Comparison of numerical and experimental study of armour system based on alumina and silicon carbide ceramics

• Autorzy: Chabera P. , Boczkowska A. , Morka A. , Kędzierski P. , Niezgoda T. , Oziębło A. , Witek A.

Identyfikatory

DOI

10.1515/bpasts-2015-0040

• Języki publikacji: EN

Abstrakty

EN

The main goal of this numerical and experimental study of composite armour systems was to investigate their ballistic behaviour. Numerical simulations were employed to determine the initial dimensions of panel layers before the actual ballistic test. In order to achieve this aim, multivariate computations with different thicknesses of panel layers were conducted. Numerical calculations were performed with the finite element method in the LS-DYNA software, which is a commonly used tool for solving problems associated with shock wave propagation, blasts and impacts. An axisymmetric model was built in order to ensure sufficient discretization. Results of a simulation study allowed thicknesses of layers ensuring assumed level of protection to be determined. According to the simulation results two armour configurations with different ceramics have been fabricated. The composite armour systems consisted of the front layer made of Al2O3 or SiC ceramic and high strength steel as the backing material. The ballistic performance of the proposed protective structures were tested with the use of 7.62 mm Armour Piercing (AP) projectile. A comparison of impact resistance of two defence systems with different ceramic has been carried out. Application of silicon carbide ceramic improved ballistic performance, as evidenced by smaller deformations of the second layer. In addition, one of armour systems was complemented with an intermediate ceramic-elastomer layer. A ceramic-elastomer component was obtained using pressure infiltration of gradient porous ceramic by elastomer. Upon ballistic impact, the ceramic body dissipated kinetic energy of the projectile. The residual energy was absorbed by the intermediate composite layer. It was found, that application of composite plates as a support of a ceramic body provided a decrease of the bullet penetration depth.

Słowa kluczowe

EN

ballistic performance; numerical simulation; armour; alumina ceramic; silicon carbide ceramic; ceramic-elastomer composites

PL

wydajność balistyczna; symulacja numeryczna; zbroja; kompozyt ceramika-elastomer

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2015
• Tom: Vol. 63, nr 2
• Strony: 363--367
• Opis fizyczny: Bibliogr. 18 poz., rys., tab., fot.

Twórcy

autor

Chabera P.

• Faculty of Materials Science and Engineering, Warsaw University of Technology, 141 Woloska St., 02-507 Warsaw, Poland

autor

Boczkowska A.

• Faculty of Materials Science and Engineering, Warsaw University of Technology, 141 Woloska St., 02-507 Warsaw, Poland

autor

Morka A.

• Faculty of Mechanical Engineering, Department of Mechanics and Applied Computer Science, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, Poland

autor

Kędzierski P.

• Faculty of Mechanical Engineering, Department of Mechanics and Applied Computer Science, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, Poland

autor

Niezgoda T.

• Faculty of Mechanical Engineering, Department of Mechanics and Applied Computer Science, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, Poland

autor

Oziębło A.

• Institute of Ceramics and Building Materials, 9 Postępu St., 02-676 Warsaw, Poland

autor

Witek A.

• Institute of Ceramics and Building Materials, 9 Postępu St., 02-676 Warsaw, Poland

Bibliografia

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