2021

• Popp J., Kleffel T., Römisch D., Papke T., Merklein M., Drummer D.:
  Fiber Orientation Mechanism of Continuous Fiber Reinforced Thermoplastics Hybrid Parts Joined with Metallic Pins
  In: Applied Composite Materials (2021)
  ISSN: 0929-189X
  DOI: 10.1007/s10443-021-09892-0
• Popp J., Wolf M., Mattner T., Drummer D.:
  Energy Direction in Ultrasonic Impregnation of Continuous Fiber-Reinforced Thermoplastics
  In: Journal of Composites Science 5 (2021), Art.Nr.: 239
  ISSN: 2504-477X
  DOI: 10.3390/jcs5090239
• Römisch D., Popp J., Drummer D., Merklein M.:
  Joining of CFRT-steel hybrid parts via hole-forming and subsequent pin caulking
  In: Production Engineering (2021)
  ISSN: 0944-6524
  DOI: 10.1007/s11740-021-01093-9

2020

• Mattner T., Popp J., Kleffel T., Gröschel C., Drummer D.:
  High Speed Forming of Continuous Fiber Reinforced Thermoplastics
  In: Applied Composite Materials (2020)
  ISSN: 0929-189X
  DOI: 10.1007/s10443-020-09794-7