CN111811322A - Ceramic-titanium alloy-PE composite bulletproof deck and preparation method thereof - Google Patents

Ceramic-titanium alloy-PE composite bulletproof deck and preparation method thereof Download PDF

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Publication number
CN111811322A
CN111811322A CN202010710282.XA CN202010710282A CN111811322A CN 111811322 A CN111811322 A CN 111811322A CN 202010710282 A CN202010710282 A CN 202010710282A CN 111811322 A CN111811322 A CN 111811322A
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titanium alloy
ceramic
deck
composite
bulletproof
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CN202010710282.XA
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Chinese (zh)
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刘媛
王金娥
陈玉华
董明
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Saifu Nano Technology Xuzhou Co ltd
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Saifu Nano Technology Xuzhou 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
    • F41H5/0421—Ceramic layers in combination with metal layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin 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
    • 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
    • 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
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    • 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
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    • 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
    • C22C47/14—Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
    • C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
    • C22C49/10—Refractory metals
    • C22C49/11—Titanium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
    • C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 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
    • B32B2262/10—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
    • 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
    • B32B2307/546—Flexural strength; Flexion stiffness
    • 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

Abstract

A ceramic-titanium alloy-PE composite bulletproof deck and a preparation method thereof belong to the technical field of weaponry. The preparation method of the ceramic-titanium alloy-PE composite bulletproof deck comprises the following steps: s1, mixing the titanium alloy powder and the carbon nanofiber with the aluminum plated surface uniformly to prepare titanium alloy composite powder; s2, spreading the titanium alloy composite powder on a graphite mold, then covering with a carbon nanofiber toughened boron carbide ceramic sheet, and performing hot-pressing sintering to obtain a ceramic-titanium alloy composite deck; s3, bonding the ultra-high molecular weight PE plate with the ceramic-titanium alloy composite deck prepared in the step S2 to obtain the ceramic-titanium alloy-PE composite bulletproof deck. The composite bulletproof deck prepared by the invention has good integral associativity and strong resistance to armor-piercing bullets and armor-piercing combustion bullets.

Description

Ceramic-titanium alloy-PE composite bulletproof deck and preparation method thereof
Technical Field
The invention relates to a technology in the field of weaponry, in particular to a ceramic-titanium alloy-PE composite bulletproof deck and a preparation method thereof.
Background
Boron carbide has excellent performances of low density, high hardness, strength, elastic modulus and the like, and is more and more widely applied in the field of bulletproof armor. But the bending strength and fracture toughness are lower, and the brittleness is higher, so that the application of the boron carbide ceramic is limited.
The Chinese patent application CN103727842A discloses a fiber/ceramic/metal composite bulletproof plate and a preparation method thereof, the method comprises the steps of preparing a titanium alloy frame through laser welding, fixing an ultra-high molecular weight polyethylene plate in a cavity of the titanium alloy frame by using an adhesive, connecting a carbon fiber layer and a ceramic layer by using the adhesive, and realizing the connection of the ceramic layer and a metal lateral constraint resin composite plate through a ceramic surface metallization method. This patent uses the fixed polyethylene board of gluing agent, connects carbon fiber layer and ceramic layer, and the gluing agent is macromolecular material, and when the first bullet of piercing, the first burning bullet of piercing hit compound bulletproof plate, the high heat of production can make gluing agent melt, lose efficacy, and compound bulletproof plate loses shellproof effect.
The Chinese patent application CN109115037A discloses a preparation method of a novel composite bulletproof flashboard, which comprises the following steps: 1) stamping a titanium alloy plate or a titanium plate into a multi-bent plate as a bullet facing panel, and stamping the titanium plate into the multi-bent plate as a back plate; 2) adhering aramid cloth on a polyethylene plate to form an aramid cloth transition layer, adhering ceramic to form a crack stop layer, and curing and plasticity to obtain an inner core; 3) and placing the inner core into the back plate, and covering the bullet-facing panel on the back plate for vacuumizing, welding and sealing to obtain the bulletproof flashboard. In the patent, the bullet-resistant inserting plate is obtained by welding the bullet-facing panel and the titanium alloy plate from plate to plate, the contact area between the plates is large, and when the bullet-facing panel and the titanium alloy plate are impacted at high speed by armor piercing combustion bomb, the binding property between the bullet-facing panel and the titanium alloy plate is poor and the bullet-facing panel and the titanium alloy plate are easy to fall off.
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 a ceramic-titanium alloy-PE composite bulletproof deck and a preparation method thereof, which can overcome the defects of boron carbide ceramics, and the prepared composite bulletproof deck has good integral bonding property and strong resistance to armor piercing bullets and armor piercing combustion bullets.
The invention relates to a preparation method of a ceramic-titanium alloy-PE composite bulletproof deck, which comprises the following steps:
s1, uniformly mixing the titanium alloy powder and the carbon fiber with the aluminized surface to prepare titanium alloy composite powder;
s2, spreading the titanium alloy composite powder on a graphite mold, then covering with a carbon nanofiber toughened boron carbide ceramic sheet, and performing hot-pressing sintering to obtain a ceramic-titanium alloy composite deck;
and S3, bonding the ultra-high molecular weight PE plate with the composite deck prepared in the step S2 to obtain the ceramic-titanium alloy-PE composite bulletproof deck.
Preferably, the powder granularity of the titanium alloy powder is 0.5-500 μm, and the titanium element accounts for 50-99.5% of the weight of the titanium alloy powder.
Preferably, the weight ratio of the titanium alloy powder to the nano carbon fiber is 100 (1-10).
Preferably, the length of the carbon nanofiber is 5-20 μm, the diameter is 50-200nm, the thermal conductivity of the fiber is more than 1200W/(m.k), and the thickness of the aluminum coating on the surface of the fiber is 5-20 nm.
Preferably, the nano carbon fiber toughened boron carbide ceramic wafer is of a combined or integral structure; further preferably, the ceramic plate has a thickness of 5-100 mm.
Preferably, the hot-pressing sintering temperature is 950-1300 ℃, the vacuum or argon protective atmosphere is adopted, the pressure is 20-50MPa, and the heat preservation time is 10-60 min.
The invention relates to a ceramic-titanium alloy-PE composite bulletproof deck, which is manufactured by adopting the method; preferably, the thickness is 5.5-150 mm.
Technical effects
Compared with the prior art, the invention has the following technical effects:
1) the titanium alloy powder and the aluminized carbon nanofibers are uniformly mixed, so that the bonding performance of the titanium alloy powder and the carbon nanofibers in hot-pressing sintering is enhanced, and the toughness of the sintered titanium alloy can be greatly improved; the nano carbon fiber is aluminized, so that excessive consumption of the nano carbon fiber in the reaction process is avoided;
2) in the hot-pressing sintering process, titanium alloy permeates into gaps of ceramic particles and is combined with nano carbon fibers uniformly distributed in the ceramic to generate TiC, and a small amount of boron carbide permeates into the titanium alloy and reacts with Ti to generate TiB2A transition connection area of chemical bond bonding is formed, so that the connection strength of the titanium alloy and the carbon nanofiber toughened boron carbide ceramic plate after hot-pressing sintering is ensured, and the prepared ceramic-titanium alloy composite deck has good bonding property and high bending strength and fracture toughness;
3) the ceramic deck and the titanium alloy bulletproof back plate are combined for use, so that the weight of the composite bulletproof deck is reduced, and the requirement of lightweight high-strength protective armor is met.
Drawings
FIG. 1 is a SEM photograph of a cross section of a carbon nanofiber toughened boron carbide ceramic wafer in example 1;
FIG. 2 is an SEM photograph of the ceramic-titanium alloy composite deck of example 1;
FIG. 3 is a schematic view of the monolithic ceramic-titanium alloy-PE composite armor plate of example 1;
fig. 4 is a schematic view of the combined ceramic-titanium alloy-PE composite armor plate of example 2.
Detailed Description
The invention is described in detail below with reference to the drawings and the detailed description. 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 single-plate integral ceramic-titanium alloy-PE composite bulletproof deck, which comprises the following steps:
s1, stirring and mixing 250g of Ti-6Al-4V alloy powder with the particle size distribution of 5-50 μm and 25g of surface aluminum-plated carbon nanofibers (first element CNTa in Suzhou, the fiber length is 5-20 μm, the diameter is 50-200nm, the fiber thermal conductivity is greater than 1200W/(m.k), and the fiber surface aluminum-plated layer thickness is 5-20nm) uniformly to prepare titanium alloy composite powder;
s2, spreading the titanium alloy composite powder on a graphite die, and covering a layer of carbon nanofiber toughened boron carbide ceramic plate (Suzhou first element, density 2.47 g/cm) with thickness of 10mm3) Keeping the temperature for 10min in a vacuum environment at 1000 ℃ and under the pressure of 50MPa to ensure that the titanium alloy composite powder and the carbon nanofiber toughened boron carbide ceramic wafer fully react to prepare a ceramic-titanium alloy composite deck; the test shows that the thickness of the ceramic-titanium alloy composite deck is 11mm, and the density is 2.92g/cm3(ii) a FIG. 1 is a SEM photograph of a cross section of a nano carbon fiber toughened boron carbide ceramic wafer, and it can be seen from the SEM photograph that nano carbon fibers are uniformly dispersed in a ceramic material, and when the ceramic is broken, the nano carbon fibers are pulled out, so that a good toughening effect can be achieved; FIG. 2 is a SEM photograph of the ceramic-titanium alloy composite deck, which shows that at high temperature, the titanium alloy and the boron carbide ceramic are infiltrated into each other, Ti infiltrated into the gaps of the ceramic particles is combined with the nano carbon fibers uniformly distributed in the ceramic to form TiC, and a small amount of boron carbide is infiltrated into the titanium alloy and reacts with Ti to form TiB2Forming a transition connection area of chemical bond bonding, so that the nano carbon fiber toughened titanium alloy is tightly connected with the nano carbon fiber toughened boron carbide ceramic plate;
s3, preparing an ultra-high molecular weight PE plate (density 0.97 g/cm) with the thickness of 6mm3) And bonding the composite armor plate prepared in the step S2 to obtain the ceramic-titanium alloy-PE plate composite bulletproof armor plate shown in the figure 3, wherein the ceramic-titanium alloy-PE plate composite bulletproof armor plate comprises a boron carbide ceramic layer 1, a nano carbon fiber reinforced titanium alloy layer 2 and an ultra-high molecular weight PE plate 3 which are arranged in a stacked mode.
The test shows that the areal density of the ceramic-titanium alloy-PE plate composite bulletproof deck is 35kg/m2Bending strength of more than 700MPa, and fracture toughness of more than 8.0 MPa.m1/2. The PE plate is shot by a 6-shot 53-type armor-piercing combustion bomb (the bomb speed is 870m/s), no perforation is generated, the maximum deformation BFS (recess) of the PE plate is less than 20mm, and the bulletproof requirement is met.
Example 2
The embodiment relates to a preparation method of a honeycomb combined ceramic-titanium alloy-PE composite bulletproof deck, which comprises the following steps:
step 1, stirring and mixing 250g of Ti-6Al-4V alloy powder with the particle size distribution of 0.5-50 mu m and 25g of surface aluminum-plated carbon nanofibers (first element CNTa in Suzhou, the fiber length is 5-20 mu m, the diameter is 50-200nm, the fiber thermal conductivity is greater than 1200W/(m.k), and the fiber surface aluminum-plated layer thickness is 5-20nm) uniformly to prepare titanium alloy composite powder;
step 2, spreading the titanium alloy composite powder in a graphite die with a cambered surface, and then covering a layer of nano carbon fiber toughened boron carbide ceramic sheet (Suzhou first element, density 2.47 g/cm) with thickness of 10mm and with the same of regular hexagon nano carbon fiber toughened3) Keeping the temperature for 10min in an argon environment at 980 ℃ and 50 MPa; in the process, the nano toughening titanium alloy powder can form a nano carbon fiber toughening titanium alloy layer between gaps of the regular hexagonal nano carbon fiber toughening boron carbide ceramic plates and at the bottom of the regular hexagonal nano carbon fiber toughening boron carbide ceramic plates, and the thickness of the ceramic-titanium alloy composite deck is 11 mm;
step 3, preparing an ultra-high molecular weight PE plate (density 0.97 g/cm) with the thickness of 6mm3) And bonding the composite armor plate prepared in the step S2 to obtain the ceramic-titanium alloy-PE plate composite bulletproof armor plate shown in figure 4.
The test shows that the areal density of the ceramic-titanium alloy-PE plate composite bulletproof deck is 36kg/m2After the fire 6 53-shot armor-piercing combustion bullet is shot (the bullet speed is 870m/s), no perforation exists, the maximum deformation BFS (recess) of the PE plate is less than 20mm, and the bulletproof 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 (9)

1. A preparation method of a ceramic-titanium alloy-PE composite bulletproof deck is characterized by comprising the following steps:
s1, mixing the titanium alloy powder and the carbon nanofiber with the aluminum plated surface uniformly to prepare titanium alloy composite powder;
s2, spreading the titanium alloy composite powder on a graphite mold, then covering with a carbon nanofiber toughened boron carbide ceramic sheet, and performing hot-pressing sintering to obtain a ceramic-titanium alloy composite deck;
and S3, bonding the ultra-high molecular weight PE plate with the composite deck prepared in the step S2 to obtain the ceramic-titanium alloy-PE composite bulletproof deck.
2. The method for preparing the ceramic-titanium alloy-PE composite bulletproof deck as claimed in claim 1, wherein the powder particle size of the titanium alloy powder is 0.5-500 μm, and the titanium element accounts for 50% -99.5% of the weight of the titanium alloy powder.
3. The method for preparing the ceramic-titanium alloy-PE composite bulletproof deck as claimed in claim 1, wherein the weight ratio of the titanium alloy powder to the nano carbon fiber is 100 (1-10).
4. The method for preparing the ceramic-titanium alloy-PE composite bulletproof deck as claimed in claim 1, wherein the nano carbon fiber has a length of 5-20 μm, a diameter of 50-200nm, a fiber thermal conductivity of more than 1200W/(m.k), and a fiber surface aluminum plating layer thickness of 5-20 nm.
5. The method for preparing the ceramic-titanium alloy-PE composite bulletproof deck as claimed in claim 1, wherein the carbon nanofiber toughened boron carbide ceramic sheet is of a combined or integral structure.
6. The method for preparing a ceramic-titanium alloy-PE composite bulletproof deck according to claim 5, wherein the ceramic sheet has a thickness of 5 to 100 mm.
7. The method for preparing the ceramic-titanium alloy-PE composite bulletproof deck as claimed in claim 1, wherein in the step S2, the hot-pressing sintering temperature is 950-1300 ℃, the vacuum or argon protective atmosphere, the pressure is 20-50MPa, and the heat preservation time is 10-60 min.
8. A ceramic-titanium alloy-PE composite bulletproof deck, characterized by being manufactured by the method of any one of claims 1 to 7, comprising a boron carbide ceramic layer, a titanium alloy-carbon fiber composite layer and an ultra-high molecular weight PE plate, which are sequentially stacked.
9. The ceramic-titanium alloy-PE composite ballistic deck of claim 8, wherein said ceramic-titanium alloy composite deck has a thickness of 5.5 to 150 mm.
CN202010710282.XA 2020-07-22 2020-07-22 Ceramic-titanium alloy-PE composite bulletproof deck and preparation method thereof Withdrawn CN111811322A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
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Application publication date: 20201023