ВПЛИВ ПРИРОДИ МАТЕРІАЛУ ТА ФОРМИ ОБЛИЦЮВАННЯ НА ВЛАСТИВОСТІ КУМУЛЯТИВНИХ ЗАРЯДІВ (Огляд)
The shaped charges are devices in which the energy of explosives is focused at a point in order to penetrate obstacles; they are used in the mining and petroleum extraction, for emergency and rescue work, etc. The liner of the charge hollow allows forming a high-speed jet of metal that can penetrate...
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| Datum: | 2025 |
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| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | Englisch |
| Veröffentlicht: |
Институт сверхтвердых материалов им. В. Н. Бакуля Национальной академии наук Украины
2025
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| Online Zugang: | http://altis-ism.org.ua/index.php/ALTIS/article/view/406 |
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| Назва журналу: | Tooling materials science |
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Tooling materials science| Zusammenfassung: | The shaped charges are devices in which the energy of explosives is focused at a point in order to penetrate obstacles; they are used in the mining and petroleum extraction, for emergency and rescue work, etc. The liner of the charge hollow allows forming a high-speed jet of metal that can penetrate obstacles made of various materials not only in air, but also underground or in water. A number of factors affect the depth and diameter of the penetration hole, and therefore the effectiveness of the charge. The purpose of this work is to review and analyze the results of research on the influence of the type, structure and properties of the material, the liner geometry, and design of the shaped charge on its penetrating performance. The review summarizes information on the dependence of the penetrating performance of the shaped charges on such factors as the material and the geometry of the liner and body, the type of explosive, the mode of blast initiation, the precision of the assembly of the warhead, and the standoff distance to the obstacle. It is shown that the material of the liner and its structure are one of the most important factors affecting the efficiency of shaped charges. Copper and iron are the most common materials used for the production of the liners; they provide high-density continuous jets with high penetrability. At the same time, tungsten-copper alloys show an increase in penetrability of up to 32% as compared to copper. The geometry of the liners also significantly affects the behavior of the jet: the maximum penetration depth is provided when a conical liner with an angle 2α = 40–60 ° is used. Thus, further research aimed at the development of new materials and technologies for the production of liners of cumulative charges is important for various industries, and especially for demining and emergency rescue operations on the territory of Ukraine due to the full-scale invasion of the aggressor. |
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