CN114963874B - Composite bulletproof plugboard and preparation method thereof - Google Patents

Composite bulletproof plugboard and preparation method thereof Download PDF

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Publication number
CN114963874B
CN114963874B CN202210652659.XA CN202210652659A CN114963874B CN 114963874 B CN114963874 B CN 114963874B CN 202210652659 A CN202210652659 A CN 202210652659A CN 114963874 B CN114963874 B CN 114963874B
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Prior art keywords
fiber
steel plate
layer
silicon carbide
fiber layer
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CN114963874A (en
Inventor
刘彬
沈峰
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Tianjin Kemke New Material Technology Co ltd
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Tianjin Kemke New Material Technology Co ltd
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Classifications

    • 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
    • F41H1/00—Personal protection gear
    • F41H1/02—Armoured or projectile- or missile-resistant garments; Composite protection fabrics
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • 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
    • B32B3/04—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 at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B5/08—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 the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different 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
    • 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
    • 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
    • B32B9/041—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 of metal
    • 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
    • F41H5/0421—Ceramic layers in combination with metal layers
    • 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
    • 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
    • F41H5/0457—Metal 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • 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
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14—Mixture of at least two fibres made of different materials
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • 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, anti-ballistic clothing

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

Abstract

The invention relates to the technical field of bulletproof plugboards, in particular to a composite bulletproof plugboard and a preparation method thereof, the composite bulletproof plugboard comprises a steel plate and an outer layer, wherein the outer layer is arranged on the outer surface of the steel plate, the top of the steel plate is connected with a mixed fiber layer, the bottom of the steel plate is connected with silicon carbide ceramics, one side, far away from the steel plate, of the silicon carbide ceramics and the mixed fiber layer is connected with high-performance fibers, the mixed fiber layer is formed by weaving one or two of carbon fibers and basalt fibers with UHMWPE fibers in a mixed mode, and the high-performance fibers are one or more of ultrahigh-molecular-weight polyethylene fibers, aramid fibers and PBO fibers. According to the composite bulletproof plugboard and the preparation method thereof, the protection performance of the bulletproof plugboard is improved, better wearing experience can be brought, the consumption of physical strength is reduced, the high protection function of the bulletproof plugboard is reserved, the large weight of the bulletproof plugboard is avoided, and the maneuverability and the flexibility are lost.

Description

Composite bulletproof plugboard and preparation method thereof
Technical Field
The invention relates to the technical field of bulletproof plugboards, in particular to a composite bulletproof plugboard and a preparation method thereof.
Background
The popularity of body armor in the army is now high, and we can often see that most body armor is made of multiple layers of aramid or polyethylene PE, which, while being relatively lightweight to wear, is at most grade IIIA according to us standard NIJ due to material and technical limitations. That is, only 9mm and 44 caliber pistol bullets can be prevented. Body armor is not a strategy when facing a rifle. In order to be able to combat the higher level of threat, we need to use ballistic inserts.
Ballistic inserts are commonly used with body armor or tactical vests. The bulletproof plugboard is provided with a front board and a side board, the front board can protect the chest and the back of a human body, and the side board can protect the side face of the human body. Under the condition of ensuring hundred percent protection characteristics, the development of the chest protection plugboard reduces the plugboard weight as much as possible so as to improve the personnel combat maneuverability.
However, most of the existing bulletproof plugboards are made of alumina ceramics, and the general defending characteristics of the existing bulletproof plugboards are general, and the existing bulletproof plugboards still have problems in preventing penetration of shots emitted by large single weapons such as sniper rifles, heavy semi-automatic rifles and heavy submachines, and the existing bulletproof plugboards can be made into products with large thickness and large weight to meet the double requirements of bulletproof and low back bulge, so that the original characteristics of the light composite materials are lost, the weight of the bulletproof plugboards is large, and the significance of maneuverability and flexibility is lost.
Disclosure of Invention
The invention aims to provide a composite bulletproof plugboard and a preparation method thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the composite bulletproof flashboard comprises a steel plate and an outer layer, wherein the outer layer is arranged on the outer surface of the steel plate, the top of the steel plate is connected with a mixed fiber layer, the bottom of the steel plate is connected with silicon carbide ceramics, and one side, far away from the steel plate, of the silicon carbide ceramics and the mixed fiber layer is connected with high-performance fibers.
Preferably, the steel plate, the mixed fiber layer and the silicon carbide ceramic are formed through hot stamping, and the mixed fiber layer and the high-performance fibers are integrally stitched to form a three-dimensional woven structure.
Preferably, the mixed fiber layer is formed by weaving one or two of carbon fiber and basalt fiber and UHMWPE fiber in a mixed mode, wherein the UHMWPE fiber accounts for 50% -60%, the carbon fiber and basalt fiber account for 40% -45%, and the rest 5% are polyethylene resin.
Preferably, the high-performance fiber is one or more of ultrahigh molecular weight polyethylene fiber, aramid fiber and PBO fiber, the silicon carbide ceramic can be replaced by boron carbide ceramic, and the outer layer is made of one of a polyurea coating and a waterproof cloth outer layer.
The preparation method of the composite bulletproof plugboard comprises the following steps:
S1: the mixed fiber layer and the high-performance fiber are integrally stitched to form a three-dimensional woven structure, and the stitching angles are any combination of 0 degree (+/-30 degrees (+/-45 degrees (+/-60 degrees) or 90 degrees) respectively.
S2: the steel plate and the mixed fiber layer are formed through hot stamping, the silicon carbide ceramic and the mixed fiber layer are formed through hot stamping, and the silicon carbide ceramic and the mixed fiber layer are heated, so that the silicon carbide ceramic and the mixed fiber layer have certain plasticity, and the plastic layer is used as a layer of forming glue and is firmly bonded with the steel plate under certain pressure.
S3: after the steel plate, the mixed fiber layer and the silicon carbide ceramic are integrally cooled and formed, hot stamping and integral forming are carried out between the high-performance fiber and the silicon carbide ceramic, and after stamping is finished, the stamping temperature is reduced to room temperature within 10 minutes.
S4: the outer layer is applied to the exterior of the high performance fiber.
Preferably, the stamping temperature in the step S2 is 160-220 ℃ and the stamping time is 10-20 minutes.
Preferably, the stamping temperature in the step S3 is 60-140 ℃, the pressure acting on the high-performance fiber is 5-25MPa, and the stamping time is 10-20 minutes.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the composite bulletproof plugboard and the preparation method thereof, the density of the silicon carbide ceramic is much smaller than that of aluminum oxide, the better wearing experience can be brought by lighter weight, the consumption of physical strength is reduced, the high protection function of the bulletproof plugboard is reserved, the large weight of the bulletproof plugboard is avoided, and the maneuverability and the flexibility are lost.
2. According to the composite bulletproof plugboard and the preparation method thereof, the mixed fiber formed by weaving one or two of the carbon fiber and the basalt fiber and the UHMWPE fiber in a mixed mode can effectively resist penetration of the projectile and promote deformation of the head of the projectile, polyethylene resin in the middle of the mixed fiber can efficiently absorb penetration impact energy of the projectile, and the high-performance fiber layer can effectively reduce injury of the projectile to a wearer and improve the protective performance of the bulletproof plugboard.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
Figure 1 is a schematic cross-sectional view of a ballistic insert plate of the invention;
FIG. 2 is a schematic cross-sectional view of a hybrid fiber layer of the present invention in combination with a high performance fiber.
In the figure: 1. a steel plate; 2. a mixed fiber layer; 3. silicon carbide ceramics; 4. high performance fibers; 5. an outer layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to figures 1-2 of the drawings,
Examples
The invention provides a technical scheme that: the utility model provides a compound bulletproof picture peg, includes steel sheet 1 and skin 5, and skin 5 sets up in the surface of steel sheet 1, and the top of steel sheet 1 is connected with mixed fiber layer 2, and the bottom of steel sheet 1 is connected with carborundum pottery 3, and carborundum pottery 3 and mixed fiber layer 2 keep away from one side of steel sheet 1 and are connected with high performance fiber 4.
The steel plate 1, the mixed fiber layer 2 and the silicon carbide ceramic 3 are formed through hot stamping, the mixed fiber layer 2 and the high-performance fiber 4 are integrally stitched to form a three-dimensional woven structure, the mixed fiber layer 2 is formed by weaving carbon fibers and UHMWPE fibers in a mixed mode, wherein the UHMWPE fibers account for 53%, the carbon fibers account for 42%, the rest 5% are polyethylene resins, the high-performance fiber 4 is specifically stitched by ultrahigh molecular weight polyethylene fibers and aramid fibers, and the outer layer 5 is made of a polyurea coating.
A method of making the composite ballistic panel of claim 1 comprising the steps of:
s1: the mixed fiber layer and the high-performance fiber are integrally stitched to form a three-dimensional woven structure, and the stitching angle is +/-45 degrees.
S2: the steel plate and the mixed fiber layer are formed through hot stamping, the silicon carbide ceramic and the mixed fiber layer are formed through hot stamping, and the silicon carbide ceramic and the mixed fiber layer are heated, so that the silicon carbide ceramic and the mixed fiber layer have certain plasticity, the plastic layer can be used as a layer of forming glue, and is firmly bonded with the steel plate under certain pressure, the stamping temperature is 180 ℃, and the stamping time is 15 minutes.
S3: after the steel plate, the mixed fiber layer and the silicon carbide ceramic are integrally cooled and formed, hot stamping is carried out between the high-performance fiber and the silicon carbide ceramic to form an integral body, after stamping is finished, the stamping temperature is reduced to room temperature within 10 minutes, the stamping temperature is 120 ℃, the pressure acting on the high-performance fiber is 20MPa, and the stamping time is 15 minutes.
S4: the polyurea coating is applied to the exterior of the high performance fiber.
Embodiment two:
the invention provides a technical scheme that: the utility model provides a compound bulletproof picture peg, includes steel sheet 1 and skin 5, and skin 5 sets up in the surface of steel sheet 1, and the top of steel sheet 1 is connected with mixed fiber layer 2, and the bottom of steel sheet 1 is connected with the boron carbide pottery, and one side that the steel sheet 1 was kept away from to boron carbide pottery and mixed fiber layer 2 is connected with high performance fiber 4.
The steel plate 1, the mixed fiber layer 2 and the boron carbide ceramic are formed through hot stamping, the mixed fiber layer 2 and the high-performance fiber 4 are integrally stitched to form a three-dimensional woven structure, the mixed fiber layer 2 is formed by weaving basalt fiber and UHMWPE fiber in a mixed mode, wherein the UHMWPE fiber accounts for 55%, the basalt fiber accounts for 40%, the rest 5% are polyethylene resin, the high-performance fiber 4 is specifically stitched by nylon fiber and PBO fiber, and the outer layer 5 is made of a waterproof cloth outer layer.
A method of making the composite ballistic panel of claim 1 comprising the steps of:
s1: the mixed fiber layer and the high-performance fiber are integrally stitched to form a three-dimensional woven structure, and the stitching angle is +/-45 degrees.
S2: the steel plate and the mixed fiber layer are formed through hot stamping, the boron carbide ceramic and the mixed fiber layer are heated, so that the boron carbide ceramic and the mixed fiber layer have certain plasticity, the plastic layer can be used as a layer of forming glue, the plastic layer is firmly bonded with the steel plate under certain pressure, the stamping temperature is 180 ℃, and the stamping time is 15 minutes.
S3: after the steel plate, the mixed fiber layer and the boron carbide ceramic are integrally cooled and formed, hot stamping is carried out between the high-performance fiber and the boron carbide ceramic to form an integral body, after stamping is finished, the stamping temperature is reduced to room temperature within 10 minutes, the stamping temperature is 120 ℃, the pressure acting on the high-performance fiber is 20MPa, and the stamping time is 15 minutes.
S4: the tarpaulin outer layer is coated on the outside of the high performance fiber.
Embodiment III:
The invention provides a technical scheme that: the utility model provides a compound bulletproof picture peg, includes steel sheet 1 and skin 5, and skin 5 sets up in the surface of steel sheet 1, and the top of steel sheet 1 is connected with mixed fiber layer 2, and the bottom of steel sheet 1 is connected with carborundum pottery 3, and carborundum pottery 3 and mixed fiber layer 2 keep away from one side of steel sheet 1 and are connected with high performance fiber 4.
The steel plate 1, the mixed fiber layer 2 and the silicon carbide ceramic 3 are formed through hot stamping, the mixed fiber layer 2 and the high-performance fiber 4 are integrally stitched to form a three-dimensional weaving structure, the mixed fiber layer 2 is formed by weaving carbon fiber, basalt fiber and UHMWPE fiber in a mixed mode, wherein the UHMWPE fiber accounts for 50%, the carbon fiber and the basalt fiber account for 45%, the rest 5% are polyethylene resin, the high-performance fiber 4 is specifically stitched by ultra-high molecular weight polyethylene fiber, aramid fiber and PBO fiber, and the outer layer 5 is made of polyurea coating.
A method of making the composite ballistic panel of claim 1 comprising the steps of:
s1: the mixed fiber layer and the high-performance fiber are integrally stitched to form a three-dimensional woven structure, and the stitching angle is +/-45 degrees.
S2: the steel plate and the mixed fiber layer are formed through hot stamping, the silicon carbide ceramic and the mixed fiber layer are formed through hot stamping, and the silicon carbide ceramic and the mixed fiber layer are heated, so that the silicon carbide ceramic and the mixed fiber layer have certain plasticity, the plastic layer can be used as a layer of forming glue, and is firmly bonded with the steel plate under certain pressure, the stamping temperature is 180 ℃, and the stamping time is 15 minutes.
S3: after the steel plate, the mixed fiber layer and the silicon carbide ceramic are integrally cooled and formed, hot stamping is carried out between the high-performance fiber and the silicon carbide ceramic to form an integral body, after stamping is finished, the stamping temperature is reduced to room temperature within 10 minutes, the stamping temperature is 120 ℃, the pressure acting on the high-performance fiber is 20MPa, and the stamping time is 15 minutes.
S4: the tarpaulin outer layer is coated on the outside of the high performance fiber.
The protective performance of the bulletproof plugboards in the first embodiment, the second embodiment and the third embodiment is detected respectively, rifle bullets with the caliber of 5.56 mm are used for continuously shooting 10 times on the three bulletproof plugboards, the penetration degree of the bullet into the bulletproof plugboards is observed after shooting is finished, and the penetration thickness of the rifle bullets into the bulletproof plugboards is minimum in the first embodiment; the same user carries out wearing tests on the bulletproof plugboards in the first embodiment, the second embodiment and the third embodiment respectively, and the bulletproof plugboard in the first embodiment has the smallest physical effort to the user under the condition that the bulletproof plugboards are worn and hiked for the same distance.
To sum up: in this scenario, embodiment one is the best embodiment.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a compound bulletproof picture peg, includes steel sheet (1) and skin (5), skin (5) set up in the surface of steel sheet (1), its characterized in that: the top of the steel plate (1) is connected with a mixed fiber layer (2), the bottom of the steel plate (1) is connected with silicon carbide ceramics (3), and one side, far away from the steel plate (1), of the silicon carbide ceramics (3) and the mixed fiber layer (2) is connected with high-performance fibers (4);
the steel plate (1) is formed with the mixed fiber layer (2) and the silicon carbide ceramic (3) through hot stamping, and the mixed fiber layer (2) and the high-performance fibers (4) are integrally stitched to form a three-dimensional woven structure;
the mixed fiber layer (2) is formed by weaving one or two of carbon fiber and basalt fiber and UHMWPE fiber in a mixed mode, wherein the UHMWPE fiber accounts for 50% -60%, the carbon fiber and basalt fiber account for 40% -45%, and the rest 5% is polyethylene resin;
the high-performance fiber (4) is one or more of ultrahigh molecular weight polyethylene fiber, aramid fiber and PBO fiber, the silicon carbide ceramic (3) can be replaced by boron carbide ceramic, and the outer layer (5) is one of a polyurea coating and a waterproof cloth outer layer.
2. A method of making a composite ballistic panel of claim 1 comprising the steps of:
S1: the mixed fiber layer and the high-performance fiber are integrally stitched to form a three-dimensional woven structure, and the stitching angles are any combination of 0 degree (+/-30 degrees (+/-45 degrees (+/-60 degrees) or 90 degrees);
s2: the method comprises the steps of (1) forming a steel plate and a mixed fiber layer through hot stamping, forming a silicon carbide ceramic and a mixed fiber layer through hot stamping, heating the silicon carbide ceramic and the mixed fiber layer to enable the silicon carbide ceramic and the mixed fiber layer to have certain plasticity, and enabling the plastic layer to be used as a layer of forming glue and firmly bonded with the steel plate under certain pressure;
S3: after the steel plate, the mixed fiber layer and the silicon carbide ceramic are integrally cooled and formed, carrying out hot stamping and integral forming between the high-performance fiber and the silicon carbide ceramic, and after stamping, reducing the stamping temperature to room temperature within 10 minutes;
s4: the outer layer is applied to the exterior of the high performance fiber.
3. The method for preparing the composite bulletproof plugboard according to claim 2, which is characterized in that: and in the step S2, the stamping temperature is 160-220 ℃ and the stamping time is 10-20 minutes.
4. The method for preparing the composite bulletproof plugboard according to claim 2, which is characterized in that: the stamping temperature in the step S3 is 60-140 ℃, the pressure acting on the high-performance fiber is 5-25MPa, and the stamping time is 10-20 minutes.
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CN203100561U (en) * 2012-12-03 2013-07-31 中国人民解放军总后勤部军需装备研究所 Composite bulletproof flashboard
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