Notice: Due to planned maintenance work, the TU Dortmund websites will be unavailable for short periods of time several times on April 17, 2024 between 6:00 p.m. and 8:00 p.m.
We apologize for any inconvenience this may cause and thank you for your understanding.
To content
Department of Mechanical Engineering
Chief Engineer teaching

Dr.-Ing. Dipl.-Wirt.-Ing. Ramona Hölker-Jäger

Key activities

  • Coordination of teaching activities
  • Hot extrusion
  • Additive Manufacturing
  • Rapid Tooling


  • Extrusion Dies with Local Internal Cooling Channels Manufactured by Additive Manufacturing Technologies for Extending the Process Limits in Hot Extrusion