CN111892466A - High-density high-energy metal fuel - Google Patents
High-density high-energy metal fuel Download PDFInfo
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- CN111892466A CN111892466A CN202010725818.5A CN202010725818A CN111892466A CN 111892466 A CN111892466 A CN 111892466A CN 202010725818 A CN202010725818 A CN 202010725818A CN 111892466 A CN111892466 A CN 111892466A
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B27/00—Compositions containing a metal, boron, silicon, selenium or tellurium or mixtures, intercompounds or hydrides thereof, and hydrocarbons or halogenated hydrocarbons
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Abstract
The invention relates to a high-density high-energy metal fuel, belonging to the technical field of energetic materials. The metal fuel comprises the following components in percentage by mass based on 100% of the total mass of the metal fuel formula: 1.0 to 10.0 percent of magnesium, 57.0 to 73.0 percent of boron and 26.0 to 39.0 percent of high-density metal; the high-density metal is titanium, tungsten or zirconium. The metal fuel is prepared by a ball milling method or a mechanical mixing method at 500-800 ℃ in an inert atmosphere. The metal fuel can effectively improve the energy level of the energy-containing system and realize the great leap of the total energy release value of the energy-containing system; the metal source is wide, the cost is low, the large-scale production is facilitated, and the method has wide application prospect in the fields of propellants and explosives.
Description
Technical Field
The invention relates to a high-density high-energy metal fuel, in particular to a high-density high-energy metal fuel for manufacturing explosives and powders, belonging to the technical field of energetic materials.
Background
The chemical nature of high explosive is a mixed system of oxidizer and combustible agent close to zero oxygen balance. Currently, the output power of the mixed explosive improved by means of synthesizing new single-substance explosives does not have much space for rising. In recent years, some synthesized oxidants with explosive energy higher than that of CL-20 explosives cannot be applied due to the limitations of safety, stability and the like. Therefore, another approach is needed to increase the energy of the mixed explosive. The intervention of the novel high-energy fuel is an important means for greatly improving the total energy release value of the mixed explosive.
Since the 21 st century, the high-energy explosive technology with high-energy metal fuel as the core is regarded as a strategic means for guaranteeing the national safety, and the world first-class military and the strong country invest a great deal of capital in the research and development of the high-energy metal fuel. Under the drive of America and Russia, relevant development plans and research projects are started in Germany, Sweden, India, Japan and other countries, and research and application of high-energy metal fuel are promoted. The novel high-energy metal fuel explosive has become an important leading-edge technology for constructing conventional deterrence force and actual combat capability in a few military strong countries, and the development level of the novel high-energy metal fuel explosive represents national defense actual force and combat capability of the country. China also actively explores the preparation of high-energy metal fuel so as to obtain the high-energy metal fuel with higher combustion heat value than the traditional metal aluminum. The traditional binary alloy can only meet the requirement of high combustion heat value, but cannot simultaneously ensure the density level, which is far from enough for an energy-containing system.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a high-density high-energy metal fuel which is suitable for manufacturing explosives and powders.
In order to achieve the purpose of the invention, the following technical scheme is provided.
The high-density high-energy metal fuel comprises the following components in percentage by mass, based on 100% of the total mass of a metal fuel formula:
1.0 to 10.0 percent of magnesium,
57.0-73.0% of boron and 26.0-39.0% of high-density metal.
Wherein the high density metal is titanium, tungsten or zirconium.
The invention relates to a preparation method of a high-density high-energy metal fuel, which adopts a ball milling method or a mechanical mixing method at the temperature of 500-800 ℃ under an inert atmosphere.
The ball milling method under the inert atmosphere comprises the following specific steps:
placing agate balls, magnesium, boron and high-density metal powder into a ball mill, ball-milling for 8-30 h at 500-800 ℃ in an inert atmosphere, and stopping ball-milling to obtain the high-density high-energy metal fuel, wherein the high-density high-energy metal fuel contains a small amount of amorphous magnesium/boron/high-density intermetallic compounds.
Advantageous effects
1. The invention provides a high-density high-energy metal fuel, which can effectively improve the energy level of an energy-containing system, improve the operational efficiency of a weapon system, realize the great leap of the total energy release value of the energy-containing system and have wide application prospects in the fields of propellants and explosives.
2. The invention provides a high-density high-energy metal fuel, which has wide metal sources, low cost, large-scale production and huge application potential.
Drawings
FIG. 1 is a scanning electron microscope photograph of the final product obtained in example 2.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
The following tests were carried out on the products prepared in the following examples:
(1) density of
The test was performed using a BelPycno full-automatic true density analyzer from macxbair, usa.
(2) Heat value
The test was carried out using a C2000 standard oxygen bomb calorimeter from IKA, Germany.
(3) Morphology and elemental distribution
The test was carried out using a Scanning Electron Microscope (SEM) model S-4700 of Hitachi, Japan and its accompanying X-ray energy spectrometer EDS.
Example 1
The high-density high-energy metal fuel comprises the following components in percentage by mass, based on 100% of the total mass of a metal fuel formula: 10.0 percent of magnesium, 57.0 percent of boron and 33.0 percent of titanium.
The preparation method adopts a high-temperature ball milling method and comprises the following specific steps:
placing agate balls, magnesium, boron and high-density metal powder titanium into a ball mill, ball-milling for 10 hours at the temperature of 650 ℃ in an argon atmosphere, and stopping ball-milling to obtain a final product, namely the high-density high-energy metal fuel, wherein the final product contains a small amount of amorphous magnesium/boron/titanium intercrystallization compounds.
The final products obtained were tested and the results were as follows:
(1) density of
The density was 2.73g/cm3。
(2) Heat value
The mass heat of combustion was 9925 kJ/kg.
(3) Morphology and elemental distribution
The test was carried out using a Scanning Electron Microscope (SEM) model S-4700 from Hitachi, Japan and its own X-ray energy spectrometer EDS.
The final product was observed by scanning electron microscopy and showed: the product particles are fine, and the components are mixed uniformly.
The energy spectrometer test shows that the element mass fraction distribution is as follows: 10.0 percent of magnesium, 57.0 percent of boron and 33.0 percent of titanium.
Example 2
The high-density high-energy metal fuel comprises the following components in percentage by mass, based on 100% of the total mass of a metal fuel formula: 1.0% of magnesium, 73.0% of boron and 26.0% of tungsten.
The preparation method adopts a high-temperature ball milling method and comprises the following specific steps:
placing agate balls, magnesium, boron and high-density metal powder tungsten into a ball mill, ball-milling for 30h at 800 ℃ in an argon atmosphere, and stopping ball-milling to obtain a final product, namely the high-density high-energy metal fuel, wherein the final product contains a small amount of amorphous magnesium/boron/tungsten intercompound.
The final products obtained were tested and the results were as follows:
(1) density of
The density was 3.065g/cm3。
(2) Heat value
The mass heat of combustion was 8726 kJ/kg.
(3) Morphology and elemental distribution
The test was carried out using a Scanning Electron Microscope (SEM) model S-4700 of Hitachi, Japan and its accompanying X-ray energy spectrometer EDS.
The final product was observed by scanning electron microscopy, as shown in FIG. 1, and the results indicated that: the product particles are fine, and the components are mixed uniformly.
The energy spectrometer test showed the following element distributions: 1.0% of magnesium, 73.0% of boron and 26.0% of tungsten.
Example 3
The high-density high-energy metal fuel comprises the following components in percentage by mass, based on 100% of the total mass of a metal fuel formula: 3.0 percent of magnesium, 58.0 percent of boron and 39.0 percent of zirconium.
The preparation method adopts a high-temperature ball milling method and comprises the following specific steps:
placing agate balls, magnesium, boron and high-density metal zirconium powder into a ball mill, carrying out ball milling for 8 hours in an argon environment at 500 ℃, and stopping ball milling to obtain a final product, namely the high-density high-energy metal fuel, wherein the final product contains a small amount of amorphous magnesium/boron/zirconium intercompound.
The final products obtained were tested and the results were as follows:
(1) density of
The density was 3.065g/cm3。
(2) Heat value
The mass heat of combustion was 8726 kJ/kg.
(3) Morphology and elemental distribution
The test was carried out using a Scanning Electron Microscope (SEM) model S-4700 of Hitachi, Japan and its accompanying X-ray energy spectrometer EDS.
The final product was observed by scanning electron microscopy and showed: the product particles are fine, and the components are mixed uniformly.
The energy spectrometer test showed the following element distributions: 3.0 percent of magnesium, 58.0 percent of boron and 39.0 percent of zirconium.
Claims (3)
1. A high-density high-energy metal fuel is characterized in that: the metal fuel comprises the following components in percentage by mass based on 100% of the total mass of the metal fuel formula:
1.0 to 10.0 percent of magnesium,
57.0 to 73.0 percent of boron,
26.0 to 39.0 percent of high-density metal;
the high-density metal is titanium, tungsten or zirconium.
2. A method for producing a high-density high-energy metal fuel as defined in claim 1, wherein: the method is a ball milling method or a mechanical mixing method under the inert atmosphere of 500-800 ℃.
3. The method for preparing a high-density high-energy metal fuel as claimed in claim 2, wherein: the ball milling method under the inert atmosphere comprises the following specific steps:
placing agate balls, magnesium, boron and high-density metal powder into a ball mill, ball-milling for 8-30 h at 500-800 ℃ in an inert atmosphere, and stopping ball-milling to obtain the high-density high-energy metal fuel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010725818.5A CN111892466A (en) | 2020-07-24 | 2020-07-24 | High-density high-energy metal fuel |
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| CN202010725818.5A CN111892466A (en) | 2020-07-24 | 2020-07-24 | High-density high-energy metal fuel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956120A (en) * | 2021-10-22 | 2022-01-21 | 北京理工大学 | Propellant mixed fuel of molecular perovskite energetic material composite metal aluminum |
| CN114085120A (en) * | 2021-10-22 | 2022-02-25 | 北京理工大学 | Boron-containing molecular perovskite energetic material mixed fuel |
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| CN106542942A (en) * | 2016-10-21 | 2017-03-29 | 重庆大学 | A kind of boracic fuel-rich electric ignition solid propellant and preparation method thereof |
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-
2020
- 2020-07-24 CN CN202010725818.5A patent/CN111892466A/en active Pending
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956120A (en) * | 2021-10-22 | 2022-01-21 | 北京理工大学 | Propellant mixed fuel of molecular perovskite energetic material composite metal aluminum |
| CN114085120A (en) * | 2021-10-22 | 2022-02-25 | 北京理工大学 | Boron-containing molecular perovskite energetic material mixed fuel |
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