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High and Low Rate Force-Deformation Characteristics of Motorcycle Helmets
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English
Abstract
The load-displacement characteristics of fifteen motorcycle helmets were determined at displacement rates from quasi-static to 5M/S. Seven of these helmets had polycarbonate outer shells while the remaining shells were of fiberglass construction. The stiffness of helmets with polycarbonate shells was found to be more uniform, both with loading rate and magnitude of load, than that of fiberglass shell helmets.
Use of these data to predict helmeted head force and acceleration after impact with a rigid surface is illustrated using a mathematical model.
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Authors
Citation
Kingsbury, H., Herrick, W., and Mohan, D., "High and Low Rate Force-Deformation Characteristics of Motorcycle Helmets," SAE Technical Paper 790324, 1979, https://doi.org/10.4271/790324.Also In
References
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- “Standard for Protective Headgear.” Snell Memorial Foundation Sacramento, CA. 1975
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- Liu Y.K.N. Kravesh P.E. Beck C.H. “Optimal Protection in Direct Closed Head Impact.” Proc. 28 Conference Alliance for Engineering in Medicine and Biology 167 1975
- Berger R.E. “Considerations in Developing Test Methods for Protective Headgear.” NBSIR 76-1107 U.S. Dept. of Commerce, National Bureau of Standards Washington, D. C. 1976
- Mohan D. Bowman B. Snyder R.G. Foust D.R. “A Biomechanical Analysis of Head Impact Injuries to Children.” Insurance Institute for Highway Safety Washington, D.C. 1978