Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2020The influence of coverage for high frequency mechanical impact treatment of different steel grades
Schubnell, J.; Eichheimer, C.; Ernould, C.; Maciolek, A.; Rebelo-Kornmeier, J.; Farajian, M.
Journal Article
2020Influence of the optical measurement technique and evaluation approach on the determination of local weld geometry parameters for different weld types
Schubnell, J.; Jung, M.; Le, C.H.; Farajian, M.; Braun, M.; Ehlers, S.; Fricke, W.; Garcia, M.; Nussbaumer, A.; Baumgratner, J.
Journal Article
2020The influence of work hardening and residual stresses on the fatigue behavior of high frequency mechanical impact treated surface layers
Schubnell, J.; Pontner, P.; Wimpory, R.C.; Farajian, M.; Schulze, V.
Journal Article
2020Numerical evaluation of surface welding residual stress behavior under multiaxial mechanical loading and experimental validations
Hemmesi, K.; Mallet, P.; Farajian, M.
Journal Article
2020Residual stress relaxation in HFMI-treated fillet welds after single overload peaks
Schubnell, J.; Carl, E.; Farajian, M.; Gkatzogiannis, S.; Knödel, P.; Ummenhofer, T.; Wimpory, R.; Eslami, H.
Journal Article
2020Validation of the fatigue strength assessment of HFMI-treated steel joints under variable amplitude loading
Leitner, M.; Stoschka, M.; Barsoum, Z.; Farajian, M.
Journal Article
2019Application of different simulation approaches to numerically optimize high-frequency mechanical impact (HFMI) post-treatment process
Ernould, C.; Schubnell, J.; Farajian, M.; Maciolek, A.; Simunek, D.; Leitner, M.; Stoschka, M.
Journal Article
2019Correction to: Fatigue assessment of the welded joints containing process relevant imperfections (Welding in the World, (2019), 63, 2, (249-261), 10.1007/s40194-018-00676-y)
Javaheri, E.; Hemmesi, K.; Tempel, P.; Fenzl, R.; Farajian, M.
Journal Article
2019Determination of the static, dynamic and cyclic properties of the heat affected zone for different steel grades
Schubnell, J.; Discher, D.; Farajian, M.
Journal Article
2019Fatigue assessment of the welded joints containing process relevant imperfections
Javaheri, E.; Hemmesi, K.; Tempel, P.; Fenzl, R.; Farajian, M.
Journal Article
2019The influence of weld imperfections on fatigue strength and the current relevant design guidelines
Farajian, M.; Tempel, P.; Siegele, D.; Keitel, S.; Wagner, S.; Fenzl, R.
Journal Article
2018Fatigue strength assessment of welded mild steel joints containing bulk imperfections
Leitner, Martin; Murakami, Yukitaka; Farajian, Majid; Remes, Heikki; Stoschka, Michael
Journal Article
2018Micromechanical investigation and numerical simulation of fatigue crack formation in welded joints
Beckmann, C.; Kennerknecht, T.; Preußner, J.; Farajian, M.; Luke, M.; Hohe, J.
Journal Article
2018Mikrostrukturbasierte Beschreibung: Rissentstehung in Schweißverbindungen
Beckmann, C.; Preussner, J.; Kennerknecht, T.; Farajian, M.; Luke, M.; Hohe, J.
Journal Article
2018Numerical fatigue life analysis of a high frequency mechanical impact treated industrial component based on damage mechanics models
Schubnell, J.; Farajian, M.; Däuwel, T.; Shin, Y.
Journal Article
2018Numerical welding simulation as a basis for structural integrity assessment of structures: Microstructure and residual stresses
Hemmesi, Kimiya; Farajian, Majid
Book Article
2018PROLIFE - Lebensdauer-Prognosetool für den effektiven Einsatz von mechanischen Oberflächenbehandlungsverfahren zur zuverlässigen Lebensdauerverlängerung von metallischen Komponenten und Strukturen. Abschlussbericht
Farajian, M.; Schubnell, J.; Maciolek, A.; Heidebrecht, T.; Rosenberger, J.; Schunk, J.-P.; Tempel, P.; Luke, M.
Report
2017Application of the critical plane approach to the torsional fatigue assessment of welds considering the effect of residual stresses
Hemmesi, K.; Farajian, M.; Fatemi, A.
Journal Article
2017Einfluss von herstellungsbedingten Ungänzen auf das Werkstoffverhalten von Stahlguss
Tempel, P.; Reißig, L.; Eichheimer, C.; Farajian, M.; Luke, M.; Siegle, D.
Report
2017Experimental investigation and numerical simulation of fatigue crack formation in polycrystalline materials
Hohe, J.; Beckmann, C.; Kennerknecht, T.; Preußner, J.; Farajian, M.; Luke, M.
Journal Article, Conference Paper
2017Numerical and experimental investigations on shot-peened high-strength steel by means of hole drilling, X-ray, synchrotron and neutron diffraction analysis
Farajian, M.; Hardenacke, V.; Pfeiffer, W.; Klaus, M.; Rebelo Kornmeier, J.
Journal Article
2017Numerical studies of welding residual stresses in tubular joints and experimental validations by means of x-ray and neutron diffraction analysis
Hemmesi, K.; Farajian, M.; Boin, M.
Journal Article
2017Strain-based critical plane approach to predict the fatigue life of high frequency mechanical impact (HFMI)-treated welded joints depending on the material condition
Schubnell, J.; Hardenacke, V.; Farajian, M.
Journal Article
2017Surface Engineering: Lebensdauerverlängerung metallischer Komponenten durch mechanische Oberflächenbehandlung
Farajian, M.; Schubnell, J.; Luke, M.
Journal Article
2017Trennung von Spannungs- und Gefügeeinflüssen in der zerstörungsfreien mikromagnetischen Werkstoffcharakterisierung zur Bewertung der Anlagensicherheit. Abschlussbericht
Tschuncky, R.; Rabung, M.; Youssef, S.; Farajian, M.; Luke, M.
Report
2017Zum Einfluss von herstellungsbedingten Ungänzen auf das Festigkeitsverhalten von Bauteilen aus Stahlguss
Siegele, Dieter; Tempel, Peter; Eichheimer, Christian; Farajian, Majid; Veile, Ines
Journal Article
2016High frequency mechanical impact treatment (HFMI) for the fatigue improvement: numerical and experimental investigations to describe the condition in the surface layer
Foehrenbach, J.; Hardenacke, V.; Farajian, M.
Journal Article
2016Mikrostrukturbasierte Beschreibung der Entstehung von Rissen an Defekten in Schweißverbindungen
Beckmann, C.; Kennerknecht, T.; Preußner, J.; Farajian, M.; Siegele, D.; Luke, M.; Sguaizer, Y.; Oeser, S.; Strohmeier, U.; Hohe, J.
Report
2016Modelling and simulation of fatigue crack initiation in metallic joints based on crystal plasticity
Beckmann, C.; Farajian, M.; Siegele, D.; Hohe, J.
Journal Article
2016Numerical and experimental description of the welding residual stress field in tubular joints for fatigue assessment
Hemmesi, K.; Farajian, M.; Siegele, D.
Journal Article
2016Numerische und experimentelle Untersuchung der Rissinitiierungsphase in der Wärmeeinflusszone von Schweißverbindungen
Beckmann, C.; Farajian, M.; Hohe, J.; Kennerknecht, T.; Luke, M.; Preußner, J.
Conference Paper
2016Quantifizierung des Einflusses der Nahtqualität auf die Ermüdungsfestigkeit von Schweißverbindungen
Farajian, M.; Fenzl, R.; Siegele, D.; Beckmann, C.; Tempel, P.; Kranz, B.; Wagner, S.
Report
2016Verfahren und Vorrichtung zum Erzeugen und Nachbehandeln oder nur zum Nachbehandeln von Schweißverbindungen an rotationssymmetrischen Bauteilen
Farajian, Majid
Patent
2015Residual stress relaxation in welded large components
Farajian, M.; Nitschke-Pagel, T.
Journal Article
2015Schädigungsmechanische Modellierung der Rissinitiierungsphase in Schweißverbindungen
Beckmann, C.; Farajian, M.; Hohe, J.; Siegele, D.
Conference Paper
2014Numerical investigation of welding residual stress field and its behaviour under multiaxial loading in tubular joints
Hemmesi, K.; Farajian, M.; Siegele, D.
Conference Paper
2014Numerical studies of shot peening of high strength steels and the related experimental investigations by means of hole drilling, x-ray and synchrotron diffraction analysis
Farajian, M.; Hardenacke, V.; Klaus, M.; Schweizer, F.; Pfeiffer, W.; Siegele, D.
Conference Paper
2014Simulation of the high frequency hammer peening process for improving the fatigue performance of welded joints
Hardenacke, V.; Farajian, M.; Siegele, D.
Conference Paper
2014Welding residual stress behavior in tubular steel joints under multiaxial loading
Farajian, M.; Nitschke-Pagel, T.; Siegele, D.
Journal Article
2013Welding residual stresses in tubular steel joints and their behavior under multiaxial loading
Farajian, M.; Nitschke-Pagel, T.; Siegele, D.
Conference Paper