Failure of Aircraft Structural Joints Under Impulse Loading

Paper #:
  • 965584

Published:
  • 1996-10-01
Citation:
Mowery, J., Keener, S., Kuhn, J., Chen, V. et al., "Failure of Aircraft Structural Joints Under Impulse Loading," SAE Technical Paper 965584, 1996, https://doi.org/10.4271/965584.
Pages:
10
Abstract:
Numerical simulations indicate that blast loading on aircraft structural joints can impart loading rates in excess of 10 Mlb/sec (ten million pounds per second, Reference 1). Experimental evidence, on the other hand, suggests that mechanical joint failure loads are highly loading rate dependent; for example, the failure load for a dynamically loaded tension joint can double from its static value. This paper discusses the progress and to-date findings of research on the assessment of strength failure of aircraft structural joints subjected to loading rates expected from an internal explosive detonation, and several associated experimental procedures to generate such dynamic loading. This work is conducted at MDC and at the University of Dayton Research Institute (UDRI) in support of the FAA Aircraft Hardening Program.
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