Numerical and experimental study of armour system consisted of ceramic and ceramic-elastomer composites

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

Identyfikatory

DOI

10.2478/bpasts-2014-0094

• Języki publikacji: EN

Abstrakty

EN

The paper presents numerical and experimental results in the study of composite armour systems for ballistic protection. The modelling of protective structures and simulation methods of experiment as well as the finite elements method were implemented in LS DYNA software. Three armour systems with different thickness of layers were analyzed. Discretization for each option was built with three dimensional elements guaranteeing satisfactory accuracy of the calculations. Two selected armour configurations have been ballistically tested using the armour piercing (AP) 7.62 mm calibre. The composite armour systems were made of Al2O3 ceramics placed on the strike face and high strength steel as a backing material. In case of one ballistic structure system an intermediate ceramic- elastomer layer was applied. Ceramic- elastomer composites were obtained from porous ceramics with porosity gradient using pressure infiltration of porous ceramics by elastomer. The urea-urethane elastomer, as a reactive liquid was introduced into pores. As a result composites, in which two phases were interconnecting three-dimensionally and topologically throughout the microstructure, were obtained. Upon ballistic impact, kinetic energy was dissipated by ceramic body The residual energy was absorbed by intermediate composite layer. Effect of the composite shell application on crack propagation of ceramic body was observed.

Słowa kluczowe

EN

ballistic performance; numerical simulation; ceramic

PL

wydajność balistyczna; symulacja numeryczna; element ceramiczny pancerza; kompozyt ceramiczno-elastomerowy

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2014
• Tom: Vol. 62, nr 4
• Strony: 853--859
• Opis fizyczny: Bibliogr. 22 poz., rys., tab., wykr.

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.

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

autor

Niezgoda T.

• Department of Mechanics and Applied Computer Science, Military University of Technology, 2 Gen. Sylwestra 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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