Comparison of Strain Rates of Dart Impacted Plaques and Pendulum Impacted Bumpers 870106
The difference in strain rates prevailing during pendulum impact of bumpers versus high speed dart impact of plaques was investigated. Uni-axial strain gages were applied to the tension side of the plaques and bumpers directly opposite the point of impact. The plaques were impacted with an instrumented high rate dart impact tester and the bumpers impacted with a full scale bumper pendulum impact tester. Theoretical calculations and actual strain rate data support the conclusion that the strain rate of a plaque during dart impact significantly exceeds that of bumper strain rate during pendulum impact.
Citation: Scammell, K., "Comparison of Strain Rates of Dart Impacted Plaques and Pendulum Impacted Bumpers," SAE Technical Paper 870106, 1987, https://doi.org/10.4271/870106. Download Citation
Author(s):
Karen L. Scammell
Affiliated:
Borg-Warner Chemicals Technical Centre
Pages: 12
Event:
SAE International Congress and Exposition
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
SAE 1987 Transactions-V96-87
Related Topics:
Bumpers, fasciae and grilles
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