CN114166069A - Light multilayer composite structure bulletproof armor plate and preparation method thereof - Google Patents
Light multilayer composite structure bulletproof armor plate and preparation method thereof Download PDFInfo
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- CN114166069A CN114166069A CN202111376633.9A CN202111376633A CN114166069A CN 114166069 A CN114166069 A CN 114166069A CN 202111376633 A CN202111376633 A CN 202111376633A CN 114166069 A CN114166069 A CN 114166069A
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- 239000002131 composite material Substances 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 67
- 239000002184 metal Substances 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 31
- 239000000919 ceramic Substances 0.000 claims description 39
- 229910052580 B4C Inorganic materials 0.000 claims description 16
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 13
- 239000000805 composite resin Substances 0.000 claims description 11
- 238000004026 adhesive bonding Methods 0.000 claims description 10
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910002110 ceramic alloy Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000945 filler Substances 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract description 3
- 241000264877 Hippospongia communis Species 0.000 description 69
- 239000010410 layer Substances 0.000 description 53
- 238000000034 method Methods 0.000 description 7
- 238000000465 moulding Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000005219 brazing Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/02—Plate construction
- F41H5/04—Plate construction composed of more than one layer
- F41H5/0442—Layered armour containing metal
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a light multilayer composite structure bulletproof armor plate, which comprises a bulletproof panel, a bulletproof back plate and a composite layer arranged between the bulletproof panel and the bulletproof back plate; the fabric composite layer is formed by sequentially and alternately forming buffer layers and metal honeycomb plate layers. The invention has the advantages that the buffer layer and the metal honeycomb plate layer are matched with other materials, so that the energy-absorbing and shock-absorbing device has good energy-absorbing and shock-absorbing effects when impacted by the projectile, meanwhile, the internal filler is restrained, the damage to the periphery of the projectile hole caused by the dispersion of the projectile after impact is prevented, and the used materials are light materials, so that the maneuverability of a helicopter or a chariot can be effectively improved.
Description
Technical Field
The invention belongs to the technical field of bulletproof, and particularly relates to a light multilayer composite structure bulletproof armor plate and a preparation method thereof.
Background
With the continuous enhancement of modern weapons, the survival ability of military helicopters or war lorries on battlefields is extremely challenged, so that higher requirements are put on armor protection. Based on light weight, modularization and high protection, the military composite armor is imperatively designed by aiming at manufacturing. The metal honeycomb structure composite material has higher rigidity and strength, is filled with the resin-based bulletproof material or the ceramic sheet, can be used as a carrier of a support panel material, has light weight and has good application potential. Due to the higher hardness and inherent strength of ceramics, an interfacial failure response can be induced, significantly reducing the armor piercing ability of the projectile. The new generation of ceramic/composite armor materials has developed rapidly, mainly as panels of composite armor, toward low cost and high performance. Meanwhile, the high strength and ductility of the metal plate also enable the metal plate to have excellent protective performance.
At present, most of composite armors are too heavy integrally, so that the maneuverability of a helicopter or a chariot on a battlefield is directly influenced, and the composite armors are easy to be struck by shots. Meanwhile, the existing composite armor is complex in design, multiple layers are difficult to be effectively matched and combined, and the service life is limited. In addition, once the bulletproof panel is damaged when being struck by a projectile, the bulletproof performance of the rest part is limited, and the bullet cannot effectively absorb energy when being penetrated by the projectile and cannot resist continuous striking of multiple projectiles.
Therefore, the light multilayer composite structure bulletproof armor plate with high-efficiency protection, simple preparation process and excellent combat performance and the preparation method thereof are problems to be solved by technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a light multilayer composite structure bulletproof armor plate and a preparation method thereof, and the bulletproof armor plate is provided with the buffer layer and the metal honeycomb plate layer which are matched with other materials, so that the bulletproof armor plate has good energy absorption and shock absorption effects when impacted by a projectile, and simultaneously restrains fillers in the bulletproof armor plate to prevent the periphery of a projectile hole from being damaged due to dispersion after the impact of the projectile, and the used materials are light materials, so that the maneuverability of a helicopter or a chariot can be effectively improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a light multilayer composite structure bulletproof armor plate comprises a bulletproof panel, a bulletproof back plate and a composite layer arranged between the bulletproof panel and the bulletproof back plate;
the composite layer is formed by sequentially and alternately forming buffer layers and metal honeycomb plate layers.
The buffer layer adopted by the invention has the characteristics of light weight, high strength, high modulus, good weather resistance and the like, and can be used as a good bulletproof material; the honeycomb structure material not only has good energy-absorbing shock attenuation effect when receiving the shot and assaulting, produces the restraint to its inside filler simultaneously, prevents to receive the shot to assault the back by the dispersion lead to the bullet hole periphery to suffer destruction, and in addition, metal material has certain toughness, can guarantee the decay by a wide margin of energy through deformation when receiving the shot and assaulting.
Preferably, the metal honeycomb plate layer is composed of a metal honeycomb core plate and a high-elasticity resin-based composite material or a ceramic sheet filled in the hole of the metal honeycomb core plate, wherein the high-elasticity resin-based composite material and the ceramic sheet are matched with the hole of the metal honeycomb core plate.
The honeycomb structure material and the internally filled material both have good energy absorption and shock absorption effects, and the honeycomb structure material can greatly restrict the internally filled ceramic plates, so that the internal ceramic plates cannot be knocked away by impact energy after the shot passes through the ceramic plates and continue to be retained in the honeycomb core. Meanwhile, the honeycomb holes arranged in a staggered manner can ensure the consistency of the impact of multiple shot, and avoid the local generation of larger deformation or damage.
Preferably, the metal honeycomb core plate is made of any one of titanium alloy, aluminum alloy and stainless steel, and the ceramic plate is made of boron carbide ceramic.
Preferably, the buffer layer is made of a ceramic plate or a metal alloy plate and has a thickness of 0.5-3 mm.
Preferably, the ceramic plate is made of any one of boron carbide, alumina, silicon carbide and titanium boride ceramic; the metal alloy plate is made of any one of titanium alloy, aluminum alloy and stainless steel.
Preferably, the metal honeycomb plate layer is at least 2 layers, and the bulletproof panel and the bulletproof back plate are both connected with the metal honeycomb plate layer.
Preferably, when two adjacent layers of the metal honeycomb plate layers are arranged, half honeycomb holes are arranged in parallel or in a staggered mode.
Preferably, the thickness of each layer of the metal honeycomb plate layer is 0.3-5 mm; the wall thickness of the metal honeycomb core plate honeycomb is 50 mu m-0.5mm, and the side length is 5-50 mm.
Preferably, the material of the bulletproof panel is boron carbide ceramic, and the thickness of the bulletproof panel is 1-10 mm.
The boron carbide ceramic has the characteristics of low density, high toughness, high strength, high hardness and the like, and can effectively reduce the kinetic energy of the shot and the energy transferred to the back plate after contacting the shot.
Preferably, the material of the bulletproof back plate is titanium alloy, and the thickness is 1-5 mm.
The preparation method of the light multilayer composite structure bulletproof armor plate specifically comprises the following steps:
(1) preparing a composite layer: filling a high-elasticity resin-based composite material or a ceramic sheet in a metal honeycomb core plate, gluing one side of a buffer layer and one side of the metal honeycomb core plate, then continuously gluing the other side of the buffer layer and the other filled metal honeycomb core plate, and repeating the steps to obtain a composite layer;
(2) and (3) gluing the bulletproof panel, the composite layer and the bulletproof back plate in sequence to obtain the lightweight multilayer composite structure bulletproof armor plate.
Preferably, the cementing adopts an autoclave curing molding process.
Preferably, the glue is any one of an epoxy glue film, polycarbonate and J-47(D type) foam glue.
Preferably, the use of the lightweight multilayer composite structural ballistic armor panel described above in the manufacture of helicopters and armored combat vehicles.
Compared with the prior art, the invention has the following beneficial effects:
(1) the multi-layer composite structure adopted by the invention can resist the continuous hitting ability of multiple bullets, when the bullets pass through the ceramic panel and enter the metal honeycomb core plate, the kinetic energy is obviously reduced, and after the bullets reach the ceramic plate or the metal alloy plate, the kinetic energy is obviously attenuated again, and through repeated attenuation, the kinetic energy is very small when the bullets reach the back plate, only the back plate can be slightly deformed or has no obvious influence, and the personnel safety is ensured.
(2) The multilayer structure adopted by the invention can ensure that the internal components are not dispersed and peeled off when being impacted by the projectile to the utmost extent. In addition, the metal honeycomb core plate has the toughening effect, the internal filler is protected, and the filled high-strength elastic resin or ceramic plate can absorb energy and absorb shock, so that the metal honeycomb core plate can resist continuous impact of multiple shots.
(3) The integral preparation process is relatively simple, and a large block of bulletproof armor can be conveniently prepared only by adopting a gluing mode. In addition, the material selection and the thickness regulation of the composite structure can be optimized according to the actual situation, and the switching of the armors of the helicopter and the military chariot can be realized. Meanwhile, the used materials are light materials, so that the maneuverability of the helicopter or the combat tank can be effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a block diagram of a lightweight multilayer composite structural ballistic armor panel of example 1 of the present invention;
fig. 2 is a block diagram of a lightweight multilayer composite structural ballistic armor panel of example 2 of the present invention;
wherein,
1-ballistic panel; 2-a metal honeycomb panel layer; 3-a buffer layer; 4-a ballistic back sheet; 5-high elastic resin based composite material or ceramic sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a lightweight multilayer composite structural ballistic armor panel comprising a ballistic panel 1, a ballistic backplane 4 and a composite layer disposed therebetween;
the composite layer is formed by sequentially and alternately arranging a buffer layer 3 and a metal honeycomb plate layer 2; the metal honeycomb plate layer 2 consists of a metal honeycomb core plate and a high-elasticity resin-based composite material or a ceramic plate 5 which is filled in holes of the metal honeycomb core plate and is matched with the metal honeycomb holes;
further, the metal honeycomb core plate is made of any one of titanium alloy, aluminum alloy and stainless steel, and the ceramic plate 5 is made of boron carbide ceramic;
further, the buffer layer 3 is made of a ceramic plate or a metal alloy plate, and the thickness of the buffer layer is 0.5-3 mm;
further, the ceramic plate is made of any one of boron carbide, alumina, silicon carbide and titanium boride ceramic; the metal alloy plate is made of any one of titanium alloy, aluminum alloy and stainless steel;
furthermore, the number of the metal honeycomb plate layers 2 is at least 2, and the bulletproof panel 1 and the bulletproof back plate 4 are connected with the metal honeycomb plate layers 2 and are bonded;
further, the bulletproof panel 1, the bulletproof back plate 4, the buffer layer 3 and the metal honeycomb plate layer 2 are connected in a gluing mode to form a glue film;
further, when two adjacent layers of the metal honeycomb plates 2 are arranged, half honeycomb holes are arranged in parallel or in a staggered manner;
further, the thickness of each layer 2 of the metal honeycomb plate layer is 0.3-5 mm; the wall thickness of the metal honeycomb core plate honeycomb is 50 mu m-0.5mm, and the side length is 5-50 mm;
further, the thickness of the buffer layer 3 is 0.5-3 mm;
further, the bulletproof panel 1 is made of boron carbide ceramic and has the thickness of 1-10 mm;
further, the bulletproof back plate 4 is made of titanium alloy and has the thickness of 1-5 mm.
Example 1
Referring to fig. 1, a lightweight multilayer composite structural bulletproof armor plate comprises the following preparation steps:
(1) preparing a fabric composite layer:
firstly, a titanium alloy raw material is adopted, a sheet is cut by a linear cutting mode, the sheet is cleaned, polished and polished, 2 single-layer metal honeycomb core plates with the thickness of 0.3mm are prepared by a brazing mode, the wall thickness of a metal honeycomb core plate honeycomb is 50 microns, the side length is 5mm, and meanwhile, a ceramic plate with the thickness matched with the size of the metal honeycomb core plate is prepared to prepare the high-elasticity resin-based composite material;
taking 1 metal honeycomb core plate, filling a high-elasticity resin-based composite material into the metal honeycomb core plate, realizing the bonding of the metal honeycomb core plate and a boron carbide buffer layer by an autoclave curing molding process, and then continuously bonding the other side of the boron carbide buffer layer and another filled metal honeycomb core plate by the autoclave curing molding process to obtain a composite layer consisting of 3 layers; when the metal honeycomb core plates and the ceramic plates are bonded, two adjacent honeycomb core plates are arranged in parallel, namely the side lengths of the honeycombs of the two honeycomb plates can be completely overlapped after the two honeycomb plates are vertically translated;
(2) the bulletproof panel 1 and the bulletproof back plate 4 are respectively glued with the metal honeycomb plate layers 2 at two sides of the composite layer, and the gluing modes of the bulletproof panel 1 and the bulletproof back plate are both formed by adopting a autoclave curing molding process, so that the lightweight multilayer composite structure bulletproof armor plate is obtained, wherein the bulletproof panel 1 is made of boron carbide ceramics and has the thickness of 1 mm; the bulletproof back plate 4 is made of titanium alloy and has the thickness of 1 mm.
Example 2
Referring to fig. 2, a lightweight multilayer composite structural bulletproof armor plate comprises the following preparation steps:
(1) preparing a fabric composite layer:
firstly, a titanium alloy raw material is adopted, a thin plate is cut by a linear cutting mode, the thin plate is cleaned, polished and polished, 3 single-layer metal honeycomb core plates with the thickness of 5mm are prepared by a brazing mode, the wall thickness of a metal honeycomb core plate honeycomb is 0.5mm, the side length is 50mm, and meanwhile, a metal alloy plate with the thickness matched with the size of the metal honeycomb core plate is prepared to prepare the high-elasticity resin-based composite material;
taking 1 metal honeycomb core plate, filling a high-elasticity resin-based composite material into the metal honeycomb core plate, realizing the bonding of the metal honeycomb core plate and a boron carbide buffer layer by an autoclave curing molding process, then continuously bonding the other side of the boron carbide buffer layer and another filled metal honeycomb core plate by the autoclave curing molding process, and repeating the steps to obtain a composite layer consisting of 5 layers; when the metal honeycomb core plates and the metal alloy plates are bonded, two adjacent honeycomb core plates are arranged in a staggered manner by half honeycomb holes, namely, the two honeycomb plates are vertically translated and then the side length and half edge of the honeycomb are overlapped;
(2) the bulletproof panel 1 and the bulletproof back plate 4 are respectively glued with the metal honeycomb plate layers 2 at two sides of the composite layer, and the gluing modes of the bulletproof panel 1 and the bulletproof back plate are both formed by adopting a autoclave curing molding process, so that the lightweight multilayer composite structure bulletproof armor plate is obtained, wherein the bulletproof panel 1 is made of boron carbide ceramics and has the thickness of 10 mm; the bulletproof back plate 4 is made of titanium alloy and has the thickness of 5 mm.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments can be referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A light multilayer composite structure bulletproof armor plate is characterized by comprising a bulletproof panel, a bulletproof back plate and a composite layer arranged between the bulletproof panel and the bulletproof back plate;
the composite layer is formed by sequentially and alternately forming buffer layers and metal honeycomb plate layers.
2. The lightweight multilayer composite ballistic armor plate of claim 1 wherein said metal honeycomb panel layers are comprised of a metal honeycomb core and a high elasticity resin based composite or ceramic sheet filling the metal honeycomb core holes.
3. The lightweight multilayer composite ballistic armor plate of claim 2, wherein said metal honeycomb core is made of any one of titanium alloy, aluminum alloy and stainless steel, and said ceramic sheet is made of boron carbide ceramic.
4. A lightweight multilayer composite structural ballistic armor panel according to claim 1, wherein the material of said buffer layer is a ceramic or metal alloy plate having a thickness of 0.5 to 3 mm.
5. The lightweight multilayer composite ballistic armor plate of claim 4, wherein said ceramic plate is made of any one of boron carbide, alumina, silicon carbide and titanium boride ceramic; the metal alloy plate is made of any one of titanium alloy, aluminum alloy and stainless steel.
6. The lightweight multilayer composite ballistic armor panel of claim 1 wherein said metal honeycomb plies are at least 2, said ballistic panels and said ballistic back panel are each connected to said metal honeycomb plies.
7. The lightweight multilayer composite ballistic armor panel of claim 1 wherein adjacent two of said metal honeycomb panel layers are arranged in parallel or offset half of the honeycomb cells.
8. A lightweight multilayer composite structural ballistic armor panel according to claim 1, wherein the thickness of each of said metal honeycomb plies is from 0.3 to 5 mm; the wall thickness of the metal honeycomb core plate honeycomb is 50 mu m-0.5mm, and the side length is 5-50 mm.
9. A lightweight multilayer composite structural ballistic armor panel according to claim 1, wherein the material of said ballistic resistant panels is boron carbide ceramic with a thickness of 1-10 mm; the bulletproof back plate is made of titanium alloy and has the thickness of 1-5 mm.
10. A preparation method of a light multilayer composite structure bulletproof armor plate is characterized by comprising the following steps:
(1) preparing a composite layer: filling a high-elasticity resin-based composite material or a ceramic sheet in a metal honeycomb core plate, gluing one side of a buffer layer and one side of the metal honeycomb core plate, then continuously gluing the other side of the buffer layer and the other filled metal honeycomb core plate, and repeating the steps to obtain a composite layer;
(2) and (3) gluing the bulletproof panel, the composite layer and the bulletproof back plate in sequence to obtain the lightweight multilayer composite structure bulletproof armor plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111376633.9A CN114166069A (en) | 2021-11-19 | 2021-11-19 | Light multilayer composite structure bulletproof armor plate and preparation method thereof |
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| CN202111376633.9A CN114166069A (en) | 2021-11-19 | 2021-11-19 | Light multilayer composite structure bulletproof armor plate and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115096140A (en) * | 2022-06-24 | 2022-09-23 | 南京理工大学 | Multilayer function water conservancy diversion formula protective structure |
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| CN111272017A (en) * | 2020-03-23 | 2020-06-12 | 湖南大学 | Ultralight bullet-resistant composite board suitable for manufacturing light combat tank |
| CN109405647B (en) * | 2018-11-05 | 2021-02-02 | 中国航空制造技术研究院 | Brick wall type multilayer tortoise shell protection device and preparation method thereof |
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2021
- 2021-11-19 CN CN202111376633.9A patent/CN114166069A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1211489A (en) * | 1969-07-15 | 1970-11-04 | Norton Co | Composite ceramic armour |
| CN1746609A (en) * | 2005-10-17 | 2006-03-15 | 北京科技大学 | Composite bulletproof armour with steel honeycomb ceramic sandwich and manufacture thereof |
| CN108372692A (en) * | 2016-12-21 | 2018-08-07 | 中国航空制造技术研究院 | A kind of biomimetic features plate armour of multiple elements design toughening type and preparation method thereof |
| CN108050891A (en) * | 2017-12-19 | 2018-05-18 | 北京理工大学 | A kind of compound sandwich ballistic structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115096140B (en) * | 2022-06-24 | 2023-09-22 | 南京理工大学 | Multilayer functional water conservancy diversion formula protective structure |
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