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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Vedel-Smith, Nikolaj Kjelgaard
Aarhus University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2019Comparison of Selective Laser Melting Post-Processes based on Amplitude and Functional Surface Roughness parameters
- 2017Internal Casting Stresses and Dimensional Stability
- 2016Spot feeding spheroidal graphite iron with exothermic and insulating ram-up sleeves in vertically parted moulds
- 2015Spot Feeding Spheroidal Graphite Iron with Exothermic and Insulating Ram-Up Sleeves in Vertically Parted Moulds: Efficiency, Microstructure, Dimensional Accuracy, Deformation, and Driving Force and Feeding Criteria Identification
- 2015Thermal distortion of disc-shaped ductile iron castings in vertically parted mouldscitations
- 2014Feeding Against Gravity with Spot Feeders in High Silicon Ductile Iron
- 2014Effect of Feeder Configuration on the Microstructure of Ductile Cast Ironcitations
- 2013Quantification of Feeding Effects of Spot Feeding Ductile Iron Castings made in Vertically Parted Moulds
- 2012Casting traceability with direct part marking using reconfigurable pin-type tooling based on paraffin–graphite actuatorscitations
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document
Effect of Feeder Configuration on the Microstructure of Ductile Cast Iron
Abstract
Feeding and microstructure of a test casting rigged with different feeder combinations was studied. Castings were examined and classified by soundness and microstructure. Subsequently the casting macro- and microstructure was analyzed to study how differences in solidification and segregation influence the soundness of different sections of the castings. Moreover, the microstructural changes due to variations in thermal gradients are classified, and the variations in the mushy zone described. The paper discusses how solidification and segregation influence porosity and microstructure of ductile iron castings. The goal is to enable metallurgists and foundry engineers to more directly target mushy zone development to prolong the possibility to feed through this section. Keeping smaller section open for an extended period will make it possible to use fewer or smaller feeders, with reduced energy consumption and cheaper products as a result.