Radar-infrared compatible stealth material and preparation method thereof

A stealth material and infrared technology, which is applied in the field of preparation of radar-infrared compatible stealth materials, can solve the problems of material modification or compounding, and achieve the effect of reducing preparation cost, simple preparation method and excellent performance

Inactive Publication Date: 2013-11-20
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there are many ways and methods to prepare radar-infrared stealth materials, both material modification and compounding are troublesome, so a compatible stealth material with good performance and simple preparation method is needed

Method used

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  • Radar-infrared compatible stealth material and preparation method thereof
  • Radar-infrared compatible stealth material and preparation method thereof
  • Radar-infrared compatible stealth material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A preparation method of a radar-infrared compatible stealth material, comprising the following steps:

[0037] Step 1, at room temperature, weigh 100g of steel balls with a diameter of 4mm, 10g of carbonyl iron powder, 0.01g of surfactant calcium stearate, and measure 30ml of acetone solution into a 100ml ball mill jar. Ball milling at a speed of 500 rpm for 8 hours;

[0038] Step 2, cleaning the carbonyl iron powder after ball milling with ethanol for 3 times, and drying at room temperature;

[0039] Step 3, mixing the dried carbonyl iron powder and high-floating aluminum powder in a mass ratio of 1:1.2;

[0040] Step 4, put the mixed carbonyl iron powder and high-floating aluminum powder together with 100g of 4mm steel balls, 0.01g of calcium stearate and 30-50ml of acetone solution into a 100ml ball mill tank, and put them in a planetary ball mill at 500 rpm Min speed ball milling 10min;

[0041] Step 5: After the ball mill tank is cooled, the ball-milled material...

Embodiment 2

[0043] A preparation method of a radar-infrared compatible stealth material, comprising the following steps:

[0044] Step 1, at room temperature, weigh 100g of steel balls with a diameter of 4mm, 10g of carbonyl iron powder, 0.01g of surfactant calcium stearate, and measure 30ml of acetone solution into a 100ml ball mill jar. Ball milling for 12 hours at a speed of 500 rpm;

[0045] Step 2, cleaning the carbonyl iron powder after ball milling with ethanol for 3 times, and drying at room temperature;

[0046] Step 3, mixing the dried carbonyl iron powder and high-floating aluminum powder in a mass ratio of 1:1.2;

[0047] Step 4, put the mixed carbonyl iron powder and high-floating aluminum powder together with 100g of 4mm steel balls, 0.01g of calcium stearate and 30-50ml of acetone solution into a 100ml ball mill tank, and put them in a planetary ball mill at 500 rpm Min speed ball milling 30min;

[0048] Step 5: After the ball mill tank is cooled, the ball-milled materia...

Embodiment 3

[0050] A preparation method of a radar-infrared compatible stealth material, comprising the following steps:

[0051]Step 1, at room temperature, weigh 100g of steel balls with a diameter of 4mm, 10g of carbonyl iron powder, 0.01g of surfactant calcium stearate, and measure 50ml of acetone solution and add them to a 100ml ball mill jar. Ball milling for 12 hours at a speed of 500 rpm;

[0052] Step 2, cleaning the carbonyl iron powder after ball milling with ethanol for 3 times, and drying at room temperature;

[0053] Step 3, mixing the dried carbonyl iron powder and high-floating aluminum powder at a mass ratio of 1:0.8;

[0054] Step 4, put the mixed carbonyl iron powder and high-floating aluminum powder together with 100g of 4mm steel balls, 0.01g of calcium stearate and 30-50ml of acetone solution into a 100ml ball mill tank, and put them in a planetary ball mill at 500 rpm Min speed ball milling 10min;

[0055] Step 5: After the ball mill tank is cooled, the ball-mill...

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Abstract

The invention discloses a radar-infrared compatible stealth material and also discloses a preparation method of the material. According to the preparation method, by adopting manners of primary ball milling and mixed ball milling, the required iron aluminum mixed material is finally obtained, the diameter of the platy material is 2-5mu m, and the thickness of the platy layer is 100-200nm. The preparation method is simple, and the prepared compatible stealth material also has very low infrared emissivity without changing the microwave absorbing property.

Description

technical field [0001] The invention relates to a radar-infrared compatible stealth material, and also relates to a preparation method of the radar-infrared compatible stealth material. Background technique [0002] With the continuous development of detection technology, military combat power, survival and combat capability of weapons and equipment have been seriously threatened. As a means to improve the survivability of military targets and improve the combat effectiveness of weapons and equipment, stealth technology has attracted much attention. In response to changes in detection technology, the military has more and more requirements for stealth technology: from a single radar or infrared stealth to radar-infrared composite stealth. [0003] Among the many stealth technologies at present, radar stealth and infrared stealth occupy a very high proportion. Therefore, radar-infrared compatible stealth has become the focus of research on stealth materials. However, radar ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/32C09D1/00C09D7/12
Inventor 姬广斌李晓光吕华良王敏
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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