A Study of the Protective Properties of a Combined Cermet Material upon a High-Speed Impact
| Autor: | A. I. Zykova, V. M. Zakharov, A. V. Chupashev, N. T. Yugov, S. A. Afanas’eva, E. Yu. Stepanov, N. N. Belov, O. V. Ushakova, A. N. Ishchenko, A. Yu. Sammel, A. N. Tabachenko, M. V. Khabibullin, V. V. Burkin, A. B. Skosyrskii |
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| Rok vydání: | 2020 |
| Předmět: |
010302 applied physics
Materials science Physics and Astronomy (miscellaneous) Titanium alloy chemistry.chemical_element Corundum Cermet Penetration (firestop) engineering.material 01 natural sciences 010305 fluids & plasmas chemistry Nickel titanium visual_art 0103 physical sciences engineering visual_art.visual_art_medium Ceramic Composite material Porosity Titanium |
| Zdroj: | Technical Physics. 65:925-934 |
| ISSN: | 1090-6525 1063-7842 |
| DOI: | 10.1134/s1063784220060134 |
| Popis: | The ballistic resistance of a combined cermet material based on a high-hardness ceramic bound with an intermetallide on a high-strength metal substrate, (TiB2 + NiTi) + Ti, is compared with that of plates of steel, VT1-0 titanium alloy, and Al2O3 corundum ceramics upon an impact with a steel spherical impactor in the region of velocities of about 2500 m/s. Experimental studies of protective barriers upon a high-speed impact were conducted using an experimental high-speed ballistic test bench. Mathematical modeling is based on a model of porous elastoplastic medium with allowance for various mechanisms of material destruction, which was modified for media with a complex composition. It is shown that, in the considered range of impact velocities, during penetration of barriers, the (TiB2 + NiTi) + Ti material, despite its low surface density, exerts a greater force on the impactor and exhibits greater penetration resistance than steel, titanium, and ceramics. |
| Databáze: | OpenAIRE |
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