Search Results - "Založnik, Miha"
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Quantitative 3D mesoscopic modeling of grain interactions during equiaxed dendritic solidification in a thin sample
Published in Acta materialia (01-07-2019)“…A 3D mesoscopic envelope model is used to numerically simulate the experimental X-ray observations of isothermal equiaxed dendritic solidification of a thin…”
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2
Modeling of the Coupling of Microstructure and Macrosegregation in a Direct Chill Cast Al-Cu Billet
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01-10-2017)“…The macroscopic multiphase flow and the growth of the solidification microstructures in the mushy zone of a direct chill (DC) casting are closely coupled…”
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Prediction of Macrosegregation in Steel Ingots: Influence of the Motion and the Morphology of Equiaxed Grains
Published in Metallurgical and materials transactions. B, Process metallurgy and materials processing science (01-06-2009)“…Although a significant amount of work has already been devoted to the prediction of macrosegregation in steel ingots, most models considered the solid phase as…”
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4
Three-dimensional mesoscopic modeling of equiaxed dendritic solidification of a binary alloy
Published in Computational materials science (01-02-2016)“…Large ensemble of equiaxed dendritic grains growing in the presence of solutal interactions. [Display omitted] •We validate the model against theoretical and…”
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Simulation of a macrosegregation benchmark in a cylindrical coordinate system with a meshless method
Published in International journal of thermal sciences (01-08-2019)“…The main objective of the present paper is to define a new benchmark test for macrosegregation in axisymmetry and to verify a novel meshless method on it. The…”
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DEM simulation of dendritic grain random packing: application to metal alloy solidification
Published in EPJ Web of conferences (01-01-2017)“…The random packing of equiaxed dendritic grains in metal-alloy solidification is numerically simulated and validated via an experimental model. This phenomenon…”
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Journal Article Conference Proceeding -
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Meshless interface tracking for the simulation of dendrite envelope growth
Published in Journal of computational physics (15-06-2024)“…The growth of dendritic grains during solidification is often modelled using the Grain Envelope Model (GEM), in which the envelope of the dendrite is an…”
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Effects of the powder, laser parameters and surface conditions on the molten pool formation in the selective laser melting of IN718
Published in Journal of materials processing technology (01-03-2021)“…[Display omitted] •Single-track SLM experiments under different conditions and parameters were carried out.•Quantitative correlations between the molten pool…”
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Mesoscopic modeling of equiaxed and columnar solidification microstructures under forced flow and buoyancy-driven flow in hypergravity: Envelope versus phase-field model
Published in Acta materialia (15-10-2020)“…•Convection modeling in a mesoscale/multiscale solidification model is presented.•We study microstructure evolution of equiaxed dendritic crystals under forced…”
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Mesoscopic modeling of spacing and grain selection in columnar dendritic solidification: Envelope versus phase-field model
Published in Acta materialia (01-01-2017)“…We investigate and assess the capability of the mesoscopic envelope model of dendritic solidification to represent the growth of columnar dendritic structures…”
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Channel segregation during columnar solidification: Relation between mushy zone instability and mush permeability
Published in International journal of heat and mass transfer (01-01-2021)“…•A new mushy zone instability model based on mush permeability.•Benchmark solidification problem of Sn-5 wt%Pb alloy is simulated using OpenFOAM.•Near-liquidus…”
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Thermosolutal convection and macrosegregation during directional solidification of TiAl alloys in centrifugal casting
Published in International journal of heat and mass transfer (01-06-2020)“…•The effect of centrifugation on TiAl directional solidification is investigated.•Three-dimensional numerical simulations of solidification were performed.•A…”
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Predictive Capabilities of Multiphysics and Multiscale Models in Modeling Solidification of Steel Ingots and DC Casting of Aluminum
Published in JOM (1989) (01-08-2016)“…Prediction of solidification defects, such as macrosegregation and inhomogeneous microstructures, constitutes a key issue for industry. The development of…”
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Investigation of Macrosegregation Formation in Aluminium DC Casting for Different Alloy Systems
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01-10-2018)“…Direct chill (DC) casting of aluminum involves alloys employing different solute elements. In this article, a qualitative analysis and comparison of…”
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Modeling of hierarchical solidification microstructures in metal additive manufacturing: Challenges and opportunities
Published in Additive manufacturing (25-09-2023)“…Metal-based additive manufacturing (AM) processes often produce parts with improved properties compared to conventional manufacturing and metal working routes…”
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An operator splitting scheme for coupling macroscopic transport and grain growth in a two-phase multiscale solidification model: Part I – Model and solution scheme
Published in Computational materials science (01-03-2010)“…We present a two-phase multiscale solidification model, which accounts for coupled heat, mass, solute and momentum transfer and notably describes the motion of…”
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Verification of a numerical model of macrosegregation in direct chill casting
Published in International journal of numerical methods for heat & fluid flow (01-01-2008)“…Purpose - This paper aims to point out the critical problems in numerical verification of solidification simulation codes and the complexity of the…”
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Thermosolutal flow in steel ingots and the formation of mesosegregates
Published in International journal of thermal sciences (01-09-2010)“…The influence of the thermosolutal convection of the liquid steel in the solidifying core of a 3.3-ton ingot on the formation of banded mesosegregates is…”
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A Simplified Three-Phase Model of Equiaxed Solidification for the Prediction of Microstructure and Macrosegregation in Castings
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01-07-2018)“…Macrosegregation is a result of the interplay of various transport mechanisms, including natural convection, solidification shrinkage, and grain motion…”
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Application of an Equiaxed Grain Growth and Transport Model to Study Macrosegregation in a DC Casting Experiment
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (15-04-2019)“…A simplified three-phase, multiscale macrosegregation model which describes the growth kinetics of equiaxed grains and the coupling between microstructure…”
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