Engineering Transactions, 60, 4, pp. 333–344, 2012

Selection of Shaped Charge Liner Material with the Use of Electromagnetic Expanding Ring Technique

Military University of Technology Department of Mechatronics and Aviation

The present work deals with an experimental study on various sorts of copper was carried
out with the use of an electromagnetic launching ring technique in order to select the material
with a desirable property for performance of a shaped charged jet. The obtained results proved
that the copper with the smallest grain size revealed the highest ductility under electromagnetic
expanding ring loading conditions. The performed observations seem also to suggest that the
electromagnetic expanding ring test may be applied as a tool for a choice of liner materials.
Keywords: electromagnetic ring test, metals ductility, high strain rate deformation, shaped charge liner materials
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