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Stamp Forming of Continuous Fiber/Polypropylene Composites

  • M. Hou
  • K. Friedrich

Abstract

A right angle experimental mold is employed for anisothermal stamp forming of continuous CF/PP composites. Results about the effect of stamping time on the part shape, fiber movement at the bend range and mechanical behaviour of the part are presented. Experimental results showed that (a) a useful stamping time was 15 seconds, (b) fiber movement at the exterior bend range was much more intensive than that at the interior bend range, and (c) two modes of failure- transverse matrix cracking and interlaminar delamination-were observed.

Keywords

Bend Region Fiber Waviness Fiber Movement Stamped Part Transverse Matrix 
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References

  1. 1-.
    Hou M., Friedrich K., Anisothermal Stamp Forming of Thermoplasitc Matrix Composites, paper submitted at the Third International Symposium: Advanced Composites in Emerging Technologies, COMP 90, Univ. of Patras, Greece (1990)Google Scholar
  2. 2-.
    Zahlan N. and O’Neili J.M., Design and Fabrication of Components: the Springforward Phenomenon, Composites, 20 (1989) 77–81CrossRefGoogle Scholar
  3. 3-.
    Kim C.G. et al, Spring-in Deformation of Composite Laminate Bends, private communication with Korea Institute of Machinery and Metal, Changwon, KoreaGoogle Scholar

Copyright information

© Elsevier Science Publishers Ltd 1990

Authors and Affiliations

  • M. Hou
    • 1
  • K. Friedrich
    • 1
  1. 1.Institute for Composite MaterialsUniversity of KaiserslauternKaiserslauternWest-Germany

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