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Preparation method of light high-strength composite splinter-proof plate

A high-strength technology for bulletproof plates, applied in the field of composite materials, can solve the problems of low service life and easy debonding of bulletproof plates, and achieve the effects of long service life, low cost and high strength

Inactive Publication Date: 2017-06-27
DONGGUAN JIAQIAN NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The bulletproof board provided by the invention has good bulletproof performance and light weight, but each layer of the bulletproof board is easy to debond under heavy load, and the service life is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A method for preparing a lightweight high-strength composite bulletproof plate, comprising the following steps:

[0031] (1) Weighing density is 2.73g / cm 3 The Al-11Si alloy powder and titanium hydride powder were mixed and stirred for 8 hours to obtain the mixed powder; two equal parts were weighed with a density of 2.73g / cm 3 3003Al alloy powder; weigh silicon nitride powder with a particle size of 200 mesh; wherein, the mass ratio of Al-11Si alloy powder, titanium hydride powder, and each part of 3003Al alloy powder is 190:1:128;

[0032] (2) Add absolute ethanol after mixing silicon nitride powder, alumina powder and magnesia powder, then stir for 20 hours under the condition of 400r / min, then dry, pulverize and sieve to obtain silicon nitride / alumina / Magnesium oxide mixed powder; wherein, the mass ratio of silicon nitride powder, aluminum oxide powder, and magnesium oxide powder is 0.1:1:1;

[0033] (3) Assemble a mold with an inner cavity size of 55mm×200mm×150...

Embodiment 2

[0038] A method for preparing a lightweight high-strength composite bulletproof plate, comprising the following steps:

[0039] (1) Weighing density is 2.73g / cm 3 The Al-11Si alloy powder and titanium hydride powder were mixed and stirred for 11 hours to obtain the mixed powder; two equal parts were weighed and the density was 2.73g / cm 3 3003Al alloy powder; weigh silicon nitride powder with a particle size of 200 mesh; wherein, the mass ratio of Al-11Si alloy powder, titanium hydride powder, and each part of 3003Al alloy powder is 193:1:128;

[0040] (2) Add absolute ethanol after mixing silicon nitride powder, alumina powder and magnesia powder, then stir for 22 hours under the condition of 500r / min, then dry, pulverize and sieve to obtain silicon nitride / alumina / Magnesium oxide mixed powder; wherein, the mass ratio of silicon nitride powder, aluminum oxide powder, and magnesium oxide powder is 0.2:1:1;

[0041](3) Assemble a mold with an inner cavity size of 55mm×200mm×1...

Embodiment 3

[0046] A method for preparing a lightweight high-strength composite bulletproof plate, comprising the following steps:

[0047] (1) Weighing density is 2.73g / cm 3 The Al-11Si alloy powder and titanium hydride powder were mixed and stirred for 14 hours to obtain the mixed powder; two equal parts were weighed and the density was 2.73g / cm 3 3003Al alloy powder; weigh silicon nitride powder with a particle size of 200 mesh; wherein, the mass ratio of Al-11Si alloy powder, titanium hydride powder, and each part of 3003Al alloy powder is 196:1:129;

[0048] (2) Add absolute ethanol after mixing silicon nitride powder, alumina powder and magnesia powder, then stir for 24 hours under the condition of 600r / min, then dry, pulverize and sieve to obtain silicon nitride / alumina / Magnesium oxide mixed powder; wherein, the mass ratio of silicon nitride powder, aluminum oxide powder, and magnesium oxide powder is 0.3:1:1;

[0049] (3) Assemble a mold with an inner cavity size of 55mm×200mm×...

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PUM

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Abstract

The invention discloses a preparation method of a light high-strength composite splinter-proof plate. The preparation method comprises the following steps that Al-Si alloy powder and titanium hydride powder are weighed, mixed and stirred for 8-20 h, and mixed powder is prepared; two parts of 3003Al alloy powder are weighed; silicon nitride powder with the granularity being 200 meshes is weighed; a mold is assembled and filled with silicon nitride / aluminum oxide / magnesium oxide mixed powder, sintering is carried out, and a silicon nitride layer material is prepared; the mold is sequentially filled with the alloy powder, the mixed powder and the alloy powder and then placed into a hot press to be subjected to hot pressing treatment, and a laminboard preformed part is obtained; the laminboard preformed part is placed into a well-heated heating furnace to be heated and foamed, and a foam aluminum laminboard is obtained; and the prepared silicon nitride layer material and foam aluminum laminboard are bonded through epoxy resin adhesive, and the light high-strength composite splinter-proof plate is prepared. The light high-strength composite splinter-proof plate is good in splinter-proof performance and excellent in mechanical performance.

Description

[0001] Technical field: [0002] The invention relates to the field of composite materials, in particular to a method for preparing a lightweight high-strength composite bulletproof plate. [0003] Background technique: [0004] Glass fiber is the earliest and most widely used bulletproof and anti-fragmentation reinforced composite material. With the development of fiber materials and composite material technology, aramid fibers, carbon fibers, and super high-strength fibers with higher specific strength and better impact resistance are often used. Molecular weight polyethylene fiber, etc. When forming a bulletproof board, one or more than two kinds of fibers are often mixed to make a composite material laminate. Fill low-density core materials between the laminates, such as rigid polyurethane foam materials, metal foam materials and honeycomb materials, to form composite sandwich structures. The use of composite sandwich structures as the protective structure of field comman...

Claims

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Application Information

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IPC IPC(8): B22F7/04B22F3/11C04B37/02C04B35/584F41H5/04B28B3/02B28B11/24
CPCB22F7/04B22F3/11B28B3/025B28B11/243C04B35/584C04B37/028C04B2235/3206C04B2235/3217C04B2235/6562C04B2235/6565F41H5/0421
Inventor 王海燕
Owner DONGGUAN JIAQIAN NEW MATERIAL TECH CO LTD
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