Simulation of ingot casting processes at Deutsche Edelstahlwerke GmbH<sup>®</sup>

Hartmann, Lukas; Ernst, Christian-Simon; Klung, Jens-Sebastian

doi:10.1088/1757-899x/27/1/012063

Cited by 3 publications

(4 citation statements)

References 5 publications

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“…In their work on reducing macrosegregation in steel ingots, Sang et al 33 used thermal properties calculated with the ProCAST thermodynamic database. Hartmann et al 34 calculated thermal properties with the help of JMatPro. The simulation mesh had approximately 130 000 elements.…”

Section: Methodsmentioning

confidence: 99%

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Mannesmann piercing of ingots by plugs of different shapes

Skripalenko

Баженов

Романцев

et al. 2016

Materials Science and Technology

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The purpose of the research reported here was to establish how plug shape influences the size and porosity of hollow shells produced by Mannesmann piercing of an ingot. Ingots were cast from 6060 aluminium alloy and then pierced with a solid plug, a plug with a cavity or a hollow plug. Computer simulation of these processes was carried out using ProCast and QForm software and showed that a hollow plug should produce hollow shells with minimal porosity. However, the results of the experimental piercing revealed that the hollow plug in fact produced hollow shells with higher porosity than that of shells produced using either of the other two plugs. This appears to be consequence of the hollow plug losing stability.

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Section: Methodsmentioning

confidence: 99%

“…calculated with the ProCAST thermodynamic database. Hartmann et al34 calculated thermal properties with the help of JMatPro. The simulation mesh had approximately 130 000 elements.…”

mentioning

confidence: 99%

Mannesmann piercing of ingots by plugs of different shapes

Skripalenko

Баженов

Романцев

et al. 2016

Materials Science and Technology

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“…This idea was later modified or extended by considering the effect of mush zone morphology and permeability . Models for both macroscopic and microscopic shrinkage defects have been implemented in ProCAST and MAGMASOFT, some successes were achieved to minimize the shrinkage defects in steel ingots by improving the casting design . One example is shown in Figure …”

Section: Capabilities and Limitationsmentioning

confidence: 99%

“…[22] Models for both macroscopic and microscopic shrinkage defects have been implemented in ProCAST [11] and MAGMASOFT, [12] some successes were achieved to minimize the shrinkage defects in steel ingots by improving the casting design. [6,[23][24][25][26] One example is shown in Figure 2. [6,24] Most commercial or in-house codes for calculation of shrinkage defects are based on the transient thermal field during solidification, and it is also true that the governing phenomenon for shrinkage defects is the global solidification sequence, which depends mainly on the thermal field.…”

Section: Shrinkage Cavity and Porositymentioning

confidence: 99%

Simulation of As‐Cast Steel Ingots

Ludwig²,

Kharicha

2017

steel research int.

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Some of the most recent examples of simulations of as‐cast steel ingots are presented in this paper, focusing on discussions concerning available simulation/modeling tools and their capacities and limitations. Although, there has been some success from implementing criterion functions into commercial codes to predict shrinkage porosity and hot tearing, large‐scale ingot sectioning experiments, similar to what is done a century ago, are still needed to investigate other issues, such as macrosegregation, since models are currently unable to predict such issues well. Models with more sophisticated features for macrosegregation prediction that incorporate multiphase transport phenomena are already under development. A limiting factor in application of these models for simulating steel ingots is the demand on large computation resources. Following the recent development trend and the projection of Moore's law (computer hardware), in the foreseeable future, it is predicted that multiphase models will to a great extent reduce the need for the experimental pouring‐sectioning trials.

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