apl. Prof. Dr. Ulf Engel



Organisation


Technische Fakultät
Institute of Manufacturing Technology



Project lead


(TRR 73: Umformtechnische Herstellung von komplexen Funktionsbauteilen mit Nebenformelementen aus Feinblechen - Blechmassivumformung):
C1: Constitutive friction law for the description and optimization of tailored surfaces
Ulf Engel; Prof. Dr.-Ing. Marion Merklein; Prof. Dr.-Ing. Kai Willner
(01/01/2009 - 31/12/2016)


Publications (Download BibTeX)

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Löffler, M., Engel, U., Willner, K., Beyer, F., & Merklein, M. (2018). Investigation of the tribological behaviour of microstructures for controlling the material flow in sheet-bulk metal forming. CIRP Journal of Manufacturing Science and Technology. https://dx.doi.org/10.1016/j.cirpj.2018.05.002
Zahner, M., Andreas, K., Engel, U., & Merklein, M. (2017). Analysis of Production Limits in Manufacturing of Micro Coined Structures. In ASPEN/ASPE 2017 Spring Topical Meeting - Manufacture and Metrology of Structured and Freeform Surfaces for Functional Applications (pp. 82-85). Asian Society for Precision Engineering and Nanotechnology (ASPEN)/American Society for Precision Engineering (ASPE).
Löffler, M., Engel, U., Andreas, K., & Merklein, M. (2017). Identification of tribological mechanisms of shot peened steel surfaces for an application in sheet-bulk metal forming. In Martin Levesque (Eds.), Proceedings of the 13th International Conference on Shot Peening (pp. 67-72).
Kraus, M., Andreas, K., Stellin, T., Engel, U., & Merklein, M. (2017). Modification of Tribological Conditions for Influencing the Material Flow in Bulk Forming of Microparts from Sheet Metal. In AIP Conference Proceedings 1896 (pp. 1-6). AIP Conference Proceedings.
Tremmel, S., Marian, M., Zahner, M., Weschta, M., Engel, U., Wartzack, S., & Merklein, M. (2017). Reibungsreduzierung in EHD-Kontakten durch mikrostrukturierte Bauteiloberflächen - Auslegung, Gestaltung und umformtechnische Herstellung. In Gesellschaft für Tribologie e. V. (Hrg.), Sonderband Abschlusskolloquium "Ressourceneffiziente Konstruktionselemente" SPP 1551 der DFG (pp. 149 - 166). Göttingen.
Tremmel, S., Marian, M., Zahner, M., Weschta, M., Engel, U., Wartzack, S., & Merklein, M. (2017). Reibungsreduzierung in EHD-Kontakten durch mikrostrukturierte Bauteiloberflächen – Auslegung, Gestaltung und umformtechnische Herstellung. In Gesellschaft für Tribologie e.V. (Eds.), 58. Tribologie-Fachtagung. 2017, Son-derband Abschlusskolloquium „Ressourceneffiziente Konstruktionselemente“ SPP 1551 der DFG (pp. 149–166).
Löffler, M., Andreas, K., Engel, U., & Merklein, M. (2016). Applicability of blasted blanks for adaption of tribological conditions in sheet-bulk metal forming. Procedia CIRP, 45, 239-242. https://dx.doi.org/10.1016/j.procir.2016.02.055
Beyer, F., Löffler, M., Willner, K., Engel, U., & Merklein, M. (2016). Enhancement of a Constitutive Friction Law by Considering Plastic Smoothing of Rough Surfaces in Dependency on the Bulk Stresses. Tribology in Industry, 38(2), 163-175.
Gröbel, D., Schulte, R.K., Hildenbrand, P., Lechner, M., Engel, U., Sieczkarek, P.,... Merklein, M. (2016). Manufacturing of functional elements by sheet-bulk metal forming processes. Production Engineering, 10(1), 63-80. https://dx.doi.org/10.1007/s11740-016-0662-y
Stellin, T., Van Tijum, R., & Engel, U. (2016). Modelling and experimental study of a microforging process from metal strip for the reduction of defects in mass production. Production Engineering, 10(2), 103-112. https://dx.doi.org/10.1007/s11740-015-0644-5

Last updated on 2016-05-10 at 02:00