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Ballistic Resistance of AA5083-H116 Aluminum Plates against Conical-Nose Steel Projectiles Impact

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Abstract:

This paper evaluates the ballistic resistance of AA5083-H116 aluminum plates against conical-nose steel projectiles impact using Arbitrary Lagrange-Euler (ALE) finite element methods. The target material was modeled with the Johnson-Cook constitutive relation using 2D axisymmetric elements with ALE rezoning. Impact vs. residual velocity curves were constructed and the ballistic limit velocity was determined. It is found that the ballistic limits increase almost linearly with increasing plate thicknesses. The numerical results have been compared to available experimental results, and good agreement was in general obtained. The study shows that the ALE formulation works well for large deformation in ballistic penetration.

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Periodical:

Advanced Materials Research (Volumes 941-944)

Pages:

1428-1431

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.941-944.1428

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Online since:

June 2014

Authors:

Wei Hai Sun*, Gui Ling Ju, Ban Quan Yang, Li Jun Wang, Jing Wen Pan

Keywords:

Aluminum Plates, Arbitrary Lagrange-Euler (ALE), Conical-Nose Projectiles, Impact, Perforation

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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