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Dr.-Ing. Gregory Gerstein



Leibniz Universität Hannover
An der Universität 2, 30823 Garbsen
Tel.: +49 (0)511 762 3907
Fax: +49 (0)511 762 5245
Mail address: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Homepage at the Institute



Projects


Working Groups


Publications

    2019

    • Zeller, S.; Baldrich, M.; Gerstein, G.; Nürnberger, F.; Löhnert, S.; Maier, H.; Wriggers, P.: Material models for the thermoplastic material behaviour of a dual-phase steel on a microscopic and a macroscopic length scale. In: Journal of the Mechanics and Physics of Solids https://doi.org/10.1016/j.jmps.2019.04.012, (2019), in print
    • Bryukhanova, A. A.; Gerstein, G.; Volchok, N. A.; Bryukhanova, Z. A.; Nürnberger, F.: Effect of Low-Temperature Annealings on the Change in the Level of Microdamage of Sheets of the Dual DP-600 Steel. In: Physics of Metals and Metallography, 120(2019)5, pp. 506-512

    2018

    • Gutknecht, F.; Gerstein, G.; Traphöner, H.; Clausmeyer, T.; Nürnberger, F.: Experimental setup to characterize flow-induced anisotropy of sheet metals. In: International Deep Drawing Research Group 37th Annual Conference (Edt.): IOP Conference Series: Materials Science and Engineering, 418(2018), IOP Publishing, published
    • Gerstein, G.; Briukhanov, A.; Gutknecht, F.; Volchok, N.; Clausmeyer, T.; Nürnberger, F.; Tekkaya, A.; Maier, H.: Evaluation of micro-damage by acoustic methods. In: Procedia Manufacturing, (2018)15, pp. 527-534

    2017

    • Gerstein, G.; Besserer, H.; Nürnberger, F.; Barrales-Mora, L. A.; Shvindlerman, L. S.; Estrin, Y.; Maier, H.: Formation and growth of voids in dual-phase steel at microscale and nanoscale levels. In: Journal of Materials Science, 52(2017)8, pp. 4234-4243
    • Gerstein, G.; Clausmeyer, T.; Gutknecht, F.; Tekkaya, A.; Nürnberger, F.: Analysis of dislocation structures in ferritic and dual phase steels regarding continuous and discontinuous loading paths. In: 146th Annual Meeting & Exhibition Supplemental Proceedings (Edt.): The Minerals, Metals & Materials Society TMS 2017, 146(2017), Cham, Switzerland: Springer, pp. 203-210
    • Gerstein, G.; Clausmeyer, T.; Isik, K.; Nürnberger, F.; Tekkaya, A.; Bruchanov, A.; Maier, H.: Experimental analysis of anisotropic damage in dual-phase steel by resonance measurement. In: International Journal of Damage Mechanics , 26(2017)8, pp. 1147-1169
    • Gerstein, G.; Isik, K.; Gutknecht, F.; Sieczkarek, P.; Ewert, J.; Tekkaya, A.; Clausmeyer, T.; Nürnberger, F.: Microstructural characterization and simulation of damage for geared sheet components. In: 36th IDDRG Conference on Materials Modelling and Testing for Sheet Metal Forming (Edt.): Journal of Physics Conference Series, 896(2017), München, Deutschland, published

    2016

    • Gerstein, G.; Bruchanov, A. A.; Dyachok, D. V.; Nürnberger, F.: The effect of texture in modeling deformation processes of bcc steel sheets. In: Materials Letters, 164(2016), pp. 356-359
    • Besserer, H.; Hildenbrand, P.; Gerstein, G.; Nürnberger, F.; Merklein, M.; Maier, H.: Ductile Damage and Fatigue Behavior of Semi-Finished Tailored Blanks for Sheet-Bulk Metal Forming Processes. In: Journal of Materials Engineering and Performance, 25(2016)3, pp. 1136-1142
    • Besserer, H.; Gerstein, G.; Maier, H.; Nürnberger, F.: Specimen Preparation by Ion Beam Slope Cutting for Characterization of Ductile Damage by Scanning Electron Microscopy. In: Microscopy Research and Technique, 79(2016)4, pp. 321-327
    • Isik, K.; Gerstein, G.; Schneider, T.; Schulte, R.; Clausmeyer, T.; Nürnberger, F.; Vucetic, M.; Koch, S.; Hübner, S.; Behrens, B.; Tekkaya, A.; Merklein, M.: Investigations of ductile damage during the process chains of toothed functional components manufactured by sheet-bulk metal forming. In: Production Engineering, 10(2016)1, pp. 5-15
    • Besserer, H.; Gerstein, G.; Dalinger, A.; Jablonik, L.; Rodman, D.; Nürnberger, F.: Ion Beam Processing in the Sample Preparation for the Analysis of Ductile Damage in Deep Drawing Steels. In: Praktische Metallographie, 53(2016)4, pp. 221-236
    • Gerstein, G.; Nürnberger, F.; Maier, H.: Evolution of void shape anisotropy in deformed bcc steels. In: TMS (Edt.): TMS 145. Annual Meeting, Proceedings of the EPD Congress, (2016), Hoboken, New Jersey: John Wiley & Sons, Inc., pp. 173-179
    • Isik, K.; Gerstein, G.; Clausmeyer, T.; Nürnberger, F.; Tekkaya, A.; Maier, H.: Evaluation of Void Nucleation and Development during Plastic Deformation of Dual-Phase Steel DP600. In: Steel Research Int., DOI: 10.1002/srin.201500483, (2016), published
    • Isik, K.; Gerstein, G.; , .; Clausmeyer, T.; Nürnberger, F.; Maier, H.; Tekkaya, A.: Investigations of ductile damage in DP600 and DC04 deep drawing steel sheets during punching. In: Procedia Structural Integrity, 2(2016), pp. 673-680
    • Bryukhanov, A. A.; Gerstein, G.; Dyachok, D. A.; Nürnberger, F.: Effect of deformation texture on the anisotropy of elasticity and damage of two-phase steel sheets. In: The Physics of Metals and Metallography, 117(2016)7, pp. 719-724

    2015

    • Gerstein, G.; Besserer, H.; Nürnberger, F.; Maier, H.: Comparison of the Mechanisms of Void Formation by Plastic Deformation in Single- and Dual-Phase BCC- Steels. In: 2015 TMS Annual Meeting & Exhibition, Proceedings Characterization of Minerals, Metals and Materials, (2015), Hoboken, New Jersey: Wiley, pp. 75-81
    • Zeller, S.; Beese, S.; Gerstein, G.; Isik, K.; Löhnert, S.; Nürnberger, F.; Wriggers, P.; Maier, H.; Tekkaya, A.: Möglichkeiten der simulativen Vorhersage von Temperaturentwicklung und Bauteilversagen infolge plastischer Deformation bei DP600 Bauteilen. In: Tekkaya, A. E.; Liewald, M.; Merklein, M.; Behrens, B.-A. (Edt.): Tagungsband zum 18. Workshop Simulation in der Umformtechnik & 3. Industriekolloquium Blechmassivumformung 2015 - DFG Transregio 73, (2015), Aachen: Shaker Verlag, pp. 113-128
    • Gerstein, G.; Besserer, H.; Jablonik, L.; Dalinger, A.; Nürnberger, F.; Höpner, A.: Präparation plastisch umgeformter Stahlproben durch Ionenstrahlbearbeitung für die Untersuchung von duktiler Schädigung. In: Schneider, G.; Zschech, E.; Petzow, G. (Edt.): Fortschritte in der Metallographie. Berichte der 49. Metallographie-Tagung Dresden, 16. bis 18. September 2015, 47(2015), Sankt Augustin: DGM Inventum, pp. 153-158

    Presentations

      2016

      • 18.02.2016: Gerstein, G.: Evolution of void shape anisotropy in deformed bcc steels, TMS 2016, Nashville, Tennessee

      2015

      • 27.05.2015: Gerstein, G.: The effect of texture in modeling deformation processes of body-centered-cubic steel sheets , 4th International Conference on Material Modeling, Berkeley, California, USA
      • 17.09.2015: Gerstein, G.: Präparation plastisch umgeformter Stahlproben durch Ionenstrahlbearbeitung für die Untersuchung von duktiler Schädigung, 49. Metallographie-Tagung, Dresden