal Analysis

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References

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