A new analytical model of normal penetration of projectiles into the light-weight ceramic–metal targets

In this paper based on Zaera and Sanchez-Galvez [4] model, a new analytical model has been presented for penetration of deformable projectiles into ceramic–metal targets. By considering erosion and flattening of projectile tip, the one-dimensional equation of motion has been established. The momentu...

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Published in:International journal of impact engineering 2010-05, Vol.37 (5), p.561-567
Main Authors: Feli, S., Aalami Aaleagha, M.E., Ahmadi, Z.
Format: Article
Language:English
Subjects:
Analytical model
Ceramic
Exact sciences and technology
Fracture mechanics (crack, fatigue, damage...)
Fundamental areas of phenomenology (including applications)
Inelasticity (thermoplasticity, viscoplasticity...)
Penetration
Physics
Projectile
Solid mechanics
Structural and continuum mechanics
Target
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container_title International journal of impact engineering
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description In this paper based on Zaera and Sanchez-Galvez [4] model, a new analytical model has been presented for penetration of deformable projectiles into ceramic–metal targets. By considering erosion and flattening of projectile tip, the one-dimensional equation of motion has been established. The momentum equation has been employed to describe the fragmented ceramic conoid. Considering work hardening material behavior, energy conservation equation has also been used for modeling the deformation of back-up metallic plate. Semi-angle of ceramic conoid is modified based on Wilson and Hetherington [8] experiments. The ballistic limit and residual velocity of projectile predicted by new analytical model have a good agreement with the experimental results.
doi_str_mv 10.1016/j.ijimpeng.2009.10.006
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subjects Analytical model
Ceramic
Exact sciences and technology
Fracture mechanics (crack, fatigue, damage...)
Fundamental areas of phenomenology (including applications)
Inelasticity (thermoplasticity, viscoplasticity...)
Penetration
Physics
Projectile
Solid mechanics
Structural and continuum mechanics
Target
title A new analytical model of normal penetration of projectiles into the light-weight ceramic–metal targets
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