RESPONSE OF SELECTED MATERIALS TO HIGH-SPEED FRAGMENT IMPACT
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
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The eventual objective of the study of fragment mechanics was to obtain information on the ability of various materials to stop the penetration of fragments from indirect fire weapons and to define the optimum orientation of these materials whether used singularly or in combination with each other. Before this main objective could be realized, several intermediate goals had to be reached. A logical method of simulating a fragment by some standard projectile had to be selected, and a facility for propelling the projectile under closely controlled conditions had to be constructed. Researchers had to choose, from among a large number of possible protective materials, those few that best met Army needs regarding availability, cost, weight, ease of construction, and effectiveness. A test program had to be conducted and the accumulated data had to be analyzed in order to categorize the best of the available data. Those materials showing promise in the laboratory were selected for full-scale field testing. This paper describes the handling of each of these steps and lists the conclusions drawn from each phase of the work.