3D-reinforcement of composite T-joints by means of robot assisted stitching technology

Manuel Herkt, Peter Middendorf, Christian Less, Werner Riedel, Marinus Schouten, Klaus Drechsler

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations


Focus of this paper is to show the manufacturing of reinforced T-joints and give a short outlook on their performance under dynamic strength testing in a specially designed testing facility. Another aspect is the strain rate dependence of the tested samples. These samples were preformed out of non-crimp fabrics (NCF) using a tufting stitching head mounted on an industrial robot. Carbon fibres were used to reinforce the T-joints on the NCF-skin by means of a robot assisted stitching process. These so-called preforms were then cured with RTM 6 Epoxy resin in an autoclave process. These specimens were tested dynamically in a specialized device at Ernst-Mach-Institut (EMI). Results showed an increase in energy absorption and ultimate strength for these samples.

Original languageEnglish
JournalInternational SAMPE Symposium and Exhibition (Proceedings)
StatePublished - 2006
Externally publishedYes
EventSAMPE '06: Creating New Opportunities For The World Economy - Long Beach, CA, United States
Duration: 30 Apr 20064 May 2006


  • Advanced composite materials/structures
  • Applications - Military aircraft
  • Manufacturing/fabrication/processing


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