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Paper Information

Journal:   AMIRKABIR   SUMMER 2003 , Volume 14 , Number 55-B; Page(s) 790 To 801.
 
Paper: 

BALLISTIC LIMIT CALCULATION FOR ALUMINUM HONEYCOMB PANELS UNDER IMPACT OF RIGID CYLINDRICAL PROJECTILES

 
 
Author(s):  LIAGHAT GH.H., DAGHYANI H.R., SADIGHI M., ALAVINIA A.
 
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Abstract: 

In this paper impact of rigid cylindrical projectiles on aluminum honeycomb panels is studied. Considering various failure modes of target structure (including cell walls tearing and their folding and shearing of plug) by applying energy balance the ballistic limit velocity of panel is determined analytically. It is assumed that the honeycomb behaviour is rigid, perfectly plastic and the projectile diameter is greater than the cell size. The results show that the ballistic limit velocity is increased by increasing the panel thickness, the compressive and shear strength of honeycomb material and the walls thickness. However increasing the cell size, density, and the length of projectile the velocity decneases. The results of this analysis is in good agreement with experimental data.

 
Keyword(s): IMPACT, CRUSHING, BALLISTIC LIMIT, HONEYCOMB
 
References: 
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