Feasibility Study of an Injection Molded Long Glass Reinforced Thermoplastic Bumper Beam

Paper #:
  • 900422

Published:
  • 1990-02-01
Citation:
Andrews, C., "Feasibility Study of an Injection Molded Long Glass Reinforced Thermoplastic Bumper Beam," SAE Technical Paper 900422, 1990, https://doi.org/10.4271/900422.
Author(s):
Pages:
19
Abstract:
The ability to injection mold thermoplastic reinforced with long glass fibers, in the range of .5 inches (12.7 mm) and with contents of up to 60% by weight, has increased the options for selecting structural materials The work reported is in support of developing technology that can be applied to bumper beam applications with possible translation to structural design of other applications. The primary focus of this work was to examine the feasibility of designing a bumper beam for a vehicle which would employ the use of energy absorbers. This design was to be based on the use of nonlinear finite element analysis to develop procedures for future design work. The effect of attachment constraints on the behavior of the basic bumper beam is examined to obtain data that can be provided to the automotive design engineer considering the use of a plastic bumper beam. Comparison is made with both a basic bumper beam design and one which incorporates features such as molded in ribs and parking light openings.
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