a cast explosive

A technology for melting and casting explosives and dinitrofurazanyl, which is applied in the direction of explosives, etc., can solve the problems of reducing the safety of explosives and insufficient metal acceleration ability, and achieves good safety performance, increased Gurney coefficient, and high metal acceleration ability. Effect

Active Publication Date: 2022-05-24
XIAN MODERN CHEM RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] This application aims at the problem of insufficient metal acceleration ability of the current 3,4-dinitrofurazanyl oxide furazanyl melting and casting explosive, and adopts a new type of high-energy insensitivity material 5,5-tetrazole-1,1-dioxide dihydroxy Ammonium replaces Octogen explosives commonly used in 3,4-dinitrofurazanyl oxide furazanyl melt-cast explosives, and achieves 3,4 -Increased Gurney coefficient of dinitrofurazanyl oxide furazanyl melt-cast explosive system

Method used

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Examples

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Embodiment 1

[0016] The present invention is implemented with reference to the following mass percentage composition: 50% of 3,4-dinitrofurazan-based furoxan, 44% of 5,5-bitetrazole-1,1-dihydroxyammonium dioxide, 5% of aluminum powder %, 1% of 80# microcrystalline wax.

[0017] Preparation method: in a jacketed steam melting pot, melt 500g of 3,4-dinitrofurazan-based furoxan and 10g of microcrystalline wax, add 440g of 5,5-bitetrazole-1,1-di Dihydroxyammonium oxide and 50g of aluminum powder are mixed evenly and poured into a heat-resistant polyethylene plastic bag. After solidification, they are kneaded into powder and sieved to obtain a powder sample. Pour the powder into the mold and heat it to melt, and after natural cooling, the grain sample can be obtained.

Embodiment 2

[0019] The present invention is implemented with reference to the following mass percentage composition: 56% of 3,4-dinitrofurazan-based furoxan, 38% of 5,5-bitetrazole-1,1-dihydroxyammonium dioxide, 5% of aluminum powder %, 1% of 80# microcrystalline wax.

[0020] The manufacturing method of this example is carried out with reference to Example 1.

Embodiment 3

[0022] The present invention is implemented with reference to the following mass percentage composition: 45% of 3,4-dinitrofurazan-based furoxan, 43% of 5,5-bitetrazole-1,1-dihydroxyammonium dioxide, 10% of aluminum powder %, 80# microcrystalline wax 2%.

[0023] The manufacturing method of this example is carried out with reference to Example 1.

[0024] Table 1

[0025]

[0026] Compared with the comparative example, the present invention can greatly improve the detonation speed and the Gurney coefficient under the condition of the same charge density, wherein the detonation speed is increased by up to 2.99%, the Gurney coefficient is increased by up to 7.43%, and the mechanical sensitivity is comparable to the comparative example.

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Abstract

The application discloses a melting and casting explosive, which is to solve the problem that the Gurney energy of the existing low-sensitivity melting and casting mixed explosive based on 2,4-dinitroanisole (DNAN) and TNT is relatively low, and 3,4 ‑Dinitrofurazanyl oxide furazan-based Gogni can melt and cast mixed explosives with high sensitivity and need to add desensitizing agent for insensitivity. The mass percentage of the present invention is composed of: 3,4 dinitrofurazanyl oxide furazan (DNTF) (D 50 30μm~40μm) 45%~56%, 5,5-tetrazole-1,1-dioxide dihydroxyammonium (TKX-50) (D 50 80μm~100μm) 38%~43%, aluminum powder (FLQT3) 5%~10%, microcrystalline wax (80 # ) 1% to 2% composition. Ming cast explosives have high detonation velocity and Gurney coefficient, and moderate mechanical sensitivity. The invention is applicable to armor-piercing warheads, blast-killing warheads and blasting warheads.

Description

technical field [0001] The invention relates to a melting and casting explosive, which is mainly used for killing and blasting warheads, armor-piercing warheads and blasting warheads. Background technique [0002] With the increasingly severe environment of modern warfare, the requirements for energy and safety of weapons and ammunition systems continue to increase. hot spot, which has a higher energy level (density 1.937 g / cm 3 , explosion velocity 9250m / s), can be used to achieve high metal acceleration capability, but its high mechanical sensitivity (impact sensitivity 92%) restricts its application in weapon systems. When developing the formulation of DNTF-based melt-cast explosive, due to its higher impact sensitivity, it is often necessary to add more desensitizers, thereby reducing the overall energy output. Therefore, how to better take into account the energy output and safety and make it exert greater power has become an urgent topic to be solved in the applicati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C06B33/08
CPCC06B33/08
Inventor 封雪松潘文冯博冯晓军赵娟薛乐星席鹏
Owner XIAN MODERN CHEM RES INST
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