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CHAIR OF SIMULATION AND MODELING METALLURGICAL PROCESSES

Research Topics

Here, we have gathered publications written by the chair (starting from 2012) which contribute to specific research topics:

Overviews

J120. Ludwig A., Wu M., Kharicha A.: Metall. Mater. Trans. A, 46 (2015) 4854-4867
"On Macrosegregation"

J102. Ludwig A., Wu M., Kharicha A.: Metall. Mater. Trans. B 45 (2014) 36-43.
"Modeling of Multiscale and Multiphase Phenomena in Materials Processing"

Macrosegregation

J117. Domitner J., Wu M., Ludwig A.: steel research int., 86 (2015) 184-188.
"Numerical Study about the Influence of Small Casting Speed Variations on the Metallurgical Length in Continuous Casting of Steel Slabs"

J115. Wu M., Li J., Ludwig A., Kharicha A.: Computational Material Science, 92 (2014) 267–285.
"Modeling diffusion-governed solidification of ternary alloys – Part 2:Macroscopic transport phenomena and macrosegregation"

J112. Li J., Wu M., Ludwig A., Kharicha A.: Mater. Sci. Forum, 790-791 (2014) 121-126.
"Prediction of macrosegregation in steel ingot using a simplified denderitic model"

J107. Wu M., Kharicha A., Ludwig A.: Mater. Sci. Forum, 790-791 (2014) 85-90.
"Numerical Study of the Influence of Diffusion-Governed Growth Kinetics on Macrosegregation"

J104. Domitner J., Wu M., Kharicha A., Ludwig A., Kaufmann B., Reiter J., Schaden T.: Metall. Mater. Trans. A, 45 (2014) 1415-1434.
"Modeling the effect of strand surface bulging and mechanical softreduction on the macrosegregation formation in steel continuous casting"

J103. Li J., Wu M., Ludwig A., Kharicha A.: Int. J. Heat and Mass Transfer 72 (2014) 668-679.
"Simulation of Macrosegregation in a 2.45-ton Steel Ingot Using a Three-Phase Mixed Columnar-Equiaxed Model"

J101. Wu M., Li J., Ludwig A., Kharicha A.: Computational Material Science, 79 (2013) 830–840.
"Modelling diffusion-governed solidification of ternary alloys - Part 1: Coupling solidification kinetics with thermodynamics"

J92. Li J., Wu M., Hao J., Ludwig A.: Comp. Mater. Sci., 55 (2012) 407-418.
"Simulation of channel segregation using a two-phase columnar solidification model, Part I: Model description and verification”

J91. Li J., Wu M., Hao J., Kharicha A., Ludwig A.: Comp. Mater. Sci., 55 (2012) 419-429.
"Simulation of channel segregation using a two-phase columnar solidification model, Part II: Mechanism and parameter study”

J90. Wu M., Domitner J., Ludwig A.: Metall. Mater. Trans. A, 43(2012) 945-964.
"Using a two-phase columnar solidification model to study the principle of mechanical softreduction in slab casting”

C140. Wu M., Kharicha A., Ludwig A.: MCWASP XIV (14th Modeling of Casting, Welding and Adv. Solidification Processes) Awaji island, Hyogo, Japan, 21-26 June (2015), Ed.: H. Yasuda, IOP Conf. Series: Materials Science and Engineering 84 (2015) 012006
"Using four-phase Eulerian volume averaging approach to model macrosegregation and shrinkage cavity"

C122. Li J., Wu M., Ludwig A., Kharicha A.: MCWASP XIII (13th Modeling of Casting, Welding and Adv. Solidification Processes) Schladming, Austria, 17-22 June (2012), Eds.: A. Ludwig, M. Wu, A. Kharicha, IOP Conf. Series: Mater. Sci. Eng. 33 (2012) 012091.
"Modelling macrosegregation in a 2.45 ton steel ingot"

C117. Wu, M., Li J., Kharicha A.,  Ludwig A.: ICRF-2012 (1st Int. Conf. on Ingot Casting, Rolling and Forging), Aachen, Germany 3-7 June (2012) CD-ROM proc., 1-10.
"Multiphase modelling of the macrosegregation in ingot castings"

Casting of Al-Alloys

J119. Ahmadein M., Wu M., Ludwig A.: J. Crystal Growth 417 (2015) 65-74.
"Analysis of macrosegregation formation and columnar-to-equiaxed transition during solidification of Al-4wt.%Cu ingot using a 5-phase model"

109. Ahmadein M., Wu M., Schumacher P., Ludwig A.: Mater. Sci. Forum, 790-791 (2014) 67-72.
"A numerical study of the influence of pouring technique on the as-cast structure of Al-Cu ingots"

J100. Ahmadein M., Wu M., Li J., Schumacher P., Ludwig A.: Metall. Mater. Trans. A, 44 (2013) 2895-2903.
"Prediction of the As-Cast Structure of Al-4.0 wt. pct Cu Ingots"

C126. Unterreiter G., Ludwig A., Wu M., Vakhrushev A., Ishmurzin A.: Conference on Materials and Technology, Portoroz, Slovenia, 17-19 October (2012).
"Simulation of the Casting and Quenching Process of a Laboratory AlSi7MgCu05 Casting"

C125. Ahmadein M., Wu M., Ludwig A.: ICET2012 (Int. Conf. on Engineering Technology) New Cairo City, Egypt., 10-11. Oct. (2012) 1-6.
"Numerical study of the influence of mold filling conditions on the as-cast structure of Al-4 wt.%Cu ingots"

C124. Wu M., Ahmadein M., Kharicha A., Ludwig A., Li J.H., Schumacher P.: MCWASP XIII (13th Modeling of Casting, Welding and Adv. Solidification Processes) Schladming, Austria, 17-22 June (2012), Eds.: A. Ludwig, M. Wu, A. Kharicha, IOP Conf. Series: Mater. Sci. Eng. 33 (2012) 012075.
"Simulation of the as-cast structure of Al-4.0wt.%Cu ingots with a 5-phase mixed columnar-equiaxed solidification model"

In-situ Observations of Flow Phenomina during Solidification

J116. Stefan-Kharicha M., Kharicha A., Wu M., Ludwig A.: Fluid Dyn. Res. 46 (2014) 041424.
"Observation of flow regimes and transitions during a columnar solidification experiment"

J108. Ahmadein M., Wu M., Stefan-Kharicha M., Kharicha A., Ludwig A.: Mater. Sci. Forum, 790-791 (2014) 247-52.
"Evaluation of a 5-phase mixed columnar-equiaxed solidification model with a benchmark solidification experiment of NH4Cl-H2O solution"

J99. Kharicha A., Stefan-Kharicha M., Ludwig A., Wu M.: Metall. Mater. Trans. A, 44 (2013) 661-668.
"Simultaneous observation of melt flow and motion of equiaxed crystals during solidification using a dual phase Particle Image Velocimetry technique. Part II: Relative velocities"

J98. Kharicha A., Stefan-Kharicha M., Ludwig A., Wu M.:  Metall. Mater. Trans. A, 44 (2013) 650-660.
"Simultaneous observation of melt flow and motion of equiaxed crystals during solidification using a dual phase Particle Image Velocimetry technique. Part I:   Stages characterization of melt flow and equiaxed crystals motion"

C123. Kharicha A., Stefan-Kharicha M., Ludwig A., Wu M.: MCWASP XIII (13th Modeling of Casting, Welding and Adv. Solidification Processes) Schladming, Austria, 17-22 June (2012), Eds.: A. Ludwig, M. Wu, A. Kharicha, IOP Conf. Series: Mater. Sci. Eng. 33 (2012) 012042.
"Simultaneous observation of melt flow and motion of equiaxed crystals during solidification using a dual phase PIV technique"

Columnar-to-Equiaxed Transition

C144. Sturz L., Wu M., Zimmermann G., Ludwig A.,Ahmadein M.: MCWASP XIV (14th Modeling of Casting, Welding and Adv. Solidification Processes) Awaji island, Hyogo, Japan, 21-26 June (2015), Ed.: H. Yasuda, IOP Conf. Series: Materials Science and Engineering 84 (2015) 012086
"Benchmark experiments and numerical modelling of the columnar-equiaxed dendritic growth in the transparent alloy Neopentylglycol-(d)Camphor"

C143. Hao J., Lin Y.J., Nie Y., Wu M., Ludwig A.: MCWASP XIV (14th Modeling of Casting, Welding and Adv. Solidification Processes) Awaji island, Hyogo, Japan, 21-26 June (2015), Ed.: H. Yasuda, IOP Conf. Series: Materials Science and Engineering 84 (2015) 012061
"Modelling of macrosegregation in direct chill casting considering columnar-to-equiaxed transition using 3-phase Eulerian approach"

C134. Wu M., Li J., Kharicha A., Ludwig A.: Liquid Metal Processing & Casting Conf. 2013 (LMPC 2013) Sept. 22-25, Austin, Texas (2013) pp. 171-180.
"Using a Three Phase Mixed Columnar-Equiaxed Solidification Model to Study Macrosegregation in Ingot Casting: Perspectives and Limitations"

Interdendritic Phenomena

J114. Ludwig A., Kharicha A., Hölzl C., Domitner J., Wu M., Pusztai T.: Int. J. Engineering Analysis with Boundary Elements, 45 (2014) 29-35.
"3D Lattice Boltzmann flow simulations through dendritic mushy zones"

J97. Domitner J., Kharicha A., Wu M., Ludwig A.: Metall. Mater. Trans. A, 44 (2013) 607-616.
"Application of microprobe analysis to the reconstruction and characterization of dendritic structures"

C121. Domitner J., Drezet J.M., Wu M., Ludwig A.: MCWASP XIII (13th Modeling of Casting, Welding and Adv. Solidification Processes) Schladming, Austria, 17-22 June (2012), Eds.: A. Ludwig, M. Wu, A. Kharicha, IOP Conf. Series: Mater. Sci. Eng. 33 (2012) 012058.
"Thermo-Mechanical Modeling of the Mushy Zone Deformation in Continuous Casting of Steel"

Peritectic Solidification

J111. Ludwig A., Mogeritsch J.: Mater. Sci. Forum, 790-791 (2014) 317-322.
"Recurring instability of cellular growth in a near peritectic transparent NPG-TRIS alloy system"

J95. Ludwig A., Mogeritsch J., Kolbe M., Gerhard Z., Sturz L., Bergeon N., Faivre G., Billia B., Akamatsu S., Bottin-Rousseau S., Voss D.: JOM 64 (2012) 1097-101.
"Adv. Solidification Studies on Transparent Alloy Systems: A New European Solidification Insert for Material Science Glovebox on Board the Int. Space Station"

C142. Mogeritsch J.P., Ludwig A.: MCWASP XIV (14th Modeling of Casting, Welding and Adv. Solidification Processes) Awaji island, Hyogo, Japan, 21-26 June (2015), Ed.: H. Yasuda, IOP Conf. Series: Materials Science and Engineering 84 (2015) 012055
"In-situ observation of the dynamic of peritectic coupled growth using the binary organic system TRIS-NPG"

C115. Mogeritsch J, Ludwig A.: TMS Annual Meeting, Symp. on "Materials Research in Microgravity" (NASA/CP-2012-217466), (2012) 48-55.
"Microstructure formation in the two phase region of the binary peritectic organic system TRIS-NPG"

Modelling of Sedimentation

C145. Ludwig A., Vakhrushev A., Holzmann T., Wu M., Kharicha A.: MCWASP XIV (14th Modeling of Casting, Welding and Adv. Solidification Processes) Awaji island, Hyogo, Japan, 21-26 June (2015), Ed.: H. Yasuda, IOP Conf. Series: Materials Science and Engineering 84 (2015) 012102
"Two-phase modelling of equiaxed crystal sedimentation and thermomechanic stress development in the sedimented packed bed"

Modelling of Dendritic Growth at the Mesoscale

C141. Kharicha A., Stefan-Kharicha M., Ludwig A., Wu M.: MCWASP XIV (14th Modeling of Casting, Welding and Adv. Solidification Processes) Awaji island, Hyogo, Japan, 21-26 June (2015), Ed.: H. Yasuda, IOP Conf. Series: Materials Science and Engineering 84 (2015) 012032
"A scale adaptive dendritic envelope model of solidification at mesoscopic scales"

C118. Kharicha A., Stefan-Kharicha M., Ludwig A., Wu M.: MCWASP XIII (13th Modeling of Casting, Welding and Adv. Solidification Processes) Schladming, Austria, 17-22 June (2012), Eds.: A. Ludwig, M. Wu, A. Kharicha, IOP Conf. Series: Mater. Sci. Eng. 33 (2012) 012115.
"Exploration of the double-diffusive convection during dendritic solidification with a combined volume-averaging and cellular-automaton model"

Electro-Slag Remelting

J121. Karimi-Sibaki E., Kharicha A., Bohacek J., Wu M., LUDWIG A.: Metall. Mater. Trans. A, (2015) published online
"A Dynamic Mesh-Based Approach to Model Meltingand Shape of an ESR Electrode"

J118. Kharicha A., Teplyakov I., Ivochkin Yu., Wu M., Ludwig A., Guseva A.: Exp. Therm. Fluid Sci. 62 (2015) 192-201.
"Experimental and numerical analysis of free surface deformationin an electrically driven flow"

J113. Kharicha A., Ludwig A., Wu M.: ISIJ Int., 54 (2014) 1621-1628.
"On Melting of Electrodes during Electro-Slag Remelting"

J110. Karimi-Sibaki E., Kharicha A., Wu M., Ludwig A., Korp J.: Mater. Sci. Forum, 790-791 (2014) 396-401.
"Influence of crystal morphological parameters on the solidification of ESR ingot"

B19. Kharicha, A., Wu, M., Ludwig, A., Ramprecht, M., Holzgruber, H.: in "CFD Modeling and Simulation in Materials Processing", ISBN 978-1-11829-615-8, Eds.: Nastac L. et al, Wiley, Hoboken, New Jersey, (2012) 139-46.

"Influence of the frequency of the applied AC current on the electroslag remelting process."

C139. Karimi Sibaki E., Kharicha A., Wu M., Ludwig A., Holzgruber H., Ofner B., Ramprecht M.: 2nd Int. Conf. Ingot Casting Rolling Forging, Milano, Italy, May 7-9 (2014) on data storage device.
"A parameter study on the effect of slag electrode conductivity on the solidification of a large scale ESR ingot"

C138. Kharicha A., Karimi Sibaki E., Wu M., Ludwig A.: 2nd Int. Conf. Ingot Casting Rolling Forging, Milano, Italy, May 7-9 (2014) on data storage device.
"How to get a smooth ESR Ingot surface?"

C135. Kharicha A., Wu M., Ludwig A.: 8th Int. Conf. Multiphase Flow (ICMF 2013), May 26-31, Jeju, Korea, (2013) No. 829.
"MHD and multiphase phenomena in an industrial scale electro-slag remelting process"

C133. Karimi-Sibaki E., Kharicha A., Wu M., Ludwig A., Holzgruber H., Ofner B., Ramprecht M.: Liquid Metal Processing & Casting Conf. 2013 (LMPC 2013) Sept. 22-25, Austin, Texas (2013) pp. 13-19.
"A Numerical Study on the Influence of the Frequency of the Applied AC Current on the Electroslag Remelting Process"

C132. Kharicha A., Wu M., Ludwig A.: Liquid Metal Processing & Casting Conf. 2013 (LMPC 2013) Sept. 22-25, Austin, Texas (2013) pp. 145-150.
"Variation of the Resistance During the Electrode Movement in the Electroslag Remelting Process"

C131. Kharicha A., Karimi Sibaki E., Wu M., Ludwig A.: Liquid Metal Processing & Casting Conf. 2013 (LMPC 2013) Sept. 22-25, Austin, Texas (2013) pp. 95-99.
"Contribution of the Mould Current to the Ingot Surface quality in the Electroslag Remelting Process"

C127. Kharicha A., Körp J., Kubin M., Wu M., Ludwig A.: CLEANSTEEL8, Budapest, Hungary, 14-16 Mai 2012, pp 145-157.
"Investigations on the origin of radial distribution of non-metallic inclusions in ESR ingot"

Electromagnetic Basics

J96. Kharicha A., Wu M., Ludwig A., Karimi-Sibaki E.: J. Iron and Steel Research International, Vol.19 Supplement 1-1 (ISSN 1006-706X-CN11-3678/TF), (2012) 63-66.
"Influence of the earth magnetic field on electrically induced flows"

C136. Kharicha A., Teplyakov I., Ivochkin Y., Wu M., Ludwig A., Guseva A.: 9th Int. Pamir Conf. on Fundamental and applied MHD, Thermo acoustic and Space technologies, Riga, Latvia, June 16-20 (2014) 245-249.
"Free surface deformation by the application of electrical currents"

Continuous Casting

C137. Vakhrushev A., Ludwig A., Wu M.: 8th European Continuous Casting Conf., Graz, Austria, June 23-26 (2014) on data storage device.
"Experimental verification of the 3-phase continuous casting simulation using a water model"

C129. Vakhrushev A., Ludwig A., Wu M., Tang Y., Nitzl G., Hackl G.: 5th Conf. "STEELSIM 2013", Ostrava, CZ
"Discrete Phase Modelling for Continuous Casting: Model Verification and Application

Thin Slap Casting

J106. Vakhrushev A., Wu M., Ludwig A., Tang Y., Hackl G., Nitzl G.: Metall. Mater. Trans. B., 45 (2014) 1024-37.
“Numerical investigation of shell formation in thin slab casting of funnel-type mould”

C119. Vakhrushev A., Wu M., Ludwig A., Tang Y., Hackl G., Nitzl G.: MCWASP XIII (13th Modeling of Casting, Welding and Adv. Solidification Processes) Schladming, Austria, 17-22 June (2012), Eds.: A. Ludwig, M. Wu, A. Kharicha, IOP Conf. Series: Mater. Sci. Eng. 33 (2012) 012014.
"Modeling of the flow-solidification interaction in thin slab casting"

C116. Vakhrushev A., Ludwig A., Wu M., Tang Y., Hackl G., Nitzl G.: Open Source CFD Int. Conf., London, UK, Oct. 29-30 (2012) 1-18.
"Advanced Multiphase Modeling of Solidification with OpenFOAM"

Centrifugal Casting

J105. Bohacek J., Kharicha A., Ludwig A., Wu. M.: ISIJ International, 54 (2014) 266-274.
"Simulation of Horizontal Centrifugal Casting: Mold filling and Solidification"

B17. Kharicha, A., Bohacek, J., Ludwig, A., Wu, M.: in "CFD Modeling and Simulation in Materials Processing", ISBN 978-1-11829-615-8, Eds.: Nastac L. et al, Wiley, Hoboken, New Jersey, (2012) 227-34.
"Vibration induced flow in a horizontal centrifugal casting"

C130. Bohacek J., Ludwig A., Kharicha A.: 5th Conf. "STEELSIM 2013", Sept. 10-12, 2013, Ostrava, CZ
"Numerical study of horizontal centrifugal casting of HSS work roll"

C120. Bohá?ek J., Kharicha A., Ludwig A., Wu M.: MCWASP XIII (13th Modeling of Casting, Welding and Adv. Solidification Processes) Schladming, Austria, 17-22 June (2012), Eds.: A. Ludwig, M. Wu, A. Kharicha, IOP Conf. Series: Mater. Sci. Eng. 33 (2012) 012032.
"Shallow Water Model for Horizontal Centrifugal Casting"

Thermodynamics

J94. Ludwig A., Grasser M., Schillinger W.: World of Metallurgy, 65 (2012) 117-25.
"Experimental investigation on the ternary phase diagram Cu-Sn-P"

J93. Grasser M., Ludwig A., Schillinger W.: Int. J. Materials Research, 103 (2012) E1–7.
"Thermodynamic description of the system Cu-Sn-P: experimental and numerical invigation"

Copper Electrorefining

C128. Kemminger A., Ludwig A.: European Metallurgy Conference 2013 (EMC2013), June 23-26, Weimar, Germany (2013) pp. 795-806.
"Modelling the Electrolyte Flow in a Full-Scale Copper Electrorefining Tankhouse Cell"