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Scientific Assistant

M.Sc. Kerstin Möhring

Main activities

  • X-ray diffraction (XRD)
  • Electron backscatter diffraction (EBSD)
  • Particle Quantification Analysis
  • In-situ tensile/bending mechanical analysis in scanning electron microscope
  • Axial-torsional fatigue testing
  • Radiation protection commissioner
  • Coordination room and construction arrangements

Overview of research projects in group steels

Publications and presentations

11) Hajavifard, R.; Afzal, M. J.; Möhring, K.; Buhl, J.; Walther, F.:
Characterisation of phase transformation and induced residual stresses in incrementally formed disc springs : an experimental and numerical study.
4. Symposium Materialtechnik, (2021) 1-15. https://doi.org/10.21268/20210518-0 - Download

10) Otto, J. L.; Penyaz, M.; Möhring, K.; Gerdes, L.; Schaum, T.; Ivannikov, A.; Schmiedt-Kalenborn, A.; Kalin, B.; Walther, F.:
Microstructure, residual stresses, and strain-rate-dependent deformation and fracture behavior of AISI 304L joints brazed with NiCrSiB filler metals.
Metals 11 (4), 593 (2021) 1-24. https://doi.org/10.3390/met11040593 - Download

9) Langenfeld, K.; Möhring, K.; Walther, F.; Mosler, J.:
Modeling gradient-enhanced anisotropic ductile damage: Application to low cycle fatigue.
Proceedings in Applied Mathematics & Mechanics 20, 1 (2021) 1-2. https://doi.org/10.1002/pamm.202000157 - Download

8) Möhring, K.; Walther, F.:
Performance-related characterization of forming-induced initial damage in 16MnCrS5 steel under a torsional forward-reverse loading path at LCF regime.
Materials 13 (11), 2463 (2020) 1-17. https://doi.org/10.3390/ma13112463 - Download

7) Möhring, K.; Walther, F.:
Load direction-dependent influence of forming induced initial damage on the fatigue performance of 16MnCrS5 steel.
Materials 13 (12), 2680 (2020) 1-19. https://doi.org/10.3390/ma13122680 - Download

6) Awd, M.; Labanie, F.; Möhring, K.; Fatemi, A.; Walther, F.:
Towards deterministic computation of internal stresses in additively manufactured materials under fatigue loading: Part I.
Materials 13 (10), 2318 (2020) 1-15. https://doi.org/10.3390/ma13102318 - Download

5) Wang, S.; Dunlap, A.; Möhring, K.; Lohmar, J.; Schwedt, A.; Aretz, A.; Walther, F.; Hirt, G.:
Torsion plastometer trials to investigate the effect of non-proportional loading paths in caliber rolling on damage and performance of metal parts.
Production Engineering Research and Development 14 (2020) 1, 17-32. https://doi.org/10.1007/s11740-019-00949-5

4) Liebsch, C.; Möhring, K.; Lohmar, J.; Walther, F.; Hirt, G.:
Investigation on the influence of damage on the fatigue strength of hot rolled sheet metal.
Production Engineering Research and Development 14 (2020) 1, 65-75. https://doi.org/10.1007/s11740-019-00933-z

3) Langenfeld, K.; Schowtjak, A.; Schulte, R.; Hering, O.; Möhring, K.; Clausmeyer, T.; Ostwald, R.; Walther, F.; Tekkaya, A.E.; Mosler, J.:
Influence of anisotropic damage evolution on cold forging.
Production Engineering Research and Development 14 (2020) 1, 115-121. https://doi.org/10.1007/s11740-019-00942-y

2) Langenfeld, K.; Möhring, K.; Walther, F.; Mosler, J.:
On the regularization for ductile damage models.
PAMM·Proceedings in Applied Mathematics and Mechanics 19, 1 (2019) 1-4. https://doi.org/10.1002/pamm.201900003 - Download

1) Langenfeld, K.; Möhring, K.; Walther, F.; Mosler, J.:
Regularizational approach for modeling ductile damage.
ICMFF12 - 12th International Conference on Multiaxial Fatigue and Fracture 300 (2019) 08008 1-8. https://doi.org/10.1051/matecconf/201930008008

 

 

List of all publications

1) Hajavifard, R. (V.); Afzal, M. J.; Möhring, K.; Buhl, J.; Walther, F.:
Characterisation of phase transformation and induced residual stresses in incrementally formed disc springs - an experimental and numerical study.
4. Symposium Materialtechnik des Clausthaler Zentrums für Materialtechnik, Web-Konferenz, 25.-26. Febr. (2021).

 

List of all presentations

Location & approach

The campus of TU Dort­mund University is located close to interstate junction Dort­mund West, where the Sauerlandlinie A45 (Frankfurt-Dort­mund) crosses the Ruhrschnellweg B1/A40. The best interstate exit to take from A45 is "Dort­mund-Eichlinghofen (6)" (closer to Campus Süd), and from B1/A40 "Dort­mund-Barop (44)" (closer to Campus Nord). Signs for the uni­ver­si­ty are located at both exits. Follow the signs towards Campus-Süd.

The Department of Materials Test Engineering (WPT) is located in the "Maschinenbau III" building, which can be reached via entrance 41, where parking spaces are available. The secretariat is located on the third floor in E 03 - room 3.027.

For the approach to the TU Dort­mund University you will find the navigation on Google Maps.

Address for navigation devices:

Baroper Straße 303

D-44227 Dortmund

Germany

TU Dort­mund University has its own train station ("Dort­mund Uni­ver­si­tät"). From there, suburban trains (S-Bahn) leave for Dort­mund main station ("Dort­mund Hauptbahnhof") and Düsseldorf main station via the "Düsseldorf Airport Train Station" (take S-Bahn number 1). The uni­ver­si­ty is easily reached from Bochum, Essen, Mülheim an der Ruhr and Duisburg. From there, Campus Süd, where the Department of Materials Test Engineering (WPT) is located, can be reached in five minutes via the H-Bahn in the direction of "Eichlinghofen" or "Campus Süd".

After leaving the H-Bahn station "Campus Süd" cross the small street and go straight forward. Take the stairs (elevator on the left side).
Turn right directly under the canopy, go approximately 200 m, the Building "Maschinenbau III" is at the end of the path.

The office is located on the third floor in E03 - room 3.027.

Dortmund's public transport company DSW21 offers an interactive route network map with timetable information.

The AirportExpress is a fast and convenient means of transport from Dort­mund Airport (DTM) to Dort­mund Central Station, taking you there in little more than 20 minutes. From Dort­mund Central Station, you can continue to the uni­ver­si­ty campus by interurban railway (S-Bahn). A larger range of in­ter­na­tio­nal flight connections is offered at Düsseldorf Airport (DUS), which is about 60 kilometres away and can be directly reached by S-Bahn from the uni­ver­si­ty station.

The H-Bahn is one of the hallmarks of TU Dort­mund University. There are two stations on Campus Nord. One ("Dort­mund Uni­ver­si­tät S") is directly located at the suburban train stop, which connects the uni­ver­si­ty directly with the city of Dort­mund and the rest of the Ruhr Area. Also from this station, there are connections to the "Technologiepark" and (via Campus Süd) Eichlinghofen. The other station is located at the dining hall at Campus Nord and offers a direct connection to Campus Süd every five minutes.

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