CN115972699A - Composite ceramic layered material and preparation method thereof - Google Patents
Composite ceramic layered material and preparation method thereof Download PDFInfo
- Publication number
- CN115972699A CN115972699A CN202310009269.5A CN202310009269A CN115972699A CN 115972699 A CN115972699 A CN 115972699A CN 202310009269 A CN202310009269 A CN 202310009269A CN 115972699 A CN115972699 A CN 115972699A
- Authority
- CN
- China
- Prior art keywords
- layer
- ceramic panel
- ceramic
- crack
- panel layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The application provides a composite ceramic laminar material and a preparation method thereof, the composite ceramic laminar material comprises a ceramic panel layer, a metal frame, a crack-stopping layer, an adhesive layer and a back lining layer, the ceramic panel layer and the crack-stopping layer are arranged in the metal frame, a plurality of grooves distributed at intervals are formed in the back of the ceramic panel layer, the crack-stopping layer is formed by integrally solidifying the back of the ceramic panel layer and plastic filled in the grooves, and the back lining layer is adhered to the crack-stopping layer through the adhesive layer. This application plastics in the recess have elastic deformation ability when receiving the shock wave, can absorb partial impact force and reduce the extension of crackle on the ceramic panel layer, reduce the aversion that ceramic panel layer produced the fragmentation zone under the effect of shock wave, are favorable to improving the ability that ceramic panel's anti many bullets hit in succession.
Description
Technical Field
The application relates to the technical field of armor plates, in particular to a composite ceramic layered material and a preparation method thereof.
Background
The ceramic has the advantages of high hardness and light weight. The characteristics of the ceramic material are strong in defense capability to kinetic energy ammunition and ammunition fragments, so that the ceramic technology is also used for protecting tanks, armored vehicles, even airplanes and other weaponry.
When a powerful bullet impacts the ceramic surface, the ceramic hardness is higher than the flying speed of the bullet, so that the bullet can be passivated, fine and hard fragment areas are formed on the ceramic surface in a smashing mode, the deformed bullet continues to erode the fragment areas through the residual kinetic energy, when ceramic fragments generate huge friction force with the ceramic fragments, kinetic energy can be further absorbed by the bullet, the ceramic can be broken when tension is generated on the ceramic, the back plate can be deformed along with the ceramic, when overpressure shock waves are transmitted to the boundary surface of the ceramic and the polymer bonding layer, the overpressure shock waves generate strong stretching effect to damage the ceramic layer, the ceramic layer is separated from the lining layer under the stretching and shearing effects, and meanwhile, the bullet is pressed to be broken and a conical fracture area can be formed around the impact point.
After the ceramic panel bears a single bullet to form a fragmentation zone, the fragmentation zone is easy to displace under the impact action of a subsequent bullet head to lose the anti-bullet hitting capability, and the multi-bullet continuous hitting resistance of the ceramic panel is restricted.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a composite ceramic layered material and a preparation method thereof, and the adopted technical scheme comprises the following steps:
the composite ceramic laminated material comprises a ceramic panel layer, a metal frame, a crack-stopping layer, an adhesive layer and a back lining layer, wherein the ceramic panel layer and the crack-stopping layer are arranged in the metal frame, a plurality of grooves distributed at intervals are formed in the back surface of the ceramic panel layer, the crack-stopping layer is formed by integrally solidifying the back surface of the ceramic panel layer and plastic filled in the grooves, and the back lining layer is adhered to the crack-stopping layer through the adhesive layer.
The technical scheme adopted by the embodiment of the invention for solving the technical problem is as follows: the back surface of the ceramic panel layer is provided with a plurality of groove groups, each groove group comprises a plurality of grooves which are distributed in a circumferential array mode around the middle of the ceramic panel layer as a center, the plurality of groove groups are distributed in the same circle mode with the middle of the ceramic panel layer as the center, and two grooves of two adjacent groove groups are distributed in a staggered mode.
The technical scheme adopted by the embodiment of the invention for solving the technical problem is as follows: the grooves are distributed on the ceramic panel layer in a rectangular array.
The technical scheme adopted by the embodiment of the invention for solving the technical problem is as follows: the crack-stopping layer is made of ultra-high molecular weight polyethylene.
The technical scheme adopted by the embodiment of the invention for solving the technical problem is as follows: the back lining layer is woven by nylon fibers, aramid fibers or polyethylene fibers.
The technical scheme adopted by the embodiment of the invention for solving the technical problem is as follows: the ceramic panel layer is made of one or more of aluminum oxide, aluminum nitride, silicon carbide and boron carbide.
The application also provides a preparation method of the composite ceramic layered material, which comprises the following steps:
step 1, adding aluminum oxide, aluminum nitride, silicon carbide or boron carbide into a ball milling tank, adding the mixture into water, carrying out ball milling, uniformly mixing to form mixed slurry, drying the mixed slurry, pressing the dried mixed slurry, sintering the dried mixed slurry after press molding, and finally cooling the pressed mixed slurry to room temperature to obtain a ceramic panel layer with a groove on the back;
and 4, coating an adhesive on the crack-stopping layer, adhering the backing to the crack-stopping layer through the adhesive, and curing the adhesive to obtain the composite ceramic layered material.
The technical scheme adopted by the embodiment of the invention for solving the technical problem is as follows: in the step 3, the metal frame is heated to 700-800 ℃, the adhesive is coated on the periphery of the ceramic panel layer and the crack-stopping layer, and then the ceramic panel layer is placed in the metal frame.
The invention has the beneficial effects that:
according to the ceramic panel, the plastics in the grooves are distributed on the ceramic panel layer at intervals, when the ceramic panel layer is impacted and cracks are generated, the plastics in the grooves have elastic deformation capacity when being impacted, can absorb part of impact force and reduce the expansion of the cracks on the ceramic panel layer, and also play a role in buffering deformation of a fragmentation zone generated on the ceramic panel layer, so that the displacement of the fragmentation zone generated by the ceramic panel layer under the action of the impact wave is reduced, and the capacity of resisting multiple bombs and continuous striking of the ceramic panel is improved;
on the other hand, the ceramic panel layer and the adhesive layer are both arranged in the metal frame, so that the crack stopping layer is used for reducing the displacement of the cracking zone, and the metal frame is wrapped outside the ceramic panel layer and the crack stopping layer, so that the displacement of the cracking zone of the ceramic panel layer is favorably limited, and the multi-projectile continuous hitting resistance of the ceramic panel is favorably improved.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is an exploded view of the structure of a composite ceramic layered material according to an embodiment of the present application;
fig. 2 is a cross-sectional view of a composite ceramic layered material according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, a plurality of means is two or more, and greater than, less than, more than, etc. are understood as excluding the present number, and greater than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless explicitly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical field can reasonably determine the specific meaning of the words in the invention by combining the specific contents of the technical scheme.
The composite ceramic laminated material comprises a ceramic panel layer 1, a metal frame 2, a crack-stopping layer 3, an adhesive layer 4 and a backing layer 5, wherein the ceramic panel layer 1 and the crack-stopping layer 3 are arranged in the metal frame 2, a plurality of grooves 11 distributed at intervals are formed in the back surface of the ceramic panel layer 1, the crack-stopping layer 3 is formed by integrally curing the back surface of the ceramic panel layer 1 and plastic filled in the grooves 11, and the backing layer 5 is adhered to the crack-stopping layer 3 through the adhesive layer 4.
According to the application, the plurality of grooves 11 are distributed on the ceramic panel layer 1 at intervals, when the ceramic panel layer 1 is impacted and cracks are generated, plastics in the grooves 11 distributed at intervals have elastic deformation capacity when being subjected to shock waves, can absorb partial impact force and reduce the expansion of the cracks on the ceramic panel layer 1, and also play a role in buffering deformation of a fragmentation zone generated on the ceramic panel layer 1, so that the displacement of the fragmentation zone generated by the ceramic panel layer 1 under the action of the shock waves is reduced, and the capability of the ceramic panel of resisting multi-bomb continuous striking is improved;
on the other hand, the ceramic panel layer 1 and the adhesive layer 4 are both arranged in the metal frame 2, so that the cracking zone is prevented from shifting through the crack stop layer 3, and the metal frame 2 wraps the ceramic panel layer 1 and the crack stop layer 3, so that the shifting of the cracking zone of the ceramic panel layer 1 is favorably limited, and the multi-bomb-resistant continuous hitting capability of the ceramic panel is favorably improved.
The size and the interval of the grooves 11 can be designed according to different scenes, so that the impact tool is suitable for the impact of weapons with different specifications.
In this embodiment, referring to fig. 1, a plurality of grooves 11 are distributed in the ceramic panel layer 1 in a rectangular array, and when the ceramic panel layer 1 is impacted, the plastic around the impact part buffers and absorbs the impact force, so as to ensure that the plastic in the grooves 11 can effectively reduce the displacement of the fracture area.
In another embodiment, a plurality of groove sets are arranged on the back surface of the ceramic panel layer 1, each groove set respectively comprises a plurality of grooves 11 distributed in a circumferential array around the middle of the ceramic panel layer 1 as a center, the plurality of groove sets are distributed in a same circle around the middle of the ceramic panel layer 1 as a center, and two grooves 11 of two adjacent groove sets are distributed in a staggered manner, so that plastics on the ceramic panel layer 1 are distributed in a staggered manner.
In this embodiment, the crack stopper layer 3 is made of ultra-high molecular weight polyethylene, and the viscosity average molecular weight of the ultra-high molecular weight polyethylene is 150 ten thousand, so that the crack stopper layer has excellent wear resistance and impact resistance.
The back lining layer 5 is woven by nylon fibers, aramid fibers or polyethylene fibers;
the ceramic panel layer 1 is made of aluminum oxide, aluminum nitride, silicon carbide or boron carbide;
the metal frame 2 is made of steel or titanium alloy.
The material of the adhesive layer 4 is epoxy resin, polyurethane or phenolic resin.
In the embodiment, the thickness of the ceramic panel layer is 10-15mm, the depth of the groove is 5-10mm, the metal frame 2 is in a groove shape, and the thickness of the metal frame 2 is 2-5mm.
Based on the above, the present application also provides a preparation method of the composite ceramic layered material, which comprises:
step 1, adding one or more of aluminum oxide, aluminum nitride, silicon carbide and boron carbide into a ball milling tank, adding the mixture into water, carrying out ball milling for 3-5 hours, uniformly mixing to form mixed slurry, drying the mixed slurry, pressing the dried mixed slurry, carrying out compression molding, sintering, and finally cooling to room temperature to obtain a ceramic panel layer 1 with a groove 11 on the back;
and 4, coating an adhesive on the crack-stopping layer 3, adhering the back lining to the crack-stopping layer 3 through the adhesive, and curing the adhesive to obtain the composite ceramic laminated material.
Furthermore, in the step 3, after the adhesive is coated on the peripheries of the ceramic panel layer 1 and the crack arrest layer 3, the ceramic panel layer 1 is placed in the metal frame 2.
It is to be understood that the present invention is not limited to the above-described embodiments, and that equivalent modifications and substitutions may be made by those skilled in the art without departing from the spirit of the present invention, and that such equivalent modifications and substitutions are to be included within the scope of the appended claims.
Claims (8)
1. The composite ceramic laminar material is characterized by comprising a ceramic panel layer (1), a metal frame (2), a crack-stopping layer (3), an adhesive layer (4) and a backing layer (5), wherein the ceramic panel layer (1) and the crack-stopping layer (3) are arranged in the metal frame (2), a plurality of grooves (11) distributed at intervals are formed in the back surface of the ceramic panel layer (1), the crack-stopping layer (3) is formed by integrally solidifying the back surface of the ceramic panel layer (1) and plastic filled in the grooves (11), and the backing layer (5) is adhered to the crack-stopping layer (3) through the adhesive layer (4).
2. The composite ceramic laminated material according to claim 1, wherein a plurality of groove sets are provided on the back surface of the ceramic panel layer (1), each groove set comprises a plurality of grooves (11) distributed in a circumferential array around the central portion of the ceramic panel layer (1), the plurality of groove sets are distributed in a concentric manner around the central portion of the ceramic panel layer (1), and two grooves (11) of two adjacent groove sets are distributed in a staggered manner.
3. The composite ceramic laminar material according to claim 2, characterized in that a plurality of the grooves (11) are distributed in a rectangular array on the ceramic panel layer (1).
4. The composite ceramic laminar material according to claim 1, characterized in that the crack stop layer (3) is made of ultra-high molecular weight polyethylene.
5. The composite ceramic laminate according to claim 1, wherein the backing layer (5) is woven from nylon, aramid or polyethylene fibers.
6. The composite ceramic laminate according to claim 1, wherein the ceramic panel layer (1) is made of one or more of aluminum oxide, aluminum nitride, silicon carbide and boron carbide.
7. A method of making a composite ceramic laminate according to any one of claims 1 to 6, comprising:
step 1, adding aluminum oxide, aluminum nitride, silicon carbide or boron carbide into a ball milling tank, adding the mixture into water, carrying out ball milling, mixing uniformly to form mixed slurry, drying the mixed slurry, pressing the dried mixed slurry, carrying out compression molding, sintering, and finally cooling to room temperature to obtain a ceramic panel layer (1) with a groove (11) on the back;
step 2, performing injection molding on the back of the ceramic panel layer (1) obtained in the step 1 to form an ultra-high molecular weight polyethylene, and curing the ultra-high molecular weight polyethylene to form a crack stop layer (3);
step 3, preparing a metal frame (2), heating the metal frame (2) to 700-800 ℃, putting the ceramic panel layer (1) and the crack-stopping layer (3) into the metal frame (2), and cooling the metal frame (2) to room temperature;
and 4, coating an adhesive on the crack-stopping layer (3), adhering the back lining to the crack-stopping layer (3) through the adhesive, and curing the adhesive to obtain the composite ceramic laminar material.
8. The method for preparing the composite ceramic laminated material according to the claim 7, wherein in the step 3, after the adhesive is coated on the periphery of the ceramic panel layer (1) and the crack-stopping layer (3), the ceramic panel layer (1) is placed in the metal frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310009269.5A CN115972699A (en) | 2023-01-04 | 2023-01-04 | Composite ceramic layered material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310009269.5A CN115972699A (en) | 2023-01-04 | 2023-01-04 | Composite ceramic layered material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115972699A true CN115972699A (en) | 2023-04-18 |
Family
ID=85975808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310009269.5A Pending CN115972699A (en) | 2023-01-04 | 2023-01-04 | Composite ceramic layered material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115972699A (en) |
-
2023
- 2023-01-04 CN CN202310009269.5A patent/CN115972699A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1925903B1 (en) | Armor | |
| US7478579B2 (en) | Encapsulated ballistic structure | |
| US9696122B2 (en) | Antiballistic article and method of producing same | |
| EP2232190B1 (en) | Protection armor | |
| CN109855473B (en) | Composite bulletproof armor plate and preparation method thereof | |
| CN109269350A (en) | Ceramic body fills elastic sandwich composite protection structure | |
| US8087340B2 (en) | Composite treatment of ceramic tile armor | |
| US9797691B1 (en) | Ceramic armor buffers for enhanced ballistic performance | |
| CN111805983A (en) | Bulletproof unit and manufacturing process thereof | |
| CN110631421B (en) | Ultra-light armor and preparation method thereof | |
| CN114087924A (en) | Multi-bullet-resistant lightweight bionic bulletproof plugboard and manufacturing method thereof | |
| CN115972699A (en) | Composite ceramic layered material and preparation method thereof | |
| CN110749235A (en) | Ultra-light armor product and preparation method thereof | |
| EP1288607A1 (en) | Anti-ballistic ceramic articles | |
| JP2005164071A (en) | Bulletproof member | |
| EP2208961A1 (en) | Armour composite and production method thereof | |
| GB2364956A (en) | Ballistic protection shield | |
| CN210441747U (en) | Composite construction armour with inhale stealthy function of ripples | |
| CN113442526A (en) | Self-repairing bulletproof composite board and manufacturing method thereof | |
| CN114750469A (en) | Anti-elastic composite material containing negative Poisson's ratio ceramic structure and preparation method | |
| RU2130159C1 (en) | Bullet-proof panel used in armor protection | |
| CN109579618B (en) | Composite bulletproof garment | |
| CN109263191B (en) | Method for preparing ceramic composite armor | |
| CN219956289U (en) | Ceramic composite bulletproof armor for defending 14.5mm armor-piercing combustion bomb | |
| CN220931873U (en) | Anti many bullet structure armor plate of integral type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |