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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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Li, Jiehua
Montanuniversität Leoben
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2024Semi-analytical and experimental heat input study of additively manufactured Zr-based bulk metallic glasscitations
- 2024Investigation on the Duration of Action of Mg3N2 as a Grain Refiner for AZ80 Alloycitations
- 2023Effect of Ca and P on the Size and Morphology of Eutectic Mg2Si in High-Purity Al-Mg-Si Alloyscitations
- 2023Revealing effects of solute Ta on solidification and precipitation of Al-7Si-0.3Mg based alloyscitations
- 2023Effect of Mn addition on microstructure, mechanical properties and die soldering of rheocasting Al-7Si-0.3Mg alloys
- 2023Effect of Eu and P additions with Ta grain refiner on the solidification microstructure of Al-7Si-0.3Mg alloyscitations
- 2023Silicon Poisoning and Effects of Tantalum on AlSi Alloyscitations
- 2023A Comparison of Microstructure and Casting Defects of Rheocasting and Thixocasting Al-Si-Mg Alloy
- 2022Using Recycled Materials for Semi-Solid Processing of Al-Si-Mg Based Alloys
- 2022Effect of Solute Ta on Grain Refinement of Al-7Si-0.3Mg Based Alloyscitations
- 2022Elucidation of formation and transformation mechanisms of Ca-rich Laves phase in Mg-Al-Ca-Mn alloyscitations
- 2021The nucleation sequence of α-Al on TiB2 particles in Al-Cu alloyscitations
- 2021Einfluss von Tantal auf die Kornfeinung einer Al10SiMg Legierung
- 2019Eutectic modification by ternary compound cluster formation in Al-Si alloyscitations
- 2019Precipitation microstructure in Al-Si-Mg-Mn alloy with Zr additionscitations
- 2017Phase Decomposition of a Single-Phase AlTiVNb High-Entropy Alloy after Severe Plastic Deformation and Annealingcitations
- 2017The enhanced theta-prime (θ′) precipitation in an Al-Cu alloy with trace Au additionscitations
- 2016Revealing heterogeneous nucleation of primary Si and eutectic Si by AlP in hypereutectic Al-Si alloyscitations
- 2014Influence of dendritic morphology on the calculation of macrosegregation in steel ingotcitations
Places of action
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document
Influence of dendritic morphology on the calculation of macrosegregation in steel ingot
Abstract
<p>The simulation of macrosegregation in a 2.45-ton steel ingot with the three-phase mixed columnar-equiaxed model was presented previously. The results showed an overestimation of the intensity of bottom negative segregation. The reason is due to the assumed globular morphology for the equiaxed crystal. Therefore, in this paper a simple approach is suggested to treat the dendritic morphology of equiaxed crystals. Three aspects are improved: the drag force between the moving equiaxed crystals and the surrounding melt, the mechanism of the columnar-to-equiaxed transition, the packing limit of the equiaxed crystals. The modified model is used to calculate the macrosegregation of the same ingot. It is found that the modified model predicts less severe negative segregation in the bottom equiaxed zone than the previous globular equiaxed model does, i.e. it agrees better to the experiment. The model considering simplified-dendritic morphology improves the calculation accuracy.</p>