Ceramic-titanium alloy-PE composite bulletproof deck and preparation method thereof

A technology of bulletproof deck and composite deck, which is applied in the direction of protective equipment, protective equipment, armor plate structure, etc., and can solve problems such as poor bonding, large contact area, and easy falling off

Inactive Publication Date: 2020-10-23
赛福纳米科技(徐州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this patent, the bomb-receiving panel and the titanium alloy plate are welded between the plates to obtain a bullet-proof inserting plate. The contact area between the plates is large. Poor inter-combination, easy to fall off

Method used

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  • Ceramic-titanium alloy-PE composite bulletproof deck and preparation method thereof
  • Ceramic-titanium alloy-PE composite bulletproof deck and preparation method thereof
  • Ceramic-titanium alloy-PE composite bulletproof deck and preparation method thereof

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Embodiment 1

[0028] This embodiment relates to a method for preparing a veneer integral ceramic-titanium alloy-PE composite bulletproof deck, comprising the following steps:

[0029] S1, 250g of Ti-6Al-4V alloy powder with particle size distribution of 5-50μm and 25g of aluminum-coated nano-carbon fiber (Suzhou First Element CNTa, fiber length 5-20μm, diameter 50-200nm, fiber thermal conductivity greater than 1200W / ( m·k), the thickness of the aluminum coating layer on the fiber surface is 5-20nm), and stir and mix evenly to obtain titanium alloy composite powder;

[0030] S2, spread the above-mentioned titanium alloy composite powder on the graphite mould, and then add a layer of nano-carbon fiber toughened boron carbide ceramic sheet (Suzhou First Element, density 2.47g / cm2) with a thickness of 10mm. 3 ), under the pressure of 1000℃ and 50MPa, keep it in a vacuum environment for 10 minutes, so that the titanium alloy composite powder can fully react with the nano-carbon fiber toughened b...

Embodiment 2

[0034] This embodiment relates to a method for preparing a honeycomb composite ceramic-titanium alloy-PE composite bulletproof deck, including:

[0035] Step 1, 250g of Ti-6Al-4V alloy powder with a particle size distribution of 0.5-50μm and 25g of aluminum-coated nano-carbon fiber (Suzhou First Element CNTa, fiber length 5-20μm, diameter 50-200nm, fiber thermal conductivity greater than 1200W / (m·k), the thickness of the aluminized layer on the surface of the fiber is 5-20nm) and stir and mix evenly to obtain a titanium alloy composite powder;

[0036] Step 2, spread the above-mentioned titanium alloy composite powder in a graphite mold with a curved surface, and then add a layer of regular hexagonal nano-carbon fiber toughened nano-carbon fiber toughened boron carbide ceramic sheet with a thickness of 10mm (Suzhou First Element , density 2.47g / cm 3 ), at 980°C and 50MPa pressure, in an argon environment for 10 minutes; during this process, nano-toughened titanium alloy powd...

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Abstract

The invention discloses a ceramic-titanium alloy-PE composite bulletproof deck and a preparation method thereof, and belongs to the technical field of weapon equipment. The preparation method of the ceramic-titanium alloy-PE composite bulletproof deck comprises the following steps: S1, mixing titanium alloy and surface-aluminized carbon nanofibers evenly, obtaining titanium alloy composite powder;S2, laying the titanium alloy composite powder on a graphite die, then, covering with a carbon nanofiber toughened boron carbide ceramic chip, and performing hot pressing and sintering to obtain a ceramic-titanium alloy composite deck; S3, adhering a PE board having ultra-high molecular weight with the ceramic-titanium alloy composite deck prepared in the step S2, and obtaining the ceramic-titanium alloy-PE composite bulletproof deck. The composite bulletproof deck prepared by the method of the invention has good overall associativity, and has high capability of resisting an armor-piercing bullet and an armor-piercing incendiary.

Description

technical field [0001] The invention relates to a technology in the field of weapon equipment, in particular to a ceramic-titanium alloy-PE composite bulletproof deck and a preparation method thereof. Background technique [0002] Boron carbide has excellent properties such as low density, high hardness, strength, and elastic modulus, and is more and more widely used in the field of bulletproof armor. However, its flexural strength and fracture toughness are low, and its brittleness is relatively high, which limits the application of boron carbide ceramics. [0003] Chinese invention patent application CN103727842A discloses a fiber / ceramic / metal composite bulletproof plate and its preparation method. The method prepares a titanium alloy frame by laser welding, and uses an adhesive to fix the ultra-high molecular weight polyethylene plate on the titanium alloy frame. In the cavity, an adhesive is used to connect the carbon fiber layer and the ceramic layer, and the connecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F41H5/04C22C47/14C22C49/14C22C49/11B22F5/00C22C101/10
CPCF41H5/0421C22C47/14C22C49/14C22C49/11B22F5/00B32B27/32B32B7/12B32B27/12B32B9/047B32B9/005B32B9/045B32B9/04B32B5/02B32B33/00B32B37/10B32B37/06B32B37/12B32B2571/02B32B2250/03B32B2262/106B32B2307/558B32B2307/546B32B2307/50
Inventor 刘媛王金娥陈玉华董明
Owner 赛福纳米科技(徐州)有限公司
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