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A kind of preparation method of ceramic bulletproof plate

A technology of bulletproof plates and ceramics, which is applied in protective equipment, ceramic molding machines, offensive equipment, etc., and can solve the problems of difficult gaps in ceramic sheets, poor resistance to continuous blows, and short curing time.

Inactive Publication Date: 2011-11-30
BEIJING AEROSPACE RATE MECHANICAL & ELECTRICAL ENG CO LTD
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0003] At present, the composite method of bulletproof ceramics and fiber fabric laminates is to use thermosetting adhesives, such as modified phenolic resins, modified epoxy resins, etc., to be composited at one time under hot pressing conditions. The advantages of high efficiency also have the disadvantages of high energy consumption, difficult control of the gap between the ceramic sheets of the product, and poor resistance to continuous blows

Method used

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  • A kind of preparation method of ceramic bulletproof plate
  • A kind of preparation method of ceramic bulletproof plate

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Effect test

example 1

[0022] Aluminum oxide and ultra-high molecular weight polyethylene woven laminates are used to make ceramic bullet-proof panels, which can protect against M80 lead-core bullets required by NIJ III. The surface density of the bullet-proof panels is 30kg / m 2 , see Table 1 for specific bullet rate of fire and simulated torso depression.

[0023] Table 1 Live-fire test data of alumina ceramic bullet-proof plate

[0024] firing order

example 2

[0026] The ceramic bullet-proof board is made of silicon carbide and ultra-high molecular weight polyethylene woven laminated board, which can protect the M80 lead-core bullets required by NIJ III level, and the surface density of the bullet-proof board is 26kg / m 2 , see Table 2 for specific bullet rate of fire and simulated torso depression.

[0027] Table 2 Live-fire test data of silicon carbide ceramic bullet-proof plate

[0028] firing order

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Abstract

The preparation method of a ceramic bullet-proof plate provided by the present invention is to use a solvent-based adhesive to bond bullet-proof ceramic sheets and high-performance fiber laminates together through a negative pressure forming process, and then press and shape the bullet-proof plate in a special mold. The specific preparation method is as follows: firstly, the bulletproof ceramic sheet is neatly placed on a high-performance fiber fabric laminate coated with a solvent-based adhesive according to the designed shape; then, the ceramic sheet and the laminate are placed horizontally on a negative pressure forming machine ( The forming machine is used to form a negative pressure in a certain space), adjust the air pressure to 0.1-0.5 atmospheres, keep it for 5-10 minutes, then take it out, and manually adjust the displacement of the bulletproof ceramic sheet; finally, press and shape it in the mold, The molding condition is 0.3~1Mpa pressure at room temperature for 12 hours.

Description

technical field [0001] The invention belongs to a forming method and process of bulletproof ceramics, and relates to a hard bulletproof plate used in the field of personal protection and armor, which is used to protect bullets with high penetrating power fired by light weapons with bullet speeds above 700m / s. Background technique [0002] The general ceramic bulletproof plate is mainly used in the field of human body protection and armor of tanks and aircraft. The former is inserted in the front and rear pockets of the bulletproof vest, and the latter protects the key parts of the vehicle, aircraft seats, and fuel tanks. It is made of High-hardness bulletproof ceramics and high-performance fiber fabrics are laminated with adhesives. [0003] At present, the composite method of bulletproof ceramics and fiber fabric laminates is to use thermosetting adhesives, such as modified phenolic resins, modified epoxy resins, etc., to be composited at one time under hot pressing conditi...

Claims

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Application Information

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IPC IPC(8): B28B3/02C04B35/10C04B35/565C04B35/563F41H1/00
Inventor 刘胜潘智勇梁立方心灵吴中伟吕攀珂黄继庆王瑞岭刘腾龙刘元坤张静高虹杨国张燕
Owner BEIJING AEROSPACE RATE MECHANICAL & ELECTRICAL ENG CO LTD
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