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Vorträge / Presentations

2020

Kusche, C. F., Medghalchi, S., Reclik, T., Freund, M., Al-Samman, T., Kerzel, U., Korte-Kerzel, S., 2020. Combining high resolution and large area imaging with deep learning – A new tool to understand damage in dual phase microstructures. 4th Schöntal Symposium – Dislocation based Plasticity, 01.-06.02.2020, Schöntal, Germany.

Ostwald, R., Kuhl, E., Menzel, A., 2020. Aspects of implementation of regularised continuum damage for complex FE analyses. ESIS Technical Meeting on Numerical Methods (TC8), 23.-24.01.2020, Munich, Germany.

Schowtjak, A., Bode, L., Clausmeyer, T., Tekkaya, A. E., 2020. Robust Framework for the Identification of Fracture Locus Parameters with Application to Metal Forming. International Conference on Plasticity, Damage and Fracture, 03.-09.01.2020, Rivera Maya, Mexico.

Tekkaya, A. E., 2020. Industrial Impact of Damage in Metal Forming. 23rd International ESAFORM Conference on Material Forming, 04.-08.05.2020, Digital.

 

2019

Dunlap, A., 2019. Zyklische in situ Biegeversuche im GK-REM. 7. Treffen der DVM-DGM Arbeitsgemeinschaft „In situ Prüfung im Rasterelektronenmikroskop“, 26.-27.03.2019, Saarbrücken, Germany.

Dunlap, A., Hering, O., Aretz, A., Schwedt, A., Tekkaya, A. E., 2019. Quantification of forming induced ductile damage using automated EDX particle analysis in SEM. 13th International Conference on Damage Assessment of Structures DAMAS 2019, 09.-10.07.2019, Porto, Portugal.

Clausmeyer, T., Isik, K., Schowtjak, A., Hering, O., Meya, R., Tekkaya, A. E., 2019. Duktile Schädigung in der Umformtechnik: Modellierung und Auswirkung auf mechanische Eigenschaften von Komponenten. DVM-Arbeitskreis, 18.02.2019, Aachen, Germany.

Guhr, F., Barthold, F-J., 2019. Damage reduced air bending utilizing load optimization. WCSMO 13, 20.-24.05.2019, Beijing, China.

Kusche, C. F., Reclik, T., Freund, M., Al-Samman, T., Kerzel, U., Korte-Kerzel, S., 2019. Damage in Metal Forming: On the Use of artificial intelligence to expand the reach of experiments. Gordon Research Conference on Physical Metallurgy, 07.-12.07.2019, Manchester, USA.

Kusche, C. F., Reclik, T., Kerzel, U., Al-Samman, T., Korte-Kerzel, S., 2019. Deep-learning assisted damage observations on the microscale – A new viewpoint on microstructural deformation, fracture and decohesion processes. Nanomechanical Testing in Materials Research and Development VII, 29.09.-04.10.2019, Málaga, Spain.

Ostwald, R., Schulte, R., Sprave, L., Menzel, A., 2019. Kombination von regularisierter duktiler Schädigung und Plastizität für die Simulation von Umformprozessen. 143. Norddeutsches Mechanik-Kolloquium, 09.02.2019, Bremen, Germany.

Tian, C., Kirchlechner, C., 2019. Suppressing damage in dual phase steel: Insights from micromechanics. Nanomechanical Testing in Materials Research and Development VII, 29.09.-04.10.2019, Málaga, Spain.

Sprave, L., Menzel, A., 2019. Parameter identification of DP800 based on a gradient-enhanced ductile damage model at finite strains. 6th International Conference on Material Modelling, 26.-28.06.2019, Lund, Sweden.

 

2018

Dunlap, A., 2018. Mechanische & thermische in-situ Untersuchungen im Großkammer-REM. 6. Treffen der DVM-DGM Arbeitsgemeinschaft „In situ Prüfung im Rasterelektronenmikroskop“, 06.-07.03.2018, Berlin, Germany.

Dunlap, A., Hering, O., Aretz, A., Schwedt, A., Tekkaya, A. E., 2018. Microscale study of forming induced physical mechanisms in 16MnCrS5 steel. Materials Science and Engineering Congress (MSE 2018), 26.-28.09.2016, Darmstadt, Germany.

Fohrmeister, V., Mosler, J., 2018. Numerically efficient implementation of rate-independent (gradient enhanced) crystal plasticity. 6th European Conference on Computational Mechanics, 11.-15.06.2018, Glasgow, United Kingdom.

Guhr, F., Barthold, F.-J., Menzel, A., Sprave, L., Liedmann, J., 2018. Shape Optimization for Damage Control. 6th European Conference on Computational Mechanics, 7th European Conference on Computational Fluid Dynamics, 11.-15.06.2018, Glasgow, United Kingdom.

Hering, O., Meya, R., Nick, M., Tekkaya, A. E., Bergs, T., 2018. Schädigung in umgeformten Komponenten. 1. Industriekolloquium des SFB/Transregio 188 „Schädigungskontrollierte Umformprozesse“, 15.11.2018, Dortmund, Germany.

Hirt, G., Wang, S., Liebsch, C., 2018. Beeinflussung der Schädigungsevolution beim Flach- und Kaliberwalzen. 1. Industriekolloquium des SFB/Transregio 188 „Schädigungskontrollierte Umformprozesse“, 15.11.2018, Dortmund, Germany.

Kusche, C. F., 2018. Effiziente Charakterisierung duktiler Schädigung: Ein Verfahrensvergleich. 1. Industriekolloquium des SFB/Transregio 188 „Schädigungskontrollierte Umformprozesse“, 15.11.2018, Dortmund, Germany.

Kusche, C. F., Freund, M., Reclik, T., Kerzel, U., Al-Samman, T., Korte-Kerzel, S., 2018. Damage in DP Steel – statistical in-situ analysis of brittle and ductile mechanisms prior to the onset of fracture. DPG Frühjahrstagung, 12.03.2018, Berlin, Germany.

Kusche, C. F., Freund, M., Reclik, T., Kerzel, U., Al-Samman, T., Korte-Kerzel, S., 2018. Statistical in-situ analysis of ductile damage mechanisms in DP800 Dual-Phase Steel. International Symposium Nano and Micro Scale Damage in Metals, 08.02.2018, Utrecht, The Netherlands.

Langenfeld, K., Junker, P., Mosler, J., 2018. Rate-Dependent Regularization for Material Softening. 10th European Solid Mechanics Conference, 02.-06.07.2018, Bologna, Italy.

Münstermann, S., Clausmeyer, T., Hering, O., Tekkaya, A. E., Samfaß, L., Walther, F., 2018. Methoden zur Bewertung der Leistungsfähigkeit. 1. Industriekolloquium des SFB/Transregio 188 „Schädigungskontrollierte Umformprozesse“, 15.11.2018, Dortmund, Germany.

Ostwald, R., Clausmeyer, T., Schulte, R., Schowtjak, A., 2018. Towards the simulation of complex metal forming processes: combination of regularized damage and contact. Vierte Sitzung der Arbeitsgruppe Simulation des Arbeitskreises Bruchmechanik und Bauteilsicherheit des Deutschen Verbandes für Materialforschung und -prüfung e.V. (DVM), 09.10.2018, Dortmund, Germany.

Ostwald, R., Kuhl, E., Menzel, A., 2018. A computational framework for the simulation of regularized damage. Materials Science and Engineering Congress (MSE 2018), 26.-28.09.2018, Darmstadt, Germany.

Ostwald, R., Kuhl, E., Menzel, A., 2018. Implementation of a gradient-enhanced damage model – a heat equation-based framework. In: Proceedings of the 6th European Conference on Computational Mechanics, Glasgow, United Kingdom.

Samfaß, L., Walther, F., 2018. Mikromagnetische Detektion des Einflusses umformtechnisch induzierter Schädigung auf das Ermüdungsverhalten des Stahls 16MnCrS5. Herbstsitzung 2018 der DGM/DVM-AG Materialermüdung, 25.-26.10.2018, Dortmund, Germany.

Samfaß, L., Walther, F., 2018. The effect of forming-induced damage on fatigue properties of 16MnCrS5 steels. Materials Science and Engineering Congress (MSE 2018), 26.-28.09.2018, Darmstadt, Germany.

Schowtjak, A., Kusche, C., Clausmeyer, T., Al-Samman, T., Korte-Kerzel, S., 2018. Identification of GTN model parameters by macroscopic and microscopic approaches. Materials Science and Engineering Congress (MSE 2018), 26.-28.09.2018, Darmstadt, Germany.

Sprave, L., Menzel, A., 2018. Towards verification of a gradient-enhanced ductile damage model. 41st Solid Mechanics Conference, 27.-31.08.2018, Warsaw, Poland.

Tekkaya, A. E., 2018. SFB/Transregio 188 „Schädigungskontrollierte Umformprozesse“ – Einführung. 1. Industriekolloquium des SFB/Transregio 188 „Schädigungskontrollierte Umformprozesse“, 15.11.2018, Dortmund, Germany.

Tekkaya, A. E., Yin, Q., Traphöner, H., Meya, R., Hering, O., Kolpak, F., Wernicke, S., Heibel, S. Clausmeyer, T., 2018. Advanced Applications of Experimental Mechanics in Metal Forming. 18th International Conference on Experimental Mechanics (ICEM 2018), 04.07.2018, Brussels, Belgium, (Invited Plenary Lecture).

Tian, C., Ponge, D., Kirchlechner, C., 2018. Micromechanical properties of ferrite and martensite in dual phase steel. Chinese Academy of Sciences, 08.11.2018, Shenyang, China.

 

2017

Ben Khalifa, N., Tekkaya, A. E., 2017. Schädigungskontrollierte Umformprozesse. Werkstoffwoche, 27.-29.09.2017, Dresden, Germany.

Fohrmeister, V., Bartels, A., Mosler, J., 2017. A generic variational constitutive update based on hyper-dual numbers: Application to thermomechanical gradient enhanced plasticity. 88th Annual Meeting of the International Association of Applied Mathematics and Mechanics, 06.10.03.2017, Weimar, Germany.

Liedmann, J., Barthold, F.-J., 2017. Design Exploration based upon Internal Structure of Materially Nonlinear Response Sensitivities. 12th World Congress of Structural and Multidisciplinary Optimization, 05.-09.06.2017, Braunschweig, Germany.

Ostwald, R., 2017. A regularized damage formulation for the application in commercial finite element codes. Invited Talk, E. Kuhl Seminar, 30.03.2017, Stanford University, Stanford, USA.

Schowtjak, A., Clausmeyer, T., Tekkaya, A.E., 2017. Identification of model parameters of fracture criteria and damage models for application in cold extrusion. DVM-Arbeitskreis, 24.10.2017, Aachen, Germany.

Tekkaya, A. E., 2017. Damage in metal forming (with special focus on cold extrusion). 50th ICFG Plenary Meeting 2017, 03.-06.09.2017, Shanghai, China.

Tekkaya, A. E., 2017. Damage Controlled Metal Forming Processes: The Collaborative Research Centre TRR188. CEMEF, 03.05.2017, Sophia Antipolis, France.

Tian, C., 2017. Introduction to micromechanics for properties assessment. HTSC, Summer School, 04.09.2017, Falun, Sweden.