Contributions to newspapers, books and conferences as well as dissertations and project reports

Publications: Lifetime Concepts and Thermomechanics

Dissertations

 

Seifert, T.; Computational methods for fatigue life prediction of high temperature components in combustion engines and exhaust systems, Dissertation; Universität Karlsruhe (TH), 2008 Link

Publications

 

2018-2019

Svoboda, J.; Riedel, H., Modeling of spontaneous transformation of nitrides to Z phase accounting for stress relaxation by diffusion and interface activity, Computational Materials Science 161 (2019) 24-34 Link

Bosch, A.; Schackert, S.; Vormwald, M.; Schweizer, C., Fatigue life of welded joints of AlSi 347 stainless steel under thermomechanical and variable amplitude loading, in Proc. of ASME Pressure Vessels & Piping Conference PVP 2018; American Society of Mechanical Engineers ASME, New York, NY, USA (2018) 8470, 10 Seiten Link

Bosch, A.; Vormwald, M.; Schackert, S.; Schweizer, C., Fatigue life assessment of welded joints made of the stainless steel X6CrNiNb18-10 for thermomechanical and variable amplitude loading, Materialwissenschaft und Werkstofftechnik 49/3 (2018) 316-331 Link

Kessler, B.; Brenner, B.; Dittrich, D.; Maier, G.; Oesterlin, H.; Bendjus, B., Laser-Multi-Pass-Narrow-Gap  welding - A new technology for joining thick-walled components of power stations, VGB PowerTech Journal 1/2 (2018) 74-77 Link

Metzger, M.; Seifert, T., Computational assessment of the microstructure-dependent plasticity of lamellar gray cast iron - Part IV: Assessment of the yield surface after plastic loading, International Journal of Solids and Structures 141-142 (2018) 173-182 Link

Rockenhäuser, C.; Schriever, S.; v.Hartrott, P.; Piesker, B.; Skrotzki, B., Comparison of long-term radii evolution of the S-phase in aluminum alloy 2618A during ageing and creep, Materials Science and Engineering: A 716 (2018) 78-86 Link

Rockenhäuser, C.; von Hartrott, P.; Metzger, M.; Schriever, S.; Augenstein, E.; Karlin, J.; Piesker, B.; Schweizer, C.; Skrotzki, B., Lebensdauerberechnung von Aluminium-Radialverdichterrädern unter Berücksichtigung der Werkstoffalterung, in Tagungsband R583 FVV Frühjahrstagung 2018; Forschungsvereinigung Verbrennungskraftmaschinen e.V., Frankfurt a. M. (2018) 97-130 Link

Vormwald, M.; Bosch, A.; Schackert, S.; Schweizer, C., Fatigue lives of power plant structures due to load sequence effects originating from fluctuating production of renewable energy, MATEC Web Conf. Vol. 188, 5th International Conference of Engineering Against Failure 2018 ICEAF-V 2018; Pantelakis. S.; Koubias, S. (Eds.); EDP Sciences, Les Ulis, France (2018) Art. 02012, 8 Seiten Link

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2017

Eckmann, S.; Schweizer, C.; Characterization of fatigue crack growth, damage mechanisms and damage evolution of the nickel-based superalloys MAR-M247 CC (HIP) and CM-247 LC under thermomechanical fatigue loading using in situ optical microscopy; International Journal of Fatigue 99/Part 2 (2017) 235-241 Link

Friedmann, V.; Maier, G.; Schweizer, C.; Quintus, C., Creep-fatigue lifetime modelling of bellows made of AISI 316, in Proc. of 8th International Conference on Low Cycle Fatigue LCF 8; Beck, T.; Charkaluk, E. (Eds.); Deutscher Verband für Materialforschung- und prüfung DVM e.V., Berlin (2017) 153-158 Link

Kutelia, E.; Dzigrashvili, T.; Kukava, G.; Darsavelidze, I.; Kurashvili, I.; Riedel, H.; Donth, B.; Characterization of physico-mechanical properties of Z-phase strengthened ferritic steels using internal friction measurements in the range 25 ÷ 750˚C; AIP Conference Proceedings 1809/1 (2017) 020030 1-10 Link

Schlesinger, M.; Seifert, T.; Preußner, J.; Experimental investigation of the time and temperature dependent growth of fatigue cracks in Inconel 718 and mechanism based lifetime prediction; International Journal of Fatigue 99/2 (2017) 242-249 Link

Schweizer, C.; Eckmann, S.; Assessment of fatigue crack growth under isothermal and thermomechanical fatigue loading using a time-dependent fracture mechanics approach; in Proc. of LCF8 - 8th International Conference on Low Cycle Fatigue 2017; Beck, T.; Charkakik, E. (Hrsg.); Deutscher Veband  für Materialprüfung e.V. DVM, Berlin (2017) 255-260 Link

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2016

Fischer, C.; Schweizer, C.; Seifert, T.; A crack opening stress equation for in-phase and out-of-phase thermomechanical fatigue loading; International Journal of Fatigue 88 (2016) 178-184 Link 

Friedmann, V.; Maier, G.; Schweizer, C.; Quintus, C.; Creep-fatigue lifetime modelling of bellows made of AISI 316 using advanced models; in Proc. of Fit for future - Energy challenge, materials challenge. 42nd MPA-Seminar 2016 ; MPA Universität Stuttgart MPA; Stuttgart (2016) 13 Seiten Link

Metzger, M.; Seifert, T.; Computational assessment of the microstructure-dependent plasticity of lamellar gray cast-iron-Part III: A new yield function derived from microstructure-based models; International Journal of Solids and Structures 87 (2016) 102-109 Link

Preußner, J.; Peiffer, W.; Piedra, E.; Oeser, S.; Tandler, M.; von Hartrot, P.; Maier, G.; Long-term material tests in liquid molten salts; in Proc. of 8th International Conference on Advances in Materials Technology for Fossil Power Plants 2016; Parker, J.; Shingledecker, J.; Siefert, J. (Eds.); ASM International, Materials Park, OH, USA (2016) 1128-1139 Link

Oesterlin, H.; Maier, G.; Günther, P.; Calculation methods for thick walled components under creep fatigue - review and advanced concepts; in Proc. of ASME 2016 Pressure Vessels & Piping Conference PVP2016, Volume 5: High-Pressure Technology; Karpanan, K. (Ed.); ASME New York, NY, USA (2016) 64021 1-9 Seiten Link

Riedel, H.; Svoboda, J.; A model for strain hardening, recovery, recrystallization and grain growth with applications to forming processes of nickel base alloys; Materials Science and Engineering: A 665 (2016) 175–183 Link

Schweizer, C.; Evolution equations for the C(t)-integral and the crack-tip opening displacement CTOD for elastic–viscoplastic material behavior and temperature dependent material properties; Engineering Fracture Mechanics 157 (2016) 125-140 Link

Speicher, M.; Klenk, A.; Oesterlin, H.; Maier, G.; Schwienherr, M.; Wang, Y.; Scholz, A.; Oechsner, M.; Experimental investigations and numerical simulation accompanying the HWT test loop operation; in Proc. of 8th International Conference on Advances in Materials Technology for Fossil Power Plants 2016; Parker, J.; Shingledecker, J.; Siefert, J. (Eds.); ASM International, Materials Park, OH, USA (2016) 247-259 Link

Svoboda, J.; Fischer, F.D.; Riedel, H.; Kozeschnik, E.; Precipitate growth in multi-component systems with stress relaxation by diffusion and creep; International Journal of Plasticity 82 (2016) 112-126 Link

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2015

Fischer, C.; Schweizer, C.; Seifert, T.; Assessment of fatigue crack closure under in-phase and out-of-phase thermomechanical fatigue loading using a temperature dependent strip yield model; International Journal of Fatigue 78 (2015) 22-30 Link

Kranz, A.; Mohrmann, R.; Lüdenbach, G.; Maier, G.; Oesterlin, H.; Novel high temperature component testing methods with respect to flexible operation and advanced materials; in Proc. of Power-Gen Europe 2015; PennWell Corporation, Tulsa, OK, USA (2015) 14 Seiten

Metzger, M.; Seifert, T.; Computational assessment of the microstructure-dependent plasticity of lamellar gray cast iron - Part I: Methods and microstructure-based models; International Journal of Solids and Structures 66 (2015) 184-193 Link

Metzger, M.; Seifert, T.; Computational assessment of the microstructure-dependent plasticity of lamellar gray cast iron - Part II: Initial yield surfaces and directions; International Journal of Solids and Structures 66 (2015) 194-206 Link

Metzger, M.; Seifert, T.; Schweizer, C.; Does the cyclic J-integral Delta J describe the crack-tip opening displacement in the presence of crack closure?; Engineering Fracture Mechanics 134 (2015) 459-473 Link

Oesterlin, H.; Quintus, C.; Günther, P.; Kranz, A.; Mohrmann, R.; Maier, G.; Creep fatigue assessment revisited - Lessons from the MACPLUS test component; in Tagungsband 41st MPA-Seminar; MPA Universität Stuttgart, Stuttgart (2015) 10 Seiten

Schlesinger, M.; Schweizer, C.; Brontfeyn, Y.; Influences on the thermomechanical fatigue crack growth of the nickel alloy 617; Materials Testing 57/2 (2015) 131-135 Link

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2014

Eckmann, S.; von Hartrott, P.; Finite element modelling of the temperature dependent low cycle fatigue damage mechanism of an AlSi12 type alloy; Materials Science Forum 794-796 (2014) 617-621 Link

Maier, G.; Günther, P.; Oesterlin, H.; Comparison of superheater header designs made of P91 and Alloy 617B under creep-fatigue loading using standard EN 12952 and advanced models; in Proc. of 40th MPA-Seminar 2014: Fit for the Future? - Problems in Material Technology, Design and Life Time Evaluation of Existing and Future Power Plants; Materialprüfungsanstalt Universität Stuttgart MPA, Stuttgart (2014) 20 Seiten Link

Maier, G.; Hübsch, O.; Riedel, H.; Somsen, C.; Klöwer, J.; Mohrmann, R.; Cyclic plasticity and lifetime of the nickel-based Alloy C-263: Experiments, models and component simulation; MATEC Web of Conferences 14, EUROSUPERALLOYS 2014 – 2nd European Symposium on Superalloys and their Applications; Guedou, J.Y. (Ed.) EDP Sciences, Les Ulis, France (2014);  16006 1-6 Link

Metzger, M.; Leidenfrost, M.; Werner, E.; Riedel, H.; Seifert, T.; Lifetime prediction of EN-GJV 450 cast iron cylinder heads under combined thermo-mechanical and high cycle fatigue loading; SAE International Journal of Engines 7/2 (2014) 1073-1083 Link

Oesterlin, H.; Maier, G.; Numerical assessment of thick walled power plant components under creep fatigue load with advanced models for deformation and lifetime; Materials at High Temperatures 31/4 Creep-Fatigue Crack Development Part 2 (2014) 364-369 Link

Schweizer, C.; Schlesinger, M.; Oesterlin, H.; Friedmann, V.; Bednarz, P.; Meilgen, C.; Szwedowicz, J.; Methodology for fatigue crack growth testing under large scale yielding conditions on corner-crack specimens; Engineering Fracture Mechanics 126 (2014) 126-140 Link

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2013

Maier, G.; Riedel, H.; Nieweg, B.; Somsen, C.; Eggeler, G.; Klöwer, J.; Mohrmann, R.; Cyclic deformation and lifetime of alloy 617B during thermomechanical fatigue; Materials at High Temperatures 30/1 (2013) 27-35 Link

Maier, G.; Riedel, H.; Somsen, C.; Cyclic deformation and lifetime of alloy 617B during isothermal low cycle fatigue; International Journal of Fatigue 55 (2013) 126-135 Link

Maier, G.; Schlesinger, M.; Oesterlin, H.; Microstructure, deformation and lifetime of alloy 617B – experiences from different heat treatments and heats; in Proc. of 39th MPA-Seminar: Plant Monitoring and Availability-Component Calculation and Materials Utilisation Materialprüfungsanstalt Universität Stuttgart MPA, Stuttgart: (2013) Presentation 5, 21 Seiten Link

Metzger, M.; Nieweg, B.; Schweizer, C.; Seifert, T.; Lifetime prediction of cast iron materials under combined thermomechanical fatigue and high cycle fatigue loading using a mechanism-based model; International Journal of Fatigue 53 (2013) 58-66 Link

Metzger, M.; Seifert, T.; On the exploitation of Armstrong-Frederik type nonlinear kinematic hardening in the numerical integration and finite-element implementation of pressure dependent plasticity models; Computational Mechanics 52/3 (2013) 515-524 Link

Oesterlin, H.; Maier, G.; Numerical assessment of power plant components by use of mechanism-based material models for deformation and lifetime; in Proc. of 39th MPA-Seminar: Plant Monitoring and Availability-Component Calculation and Materials Utilisation; Materialprüfungsanstalt Universität Stuttgart MPA, Stuttgart (2013) Presentation 6, 12 Seiten Link

Schlesinger, M.; Schweizer, C.; Brontfeyn, Y.; Evaluation of time dependent thermomechanical fatigue crack growth in a nickel alloy for power plant applications; in Proc. of 7th International Conference on Low Cycle Fatigue LCF 2013; Beck, T.; Charkaluk, E. (Eds.); Deutscher Verband für Materialforschung und -prüfung e.V., Berlin (2013) 153-158 Link

Schlesinger, M.; Schweizer, C.; Brontfeyn, Y.; Oesterlin, H.; Experimentelle Ermittlung des thermomechanischen Ermüdungsrisswachstums und theoretische Beschreibung mittels der effektiven zyklischen Rissspitzenöffnung; in Tagungsband Werkstoffprüfung 2013 - Fortschritte in der Werkstoffprüfung für Forschung und Praxis; Christ, H.-J. (Hrsg.); Verlag Stahleisen, Düsseldorf (2013) 193-199 Link

Schweizer, C.; Schlesinger, M.; Isothermal and nonisothermal fatigue crack growth of nickelbase alloy MAR-M247 CC (HIP); in Proc. of 7th International Conference on Low Cycle Fatigue LCF 2013; Beck, T.; Charkaluk, E. (Eds.); Deutscher Verband für Materialforschung und -prüfung e.V., Berlin (2013) 147-152 Link

von Hartrott, P.; Cueva, A.; Ohmenhäuser, F.; Lifetime estimation of high-temperature components made of ferritic sheet metal; MTZ worldwide 74/10 (2013) 66-71 Link

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2010-2012 

Metzger, M.; Seifert, T.; A mechanism-based model for LCF/HCF and TMF/HCF life prediction: multiaxial formulation, finite-element implementation and application to cast iron; Technische Mechanik 32/2-5 (2012) 435-445 Link

Siegele, D.; Fingerhuth, J.; Mrovec, M.; Schuler, X.; Utz, S.; Fischaleck, M.; Scholz, A.; Oechsner, M.; Vormwald, M.; Bauerbach, K.; Schlitzer, T.; Rudolph, J.; Willuweit, A.; Thermal fatigue - Materials modeling; in Tagungsband 38. MPA-Seminar Energieerzeugung und Energieeffizienz - Werkstoffe und Bauteilverhalten; Staatliche Materialprüfungsanstalt MPA, Stuttgart (2012) 106-144 Link

Maier, G.; Riedel, H.; Seifert, T.; Time and temperature dependent cyclic plasticity and fatigue crack growth of the nickel-base Alloy617B – experiments and models; Advanced Materials Research 278 (2011) 369-374 Link

Maier, G.; Svoboda, J.; Modeling of formation of precipitate-free zone; International Journal of Materials Research 101/8 (2010) 997-1002 Link

Schweizer, C.; Seifert, T.; Riedel, H.; Simulation of fatigue crack growth under large scale yielding conditions; Journal of Physics: Conference Series 240/1 (2010) 198-201 Link

Seifert, T.; Maier, G.; Uihlein, A.; Lang, K.-H.; Riedel, H.; Mechanism-based thermomechanical fatigue life prediction of cast iron. Part II: Comparison of model predictions with experiments; International Journal of Fatigue 32/8 (2010) 1368-1377 Link

Seifert, T.; Riedel, H.; Mechanism-based thermomechanical fatigue life prediction of cast iron. Part I: Models; International Journal of Fatigue 32/8 (2010) 1358-1367 Link

Seifert, T.; Schweizer, C.; Schlesinger, M.; Möser, M.; Eibl, M.; Thermomechanical fatigue of 1.4849 cast steel – experiments and life prediction using a fracture mechanics approach; International Journal of Materials Research 101/8 (2010) 942-950 Link

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2008-2009

Maier, G.; Seifert, T.; Riedel, H.; Failure and fatigue life prediction of automotive cast iron materials unter thermomechanical loading; in Proc. of International Conference on Failure Analysis and Repair Welding ICFARW09, Central Metallurgical Research & Development Institute Cairo, Cairo, Egypt (2009) 125-136

Prakash, A.; Lebensohn, R.A.; Simulation of micromechanical behavior of polycrystals: Finite elements versus fast Fourier transforms; Modelling and Simulation in Materials Science and Engineering 17/6 (2009) 064010 1-16 Link

Prakash, A.; Riedel, H.; Modeling the evolution of texture and grain shape in Mg alloy AZ31 using the crystal plasticity finite element method; Computational Materials Science 45/3 (2009) 744-750 Link

Seifert, T.; Schmidt, I.; Plastic yielding in cyclically loaded porous materials; International Journal of Plasticity 25/12 (2009) 2435–2453 Link

Seifert, T.; Riedel, H.; Fatigue life prediction of high temperature components in combustion engines and exhaust systems; Simulation for innovative design : Proc. of 4th European Automotive Simulation Conference EASC 2009; Seibert, K.W.; Jirka, M. (Eds.); ANSYS Canonsburg, PA, USA (2009) 313-324 Link

Seifert, T.; von Hartrott, P.; Riedel, H.; Siegele, D.; Thermomechanical fatigue life prediction of high temperature components; in Tagungsband 35. MPA Seminar 2009 - Werkstoff- & Bauteilverhalten in der Energie- & Anlagentechnik, Staatliche Materialprüfungsanstalt MPA, Stuttgart (2009) 16.1-16.19 Link

von Hartrott, P.; Holmström, S.; Caminada, S.; Pillot, S.; Life-time prediction for advanced low alloy steel P23; Materials Science and Engineering A 510–511 (2009) 175–179 Link

Seifert, T.; Maier, G.; Consistent linearization and finite element implementation of an incrementally objective canonical form return mapping algorithm for large deformation inelasticity; International Journal for Numerical Methods in Engineering 75/6 (2008) 690-708 Link

Seifert, T.; Schmidt, I.; Line-search methods in general return mapping algorithms with application to porous plasticity; International Journal for Numerical Methods in Engineering 73/10 (2008) 1468-1495 Link

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2002-2007

Schenk, T.; Seifert, T.; Brehm, H.; A simple analogous model for the determination of cyclic plasticity parameters of thin wires to model wire drawing; Journal of Engineering Materials and Technology 129/3 (2007) 488-495 Link

Seifert, T.; Schenk, T.; Schmidt I.; Efficient and modular algorithms in modeling finite inelastic deformations: Objective integration, parameter identification and sub-stepping techniques; Computer Methods in Applied Mechanics and Engineering 196/17-20 (2007) 2269-2283 Link

Seifert, T.; Riedel, H.; Pramhas, G.; Bumberger, G.; Lifetime Models for High-Temperature Components; Auto Technology 7 (2007) 34-38 Link

Mohrmann, R.; Seifert, T.; Willeke, W.; Hartmann, D.; Fatigue life simulation for optimized exhaust manifold geometry; SAE Technical Papers SAE-SP 2033, Proc. of SAE World Congress & Exhibition 2006; Society of Automotive Engineers -SAE, Warrendale, PA, USA (2006) 165-172 Link

Seifert, T.; Mohrmann, R.; von Hartrott, P.; Tandler, M.; Riedel, H.; Thermo-mechanical material models for components of engines and power plants; in Proc. of 24th CADFEM Users' Meeting 2006; CAD-FEM GmbH, Grafing (2006) 2.2.1 1-15 Link

Mohrmann, R.; Seifert, T.; Höll, H.; Modelling the TMF-Life of a Salt Bath Experiment With Viscoplastic Constitutive Equations; in Proc. of ASME Pressure Vessels and Piping Conference PVP 2006, Vol. 3: Design and Analysis; Yoon, K. (Ed.), ASME, New York, NY, USA (2005) 317-322 Link

Schmitt, W.; Mohrmann, R.; Riedel, H.; Dietsche, A.; Fischersworring-Bunk, A.; Modelling of the Fatigue Life of Automobile Exhaust Components; in Proc. of Eighth International Fatigue Congress - Fatigue 2002; Blom, A.F. (Ed.) EMAS, Warley, West Midlands, UK (2002) 781-788 Link

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