Christof Sommitsch

Univ.-Prof. Dipl.-Ing. Dr.techn.

1994 …2023
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Research Output 1994 2019

Conference contribution

Creep strength and microstructural evolution of 9-12% Cr heat resistant steels during creep exposure at 600°C and 650°C

Mendez Martin, F., Panait, C. G., Bendick, W., Albu, M., Sonderegger, B., Sommitsch, C., Gourgues-Lorenzon, A-F., Besson, J. & Fuchsmann, A., 2010, 9th Liege Conference on Materials for Advance Power Engineering. ., p. 261-271

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Das österreichische Kompetenznetzwerk für Fügetechnik K-Porjekt JOIN4+

Enzinger, N. & Sommitsch, C., 2012, Tagungsband 8. Chemnitzer Symposium Füge- und Schweißtechnik. Chemnitz: Universitätsverlag Chemnitz, p. 27-32

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Deformation and distortion induced by pneumatic impact treatment (PIT) in a welded joint for HS steel

Rahman, M. M., Enzinger, N. & Sommitsch, C., 2011, Proceedings of teh IWOTE'11: International Workshop on Thermal Forming and Welding Distortion. Bremen: BIAS Verlag, Vol. 41. p. 203-214 (Strahltechnik).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Design of a roll test bench for investigating thermo-mechanical tool wear

Domitner, J., Stern, T., Leitner, A. T., Aigner, M., Paar, A., Trickl, T., Elizondo, L. & Sommitsch, C., 2019, Proceedings of the TOOLING 2019 Conference.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Determination of parameters for modeling the fracture behavior of aluminum alloy welds in car body structures

Grünbart, F., Silvayeh, Z., Domitner, J., Fellner, B. & Sommitsch, C., 2019, Proceedings of the 72nd IIW Annual Assembly and International Conference. p. 147-1-6

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Development of high creep resistant MARBN steels for forged components in high efficient power plants

Plesiutschnig, E., Zeiler, G., Sommitsch, C. & Beal, C., 2017, Proceedings - 20th International Forgemasters Meeting - IFM 2017. p. 115-123

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Steel
Power plants
Creep
Heat treatment
Recovery

Development of microstructure in forging alloy 718

Harrer, O-K., Sommitsch, C., Wallner, S. & Wieser, V., 2005, International Conference of Simulation and Modelling of Metallurgical Processes in Steelmaking. ., p. 463-471

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Direct observation of the crack tip deformation and the crack closure

Pippan, R., Bichler, C., Sommitsch, C. & Kolednik, O., 1996, Fatigue ´96 – Proceedings of the 6th International Fatigue Congress. Oxford: Pergamon, p. 411-416

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Dissimilar Electron Beam Welding of Nickel base Alloy 625 and 9% Cr Steel

Wiednig, C. A., Lochbichler, C., Enzinger, N., Beal, C. & Sommitsch, C., 2014, First International Conference on Structural Integrity.. ., p. 225-236

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

DualBeam FIB application of 3D EDXS for superalloy δ-phase characterization

Wagner, J., Schaffer, M., Schröttner, H., Mitsche, S., Letofsky-Papst, I., Stotter, C. & Sommitsch, C., 2008, European Microscopy Congress. Berlin: Springer, Vol. Volume1. p. 687-688 (Instrumentation and Methods).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Ductile fracture analysis with damage models of effective stresses at high temperatures

Sommitsch, C. & Rüf, G., 2005, International Conference on Technology of Plasticity. ., p. 327-328

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Dynamische Rekristallisation von Nickelbasis-Legierungen, Bildanalytische Methoden und EBSD

Sommitsch, C., Pölt, P., Mitsche, S. & Walter, M., 2005, Sommerschule Schmiedetechnik. Leoben: Lehrstuhl für Umformtechnik, p. 113-125

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

EBSD – and the recrystallisation of Ni-base-alloys

Pölt, P., Mitsche, S., Sommitsch, C. & Walter, M., 2004, Proceedings of the 13th European Microscopy Congress. Liège: Belgian Soc. for Microscopy, p. 695-696

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

EBSD - Some experimental and some fundamental problems

Pölt, P., Mitsche, S. & Sommitsch, C., 2007, Proc. Electron Backscatter Diffraction 2007. ., p. 1-2

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Effect of Friction Stir Welding on Microstructure and Properties of Micro-TiO_2 doped HSLA Steel

Pouriamanesh, R., Dehghani, K., Hütter, A., Vallant, R., Enzinger, N. & Sommitsch, C., 2016, 41th CWS International conference Welding 2016. Opatija, p. 46-55

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Effect of Melting on the Hot Ductility of Continuously Cast Steels

Caliskanoglu, O., Zamberger, S., Beal, C. & Sommitsch, C., 2015, The 6th International Congress on the Science and Technology of Steelmaking (ICS2015). Peking: China Machine Press, p. 512-515

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Effect of V on the phase amounts and the composition of MC carbides in Indefinite Chill alloys.

Paar, A., Trickl, T., Aigner, M., Schneider, R. & Sommitsch, C., 2019, Proceedings of the 11th International Conference of Tooling, May 12-16 2019. p. paper nr. 26

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Electron beam process for the production of model alloys

Sommitsch, C., Wiednig, C. A., Spenger, T., Enzinger, N., Hofer, F. & Simic, S., 2016, Beam Technologies & Laser Application. St. Petersburg: Publishing house SpbSPU, p. 75-81

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Elektronenstrahlschweißen - Schlüsseltechnologie für High-End Anwendungen

Tändl, J., Beal, C., Enzinger, N. & Sommitsch, C., 2012, Internationaler Fachkongress der Schweiß- und Verbindungstechnik JOIN-EX. ., p. ---

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Entwicklung der Gefügestruktur und Beurteilung der effektiven Dehnung bei der Warmumformung

Candic, M., Tian, B., Kleber, S. & Sommitsch, C., 2007, Verformungskundliches Kolloquium. ., p. 151-157

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Entwicklung eines Warmstauchversuchs als Grundlage für die Beschreibung des Schädigungsverhaltens einer Nickel-Basis-Superlegierung

Rüf, G., Sommitsch, C. & Buchmayr, B., 2005, Verformungskundliches Kolloquium. Lehrstuhl f. Umformtechnik, p. 139-155

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Evolution of beta grain size during beta phase processing of Ti-6A1-4V

Krumphals, A., Stockinger, M., Warchomicka, F. & Sommitsch, C., 1 Dec 2012, Ti 2011 - Proceedings of the 12th World Conference on Titanium. Vol. 1. p. 493-496 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Microstructure
Processing
Aircraft
Forging
Cost reduction

Evolution of Beta Grain Size During Beta Phase Processing of Ti-6Al-4V

Krumphals, A., Stockinger, M., Warchomicka, F. & Sommitsch, C., 2012, Proceedings of the 12th World Conference on Titanium. Beijing: Science Press, Vol. Volume I. p. 493-496

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Experimental investigations on single-sided CMT welding of hybrid aluminum-steel blanks

Silvayeh, Z., Vallant, R., Sommitsch, C., Götzinger, B. & Karner, W., 2016, Proceedings of the 10th International Conference on Trends in Welding Research. p. 32 - 35

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Welding
Aluminum
Intermetallics
Optical microscopy
Steel

Experimentelle Validierung von FEM-Rechnungen zur Spannungs- und Temperaturanalyse von Werkzeugen beim Kupfer-Strangpressen

Krumphals, F., Planitzer, F., Redl, C. & Sommitsch, C., 2007, Verformungskundliches Kolloquium. ., p. 35-41

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Fast automated 3D EDXS Mapping

Wagner, J., Mitsche, S., Letofsky-Papst, I., Schröttner, H. & Sommitsch, C., 2009, Instrumentation and Methodology. Wien: Facultas, p. 81-82

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Fatigue Life Extension by Crack Repair Using Double Stop-Hole Technique

Ayatollahi, M. R., Razavi, S. M. J., Sommitsch, C. & Moser, C., 2017, Materials Science Forum. Switzerland: Trans Tech Publications Ltd., Vol. 879. p. 3-8

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

FEM - gekoppelte Simulation der Mikrostruktur bei Umformprozessen

Wasle, G., Lind, C., Buchmayr, B. & Sommitsch, C., 2002, Tagungsband zum XXI. Verformungskundlichen Kolloquium. Leoben: VKH Leoben, p. 65-73

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

FEM Modelling of Cross Rolling using Damage Mechanics

Pschera, R., Klarner, J. & Sommitsch, C., 2008, Metal forming 2008. Düsseldorf: Verl. Stahleisen, p. 349-356 (Steel research international ; special ed.).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

FE-Modelling of the Cross-Rolling-Piercing Process with Discher Discs

Pschera, R., Klarner, J. & Sommitsch, C., 2007, International Conference of Simulation and Modelling of Metallurgical Processes in Steelmaking. ., p. 313-317

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Ferritische Phasenumwandlung zur Verbesserung der Kriecheigenschaften von martensitischen 9 - 13 % Cr Stählen

Plesiutschnig, E., Sommitsch, C., Zeiler, G. & Paul, S., 2015, 38. Vortragsveranstaltung Langzeitverhalten warmfester Stähle und Hochtemperaturwerkstoffe. Düsseldorf: Forschungsvereinigung Warmfeste Stähle und Hochtemperaturwerkstoffe, p. 1-8

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Finite-Elemente-Analyse der Reibungsbedingungen beim Schrägwalzen mit Diescherscheiben

Pschera, R., Klarner, J. & Sommitsch, C., 2007, Seminar "Rohrherstellung und -verarbeitung". ., p. 59-69

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Fracture behavior of welded T-joints of aluminum alloy EN AW-6063

Silvayeh, Z., Domitner, J., Grünbart, F., Götzinger, B. & Sommitsch, C., 2019, (Submitted) Proceedings of the 13th International Conference on Numerical Methods in Industrial Forming Processes.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Friction stir welding of magnesium and steel in car body engineering

Figner, G., Weinberger, T., Schneider, C., Sommitsch, C., Enzinger, N. & Cerjak, H-H., 2011, Joining in Car Body Engineering 2011. ., p. 113-128

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

From ICDP to (graphitized) HSS: Sophisiticated work roll grades for highest demands in rolling mills for flat products

Armin, P., Brandner, M., Trickl, T., Elizondo, L., Beal, C. & Sommitsch, C., 2016, 10th International Rolling Conference and the 7th European Rolling Conference . Buchmayr, B. (ed.). ASMET, Austrian Society for Metallurgy and Materials

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Gefügemodelle für die Warmformgebung

Sommitsch, C. & Buchmayr, B., 2005, Freiberger Forschungsforum - Berg- und Hüttenmännischer Tag. ., p. 16-26

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Gekoppelte physikalische und numerische Simulation zur Optimierung von thermo-mechanischen Umformprozessen

Sommitsch, C. & Buchmayr, B., 2007, Workshop "Moderne thermomechanische Prozessstrategien in der Stahlumformung". Kurt Steinhoff, SFB/Transregio 30, Stahlinstitut VDEh, p. 89-99

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Gekoppelte Umform- und Gefügesimulation beim Radial- und Gesenkschmieden

Harrer, O-K., Sommitsch, C. & Buchmayr, B., 2008, Simulation von Umformprozessen. Inst. für Metallformung, p. 18-27

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Grain-subgrain structure analyses of hot deformed superalloy Allvac 718plusTM by EBSD

Mitsche, S., Sommitsch, C., Huber, D., Pölt, P. & Stockinger, M., 2009, Materials Science. Wien: Facultas, p. 257-258

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

HOT DUCTILITY BEHAVIOR OF A CONTINUOUSLY CAST Ti-Nb MICROALLOYED STEEL

Hoflehner, C., Beal, C., Sommitsch, C., Six, J. & Ilie, S., 15 Nov 2019, METAL 2019: 28th International Conference on Metallurgy and Materials ; proceedings. Ostrava: TANGER Ltd., Ostrava, p. 84 - 89 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Ductility
Testing
Grain boundary sliding
Steel
Continuous casting

Improvement of the corrosion behaviour of AZ91 via friction stir processing

Huemer, W., Hahn, C., Hütter, A., Valiant, R. & Sommitsch, C., 1 Jan 2015, European Corrosion Congress, EUROCORR 2015. Austrian Society for Metallurgy and Materials (ASMET), p. 1156-1165 10 p. (European Corrosion Congress, EUROCORR 2015; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Influence of the E-coating process on the mechanical properties of aluminum welds

Silvayeh, Z., Fellner, B., Hartmann, M. & Sommitsch, C., 2018, Proceedings of the International Conference on Experimental Solid Mechanics 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Influence of thermal history on the hot ductility of Ti-Nb a microalloyed steels

Hoflehner, C., Sommitsch, C., Ramskogler, C., Six, J. & Ilie, S., 13 Jun 2018, 7th International Congress on Science and Technology of Steelmaking.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Influence of Thermal History on the Hot Ductility of Ti-Nb Microalloyed Steels

Beal, C., Caliskanoglu, O., Sommitsch, C., Ilie, S., Six, J. & Dománková, M., 2016, Materials Science Forum. Trans Tech Publications Ltd., Vol. 879. p. 199 - 204

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

INFLUENCING WELDING RESIDUAL STRESSES OF HSS BY MECHANICAL POST WELD TREATMENTS

Rahman, M. M., Hütter, A., Enzinger, N. & Sommitsch, C., 2010, (Accepted/In press) IDDRG Conference. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Interaction of the Precipitation Kinetics of Delta and Gamma Prime Phases in Ni-Base Superalloy ATI Allvac 718 Plus

Radis, R., Zickler, G. A., Stockinger, M., Sommitsch, C. & Kozeschnik, E., 2009, Proceedings Thermec 2009 - International Conference on Processing & Manufacturing of Advanced Materials. ., p. 2712-2717

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Interaction of the precipitation kinetics of δ and γ' phases in nickel-base superalloy ATI Allvac® 718Plus™

Radis, R., Zickler, G. A., Stockinger, M., Sommitsch, C. & Kozeschnik, E., 9 Feb 2010, THERMEC 2009. p. 2712-2717 6 p. (Materials Science Forum; vol. 638-642).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

interfacial energy
heat resistant alloys
Nickel
Superalloys
Interfacial energy

Investigation and numerical modelling of extrusion tool life time

Sommitsch, C., Redl, C., Wieser, V., Wlanis, T., Schützenhöfer, W., Gaudin, S. & Geigges, B., 2006, International Tooling Conference. ., p. 589-596

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Open Access
File

Investigation of Micro-Crack propagation tn the Nickel based alloy 80A during hot forming by 3D-EBSD

Mitsche, S., Jantscher, K., Sommitsch, C. & Pölt, P., 2012, Electron Probe Microanalysis of Materials Today. ., p. 358-358

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Open Access
File

Investigation of pre-existing pores in creep loaded 9Cr steel

Yadav, S. D., Rosc, J., Sartory, B., Brunner, R., Sonderegger, B., Sommitsch, C. & Poletti, M. C., 2014, 3DMS 2014 - Proceedings of the 2nd International Congress on 3D Materials Science. Hoboken, NJ, USA: John Wiley & Sons, Inc, p. 85-90 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Steel
Creep
Cavitation
Tomography
Agglomeration