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M.Sc. Alexander Koch, Group Leader Light Metals

M.Sc. Alexander Koch, Group Leader Light Metals Photo of M.Sc. Alexander Koch, Group Leader Light Metals

Telephone
(+49)231 755-8424

Fax
(+49)231 755-8029

vCard

ORCID iD  orcid

https://orcid.org/0000-0001-7017-133X

Address

Room 2.022

Contents

Main Activities

  • Head Group Light Metals
  • Research and industrial projects Light Metals
  • Laboratory servohydraulic fatigue testing systems
  •  
  • Organization lecture Fatigue Behaviour (FB, MMT)

Publications

  • 7) Teschke, M.; Koch, A.; Walther, F.:
    Comparison of high-temperature compression and compression-compression fatigue behavior of magnesium alloys DieMag422 and AE42.
    Materials 13 (3), 497 (2020) 1-15. https://doi.org/10.3390/ma13030497 Publikation als PDF-Datei anschauen.

  • 6) Koch, A.; Wittke, P.; Walther, F.:
    Computed tomography-based characterization of the fatigue behavior and damage development of extruded profiles made from recycled AW6060 aluminum chips.
    Materials 12(15), 2372 (2019) 1-17. https://doi.org/10.3390/ma12152372 Publikation als PDF-Datei anschauen.

  • 5) Koch, A.; Henkel, T.; Walther, F.:
    Characterization of the anisotropy of extruded profiles based on recycled AW6060 aluminum chips.
    ICSID 2019, Proc. of the 3rd International Conference on Structural Integrity and Durability (2019) 1-5.

  • 4) Koch, A.; Wittke, P.; Walther, F.:
    Characterization of the fatigue and damage behavior of extruded AW6060 aluminum chip profiles.
    Structural Integrity 7 - Mechanical Fatigue of Metals: Experimental and Simulation Perspectives, Editors: Correia, J.; De Jesus, A.; Fernandes, A.; Calçada, R., Springer, Cham, ISBN 978-3-030-13979-7 (2019) 11-17. https://doi.org/10.1007/978-3-030-13980-3_2

  • 3) Tenkamp, J.; Bleicher, K.; Klute, S. Chrzan, K.; Koch, A.; Walther, F.:
    Advanced characterization of the cyclic deformation and damage behavior of Al-Si-Mg cast alloys using hysteresis analysis and alternating current potential drop method.
    Light Metals 2019, Hrsg.: C. Chesonis, Springer, ISBN 978-3-030-05864-7 (2019) 167-175. https://doi.org/10.1007/978-3-030-05864-7

  • 2) Tenkamp, J.; Koch, A.; Knorre, S.; Krupp, U.; Michels, W.; Walther, F.:
    Influence of the microstructure on the cyclic stress-strain behaviour and Fatigue life in hypo-eutectic Al-Si-Mg cast alloys.
    Fatigue 2018, Matec Web of Conferences 165, 15004 (2018) 1-8. https://doi.org/10.1051/matecconf/201816515004

  • 1) Tenkamp, J.; Koch, A.; Knorre, S.; Krupp, U.; Michels, W.; Walther, F.:
    Defect-correlated fatigue assessment of A356-T6 aluminum cast alloy using computed tomography based Kitagawa-Takahashi diagrams.
    International Journal of Fatigue 108 (2018) 25-34. https://doi.org/10.1016/j.ijfatigue.2017.11.003

A collective list of the publications can be reviewed here.

 

Presentations

  • 8) Koch, A. (V.); Henkel, T.; Walther, F.:
    Characterization of the anisotropy of extruded profiles based on recycled AW6060 aluminum chips.
    ICSID 2019, 3rd International Conference on Structural Integrity and Durability, Dubrovnik, Croatia, 04.-07. June (2019).

  • 7) Tenkamp, J. (V.); Bleicher, K.; Klute, S. Chrzan, K.; Koch, A.; Walther, F.:
    Advanced characterization of the cyclic deformation and damage behavior of Al-Si-Mg cast alloys using hysteresis analysis and alternating current potential drop method.
    TMS 2019 Annual Meeting & Exhibition, San Antonio, TX, USA, 10.-14. March (2019).

  • 6) Koch, A. (V.); Wittke, P.; Walther F.:
    Characterization of the fatigue and damage behavior of extruded AW6060 aluminum chip profiles.
    ICMFM19, XIX International Colloquium on Mechanical Fatigue of Metals, Porto, Portugal, 05.-07. Sept. (2018).

  • 5) Tenkamp, J. (V.); Koch, A.; Knorre, S.; Krupp, U.; Michels, W.; Walther, F.:
    Influence of the microstructure on the cyclic stress-strain behaviour and fatigue life in hypo-eutectic Al-Si-Mg cast alloys.
    Fatigue 2018, 12th International Fatigue Congress, Poitiers, France, 27. May-1. June (2018).

  • 4) Tenkamp, J. (V.); Koch, A.; Knorre, S.; Krupp, U.; Michels, W.; Walther, F.:
    Identifikation und Modellierung der Schädigungsmechanismen in Al-Si-Mg-Gusslegierungen im HCF- und VHCF-Bereich.
    DGM-FA Aluminium, AK Schädigungsmechanismen in Al-Produkten, TRIMET Aluminium SE, Essen, 25. April (2018).

  • 3) Koch, A. (V.); Wittke, P.; Walther, F.:
    Computertomografisch unterstützte Charakterisierung des Ermüdungsverhaltens von Späne-Strangpressprofilen der AlMgSi0,5-Legierung.
    DGM-FA Aluminium, AK Schädigungsmechanismen in Al-Produkten, TRIMET Aluminium SE, Essen, 25. April (2018).

  • 2) Tenkamp, J. (V.); Koch, A.; M.; Knorre, S.; Krupp, U.; Michels, W.; Walther, F.:
    Einfluss der Mikrostruktur auf das zyklische Spannungs-Dehnungs-Verhalten und die Lebensdauer der Aluminiumgusslegierung EN AC-AlSi7Mg0,3.
    DGM/DVM-AG Materialermüdung, KME Germany GmbH & Co.KG, Osnabrück, 12.-13. April (2018).

  • 1) Koch, A. (V.); Tenkamp, J.; Walther, F. Knorre, S.; Krupp, U.; Michels, W.:
    Mikrostrukturkorrelierte Charakterisierung des zyklischen Verformungs- und Schädigungsverhaltens der Aluminiumgusslegierung EN AC-AlSi7Mg0,3.
    DGM/DVM-AK Materialermüdung, Universität Duisburg-Essen, Duisburg, 16.-17. Maerz (2017).

A collective list of the presentations can be reviewed here.