Review of Ballistic Helmet Test Methodology: May 1998 Ballistic Helmet Test Series

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Authors
  1. Shewchenko, N.
Corporate Authors
Defence R&D Canada - Valcartier, Valcartier QUE (CAN);Carleton Univ, Ottawa ONT (CAN)
Abstract
This report presents a review of the test methodology used in the May 98 ballistic helmet test series with 9 mm rounds. The data relates to a program initiated by the Department of National Defence, through the Defence Research Establishment at Va1cartier to explore the effects of dynamic backplane deformation of composite shelled ballistic helmets during non-penetrating ballistic impacts. The objectives of the earlier study included the development of a test methodology to quantify the load transfer during deformation and to relate this to an injury criteria and eventually injury risk. A review of the project objectives and history can be found in the literature by Bolduc, 1998. The May 98 test series included modifications to the instrumentation selection; the addition of angular acceleration measurements, and an increased sensor area for local contact force distribution measurement. Multiple ballistic shell designs were also evaluated to allow the evaluation of transient deformation as a function of shell material characteristics and other helmet design properties. A comparison of the helmet properties and performance have been presented in the same paper by Bolduc, 1998 and shall be discussed only in terms of ranking methods. A review of the linear and angular acceleration measurement methodologies is presented and recommendations for improvement are made with the intent of enhancing ballistic helmet performance assessment undergoing backplane deformation.
Keywords
Ballistic impact;Non-penetrating projectiles
Report Number
DRDC-VALCARTIER-CR-2006-661 — Contractor Report
Date of publication
31 Mar 1999
Number of Pages
141
DSTKIM No
CA029778
CANDIS No
528215
Format(s):
Hardcopy;Document Image stored on Optical Disk

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