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Bulletproof composite armor and preparation method thereof

An armor and bulletproof technology, which is applied in the direction of protective equipment, armor, protective equipment, etc., can solve the problems of overweight bulletproof plates and cannot meet the surface density limit of lightweight protective decks, so as to reduce weight and improve the ability to resist multiple bullets Ability to enhance the effect of adhesive strength

Active Publication Date: 2020-06-05
SUZHOU FIRST ELEMENT NANO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The composite bulletproof armor uses a CrMo alloy frame, and the bulletproof plate is too heavy to meet the surface density limit of a lightweight protective deck

Method used

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  • Bulletproof composite armor and preparation method thereof
  • Bulletproof composite armor and preparation method thereof
  • Bulletproof composite armor and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0030] This embodiment relates to a preparation method of bulletproof composite armor, comprising:

[0031] Step 1, put 5200g of B 4 C powder (Safe Nanotechnology), 520g of nano-carbon fiber (Suzhou First Element CNTcr), 152g of water-soluble phenolic resin and 6000g of high-purity water are evenly mixed to obtain a ceramic slurry, which is then spray-dried. The temperature of the spray-dried air inlet is 200°C, the temperature of the air outlet is 100°C, and the composite raw material is obtained; then cold-pressed under the pressure of 350MPa to form a regular hexagonal green body with a height of 50mm and a thickness of 6.6mm;

[0032] Step 2, put 192 regular hexagonal green bodies into figure 1 and figure 2 In the two-layer structure honeycomb carbon fiber mesh bag with staggered arrangement as shown, cover the honeycomb with carbon fiber cloth of the same material, and then place it in a hot pressing mold with the same shape and size as the above honeycomb mesh bag; un...

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Abstract

The invention discloses a bulletproof composite armor and a preparation method thereof, and belongs to the preparation technology of ceramic and metal-based composite materials. The preparation methodof the bulletproof composite armor comprises the following steps that 1, B4C powder, carbon nanofibers, water-soluble phenolic resin and water are evenly mixed to obtain ceramic slurry, then spray drying is carried out to obtain a raw material, then cold pressing is carried out to obtain a regular hexagon green body; 2, the regular hexagon green body is put into a honeycomb of a faveolate carbonfiber mesh bag, the honeycomb is covered with carbon fiber cloth made of the same material, then vacuum hot-pressing sintering is carried out, an integral composite ceramic plate is formed; 3, the carbon nanofibers and aluminum powder are evenly mixed, an aluminum alloy bulletproof back plate is formed through powder metallurgy, forging forming and micro-arc oxidation treatment; and 4, the composite ceramic plate and the aluminum alloy bulletproof back plate are subjected to hot isostatic pressing compounding, and the bulletproof composite armor is obtained. According to the bulletproof composite armor and a preparation method thereof, the mode that a high-toughness composite ceramic is combined with the aluminum alloy back plate is adopted, so that the capacity of the composite armor forresisting multiple strikes of armor-piercing bullets and armor-piercing incendiary bullets is greatly improved.

Description

technical field [0001] The invention relates to the ceramic matrix composite material technology and the preparation technology of a new metal matrix composite material. Specifically, it is a bulletproof composite armor and a preparation method thereof. Background technique [0002] The excellent properties of boron carbide make it more and more used in various industries. For example, a Chinese invention patent application with application number CN200910180582.5 discloses a composite ceramic, which increases the hardness of boron carbide ceramics by compounding boron carbide with carbon fibers; although the hardness of boron carbide ceramics is improved by compounding with other materials , but it is still difficult to achieve the bulletproof effect. [0003] The Chinese invention patent application with application number 200510086629.3 discloses a preparation method of steel honeycomb ceramic sandwich composite bulletproof armor. The method uses bulletproof steel plate...

Claims

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Application Information

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IPC IPC(8): F41H5/04C04B35/80C04B35/563B32B9/00B32B9/04B32B15/20B32B15/04B32B3/12B32B7/12B32B33/00B32B37/10B32B37/06B32B37/12C22C47/14C22C49/06C25D11/06C22C101/10
CPCF41H5/0421C04B35/563C22C47/14C22C49/06C25D11/026C25D11/06B32B9/007B32B9/041B32B15/20B32B15/04B32B3/12B32B7/12B32B37/10B32B37/06B32B37/12C04B2235/5248C04B2235/602C04B2235/604C04B2235/656C04B2235/6567C04B2235/77C04B2235/95B32B2307/558B32B2307/752B32B2571/02
Inventor 陈玉华薛平赵海静董明
Owner SUZHOU FIRST ELEMENT NANO TECH
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