CN111272016B - Bulletproof composite armor and preparation method thereof - Google Patents

Bulletproof composite armor and preparation method thereof Download PDF

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Publication number
CN111272016B
CN111272016B CN202010088649.9A CN202010088649A CN111272016B CN 111272016 B CN111272016 B CN 111272016B CN 202010088649 A CN202010088649 A CN 202010088649A CN 111272016 B CN111272016 B CN 111272016B
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ceramic
bulletproof
composite armor
armor
sintering
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CN111272016A (en
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陈玉华
董明
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Suzhou First Element Nano Technology Co ltd
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Suzhou First Element Nano Technology Co ltd
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • 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
    • 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
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/022—Mechanical 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
    • 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
    • B32B7/08—Interconnection of layers by mechanical means
    • 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
    • B32B9/045—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 synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/563—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on boron carbide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • 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
    • 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
    • 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
    • B32B2307/536—Hardness
    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5216—Inorganic
    • C04B2235/524—Non-oxidic, e.g. borides, carbides, silicides or nitrides
    • C04B2235/5248—Carbon, e.g. graphite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562—Heating rate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/666—Applying a current during sintering, e.g. plasma sintering [SPS], electrical resistance heating or pulse electric current sintering [PECS]

Abstract

A bulletproof composite armor and a preparation method thereof belong to the technical field of ceramic and metal matrix composite material preparation. The preparation method of the bulletproof composite armor comprises the following steps: step 1, mixing B4Uniformly mixing the powder C and the carbon nanofibers, putting the mixture into a regular hexagon die, and quickly sintering the mixture into a regular hexagon ceramic chip through plasma discharge sintering; step 2, splicing the regular hexagonal ceramic plates into ceramic base materials, filling micron-sized copper foils into splicing gaps, and sintering the ceramic base materials into a ceramic deck through vacuum hot pressing; and 3, carrying out hot isostatic pressing compounding on the ceramic deck and the bulletproof back plate to obtain the bulletproof composite armor. The high-toughness composite ceramic formed by bonding copper base materials is compounded with the bulletproof back plate to prepare the bulletproof back plateThe bulletproof composite armor is formed, and the capability of the composite armor for resisting armor-piercing bullets and armor-piercing combustion bullets for multiple times is greatly improved.

Description

Bulletproof composite armor and preparation method thereof
Technical Field
The invention relates to a technology in the field of organic chemistry, in particular to a bulletproof composite armor and a preparation method thereof.
Background
The excellent performance of boron carbide makes it more and more applied in various industries. For example, chinese patent application No. CN200910180582.5 discloses a composite ceramic in which boron carbide is compounded with carbon fibers to improve the hardness of the boron carbide ceramic; although the hardness of the boron carbide ceramic is improved by compounding with other materials, the bulletproof effect is difficult to realize.
The Chinese patent application with the application number of 200510086629.3 discloses a preparation method of a steel honeycomb ceramic sandwich composite bulletproof armor, which adopts a bulletproof steel plate to prepare a honeycomb, fills ceramic chips, and forms the composite bulletproof armor by gluing and brazing. The composite bulletproof armor uses a CrMo alloy frame, and the bulletproof plate is too heavy and cannot meet the surface density limitation of a lightweight protective deck.
The present invention has been made to solve the above-mentioned problems occurring in the prior art.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the bulletproof composite armor and the preparation method thereof, the high-toughness composite ceramic formed by bonding the copper substrate is compounded with the bulletproof back plate to prepare the bulletproof composite armor, and the capability of the composite armor for resisting armor-piercing bullets and armor-piercing combustion bullets for multiple strikes is greatly improved.
The invention relates to a preparation method of a bulletproof composite armor, which comprises the following steps:
step 1, mixing 100 parts of B by weight4Uniformly mixing the C powder and 5-15 parts of carbon nanofibers, and then putting the mixture into a forming die with a regular hexagon cross section; adopting a plasma discharge sintering method, and quickly carrying out hot-pressing sintering to obtain a regular hexagonal ceramic plate;
step 2, splicing the regular hexagonal ceramic plates prepared in the step 1 into a ceramic base material, filling copper foils with the thickness of 1-20 mu m and the purity of more than 99% or copper-nickel alloy (75 wt%/25 wt%) foils with the thickness of 1-20 mu m into splicing gaps, and sintering the base material into a ceramic deck through vacuum hot pressing;
and 3, carrying out hot isostatic pressing compounding on the ceramic deck prepared in the step 2 and the bulletproof back plate to obtain the bulletproof ceramic composite armor.
Preferably, the thickness of the regular hexagonal ceramic plate is 5-30 mm, and the height of the regular hexagonal ceramic plate is 50-100 mm; the bottom surface is a plane, and the upper surface is a plane or an arc surface.
Preferably, the plasma discharge sintering conditions are: the temperature rise speed is 100-600 ℃/min, the pressure is 50-80 Mpa, and the temperature is kept at 1600-2000 ℃ for 10-30 min.
Preferably, the vacuum hot-pressing sintering conditions are as follows: the temperature is 800-950 ℃, the pressure is 50-100 Mpa, and the heat preservation time is 30-60 minutes.
Preferably, the bulletproof back plate is made of at least one of ultrahigh molecular weight polyethylene, aramid fiber, bulletproof aluminum alloy, titanium alloy, tungsten alloy and steel.
Preferably, the hot isostatic pressing conditions are: the adhesive is thermosetting resin, the thermal compounding temperature is 120-280 ℃, the pressure is 3-5 MPa, and the heat preservation time is 30-60 minutes.
Technical effects
Compared with the prior art, the invention has the following technical effects:
1) the boron carbide ceramic wafer with stable quality can be quickly sintered by using discharge plasma to sinter the boron carbide ceramic wafer;
2) the base materials of the regular hexagonal ceramic plates are bonded into the bulletproof ceramic deck, the crack diffusion of each bullet point is small, and the capability of the bulletproof ceramic deck for resisting multiple bounce is improved;
3) then, the bulletproof ceramic deck with any size and shape is manufactured by high-temperature sintering of ceramic-metal;
4) the ceramic deck and the bulletproof back plate are combined for use, so that the weight of the composite armor is reduced, and the protective armor can meet the requirement of high-strength protective armor on light weight.
Drawings
FIG. 1 is a schematic view of a ceramic deck according to example 1;
figure 2 is a schematic representation of the ballistic resistant composite armor made in example 1.
Detailed Description
The present invention will be described in detail with reference to specific embodiments. The experimental procedures, in which specific conditions are not specified in the examples, were carried out according to the conventional methods and conditions.
Example 1
The embodiment relates to a preparation method of a bulletproof composite armor, which comprises the following steps:
step 1, according to the requirement of 44g of B for a single ceramic chip4Uniformly mixing C powder (Sirfu nano technology) and 4.4g of carbon nanofibers (Suzhou first element CNTcr), putting the two raw materials into a regular hexagon die with the height of 50mm and the thickness of 10.6mm, and performing continuous automatic plasma discharge sintering, wherein the adopted equipment is German Dr. FRITSCH DSP500, the heating rate is 200 ℃/min, the temperature is 50Mpa, and the temperature is 1800 ℃ for 10 minutes, so that enough regular hexagon boron carbide ceramic plates are prepared, and the obtained regular hexagon boron carbide ceramic plates are 50mm in height and 8mm in thickness;
step 2, mixing the boron carbide ceramic wafer with the thickness of 15 mu m and the purity>Splicing 99% of copper foils into a base material according to the mode of figure 1, and then placing the base material in a hot-pressing die with the same appearance size as the spliced base material; heating to 900 deg.C under 50MPa, maintaining the temperature and pressure for 20min, and hot-pressing and sintering to obtain a product with density of 2.50g/cm3The monolithic ceramic deck of (a);
step 3, mixing the ceramic deck with the surface density of 16kg/m through epoxy resin2The ultra-high molecular weight polyethylene back plate is bonded, and the hot isostatic pressing compounding is carried out for 45min under the conditions of 145 ℃ and 5MPa pressure to obtain the bulletproof composite armor, wherein the structure of the bulletproof composite armor is shown in figure 2.
Tests show that the Vickers hardness of the ceramic is more than 35GPa, the bending strength is more than 700MPa, and the fracture toughness is more than 7.5 MPa.m1/2Density 2.50g/cm3Relative density (compactness) greater than 99.5% TD; the surface density of the ceramic composite armor is less than 36kg/m2After the armor piercing bullet of 12.7mm is shot by 6 shots (the shooting speed is 870m/s), no perforation is caused, and the maximum deformation BFS (recess) of the ultra-high molecular weight polyethylene backboard is less than 35mm, so that the requirement is met.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims (7)

1. A method of making a ballistic resistant composite armor comprising the steps of:
step 1, mixing 100 parts of B by weight4Uniformly mixing the C powder and 5-15 parts of carbon nanofibers, and then putting the mixture into a forming die with a regular hexagon cross section; adopting a plasma discharge sintering method, and quickly carrying out hot-pressing sintering to obtain a regular hexagonal ceramic plate;
step 2, splicing the regular hexagonal ceramic plates prepared in the step 1 into ceramic base materials, wherein the filling thickness of the splicing gaps is 1-20 mu m, and the purity of the splicing gaps is>99% copper foil or copper-nickel alloy foil with the thickness of 1-20 μm, wherein the corresponding mass percentage of copper/nickel in the copper-nickel alloy foil is 75 wt%/25 wt%, the base material is sintered into a ceramic deck by vacuum hot pressing, and the ceramic deck is B4C-Cu-B4C, the copper penetrates into gaps of boron carbide ceramic particles to achieve a metal-ceramic sintering effect;
and 3, carrying out hot isostatic pressing compounding on the ceramic deck prepared in the step 2 and the bulletproof back plate to obtain the bulletproof ceramic composite armor.
2. The preparation method of the bulletproof composite armor according to claim 1, wherein the thickness of the regular hexagonal ceramic sheet is 5-30 mm, and the height of the regular hexagonal ceramic sheet is 50-100 mm; the bottom surface is a plane, and the upper surface is a plane or an arc surface.
3. The method of making ballistic resistant composite armor of claim 1, wherein said plasma discharge sintering conditions are: the temperature rise speed is 100-600 ℃/min, the pressure is 50-80 Mpa, and the temperature is kept at 1600-2000 ℃ for 10-30 min.
4. The method of making the ballistic resistant composite armor of claim 1 wherein said vacuum hot pressed sintering conditions are: the temperature is 800-950 ℃, the pressure is 50-100 Mpa, and the heat preservation time is 30-60 minutes.
5. The method of claim 1, wherein the ballistic resistant back sheet is made of at least one of ultra high molecular weight polyethylene, aramid, ballistic resistant aluminum alloy, titanium alloy, tungsten alloy, and steel.
6. The method of making the ballistic resistant composite armor of claim 1 wherein said hot isostatic pressing conditions are: the adhesive is thermosetting resin, the thermal compounding temperature is 120-280 ℃, the pressure is 3-5 MPa, and the heat preservation time is 30-60 minutes.
7. A ballistic resistant composite armor made by the method of any one of claims 1-6.
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CN111811322A (en) * 2020-07-22 2020-10-23 赛福纳米科技(徐州)有限公司 Ceramic-titanium alloy-PE composite bulletproof deck and preparation method thereof
CN112229272A (en) * 2020-08-26 2021-01-15 昌河飞机工业（集团）有限责任公司 Light composite protective armor
CN112174672B (en) * 2020-09-03 2022-09-23 香河星通科技有限公司 Preparation method of boron carbide composite ceramic plate and bulletproof flashboard
CN112729014B (en) * 2020-12-09 2022-08-12 浙江立泰复合材料股份有限公司 Preparation method of multi-bullet-resistant intensive-strike composite armor
CN113829683A (en) * 2021-08-17 2021-12-24 中国航空制造技术研究院 Composite armor structure and manufacturing method thereof

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