CN219956289U - Ceramic composite bulletproof armor for defending 14.5mm armor-piercing combustion bomb - Google Patents
Ceramic composite bulletproof armor for defending 14.5mm armor-piercing combustion bomb Download PDFInfo
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- CN219956289U CN219956289U CN202320061645.0U CN202320061645U CN219956289U CN 219956289 U CN219956289 U CN 219956289U CN 202320061645 U CN202320061645 U CN 202320061645U CN 219956289 U CN219956289 U CN 219956289U
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- ceramic composite
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- 239000000919 ceramic Substances 0.000 title claims abstract description 61
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 239000004698 Polyethylene Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 8
- 229920005992 thermoplastic resin Polymers 0.000 claims description 7
- 239000004760 aramid Substances 0.000 claims description 6
- 229920003235 aromatic polyamide Polymers 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 229910052580 B4C Inorganic materials 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 229920000271 Kevlar® Polymers 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 5
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 239000004761 kevlar Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 4
- 239000002313 adhesive film Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000011224 oxide ceramic Substances 0.000 claims description 2
- 229910052574 oxide ceramic Inorganic materials 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 138
- 239000000463 material Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 239000011153 ceramic matrix composite Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 229920002396 Polyurea Polymers 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Abstract
The utility model discloses a ceramic composite bulletproof armor for defending a 14.5mm armor-piercing combustion bomb, which relates to the technical field of bulletproof armor, and comprises a bulletproof layer and a peripheral constraint layer, wherein the peripheral constraint layer is fixedly coated on the side surface of the periphery of the bulletproof layer, which is parallel to the shooting direction of the bullet, and can apply circumferential constraint and confining pressure to the bulletproof layer.
Description
Technical Field
The utility model relates to the technical field of bulletproof armor, in particular to ceramic composite bulletproof armor for defending a 14.5mm armor-piercing combustion bomb.
Background
The traditional armor plate for defending the armor-piercing combustion shell with the thickness of 14.5mm adopts a sandwich structure of glass fiber, ceramic and steel plate, the problem of high surface density and no resistance to multiple shots exists, chinese patent CN108688270A discloses a ceramic matrix composite material for defending the armor-piercing combustion shell with the thickness of 14.5mm, which comprises a polyurea layer, an aramid layer, a ceramic layer and a PE layer, wherein the aramid layer, the ceramic layer and the PE layer are sequentially arranged from top to bottom and are bonded together through an adhesive to form a middle layer, the upper surface and the lower surface of the middle layer are sprayed with the polyurea layer, the ceramic matrix composite material in the structural form only improves the resistance to multiple shots in the direction of movement of shots after being shot, the ceramic matrix composite material is free from any constraint in the circumferential direction, and can be easily broken after being subjected to the shots again after being subjected to the face fracture of the ceramic matrix composite material, and the resistance to multiple shots is still not strong enough, so that the ceramic composite armor capable of increasing the resistance to multiple shots of the armor with circumferential constraint and surrounding pressure is required to be invented.
Disclosure of Invention
The utility model aims to provide a ceramic composite bulletproof armor for defending a armor-piercing combustion bomb of 14.5mm, so as to solve the problems in the prior art, and the ceramic composite bulletproof armor has stronger multiple-firing resistance.
In order to achieve the above object, the present utility model provides the following solutions:
the utility model provides a ceramic composite bulletproof armor for defending a 14.5mm armor-piercing combustion bomb, which comprises a bulletproof layer and a peripheral constraint layer, wherein the peripheral constraint layer is fixedly coated on the side surface of the periphery of the bulletproof layer, which is parallel to the shooting direction of the bullet, and can apply circumferential constraint and confining pressure to the bulletproof layer.
Preferably, the bulletproof layer comprises a crack-stopping layer, a ceramic layer, a PE layer and a metal layer, wherein the crack-stopping layer, the ceramic layer, the PE layer and the metal layer are sequentially arranged from top to bottom and are all adhered and fixed together through bonding layers, the thickness of the ceramic layer is 15-30mm, the thickness of the PE layer is more than 0mm and less than or equal to 20mm, the thickness of the metal layer is 2-12mm, the total thickness of the bulletproof layer is less than or equal to 50mm, and the surface density is less than or equal to 125 kg/square meter.
Preferably, the peripheral constraint layer is an aluminum alloy layer or a plurality of layers of aramid cloth.
Preferably, the peripheral constraint layer is fixedly coated on the sides of the peripheral edges of the ceramic layer and the PE layer, which are parallel to the shooting direction of the bullet.
Preferably, the crack-stopping layer comprises 1-2 layers of at least one layer of a glass fiber layer, a Kevlar fiber layer or a carbon fiber layer which are fixedly connected from top to bottom.
Preferably, the ceramic layer is one of a monolithic silicon nitride ceramic plate, a boron carbide ceramic plate, a silicon carbide ceramic plate, and an aluminum oxide ceramic plate.
Preferably, the PE layer is an ultra-high molecular weight polyethylene laminate.
Preferably, the metal layer is a titanium alloy layer, an aluminum alloy layer or an armored steel layer.
Preferably, the adhesive layer is a thermoplastic resin adhesive film layer.
Preferably, the thermoplastic resin film layer is one of a polyurethane layer, an epoxy resin layer and a polyolefin layer.
Compared with the prior art, the utility model has the following technical effects:
according to the ceramic composite bulletproof armor for defending the armor-piercing fire bullet with the diameter of 14.5mm, the peripheral constraint layers which are parallel to the shooting direction of the bullet and can apply circumferential constraint and confining pressure to the bulletproof layer are fixedly coated on the peripheral constraint layers, the confining pressure of the bulletproof layer is increased to conduct Zhou Xiangjiang constraint, after the bullet is middle-sized, all the split blocks of the bulletproof layer are still extruded tightly under the confining pressure effect, only cracks are formed without expansion, when the bullet hits the bulletproof layer again, the split block crushing particles in the tightly extruded state need to be extruded along the penetration direction of the bullet, all the split blocks are extruded tightly under the confining pressure effect of the peripheral constraint layers, the split block crushing particles are not easy to extrude, and the bulletproof layer is not easy to break, so that the multiple-firing resistance of the bulletproof armor is improved.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are needed in the utility model will be briefly described below, it being obvious that the drawings in the following description are only some of the utility models of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of a ceramic composite ballistic armor against a 14.5mm armor-piercing combustion bomb provided by the utility model;
in the figure: 100-bulletproof layer, 1-crack stop layer, 2-ceramic layer, 3-PE layer, 4-metal layer, 5-peripheral constraint layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the utility model thus described is only a part, but not all, of the utility models described. All other utility models obtained by those skilled in the art without making any creative effort based on the utility models in the present utility model are within the protection scope of the present utility model.
The utility model aims to provide a ceramic composite bulletproof armor for defending a armor-piercing combustion bomb of 14.5mm, so as to solve the problems in the prior art, and the ceramic composite bulletproof armor has stronger multiple-firing resistance.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Example 1
The embodiment provides a ceramic composite bulletproof armor for defending a armor-piercing fire bullet of 14.5mm, as shown in fig. 1, the ceramic composite bulletproof armor comprises a bulletproof layer 100 and a peripheral constraint layer 5, the peripheral constraint layer 5 is fixedly coated on the side surface of the periphery of the bulletproof layer 100, which is parallel to the shooting direction of the bullet, and can apply circumferential constraint and confining pressure to the bulletproof layer 100, the peripheral constraint layer 5 can carry out Zhou Xiangjiang constraint by increasing the confining pressure applied to the bulletproof layer 100, each split block of the bulletproof layer 100 is still extruded tightly under the confining pressure after the armor is middle-struck, only cracks are expanded, when the bullet again hits the bulletproof layer 100, the split block crushing particles in the tightly extruded state need to be extruded along the penetration direction of the bullet, and each split block crushing particle is not easy to be extruded under the confining pressure of the peripheral constraint layer 5, so that the bulletproof layer 100 is not easy to be broken, and the multiple-shot-resistant performance of the armor-piercing fire bullet-resistant ceramic composite bulletproof armor of 14.5mm fire bullet can enable the multiple-resistant performance of the armor to be stronger.
In a more preferable scheme of the embodiment, the bulletproof layer 100 comprises a crack-stopping layer 1, a ceramic layer 2, a PE layer 3 and a metal layer 4, wherein the crack-stopping layer 1, the ceramic layer 2, the PE layer 3 and the metal layer 4 are sequentially arranged from top to bottom and are all adhered and fixed together through bonding layers, the thickness of the ceramic layer 2 is 15-30mm, the thickness of the PE layer 3 is more than 0mm and less than or equal to 20mm, the thickness of the metal layer 4 is 2-12mm, the total thickness of the bulletproof layer 100 is less than or equal to 50mm, and the areal density is less than or equal to 125 kg/-square meter.
Preferably, the crack-stopping layer 1 is made of glass fiber, the ceramic layer 2 is made of 28mm boron carbide, the PE layer 3 is made of 18mm PE plate, the metal layer 4 is made of 2mm armor steel, the surface density of the bulletproof layer 100 is less than 105 kg/square meter, and the weight of the bulletproof armor is realized by optimizing the material selection and the thickness distribution of each layer.
In a more preferable scheme of the embodiment, the peripheral constraint layer 5 is an aluminum alloy layer or a plurality of layers of aramid cloth, the mechanical property of the aramid cloth is good, the breaking strength is high, and the aluminum alloy is light and has good strength.
In a preferred scheme of this embodiment, the peripheral constraint layer 5 is fixedly wrapped on the sides of the peripheral edges of the ceramic layer 2 and the PE layer 3 parallel to the bullet shooting direction, so as to increase the circumferential constraint and confining pressure on the ceramic layer 2 and the PE layer 3.
In a preferred scheme of the embodiment, the crack stop layer 1 comprises at least one layer of a glass fiber layer, a Kevlar fiber layer or a carbon fiber layer which are fixedly connected from top to bottom, the glass fiber has high tensile strength and impact strength, the Kevlar fiber has high strength and good toughness, the carbon fiber can be broken into numerous tiny fragments which cannot cause injury to people during frontal collision, a large amount of energy is absorbed, the crack stop layer 1 is fixedly covered on the horizontal plane of the ceramic layer 2, the ceramic layer 2 is strongly restrained in the horizontal plane direction, the ceramic fragments after a middle bullet are still extruded to be compact, only cracks have no expansion, and when the bullet further hits the broken ceramic, broken particles need to be broken along the impact direction of the bullet to break the crack stop layer 1, so that the kinetic energy of the bullet is greatly weakened, and the anti-bullet performance of the bullet layer is improved.
In a preferred embodiment of this embodiment, the ceramic layer 2 is one of a monolithic silicon nitride ceramic plate, a boron carbide ceramic plate, a silicon carbide ceramic plate, and an alumina ceramic plate, and alumina, silicon carbide, and boron carbide have been used as bulletproof ceramics for a long time.
In a preferred embodiment of this embodiment, the PE layer 3 is an ultra-high molecular weight polyethylene laminate, and the ultra-high molecular weight polyethylene laminate is formed by laminating a plurality of unidirectional cloths made of ultra-high molecular weight polyethylene fibers and then hot-pressing the unidirectional cloths by a flat vulcanizing machine, and absorbs the kinetic energy of the remaining pellets and ceramic fragments in the forms of stretching, breaking, fiber interface destruction, etc. of the fibers, and prevents the pellets from penetrating through the bulletproof layer 100.
In a preferred embodiment of the present utility model, the metal layer 4 is a titanium alloy layer or an aluminum alloy layer or an armor steel layer.
In a preferred embodiment of this embodiment, the adhesive layer is a thermoplastic resin film layer, and the thermoplastic resin has good impact resistance.
In a preferred scheme of the embodiment, the thermoplastic resin film layer is one of a polyurethane layer, an epoxy resin layer and a polyolefin layer, and the materials have high adhesion, so that the composite material has good overall composite effect, and the two adjacent layers are firmly fixed and tightly connected.
Example two
In the preferred embodiment, unlike the first embodiment, the crack stopper layer 1 is made of carbon fiber, the ceramic layer 2 is made of 19mm silicon nitride, the PE layer 3 is made of 2mm PE plate, the metal layer 4 is made of 8mm titanium alloy, and the surface density of the bulletproof layer 100 is less than 98 kg/. Mu.m.
Example III
Unlike the first embodiment, in the preferred scheme of the embodiment, kevlar fiber is adopted as the crack-stopping layer 1, 22mm alumina is adopted as the ceramic layer 2, 10mm PE plate is adopted as the PE layer 3, and 10mm aluminum alloy plate is adopted as the metal layer 4, so that the surface density of the bulletproof layer 100 is less than 123kg per square meter.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples thereof, the above description of the utility model is only for aiding in understanding the method of the present utility model and its core ideas; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (9)
1. A ceramic composite ballistic armor for defeating a 14.5mm armor-piercing combustion bomb, comprising: the bulletproof layer comprises a crack-stopping layer, a ceramic layer, a PE layer and a metal layer, wherein the crack-stopping layer, the ceramic layer, the PE layer and the metal layer are sequentially arranged from top to bottom and are adhered and fixed together through bonding layers, the peripheral constraint layer is fixedly coated on the side surfaces of the periphery of the ceramic layer, the PE layer and the bullet, which are parallel to the shooting direction of the bulletproof layer, and circumferential constraint and confining pressure can be applied to the bulletproof layer.
2. The ceramic composite ballistic armor of a defensive 14.5mm armor piercing combustion bullet of claim 1 wherein: the thickness of the ceramic layer is 15-30mm, the thickness of the PE layer is more than 0mm and less than or equal to 20mm, the thickness of the metal layer is 2-12mm, the total thickness of the bulletproof layer is less than or equal to 50mm, and the areal density is less than or equal to 125 kg/-square meter.
3. The ceramic composite ballistic armor against a 14.5mm armor piercing burner of claim 2 wherein: the peripheral constraint layer is an aluminum alloy layer or a plurality of layers of aramid cloth.
4. The ceramic composite ballistic armor of a defensive 14.5mm armor piercing combustion bullet of claim 1 wherein: the crack-stopping layer comprises 1-2 layers of at least one layer of a glass fiber layer, a Kevlar fiber layer or a carbon fiber layer which are fixedly connected from top to bottom.
5. The ceramic composite ballistic armor of a defensive 14.5mm armor piercing combustion bullet of claim 4 wherein: the ceramic layer is one of a monolithic silicon nitride ceramic plate, a boron carbide ceramic plate, a silicon carbide ceramic plate and an aluminum oxide ceramic plate.
6. The ceramic composite ballistic armor of a defensive 14.5mm armor piercing combustion bullet of claim 5 wherein: the PE layer is an ultra-high molecular weight polyethylene laminated board.
7. The ceramic composite ballistic armor of a defensive 14.5mm armor piercing combustion bullet of claim 6 wherein: the metal layer is a titanium alloy layer, an aluminum alloy layer or an armored steel layer.
8. The ceramic composite ballistic armor of a defensive 14.5mm armor piercing combustion bullet of claim 1 wherein: the bonding layer is a thermoplastic resin adhesive film layer.
9. The ceramic composite ballistic armor of claim 8 against a 14.5mm armor piercing burner, wherein: the thermoplastic resin adhesive film layer is one layer of a polyurethane layer, an epoxy resin layer and a polyolefin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320061645.0U CN219956289U (en) | 2023-01-10 | 2023-01-10 | Ceramic composite bulletproof armor for defending 14.5mm armor-piercing combustion bomb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320061645.0U CN219956289U (en) | 2023-01-10 | 2023-01-10 | Ceramic composite bulletproof armor for defending 14.5mm armor-piercing combustion bomb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219956289U true CN219956289U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320061645.0U Active CN219956289U (en) | 2023-01-10 | 2023-01-10 | Ceramic composite bulletproof armor for defending 14.5mm armor-piercing combustion bomb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219956289U (en) |
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- 2023-01-10 CN CN202320061645.0U patent/CN219956289U/en active Active
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