A brake pedal assembly was selected to demonstrate feasibility of achieving significant weight saving through the use of continuous-reinforced composites. The assembly was designed to (a) meet or exceed the strength and stiffness of steel, (b) have a noncatastrophic failure mode, and (c) have potential for high-volume production. The pedal blade was formed from a hollow graphite/epoxy tube in a matched die mold. Mechanical testing of assemblies showed strength and stiffness exceeding the steel design. On overload, the blade had a desirable failure mode, with progressive ply-by-ply fracture rather than complete brittle fracture. The graphite/epoxy part exceeded all specifications of the steel counterpart at a weight saving of over 50 percent.

  • Supplemental Notes:
    • Prepared for SAE Meeting 26 February-2 March, 1979.
  • Corporate Authors:

    Society of Automotive Engineers (SAE)

    400 Commonwealth Drive
    Warrendale, PA  United States  15096
  • Authors:
    • Kiwak, R S
    • Rusnak, R M
    • FULMER, K H
  • Publication Date: 1979

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00301517
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Report/Paper Numbers: SAE 790393
  • Files: TRIS
  • Created Date: Nov 7 1979 12:00AM