Publications Fatigue

Publications

2020-2021

Gkatzogiannis, S.; Schubnell, J.; Knoedel, P.; Farajian, M.; Ummenhofer, T.; Luke, M., Investigating the fatigue behaviour of small scale and real size HFMI-treated components of high strength steels, Engineering Failure Analysis 123 (2021) Art. 105300, 14 Seiten Link

Hohe, J.; Schober, M.; Fliegener, S.; Weiss, K.-P.; Appel, S., Effect of cryogenic environments on failure of carbon fiber reinforced composites, Composites Science and Technology 212 (2021) 108850 1-13 Link

Jung, M.; Nagel, S.; Toma, E. P.; Farajian, M.; Ummenhofer, T., Fatigue life assessment of cast steel components containing inner defects using a damage parameter based model, InCeight Casting C8; Proc. of 1st Congress for intelligent Combining of Design, Casting, Computer Simulation, Checking and Cyclic Behaviour for efficient Cast Components (InCeight Casting); Bleicher, C.; Kaufmann, H.; Heim, R. (Ed.); Fraunhofer Verlag, Stuttgart (2021) 9-16 Link

Hemmesi, K.; Mallet, P.; Farajian, M., Numerical evaluation of surface welding residual stress behavior under multiaxial mechanical loading and experimental validations, International Journal of Mechanical Sciences 168 (2020) 105127, 17 Seiten Link

Maierhofer, J.; Gänser, H.-P.; Simunek, D.; Leitner, M.; Pippan, R.; Luke, M., Fatigue crack growth model including load sequence effects – Model development and calibration for railway axle steels, International Journal of Fatigue 132 (2020) Art. 105377, 11 Seiten Link

Müssig, J.; Kelch, M.; Gebert, B.; Hohe, J.; Luke, M.; Bahners, T., Improvement of the fatigue behaviour of cellulose/polyolefin composites using photo-chemical fibre surface modification bio-inspired by natural role models, Cellulose 27/10 (2020) 5815-5827 Link

Schubnell, J.; Carl, E.; Farajian, M.; Gkatzogiannis, S.; Knödel, P.; Ummenhofer, T.; Wimpory, R.; Eslami, H., Residual stress relaxation in HFMI-treated fillet welds after single overload peaks, Welding in the World 64/6 (2020) 1107-1117 Link

Schubnell, J.; Eichheimer, C.; Ernould, C.; Maciolek, A.; Rebelo-Kornmeier, J.; Farajian, M., The influence of coverage for high frequency mechanical impact treatment of different steel grades, Journal of Materials Processing Technology 277 (2020) Art. 116437, 18 Seiten Link

Schubnell, J.; Jung, M.; Le, C. H.; Farajian, M.; Braun, M.; Ehlers, S.; Fricke, W.; Garcia, M.; Nussbaumer, A.; Baumgartner, J., Influence of the optical measurement technique and evaluation approach on the determination of local weld geometry parameters for different weld types, Welding in the World 64/2 (2020) 301-316 Link

Schubnell, J.; Pontner, P.; Wimpory, R. C.; Farajian, M.; Schulze, V., The influence of work hardening and residual stresses on the fatigue behavior of high frequency mechanical impact treated surface layers, International Journal of Fatigue 134 (2020) Art. 105450, 14 Seiten Link

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2017-2019

Ernould, C.; Schubnell, J.; Farajian, M.; Maciolek, A.; Simunek, D.; Leitner, M.; Stoschka, M., Application of different simulation approaches to numerically optimize high-frequency mechanical impact (HFMI) post-treatment process, Welding in the World 63/3 (2019) 725-738 Link

Javaheri, E.; Hemmesi, K.; Tempel, P.; Fenzl, R.; Farajian, M., Fatigue assessment of the welded joints containing process relevant imperfections, Welding in the World 63/2 (2019) 249-261 Link

Schubnell, J.; Discher, D.; Farajian, M., Determination of the static, dynamic and cyclic properties of the heat affected zone for different steel grades, Materials Testing 61/7 (2019) 635-642 Link

Beckmann, C.; Kennerknecht, T.; Preußner, J.; Farajian, M.; Luke, M.; Hohe, J., Micromechanical investigation and numerical simulation of fatigue crack formation in welded joints, Engineering Fracture Mechanics 198 (2018) Link

Gröner, L.; Kirste, L.; Oeser, S.; Fromm, A.; Wirth, M.; Meyer, F.; Burmeister, F.; Eberl, C., Microstructural investigations of polycrystalline Ti2AlN prepared by physical vapor deposition of Ti-AlN multilayers, Surface and Coatings Technology 343 (2018) 166-171 Link

Hemmesi, K.; Farajian, M., Numerical welding simulation as a basis for structural integrity assessment of structures: Microstructure and residual stresses, Residual stress analysis on welded joints by means of numerical Link

Leitner, M.; Murakami, Y.; Farajian, M.; Remes, H.; Stoschka, M., Fatigue strength assessment of welded mild steel joints containing bulk imperfections, Metals 8/5 (2018) 306 1-15 Link

Farajian, M.; Hardenacke, V.; Pfeiffer, W.; Klaus, M.; Rebelo Kornmeier, J.; Numerical and experimental investigations on shot-peened high-strength steel by means of hole drilling, X-ray, synchrotron and neutron diffraction analysis; Materials Testing 59/2 (2017) 161-165 Link

Hemmesi, K.; Farajian, M.; Boin, M.; Numerical studies of welding residual stresses in tubular joints and experimental validations by means of x-ray and neutron diffraction analysis; Materials and Design 126 (2017) 339-350 Link

Hemmesi, K.; Farajian, M.; Fatemi, A.; Application of the critical plane approach to the torsional fatigue assessment of welds considering the effect of residual stresses; International Journal of Fatigue 101/Part 2 (2017) 271-28 Link

Schubnell, J.; Hardenacke, V.; Farajian, M.; Strain-based critical plane approach to predict the fatigue life of high frequency mechanical impact (HFMI)-treated welded joints depending on the material condition; Welding in the World 61/6 (2017) 1199–1210 Link

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2015-2016

Beckmann, C.; Farajian, M.; Siegele, D.; Hohe, J.; Modelling and simulation of fatigue crack initiation in metallic joints based on crystal plasticity; Letters in Applied NanoBioScience 5/2 (2016) 354-357 Link

Foehrenbach, J.; Hardenacke, V.; Farajian, M.; High frequency mechanical impact treatment (HFMI) for the fatigue improvement: numerical and experimental investigations to describe the condition in the surface layer; Welding in the World 60/4 (2016) 749-755 Link

Hemmesi, K.; Farajian, M.; Siegele, D.; Numerical and experimental description of the welding residual stress field in tubular joints for fatigue assessment; Welding in the World 60/4 (2016) 741-748 Link

Steier, V.F.; Ashiuchi, E.S.; Reißig, L.; Araújo, J.A.; Effect of a deep cryogenic treatment on wear and microstructure of a 6101 aluminum alloy; Advances in Materials Science and Engineering 2016 (2016) 1582490 1-12 Link

Böhme, W.; Reissig, L.; Capability of new high strength ADI-materials for automotive components under crash loading; Advanced Engineering Materials 17/8 (2015) 1189-1196 Link

Farajian, M.; Nitschke-Pagel, T.; Residual stress relaxation in welded large components; Materials Testing 57/9 (2015) 750-754 Link

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2014 

Beckmann, C.; Farajian, M.; Siegele, D.; Hohe, J.; Modelling and simulation of fatigue crack initiation in welded joints based on crystal plasticity; in Proc. of 67th IIW Annual Assembly & International Conference 2014; International Institute of Welding (Ed.); International Institute of Welding, Paris, Frankreich (2014) XIII-2535-14 1-8 Link 

Farajian, M.; Hardenacke, V.; Klaus, M.; Schweizer, F.; Pfeiffer, W.; Siegele, D.; Numerical studies of shot peening of high strength steels and the related experimental investigations by means of hole drilling, x-ray and synchrotron diffraction analysis; in Proc. of 12th International Conference on Shot Peening ICSP12; Wagner, L. (Ed.); Drukarnia GS, Krakau, Polen (2014) 317-323 Link

Farajian, M.; Hardenacke, V.; Preussner, J.; Pfeiffer, W.; Siegele, D.; Description of the surface and subsurface material conditions after applying high frequency mechanical impact (HFMI) treatment, shot peening and deep rolling; in Proc. of 67th IIW Annual Assembly & International Conference 2014; International Institute of Welding, Paris, Frankreich (2014) paper XIII-2532-14 1-11 Link

Farajian, M.; Nitschke-Pagel, T.; Siegele, D., Welding residual stress behavior in tubular steel joints under multiaxial loading - Schweißeigenspannungsverhalten in Stahlrohrverbindungen unter mehrachsiger Beanspruchung, HTM Journal of Heat Treatment and Materials 69/1 (2014) 6-13 Link

Hardenacke, V.; Farajian, M.; Siegele, D.; Modelling and simulation of the high frequency mechanical impact (HFMI) treatment of welded joints; in Proc. of 67th IIW Annual Assembly & International Conference 2014; International Institute of Welding, Paris, Frankreich (2014) XIII-2533-14 1-10

Hardenacke, V.; Farajian, M.; Siegele, D.; Simulation of the high frequency hammer peening process for improving the fatigue performance of welded joints; in Proc. of 12th International Conference on Shot Peening ICSP12; Wagner, L. (Ed.); Drukarnia GS, Krakau, Polen (2014) 359-364 Link

Hemmesi, K.; Farajian, M.; Siegele, D.; Numerical investigation of welding residual stress field and its behaviour under multiaxial loading in tubular joints; Advanced Materials Research 996 (2014) 788-793 Link 

Reißig, L.; Nofal, A.; Böhme, W.; Reichert, T.; Al Masry, H.; Crash behavior of ADI steering knuckles; in Proc. of 10th International Symposium on the Science and Processing of Cast Iron SPCI 10; Boeri, R.; Massone, J.M.; Rivera, G. (Eds.); INTEMA - UNMdP-CONICET, Mar del Plata, Argentinien (2014) 15-19 Link

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2011-2013

Farajian, M.; Nitschke-Pagel, T.; Siegele, D.; Welding residual stresses in tubular steel joints and their behavior under multiaxial loading; in Proc. of 66th Annual Assembly Conference International Institute of Welding IIW; Deutscher Verband für Schweißen und verwandte Verfahren e.V., Düsseldorf (2013) XIII-2477-13 1-16 Link

Nied, H.F.; Siegele, D., Study of the influence of material and welding modeling on the residual stresses in longitudinal stiffeners, in Proc. of 66th Annual Assembly Conference International Institute of Welding IIW 2013; Deutscher Verband für Schweißen und verwandte Verfahren e.V. (Hrsg.); Deutscher Verband für Schweißen und verwandte Verfahren e.V., Düsseldorf (2013) Paper XIII-2479-13, 22 Seiten Link

Brand, M.; Hohe, J.; Siegele, D.; Numerical investigations on the residual stress field in a cladded plate due to the cladding process; Welding in the World 56/5-6 (2012) 107-113 Link

Wohlfahrt, H.; Nitschke-Pagel, Th.; Dilger, K.; Siegele, D.; Brand, M.; Sakkiettibutra, J.; Loose, T.; Residual stress calculations and measurements – review and assessment of the IIW round robin results; Welding in the World 56/9-10 (2012) 120-140 Link

Siegele, D.; Welding mechanics for advanced component safety assessment; Frontiers of materials science 5/2 (2011) 224-235 Link

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2004-2010

Hohe, J.; Brand, M.; Siegele, D.; Behaviour of sub-clad and through-clad cracks under consideration of the residual stress field; Engineering Fracture Mechanics 77/2 (2010) 217-228 Link

Kumar-Krishnasamy, R.; Siegele, D.; 3D modelling of a multi pass dissimilar tube welding and post weld heat treatment of nickel based alloy and chromium steel; International Journal of Pressure Vessels and Piping 87/11 (2010) 643-649 Link

Hohe, J.; Brand, M.; Siegele, D.; Fracture analysis of cladded components considering residual stresses; PAMM 8/1 Special Issue: 79th Annual Meeting of the International Association of Applied Mathematics and Mechanics GAMM (2008) 10209-10210 Link

Reissig, L.; Czubayko, U.; Wanderka, N.; Völkl, R.; Glatzel, U.; Comparison of oxide measurement techniques in Ti6Al4V; Materials Characterization 55/2 (2005) 153-159 Link

Reissig, L.; Völkl, R.; Mills, M. J.; Glatzel, U.; Investigation of near surface structure in order to determine process temperatures during different machining processing of Ti6A14V; Scripta Materialia 50/1 (2004) 121-126

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