CN115388711B - Light composite material bulletproof plate and preparation method thereof - Google Patents

Light composite material bulletproof plate and preparation method thereof Download PDF

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Publication number
CN115388711B
CN115388711B CN202211066048.3A CN202211066048A CN115388711B CN 115388711 B CN115388711 B CN 115388711B CN 202211066048 A CN202211066048 A CN 202211066048A CN 115388711 B CN115388711 B CN 115388711B
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layer
composite material
carbon fiber
composite
thickness
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CN115388711A (en
Inventor
王玲玲
王玲
闫少谦
阮光光
段婷婷
徐兴亚
郭雁
王吉辉
辛培训
李宁
黄玉松
汪得功
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Shandong Non Metallic Material Research Institute
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Shandong Non Metallic Material Research Institute
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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
    • F41H5/0414—Layered armour containing ceramic material
    • F41H5/0428—Ceramic layers in combination with additional layers made of fibres, fabrics or plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/005—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • 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
    • F41H5/0414—Layered armour containing ceramic material
    • F41H5/0428—Ceramic layers in combination with additional layers made of fibres, fabrics or plastics
    • F41H5/0435—Ceramic layers in combination with additional layers made of fibres, fabrics or plastics the additional layers being only fibre- or fabric-reinforced layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2571/00—Protective equipment
    • B32B2571/02—Protective equipment defensive, e.g. armour plates or anti-ballistic clothing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

The invention belongs to the technical field of composite materials, and particularly relates to a light composite material bulletproof plate and a preparation method thereof, wherein the bulletproof plate is formed by compounding a ceramic panel and a composite material backboard, and the ceramic panel is formed by splicing regular hexagon ceramic blocks; the composite material backboard is of a multi-layer composite structure with a gap buffer layer, and comprises a carbon fiber reinforced resin matrix composite layer, an aramid fiber reinforced resin matrix composite layer, an ultra-high molecular weight polyethylene fiber composite layer, a gap buffer layer and a matrix layer from top to bottom in sequence; the ceramic blocks form a slope angle of 30-50 degrees in the thickness direction, and a gap buffer layer is arranged in the composite material backboard, so that the overall elastic resistance of the bulletproof plate is improved; the armor is adapted to be mounted on the exterior of an armored vehicle and to cooperate with the base deck to resist 53-type 7.62mm fire through projectiles.

Description

Light composite material bulletproof plate and preparation method thereof
Technical Field
The invention belongs to the technical field of composite materials, and particularly relates to a light composite material bulletproof plate and a preparation method thereof.
Background
At present, the anti-bullet ceramic composite armor has become a mainstream structure of resisting 53 type 7.62mm fire-through bullets, the panel is usually made of ceramics such as alumina, silicon carbide, boron carbide and the like, and the back plate is usually made of composite materials with good toughness, such as metal materials such as armor steel, armor aluminum, titanium alloy and the like, and nonmetallic materials such as aramid fiber, high-strength polyethylene plates and the like. The ceramic panel formed by splicing small ceramic blocks has strong multi-bullet resistance, but the splicing part of the ceramic blocks has poor elastic resistance. It is difficult for a single type of back sheet material to meet the requirements of ballistic armor for lightweight and high protective properties. Thus, the development of ballistic armor back sheet materials has evolved from a single to multiple hybrid directions, allowing the advantages of multiple ballistic materials to complement for optimal ballistic performance. Polyethylene fiber has good impact resistance and large specific energy absorption, has a specific impact load value which is 10 times that of steel, and is widely applied to the field of protection, but mainly consumes projectile energy through bending layering, namely large deformation, has obvious back bulge, and is practically applied to composite armor, and the composite armor loses part of the elastic resistance due to the influence of space limitation.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a light composite material bulletproof plate and a preparation method thereof.
The purpose of the invention is realized in the following way: the panel is manufactured by splicing the regular hexagon ceramic blocks with the upper and lower surfaces at a slope angle of 30-50 degrees, the positions of the ceramic block joints are changed by adjusting the shapes and the sizes of the regular hexagon ceramic blocks, the ceramic joints are ensured not to be perpendicular to the bulletproof surface, the uniformity of the protective performance of the composite bulletproof plate is improved, and the problem of weak protective capability of the ceramic panel at the splicing position is solved; the composite material plate formed by compounding the carbon fiber, the aramid fiber, the ultra-high molecular weight polyethylene, the gap buffer layer and the matrix layer is used as a back plate, gaps are introduced into the composite material back plate, the characteristics of compression resistance and shearing resistance of the carbon fiber are fully utilized by the carbon fiber composite material layer in front according to the incident direction of the projectile, the characteristics of high plastic deformation and energy absorption of the aramid fiber composite material layer and the ultra-high molecular weight polyethylene composite material layer are exerted later, the gap layer is arranged behind the ultra-high molecular weight polyethylene composite material layer so as to exert the function of the buffer layer, namely, the anti-bullet ceramic panel is provided with enough back strength, and enough deformation space is provided for the ultra-high molecular weight polyethylene fiber so as to consume the energy of the projectile, so that the synergistic protection effect of the multi-layer composite structure is fully exerted.
The invention adopts the following specific technical scheme:
a light composite material bulletproof plate is formed by compounding a ceramic panel and a composite material backboard, and is characterized in that: the ceramic panel is formed by splicing regular hexagonal ceramic blocks, and the thickness is 6-12 mm; the composite material backboard is of a multi-layer composite structure with a gap buffer layer, and comprises a carbon fiber reinforced resin matrix composite layer, an aramid fiber reinforced resin matrix composite layer, an ultra-high molecular weight polyethylene fiber composite layer, the gap buffer layer and a matrix layer from top to bottom in sequence, wherein the thickness of the composite material backboard is 20-30 mm.
The carbon fiber reinforced resin matrix composite layer is prepared from a T800 or T1000 carbon fiber fabric and thermosetting resin, wherein the volume content of the carbon fiber is not less than 60%, and the thickness is 2-5 mm.
The aramid fiber reinforced resin matrix composite layer is prepared from aramid fiber class fiber fabrics and thermoplastic films, wherein the volume content of the aramid fiber is not less than 65%, and the thickness is 2-5 mm.
The ultra-high molecular weight polyethylene fiber composite material layer is formed by hot-press molding ultra-high molecular weight polyethylene fiber weft-free cloth, and the thickness is 3-6 mm.
The thickness of the gap buffer layer is 6-12 mm.
The matrix layer is prepared from a T800 or T1000 carbon fiber fabric and thermosetting resin, wherein the volume content of the carbon fiber is not less than 60%, and the thickness is 3-8 mm.
Further, the side length of the ceramic block is 15-36 mm, and the slope angle of the ceramic block along the thickness direction is 30-50 degrees.
The ceramic block is TBC ceramic, B 4 One or two of C ceramic.
The single-layer surface density of the ultra-high molecular weight polyethylene fiber non-woven cloth is 30-35 g/cm 2 。
The preparation method of the light composite material bulletproof plate comprises the steps of ceramic panel preparation, composite material back plate preparation, ceramic panel and composite material back plate compounding, wherein the composite material back plate preparation comprises carbon fiber reinforced resin matrix composite material layer preparation, aramid fiber reinforced resin matrix composite material layer preparation, ultra-high molecular weight polyethylene fiber composite material layer preparation, gap buffer layer and matrix layer preparation and bonding, and the preparation method comprises the following specific steps:
1) Preparation of ceramic panels
Selecting regular hexagon ceramic blocks, splicing the ceramic blocks, and vacuum-infusion molding by adopting vinyl ester resin to prepare a ceramic panel;
2) Preparation of carbon fiber reinforced resin matrix composite layer
Cutting a carbon fiber fabric, firstly laying the carbon fiber fabric to a designed thickness, adopting vinyl ester resin as thermosetting resin, and preparing a carbon fiber reinforced resin matrix composite material layer by using a resin vacuum infusion molding process;
3) Preparation of aramid fiber reinforced resin matrix composite layer
Cutting aramid fiber fabric and thermoplastic adhesive film, laying the laminate to a designed thickness, preparing an aramid fiber reinforced resin matrix composite material layer by hot press molding, wherein the hot press molding conditions are as follows: the temperature is 130-160 ℃, the pressure is 3-8 MPa, and the time is 1-2 h;
4) Preparation of ultra-high molecular weight polyethylene fiber composite material layer
Cutting a certain number of layers of ultra-high molecular weight polyethylene fiber laid cloth, preparing an ultra-high molecular weight polyethylene fiber composite material layer by adopting hot press molding, and carrying out hot press molding under the conditions of: the temperature is 120-126 ℃, the pressure is 10-20 MPa, and the time is 0.5-1 h;
5) Preparation of gap buffer layer and matrix layer
Cutting two kinds of carbon fiber fabrics with different sizes, firstly laying a large-size carbon fiber fabric to an expected thickness, then laying a small-size carbon fiber fabric on the outer edge of the upper surface of a large-size carbon fiber fabric layer to form a frame with a certain width, laying a layer of demolding cloth on the bottom surface of a cavity formed by the frame and the large-size carbon fiber fabric layer, filling the cavity with a foam material, and adopting a resin vacuum infusion integrated molding process to prepare a gap buffer layer and a matrix layer;
6) Bonding
Adopting polyurethane adhesive to bond the products obtained in the steps 2), 3), 4) and 5) in sequence to obtain a composite material backboard, wherein the composite material backboard sequentially comprises a carbon fiber reinforced resin matrix composite material layer, an aramid fiber reinforced resin matrix composite material layer, an ultra-high molecular weight polyethylene fiber composite material layer, a gap buffer layer and a matrix layer from top to bottom;
7) Composite of ceramic face plate and composite back plate
And uniformly coating polyurethane adhesive on the back of the ceramic panel, and bonding with the front of the composite material backboard, wherein after the adhesive is cured, the light composite material bulletproof board is obtained.
Compared with the prior art, the invention has the advantages and beneficial effects that:
(1) The appearance of the ceramic block is designed to form a slope angle of 30-50 degrees in the thickness direction, so that the splice formed by splicing is not perpendicular to the bulletproof surface, the uniformity of the protective performance in the composite armor surface is improved, and the problem of weak protective capability at the splice of the ceramic panel is solved.
(2) The multi-layer composite material is cooperatively designed, fully plays the advantages of each layer of material, can be used in a wide temperature range of-43 ℃ to +46 ℃, and has good elastic resistance.
(3) A gap buffer layer is arranged in the composite material backboard and is used as a high plastic deformation area of the fiber reinforced resin matrix composite material layer to consume the energy of the projectile, so that the overall anti-bullet performance of the anti-bullet plate is improved.
(4) The lightweight composite ballistic panel is adapted to be mounted on the exterior of an armored vehicle and to cooperate with a base deck to resist 53-type 7.62mm fire through.
Drawings
FIG. 1 is a schematic view of a light composite material bulletproof plate structure according to the present invention
Wherein: 1-ceramic panel, 2-carbon fiber reinforced resin matrix composite layer, 3-aramid fiber reinforced resin matrix composite layer, 4-ultra-high molecular weight polyethylene fiber composite layer, 5-gap buffer layer and 6-matrix layer
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples which are given for a better understanding of the invention but are not to be construed as limiting the invention.
The resin vacuum infusion molding process is a conventional process, at normal temperature, a die is subjected to high-gloss treatment, pre-cut fibers are paved according to the process, the fibers are paved flatly, auxiliary materials such as release cloth, a flow guide net, a flow guide pipe and the like are paved, and a vacuum bag film is sealed; after the material is laid, vacuumizing, wherein the vacuum degree is higher than 0.8bar, and then introducing resin; after the resin is cured for 48 hours, demolding treatment is carried out.
Example 1
A light composite material bulletproof plate is formed by compounding a ceramic panel and a composite material backboard, wherein the total thickness is 28mm, the thickness of the ceramic panel is 8mm, the composite material backboard is of a multi-layer composite structure with a gap buffer layer, and the composite material backboard is sequentially provided with a carbon fiber reinforced resin matrix composite material layer, an aramid fiber reinforced resin matrix composite material layer, an ultra-high molecular weight polyethylene fiber composite material layer, a gap buffer layer and a matrix layer from top to bottom, as shown in figure 1.
The preparation method of the light composite material bulletproof plate comprises the following steps:
(1) Preparation of ceramic panels
Selecting a material with a side length of 36mm and a density of 2.45g/cm 3 Regular hexagon B with Vickers hardness of 30GPa, thickness of 8mm and upper and lower surface inclination angle of 45 DEG 4 And C, splicing the ceramic blocks into a ceramic panel, and performing vacuum infusion molding by using 905-2 epoxy vinyl ester resin to obtain the ceramic panel with the thickness of 500mm multiplied by 8mm.
(2) Preparation of carbon fiber reinforced resin matrix composite layer
Cutting a T800 carbon fiber fabric with the thickness of 500mm multiplied by 500mm, laying 8 layers of carbon fiber fabrics, and adopting a 905-2 epoxy vinyl ester resin vacuum infusion molding process to prepare a carbon fiber reinforced resin matrix composite material layer with the thickness of 3mm, wherein the volume content of the T800 carbon fiber is 60%.
(3) Preparation of aramid fiber reinforced resin matrix composite layer
Cutting 500mm multiplied by 500mm aramid fiber III fiber fabric and HJU polyurethane (TPU) hot melt adhesive film, alternately laying 26 layers of aramid fiber III fiber fabric and HJU TPU hot melt adhesive film, and adopting a hot press molding process to prepare a 3mm aramid fiber reinforced resin matrix composite material layer, wherein the hot press molding conditions are as follows: the molding temperature is 160 ℃, the pressure is 3MPa, the time is 1h, and the volume content of the aramid fiber is 66%.
(4) Preparation of ultra-high molecular weight polyethylene fiber composite material layer
Cutting 500mm×500mm ultra-high molecular weight polyethylene UD cloth (single layer ultra-high molecular weight polyethylene UD cloth surface density is 33.5 g/cm) 2 ) Laying an ultra-high molecular weight polyethylene UD cloth 33 layer, and adopting a hot-press molding process to prepare an ultra-high molecular weight polyethylene fiber composite material layer with the thickness of 4mm, wherein the hot-press molding conditions are as follows: the temperature is 124 ℃, the pressure is 15MPa, and the time is 1h.
(5) Preparation of gap buffer layer and matrix layer
Cutting two kinds of T1000 carbon fiber fabrics with different sizes of 500mm multiplied by 500mm and 485mm multiplied by 15mm, firstly laying 10 layers of 500mm multiplied by 500mm carbon fiber fabrics, then laying 15 layers of 485mm multiplied by 15mm carbon fiber fabrics on the outer edge of the upper surface of the 500mm multiplied by 500mm carbon fiber fabric layer to form a frame with the outer contour dimension of 500mm multiplied by 500mm and the width of 15mm, laying a layer of release cloth on the bottom surface of a cavity formed by the frame and the carbon fiber fabric layer, filling the cavity by using a foam material, and adopting a 905-2 epoxy vinyl ester resin vacuum infusion molding process to prepare a gap buffer layer with the thickness of 6mm and a matrix layer with the thickness of 4mm, wherein the volume content of the T1000 carbon fiber is 60%.
(6) Preparation of composite backboard
And (3) bonding the products obtained in the steps (2), 3), 4) and 5) by adopting 540 polyurethane adhesive according to the sequence to obtain the composite material backboard, wherein the thickness of the composite material backboard is 20mm.
(7) Composite of ceramic face plate and composite back plate
And uniformly coating 540 polyurethane adhesive on the back of the ceramic panel, bonding with the front of the composite material backboard, and curing the adhesive to obtain the light composite material bulletproof board, as shown in fig. 1.
Through test, the thickness of the prepared bulletproof plate is 28mm, and the surface density is 39.2kg/m 2 At normal temperature, the armor plate resists the shooting of the armor-piercing bullet of 7.62mm without perforation after the armor-piercing bullet of 3 shots of 7.62mm (the bullet speed is 808-815 m/s).
Example two
A light composite material bulletproof plate is formed by compounding a ceramic panel and a composite material backboard, wherein the total thickness is 36mm, the thickness of the ceramic panel is 8mm, the composite material backboard is of a multi-layer composite structure with a gap buffer layer, and the composite material backboard is sequentially provided with a carbon fiber reinforced resin matrix composite material layer, an aramid fiber reinforced resin matrix composite material layer, an ultra-high molecular weight polyethylene fiber composite material layer, a gap buffer layer and a matrix layer from top to bottom, as shown in figure 1.
(1) Preparation of ceramic panels
Selecting 30mm side length and 3.10g/cm density 3 The Vickers hardness is 22GPa, the thickness is 8mm, and the upper surface and the lower surface are inclinedThe regular hexagonal TBC ceramic blocks with the angle of 45 degrees are spliced into ceramic panels, and 905-2 epoxy vinyl ester resin is used for vacuum infusion molding, so that the 500mm multiplied by 8mm ceramic panels are obtained.
(2) Preparation of carbon fiber reinforced resin matrix composite layer
Cutting a T800 carbon fiber fabric with the thickness of 500mm multiplied by 500mm, laying 5 layers of carbon fiber fabrics, and adopting a 905-2 epoxy vinyl ester resin vacuum infusion molding process to prepare a carbon fiber reinforced resin matrix composite material layer with the thickness of 2mm, wherein the volume content of the T800 carbon fiber is 62%.
(3) Preparation of aramid fiber reinforced resin matrix composite layer
Cutting 500mm multiplied by 500mm aramid fiber III fiber fabric and SWA120 copolyamide (PA) hot melt adhesive film, alternately laying 18 layers of aramid fiber III fiber fabric and SWA120 PA hot melt adhesive film, adopting a hot-press molding process to prepare an aramid fiber reinforced resin matrix composite material layer with the thickness of 2mm, and carrying out hot-press molding under the conditions: the temperature is 130 ℃, the pressure is 6MPa, the time is 2 hours, and the fiber volume content of the aramid III is 65%.
(4) Preparation of ultra-high molecular weight polyethylene fiber composite material layer
Cutting 500mm×500mm ultra-high molecular weight polyethylene UD cloth (single layer ultra-high molecular weight polyethylene UD cloth surface density is 34 g/cm) 2 ) Laying 49 layers of ultra-high molecular weight polyethylene UD cloth, and adopting a hot-press molding process to prepare an ultra-high molecular weight polyethylene fiber composite material layer with the thickness of 6mm, wherein the hot-press molding conditions are as follows: the temperature is 120 ℃, the pressure is 10MPa, and the time is 1h.
(5) Preparation of gap buffer layer and matrix layer
Cutting two kinds of T1000 carbon fiber fabrics with different sizes of 500mm multiplied by 500mm and 485mm multiplied by 15mm, firstly laying 15 layers of 500mm multiplied by 500mm carbon fiber fabrics, then laying 30 layers of 485mm multiplied by 15mm carbon fiber fabrics on the outer edge of the upper surface of the 500mm multiplied by 500mm carbon fiber fabric layer to form a frame with the outer contour dimension of 500mm multiplied by 500mm and the width of 15mm, laying a layer of release cloth on the bottom surface of a cavity formed by the frame and the carbon fiber fabric layer, filling the cavity by using a foam material, and adopting a 905-2 epoxy vinyl ester resin vacuum infusion integrated molding process to prepare a gap buffer layer with the thickness of 12mm and a matrix layer with the thickness of 6mm, wherein the volume content of the T1000 carbon fiber is 62%.
(6) Preparation of composite backboard
And (3) bonding the products obtained in the steps (2), 3), 4) and 5) by adopting a DP6330NS polyurethane adhesive in sequence to obtain the composite material backboard, wherein the thickness of the composite material backboard is 28mm.
(7) Composite of ceramic face plate and composite back plate
And (3) uniformly coating a DP6330NS polyurethane adhesive on the back surface of the ceramic panel, bonding with the front surface of the composite material backboard, and curing the adhesive to obtain the light composite material bulletproof board, as shown in figure 1.
Through test, the thickness of the prepared bulletproof plate is 36mm, and the surface density is 47.8kg/m 2 At normal temperature, the armor plate resists the shooting of the armor-piercing bullet of 7.62mm without perforation after the armor-piercing bullet of 3 shots of 7.62mm (the bullet speed is 808-815 m/s).
Example III
A light composite material bulletproof plate is formed by compounding a ceramic panel and a composite material backboard, wherein the total thickness is 29mm, the thickness of the ceramic panel is 6mm, the composite material backboard is of a multi-layer composite structure with a gap buffer layer, and the composite material backboard is sequentially provided with a carbon fiber reinforced resin matrix composite material layer, an aramid fiber reinforced resin matrix composite material layer, an ultra-high molecular weight polyethylene fiber composite material layer, a gap buffer layer and a matrix layer from top to bottom, as shown in figure 1.
(1) Preparation of ceramic panels
Selecting a material with a side length of 20mm and a density of 3.2g/cm 3 A ceramic panel was obtained by splicing regular hexagonal TBC ceramic blocks having a Vickers hardness of 25GPa, a thickness of 6mm and an upper and lower surface inclination angle of 30 °, and vacuum infusion molding with 901 vinyl ester resin.
(2) Preparation of carbon fiber reinforced resin matrix composite layer
Cutting a T800 carbon fiber fabric with the thickness of 500mm multiplied by 500mm, laying 13 layers of carbon fiber fabrics, and adopting a 901 vinyl ester resin vacuum infusion molding process to prepare a carbon fiber reinforced resin matrix composite material layer with the thickness of 5mm, wherein the volume content of the T800 carbon fiber is 65%.
(3) Preparation of aramid fiber reinforced resin matrix composite layer
Cutting 500mm multiplied by 500mm aramid fiber III fiber fabric and HJU TPU hot melt adhesive film, alternately laying 44 layers of aramid fiber III fiber fabric and HJU TPU hot melt adhesive film, and adopting a hot press molding process to prepare an aramid fiber reinforced resin matrix composite material layer with the thickness of 5mm, wherein the hot press molding conditions are as follows: the temperature is 150 ℃, the pressure is 5MPa, the time is 1.5 hours, and the fiber volume content of the aramid III is 65%.
(4) Preparation of ultra-high molecular weight polyethylene fiber composite material layer
Cutting 500mm×500mm ultra-high molecular weight polyethylene UD cloth (single layer ultra-high molecular weight polyethylene UD cloth surface density is 32.2 g/cm) 2 ) Laying an ultra-high molecular weight polyethylene UD cloth 25 layer, and adopting a hot-press molding process to prepare an ultra-high molecular weight polyethylene fiber composite material layer with the thickness of 3mm, wherein the hot-press molding conditions are as follows: the temperature is 123 ℃, the pressure is 16MPa, and the time is 0.5h.
(5) Preparation of gap buffer layer and matrix layer
Cutting two kinds of T1000 carbon fiber fabrics with different sizes of 500mm multiplied by 500mm and 485mm multiplied by 15mm, firstly laying 8 layers of 500mm multiplied by 500mm carbon fiber fabrics, then laying 18 layers of 485mm multiplied by 15mm carbon fiber fabrics on the outer edge of the upper surface of the 500mm multiplied by 500mm carbon fiber fabric layer to form a frame with the outline size of 500mm multiplied by 500mm and the width of 15mm, laying a layer of release cloth on the bottom surface of a cavity formed by the frame and the carbon fiber fabric layer, filling the cavity by using a foam material, and adopting a 901 vinyl ester resin vacuum pouring molding process to prepare a gap buffer layer with the thickness of 7mm and a matrix layer with the thickness of 3mm, wherein the volume content of the T1000 carbon fiber is 63%.
(6) Preparation of composite backboard
And (3) bonding the products obtained in the steps (2), 3), 4) and 5) by adopting 540 polyurethane adhesive according to the sequence to obtain the composite material backboard, wherein the thickness of the composite material backboard is 23mm.
(7) Composite of ceramic face plate and composite back plate
And uniformly coating 540 polyurethane adhesive on the back of the ceramic panel, bonding with the front of the composite material backboard, and curing the adhesive to obtain the light composite material bulletproof board, as shown in fig. 1.
Through test, the thickness of the prepared bulletproof plate is 29mm, and the surface density is 42.6kg/m 2 At normal temperature, the armor plate resists the shooting of the armor-piercing bullet of 7.62mm without perforation after the armor-piercing bullet of 3 shots of 7.62mm (the bullet speed is 808-815 m/s).
Example IV
A light composite material bulletproof plate is formed by compounding a ceramic panel and a composite material backboard, wherein the total thickness is 32mm, the thickness of the ceramic panel is 12mm, the composite material backboard is of a multi-layer composite structure with a gap buffer layer, and the composite material backboard is sequentially provided with a carbon fiber reinforced resin matrix composite material layer, an aramid fiber reinforced resin matrix composite material layer, an ultra-high molecular weight polyethylene fiber composite material layer, a gap buffer layer and a matrix layer from top to bottom, as shown in figure 1.
(1) Preparation of ceramic panels
Selecting a material with a side length of 15mm and a density of 2.46g/cm 3 Regular hexagon B with Vickers hardness of 33GPa, thickness of 12mm and upper and lower surface inclination angle of 50 DEG 4 And C, splicing the ceramic blocks into a ceramic panel, and performing vacuum infusion molding by using 905-2 epoxy vinyl ester resin to obtain the ceramic panel with the thickness of 500mm multiplied by 12mm.
(2) Preparation of carbon fiber reinforced resin matrix composite layer
Cutting a T1000 carbon fiber fabric with the thickness of 500mm multiplied by 500mm, laying 5 layers of carbon fiber fabrics, and adopting a 905-2 epoxy vinyl ester resin vacuum infusion molding process to prepare a carbon fiber reinforced resin matrix composite material layer with the thickness of 2mm, wherein the volume content of the T1000 carbon fiber is 63%.
(3) Preparation of aramid fiber reinforced resin matrix composite layer
Cutting 500mm multiplied by 500mm aramid fiber III fiber fabric and HJU TPU hot melt adhesive film, alternately laying 18 layers of aramid fiber III fiber fabric and HJU TPU hot melt adhesive film, and adopting a hot press molding process to prepare an aramid fiber reinforced resin matrix composite material layer with the thickness of 2mm, wherein the hot press molding conditions are as follows: the temperature is 130 ℃, the pressure is 8MPa, the time is 1h, and the fiber volume content of the aramid III is 67%.
(4) Preparation of ultra-high molecular weight polyethylene fiber composite material layer
Cutting 500mm x 500mm ultra high molecular weight polyethylene UD cloth (Single layer ultra high molecular weight)The density of the UD cloth surface of the polyethylene with the molecular weight is 35g/cm 2 ) Laying an ultra-high molecular weight polyethylene UD cloth 42 layer, and adopting a hot-press molding process to prepare an ultra-high molecular weight polyethylene fiber composite material layer with the thickness of 5mm, wherein the hot-press molding conditions are as follows: the temperature is 120 ℃, the pressure is 20MPa, and the time is 0.5h.
(5) Preparation of gap buffer layer and matrix layer
Cutting two kinds of T1000 carbon fiber fabrics with different sizes of 500mm multiplied by 500mm and 485mm multiplied by 15mm, firstly laying 13 layers of 500mm multiplied by 500mm carbon fiber fabrics, then laying 15 layers of 485mm multiplied by 15mm carbon fiber fabrics on the outer edge of the upper surface of the 500mm multiplied by 500mm carbon fiber fabric layer to form a frame with the outer contour dimension of 500mm multiplied by 500mm and the width of 15mm, laying a layer of release cloth on the bottom surface of a cavity formed by the frame and the carbon fiber fabric layer, filling the cavity by using a foam material, and adopting a 905-2 epoxy vinyl ester resin vacuum infusion molding process to prepare a gap buffer layer with the thickness of 6mm and a matrix layer with the thickness of 5mm, wherein the volume content of the T1000 carbon fiber is 65%.
(6) Preparation of composite backboard
And (3) bonding the products obtained in the steps (2), 3), 4) and 5) by adopting a DP6330NS polyurethane adhesive in sequence to obtain the composite material backboard, wherein the thickness of the composite material backboard is 20mm.
(7) Composite of ceramic face plate and composite back plate
And (3) uniformly coating a DP6330NS polyurethane adhesive on the back surface of the ceramic panel, bonding with the front surface of the composite material backboard, and curing the adhesive to obtain the light composite material bulletproof board, as shown in figure 1.
Through test, the thickness of the prepared bulletproof plate is 32mm, and the surface density is 48.9kg/m 2 The bulletproof armor plate resists the puncture phenomenon of the armor-piercing bullet of 7.62mm at the temperature of-43 ℃ after the armor-piercing bullet of 3 shots (the bullet speed of 808-815 m/s).
Example five
A light composite material bulletproof plate is formed by compounding a ceramic panel and a composite material backboard, wherein the total thickness is 36mm, the thickness of the ceramic panel is 6mm, the composite material backboard is of a multi-layer composite structure with a gap buffer layer, and the composite material backboard is sequentially provided with a carbon fiber reinforced resin matrix composite material layer, an aramid fiber reinforced resin matrix composite material layer, an ultra-high molecular weight polyethylene fiber composite material layer, a gap buffer layer and a matrix layer from top to bottom, as shown in figure 1.
(1) Preparation of ceramic panels
Selecting a material with a side length of 36mm and a density of 2.52g/cm 3 Regular hexagon B with Vickers hardness of 27GPa, thickness of 6mm and upper and lower surface inclination angle of 45 DEG 4 C ceramic block with side length of 36mm and density of 3.15g/cm 3 A ceramic panel is formed by splicing regular hexagonal TBC ceramic blocks with 27GPa of Vickers hardness, 6mm of thickness and 45 degrees of inclination angles of upper and lower surfaces, and a bulletproof ceramic panel with 500mm multiplied by 6mm is obtained by vacuum infusion molding of 905-2 epoxy vinyl ester resin.
(2) Preparation of carbon fiber reinforced resin matrix composite layer
Cutting a T1000 carbon fiber fabric with the thickness of 500mm multiplied by 500mm, laying 10 layers of carbon fiber fabrics, and adopting a 905-2 epoxy vinyl ester resin vacuum infusion molding process to prepare a carbon fiber reinforced resin matrix composite material layer with the thickness of 4mm, wherein the volume content of the T1000 carbon fiber is 64%.
(3) Preparation of aramid fiber reinforced resin matrix composite layer
Cutting 500mm multiplied by 500mm aramid fiber III fiber fabric and SWA120 PA hot melt adhesive film, alternately laying 26 layers of aramid fiber III fiber fabric and SWA120 PA hot melt adhesive film, and adopting a hot press molding process to prepare a 3mm thick aramid fiber reinforced resin matrix composite material layer, wherein the hot press molding conditions are as follows: the temperature is 135 ℃, the pressure is 5MPa, the time is 1.5 hours, and the fiber volume content of the aramid III is 68%.
(4) Preparation of ultra-high molecular weight polyethylene fiber composite material layer
Cutting 500mm×500mm ultra-high molecular weight polyethylene UD cloth (single layer ultra-high molecular weight polyethylene UD cloth surface density is 31.4 g/cm) 2 ) Laying an ultra-high molecular weight polyethylene UD cloth 42 layer, and adopting a hot-press molding process to prepare an ultra-high molecular weight polyethylene fiber composite material layer with the thickness of 5mm, wherein the hot-press molding conditions are as follows: the temperature is 126 ℃, the pressure is 12MPa, and the time is 0.5h.
(5) Preparation of gap buffer layer and matrix layer
Cutting two kinds of T800 carbon fiber fabrics with different sizes of 500mm multiplied by 500mm and 485mm multiplied by 15mm, firstly laying 20 layers of 500mm multiplied by 500mm carbon fiber fabrics, then laying 10 layers of 485mm multiplied by 15mm carbon fiber fabrics on the outer edge of the upper surface of the 500mm multiplied by 500mm carbon fiber fabric layer to form a frame with the outer contour dimension of 500mm multiplied by 500mm and the width of 15mm, laying a layer of release cloth on the bottom surface of a cavity formed by the frame and the carbon fiber fabric layer, filling the cavity by using a foam material, and adopting a 905-2 epoxy vinyl ester resin vacuum infusion molding process to prepare a gap buffer layer with the thickness of 10mm and a matrix layer with the thickness of 8mm, wherein the volume content of the T800 carbon fiber is 63%.
(6) Preparation of composite backboard
And (3) bonding the products obtained in the steps (2), 3), 4) and 5) by adopting 540 polyurethane adhesive according to the sequence to obtain the composite material backboard, wherein the thickness of the composite material backboard is 30mm.
(7) Composite of ceramic face plate and composite back plate
And uniformly coating 540 polyurethane adhesive on the back of the ceramic panel, bonding with the front of the composite material backboard, and curing the adhesive to obtain the light composite material bulletproof board, as shown in fig. 1.
The test shows that the thickness of the prepared bulletproof armor plate is 36mm and the areal density is 45.3kg/m 2 The bulletproof armor plate resists the puncture phenomenon of the armor-piercing bullet of 7.62mm at the temperature of +46 ℃ through 6 armor-piercing bullet shots of 7.62mm (the bullet speed is 808-815 m/s).
Example six
A light composite material bulletproof plate is formed by compounding a ceramic panel and a composite material backboard, wherein the total thickness is 35mm, the thickness of the ceramic panel is 7mm, the composite material backboard is of a multi-layer composite structure with a gap buffer layer, and the composite material backboard is sequentially provided with a carbon fiber reinforced resin matrix composite material layer, an aramid fiber reinforced resin matrix composite material layer, an ultra-high molecular weight polyethylene fiber composite material layer, a gap buffer layer and a matrix layer from top to bottom, as shown in figure 1.
(1) Preparation of ceramic panels
Selecting a material with a side length of 36mm and a density of 2.45g/cm 3 Regular hexagon B with Vickers hardness of 32GPa, thickness of 7mm and upper and lower surface inclination angle of 45 DEG 4 C ceramic blocks are spliced into ceramic panels, and the ceramic panels are usedVacuum infusion molding was performed on 901 vinyl ester resin to obtain 500mm×500mm×7mm ballistic ceramic panels.
(2) Preparation of carbon fiber reinforced resin matrix composite layer
Cutting a T1000 carbon fiber fabric with the thickness of 500mm multiplied by 500mm, laying 8 layers of carbon fiber fabrics, and adopting a 901 vinyl ester resin vacuum infusion molding process to prepare a carbon fiber reinforced resin matrix composite material layer with the thickness of 3mm, wherein the volume content of the T1000 carbon fiber is 62%.
(3) Preparation of aramid fiber reinforced resin matrix composite layer
Cutting 500mm multiplied by 500mm aramid fiber III fiber fabric and HJU TPU hot melt adhesive film, alternately laying 26 layers of aramid fiber III fiber fabric and HJU TPU hot melt adhesive film, and adopting a hot press molding process to prepare a 3mm thick aramid fiber reinforced resin matrix composite material layer, wherein the hot press molding conditions are as follows: the temperature is 140 ℃, the pressure is 5MPa, the time is 2 hours, and the volume content of the aramid III fiber is 67%.
(4) Preparation of ultra-high molecular weight polyethylene fiber composite material layer
Cutting 500mm×500mm ultra-high molecular weight polyethylene UD cloth (single layer ultra-high molecular weight polyethylene UD cloth surface density is 30 g/cm) 2 ) Laying an ultra-high molecular weight polyethylene UD cloth 25 layer, and adopting a hot-press molding process to prepare an ultra-high molecular weight polyethylene fiber composite material layer with the thickness of 6mm, wherein the hot-press molding conditions are as follows: the temperature is 125 ℃, the pressure is 14MPa, and the time is 1h.
(5) Preparation of gap buffer layer and matrix layer
Cutting two kinds of T800 carbon fiber fabrics with different sizes of 500mm multiplied by 500mm and 485mm multiplied by 15mm, firstly laying 10 layers of 500mm multiplied by 500mm carbon fiber fabrics, then laying 30 layers of 485mm multiplied by 15mm carbon fiber fabrics on the outer edge of the upper surface of the 500mm multiplied by 500mm carbon fiber fabric layer to form a frame with the outer contour dimension of 500mm multiplied by 500mm and the width of 15mm, laying a layer of release cloth on the bottom surface of a cavity formed by the frame and the carbon fiber fabric layer, filling the cavity by using a foam material, and adopting a 901 vinyl ester resin vacuum pouring molding process to prepare a gap buffer layer with the thickness of 12mm and a matrix layer with the thickness of 4mm, wherein the volume content of the T800 carbon fiber is 62%.
(6) Preparation of composite backboard
And (3) bonding the products obtained in the steps (2), 3), 4) and 5) by adopting a DP6330NS polyurethane adhesive in sequence to obtain the composite material backboard, wherein the thickness of the composite material backboard is 28mm.
(7) Composite of ceramic face plate and composite back plate
And (3) uniformly coating a DP6330NS polyurethane adhesive on the back surface of the ceramic panel, bonding with the front surface of the composite material backboard, and curing the adhesive to obtain the light composite material bulletproof board, as shown in figure 1.
The test shows that the thickness of the prepared bulletproof armor plate is 35mm and the areal density is 39.1kg/m 2 At normal temperature, the armor plate resists the shooting of the armor-piercing bullet of 7.62mm without perforation after the armor-piercing bullet of 3 shots of 7.62mm (the bullet speed is 808-815 m/s).

Claims (9)

1. The preparation method of the light composite material bulletproof plate comprises the following specific steps of preparing a ceramic panel, preparing a composite material backboard, and compositing the ceramic panel and the composite material backboard:
1) Preparation of ceramic panels
Selecting regular hexagon ceramic blocks, splicing the ceramic blocks, and vacuum-pouring and forming by adopting vinyl ester resin to obtain a ceramic panel, wherein the thickness of the ceramic panel is 6-12 mm;
2) Preparation of carbon fiber reinforced resin matrix composite layer
Cutting a carbon fiber fabric, firstly laying the carbon fiber fabric to a designed thickness, and preparing a carbon fiber reinforced resin matrix composite material layer by adopting a vinyl ester resin vacuum infusion molding process;
3) Preparation of aramid fiber reinforced resin matrix composite layer
Cutting an aramid fiber fabric and a thermoplastic adhesive film, laying the laminate to a designed thickness, preparing an aramid fiber reinforced resin matrix composite material layer by adopting a hot-press molding process, and carrying out hot-press molding under the following conditions: the temperature is 130-160 ℃, the pressure is 3-8 MPa, and the time is 1-2 h;
4) Preparation of ultra-high molecular weight polyethylene fiber composite material layer
Cutting a certain number of layers of ultra-high molecular weight polyethylene fiber laid cloth, preparing an ultra-high molecular weight polyethylene fiber composite material layer by adopting a hot-press molding process, and carrying out hot-press molding on the conditions: the temperature is 120-126 ℃, the pressure is 10-20 MPa, and the time is 0.5-1 h;
5) Preparation of gap buffer layer and matrix layer
Cutting two kinds of carbon fiber fabrics with different sizes, firstly laying a large-size carbon fiber fabric to an expected thickness, then laying a small-size carbon fiber fabric on the outer edge of the upper surface of a large-size carbon fiber fabric layer to form a frame with a certain width, laying a layer of demolding cloth on the bottom surface of a cavity formed by the frame and the large-size carbon fiber fabric layer, filling the cavity with a foam material, and adopting a resin vacuum infusion integrated molding process to prepare a gap buffer layer and a matrix layer;
6) Preparation of composite backboard
Adopting polyurethane adhesive to bond the products obtained in the steps 2), 3), 4) and 5) in sequence to obtain a composite material backboard, wherein the composite material backboard sequentially comprises a carbon fiber reinforced resin matrix composite material layer, an aramid fiber reinforced resin matrix composite material layer, an ultra-high molecular weight polyethylene fiber composite material layer, a gap buffer layer and a matrix layer from top to bottom, and the thickness of the composite material backboard is 20-30 mm;
7) Composite of ceramic face plate and composite back plate
And uniformly coating polyurethane adhesive on the back of the ceramic panel, bonding with the front of the composite material backboard, and curing the adhesive to obtain the light composite material bulletproof board.
2. The method for manufacturing a lightweight composite ballistic panel according to claim 1, wherein: the carbon fiber reinforced resin matrix composite layer is prepared from a T800 or T1000 carbon fiber fabric and thermosetting resin, wherein the volume content of the carbon fiber is not less than 60%, and the thickness is 2-5 mm.
3. The method for manufacturing a lightweight composite ballistic panel according to claim 1, wherein: the aramid fiber reinforced resin matrix composite layer is prepared from aramid fiber class fiber fabrics and thermoplastic films, wherein the volume content of the aramid fibers is not less than 65%, and the thickness is 2-5 mm.
4. The method for manufacturing a lightweight composite ballistic panel according to claim 1, wherein: the ultra-high molecular weight polyethylene fiber composite material layer is formed by hot-press molding ultra-high molecular weight polyethylene fiber weft-free cloth, and the thickness is 3-6 mm.
5. The method for manufacturing a lightweight composite ballistic panel according to claim 1, wherein: the thickness of the gap buffer layer is 6-12 mm.
6. The method for manufacturing a lightweight composite ballistic panel according to claim 1, wherein: the matrix layer is prepared from a T800 or T1000 carbon fiber fabric and thermosetting resin, wherein the volume content of the carbon fiber is not less than 60%, and the thickness is 3-8 mm.
7. The method for manufacturing a lightweight composite ballistic panel according to claim 1, wherein: the side length of the ceramic block is 15-36 mm, and the slope angle of the ceramic block along the thickness direction is 30-50 degrees.
8. The method for manufacturing a lightweight composite ballistic panel according to claim 1, wherein: the ceramic block is TBC ceramic, B 4 One or two of C ceramics.
9. The method for manufacturing a lightweight composite ballistic panel according to claim 4, wherein: the single-layer surface density of the ultra-high molecular weight polyethylene fiber non-woven cloth is 30-35 g/cm 2 。
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