CN105333772A - Composite structure bullet and riot shielding board and preparing method thereof - Google Patents
Composite structure bullet and riot shielding board and preparing method thereof Download PDFInfo
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- CN105333772A CN105333772A CN201510786728.6A CN201510786728A CN105333772A CN 105333772 A CN105333772 A CN 105333772A CN 201510786728 A CN201510786728 A CN 201510786728A CN 105333772 A CN105333772 A CN 105333772A
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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
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- 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
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- 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
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- 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
- B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
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- 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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- 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
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- 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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- 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
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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- 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 form; Layered products having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
- B32B9/043—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 natural rubber or synthetic rubber
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- 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
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- 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
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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
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- 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
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- 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
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- 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
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- 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
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- 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
- B32B2307/70—Other properties
- B32B2307/718—Weight, e.g. weight per square meter
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- 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)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a composite structure bullet and riot shielding board and a preparing method thereof. The composite structure bullet and riot shielding board comprises a carbon fiber surface rigid layer, a ceramic composite piece combination layer, an organic fiber bullet and riot shielding layer and a metal back plate, which are sequentially overlapped and combined, wherein the carbon fiber surface rigid layer comprises a modified thermosetting resin matrix and a carbon fiber fabric reinforcing body, and the modified thermosetting resin is filled with a short carbon fiber filler; the ceramic composite piece combination layer comprises a plurality of ceramic composite piece layers, the organic fiber bullet and riot shielding layer is prepared from an organic fiber UD material, and a burr structure mechanically engaged with the organic fiber bullet and riot shielding layer is processed on the surface, in contact with the organic fiber bullet and riot shielding layer, of the metal back plate; a special metal back projection preventing layer on the bullet bearing surface can effectively reduce the height of back projections occurring after the invasion of bullets; and the middle ceramic composite combination layer can effectively resist the invasion of the bullets and ensure the maximum deformation of the bullet heads.
Description
Technical field
The present invention is specifically related to shellproof anti-riot plate of a kind of composite construction and preparation method thereof.
Background technology
Although the probability that worldwide major war occurs is little, but the small-sized conflicts such as the terrorist activity of local war and international coverage and interior of country riot still emerge in an endless stream, in the processing procedure of the riot of this small-scale or conflict, be no matter that the protective characteristic of the transport weaponry of army or station house or the armored vehicle of soldier policeman is particularly important.And between nineteen sixties to the seventies, along with the development of world peace, various countries are ignored to some extent to the anti-riot characteristic of armored vehicle gradually, and this trend brings serious consequence, particularly along with armored vehicle uses the minimizing of tank quantity in the minimizing of scale and armoring formation, armored vehicle cost material reduces, armor thickness minimizing makes vehicle be easy to suffer the attack of land mine, so land mine becomes again the first-selected weapon that terrorist or rebel and local reaction arms tackle armored vehicle.According to statistics, 69% is had to be caused by land mine in the armored vehicle of U.S. army's damage in Vietnam War, but U.S. army does not make larger improvement to this situation, and just under the aluminum alloy armor car body of M113 armoured carrier and M551 lightweight tank, install steel plate additional.
This ignorance neither not have reason, the armour material mainly can taking into account shellproof and anti-riot characteristic is at present main still based on Special steel sheet material, the density of metal material is comparatively large, Heavy Weight brings vehicle mobility wretched insufficiency, and this is also the major reason that armour material does not slowly get a promotion.Along with the development of novel organic fibrous material, the composite of the special fibre formation of high strength, high tenacity has possessed the intensity not available for metal material, special cermacis has again the super charged compression strength characteristics surmounting metal simultaneously, moreover along with the development of inorfil composite, especially carbon fibre composite is in the extensive use of military industry field, and composite has also been endowed unprecedented superelevation stiffness characteristics.The Combination application of organic fiber composite, inorfil composite and ceramic composite, the overall characteristic of advanced protective materials is possessed several single material material, also the main research emphasis of the anti-riot material of unique ballistic replacing Special steel sheet material is become, another the important feature combining multiple composite is exactly that their combined density all will lower than metal material, and this is also the major way promoting armored vehicle protective materials lightweight nature and mobility.But, the technology of preparing of the shellproof anti-riot plate of current various material compound is still immature, boundary strength particularly between material is comparatively weak, when closely fragmentation attacks vehicle chassis to land mine, huge explosive damage power unavoidably brings the interfacial detachment layering between heterogeneous material, has had a strong impact on the performance of protective characteristic; The unique ballistic composite simultaneously used at present is all based on polyethylene fiber composites or aramid fiber reinforced composite, the high temperature creep of this material and the equal defectiveness of weatherability, therefore the service life of material under complex environment and mechanics rigidity are all faced with serious threat.
Summary of the invention
The object of the invention is to solve the technical problem existed in prior art, shellproof anti-riot plate of a kind of composite construction and preparation method thereof is provided, the shellproof anti-riot plate of this composite construction has that lightweight, the low back of the body are convex, high/low temperature Stability Analysis of Structures and service life longer advantage.
In order to solve above technical problem, technical scheme of the present invention is:
The shellproof anti-riot plate of a kind of composite construction, comprise the carbon fiber surface rigid layer, Ceramic Composite sheet combination layer, the shellproof anti-riot layer of organic fiber and the metal backing that superpose combination successively, wherein, carbon fiber surface rigid layer comprises modified heat convertible resin matrix and carbon fibre fabric reinforcement, is filled with chopped carbon fiber filler in modified heat convertible resin; Ceramic Composite sheet combination layer comprises some layers of Ceramic Composite lamella, and the shellproof anti-riot layer of organic fiber is prepared from by organic fiber UD material.
The carbon fiber surface rigid layer of high stiffness characteristics, can effectively resist bullet penetration and ensure the backboard synergy of the ceramic composite combination layer be at utmost out of shape of projectile head, the shellproof anti-riot layer of organic fiber with anti-fragmentation characteristic and the convex effect of the anti-back of the body, make shellproof anti-riot plate of the present invention have the advantage of the convex and long service life of lightweight, the low back of the body.
Preferably, described every layer of Ceramic Composite lamella includes ceramic fiber fabric fortifying fibre and ceramic matrix.Micropore stitched technique is adopted to make multi-disc form an entirety between Ceramic Composite lamella, utilize micropore reserved in ceramic monoliths process, between multi-disc ceramic material, adopt high strength, high-tenacity fiber to carry out loop bonding combination, effectively improve intensity and the high compression-strength of Ceramic Composite sheet combination layer.
Preferred further, be provided with the riveted structure for both being combined between Ceramic Composite sheet combination layer and the shellproof anti-riot layer of organic fiber.
Further preferred, all reserved micropore on every layer of Ceramic Composite lamella, between adjacent ceramic compact layer by reserved micropore loop bonding together, the fiber for loop bonding is one or more in carbon fiber, superhigh molecular weight polyethylene fibers or aramid fiber.
Further preferred, the fortifying fibre in described ceramic fiber fabric is one or more in silicon carbide fibre, alumina fibre, boron nitride fiber or boron carbide fibre, and the material of described ceramic matrix is carborundum, aluminium oxide, boron nitride or boron carbide.
Preferably, bond between Ceramic Composite sheet combination layer and the shellproof anti-riot layer of organic fiber and form, the equal roughening process in surface of Ceramic Composite sheet combination layer and the shellproof anti-riot layer of organic fiber.The object of roughening process ensures that there are enough gel contents at interface.
Preferably, described metal backing is steel backboard, and the armour steel that steel backboard is 480 ~ 520HB by manganese steel or hardness is prepared from.The backboard of steel plate material can require to be designed to the profiled shape such as flat board, cambered plate according to the external form of armored vehicle, easily processes sizing.
Preferred further, the thickness of described metal backing is 2-20mm, and on the surface that the shellproof anti-riot layer of metal backing and organic fiber contacts, process the burr structure being used for carrying out mechanical engagement with the shellproof anti-riot layer of organic fiber.
Further preferred, the surface roughening process of metal backing, scribbles the adhesive phase for being combined by shellproof to metal backing and organic fiber anti-riot layer between metal backing with the shellproof anti-riot layer of organic fiber.Burr structure on the surface roughening process of metal backing and backboard all can improve the fastness of the interface cohesion of metal backing and organic fiber composite material quality.
Preferred further, the thickness of the shellproof anti-riot layer of organic fiber is 5-20mm.
Preferably, described modified heat convertible resin is the polyurethane of thermosetting resin modification, polyethylene, unsaturated polyester resin or rubber elastomer.
A preparation method for the shellproof anti-riot plate of composite construction, comprises the steps:
1) pretreatment of metal backing
Roughening process is carried out on sheet metal surface, and in the Surface Machining burr structure of sheet metal roughening process, the sheet metal after process is worked into setting shape, obtained metal backing;
2) in step 1) in the surface coating adhesive of machined burrs structure of obtained metal backing, shellproof for organic fiber anti-riot layer is fixed on metal backing in the mode of drop stamping, the shellproof anti-riot layer of organic fiber remains for the hole of carrying out mechanical engagement with the burr structure of metal backing in advance;
3) preparation of Ceramic Composite sheet combination layer
Preparation Ceramic Composite lamella, every layer of Ceramic Composite lamella remains for the micropore of loop bonding in advance, and micro-pore diameter is at 0.2-0.8mm; Be combined with the loop bonding of composite layer for Ceramic Composite lamella.
4) multi-layer ceramics compact layer is carried out loop bonding and obtain Ceramic Composite sheet combination layer; By the reserved micropore on Ceramic Composite sheet combination layer and the shellproof anti-riot layer of organic fiber, increase fiber is carried out longitudinal direction and to puncture riveted joint;
5) preparation of carbon fiber surface rigid layer
First lay the carbon fiber two-dimensional fabric of setting thickness on Ceramic Composite sheet combination layer surface, then the modified heat convertible resin vacuum that with the addition of chopped carbon fiber filler is imported carbon fiber two-dimensional fabric, solidification, to obtain final product.
Preferably, step 2) in, by the surface hollow-out process that shellproof for organic fiber anti-riot layer and metal backing are fixed.The burr structure of surface of steel plate is embedded into UD laminated material inside completely and forms the embedding entirety of hook, substantially increases the bond strength between double-layer structure.
Preferably, step 2) in, the concrete steps of drop stamping process are, first by metal backing and the preheating simultaneously of the shellproof anti-riot layer of organic fiber, the time of preheating is 5-20min, and preheat temperature is 70-90 DEG C; After preheating completes, by metal backing punching press to the surface of the shellproof anti-riot layer of organic fiber, drop stamping pressure is 5-25MPa, and the drop stamping time is 5-20min; After punching press completes, workpiece is cooled to less than 70 DEG C in 5-10min.
The back of the body that the punching press of employing Rapid Thermal is conducive to reducing tank board is convex, improves its shellproof anti-riot performance, and improves production efficiency.
Step 3) in, the preparation method of Ceramic Composite lamella is: after adopting high-strength special type ceramic fibre and corresponding special cermacis matrix compound, high temperature sintering prepares Ceramic Composite lamella.
Preferably, step 4) in, apply adhesive by between the adjacent ceramic compact layer of obtained Ceramic Composite sheet combination layer, Ceramic Composite sheet combination layer is formed integrated model.
Preferably, step 4) in, Ceramic Composite sheet combination layer is applied adhesive between the shellproof anti-riot layer of organic fiber.Sticked in the shellproof anti-riot layer surface of organic fiber by bonding mode, effectively strengthen bond strength between the two.
Preferably, step 5) in, the vacuum that vacuum imports is-0.8 ~-0.2MPa, and the temperature of solidification is 40-80 DEG C, and the time of solidification is 2-5h.
Preferably, step 5) in, described chopped carbon fiber filler accounts for the 5-25% of thermosetting resin content.
Preferably, step 5) in, the refracting films of carbon fiber two-dimensional fabric be plain weave, twill, satin weave etc. one or more.
The shellproof anti-riot plate of above-mentioned composite construction is preparing the application in armour plate.
First according to base curve external form or the dull and stereotyped external form of armored vehicle outer shape design steel backboard; Be there is by novel Rapid Thermal stamping technology preparation on the surface of Special steel metal backing the shellproof anti-riot layer of organic fiber composite of certain pretightning force afterwards; In addition micropore stitched technique compound ceramic composite lamella is passed through at organic fiber composite layer outer surface after; Finally vacuum leading-in technique is adopted to prepare surperficial carbon fibre composite rigid layer in ceramic composite sheet surfaces, the shellproof anti-riot plate structure of four layers of combined type that final formation has " the fine rigid layer/Ceramic Composite lamella/convex layer of the anti-back of the body of organic fiber composite bed/metal of carbon ", as the basic protective plates of military or police lightweight bulletproof anti-riot armored vehicle.
The present invention is based on many materials combining structure thinking, the basis of traditional Special steel sheet material introduces special fibre composite material quality and ceramic composite sheet material, three is carried out Proper Match combination, prepared multilayer carbon fibre composite clad structure at plate surface simultaneously, the fabricated structure of this " carbon fibre composite → Ceramic Composite lamella → organic fiber bulletproof composite layer → Special steel rigid layer " from outward appearance to inner essence, play traditional ceramics, the inherent characteristic of organic-inorganic fibrous composite and metal material, greatly improved rigidity and the weatherability of shellproof anti-riot armour plate by the combination of carbon fibre composite simultaneously.The barrier propterty appearing as military or police armored vehicle of this combined type armour plate promotes significant.
The invention has the beneficial effects as follows:
(1) adopt many materials to be combined to form the shellproof anti-riot armour plate of overall composite construction, wherein, surface carbon fiber rigid layer effectively can ensure the rigidity of shellproof chest plate under complicated high and low temperature environment and bulk strength, maintains its shellproof anti-riot stability of characteristics; In addition carry on the back the anti-back of the body of bullet face specialty metal convex layer effectively can reduce Projectile Penetration after the convex height of the back of the body; Middle ceramic composite combination layer effectively can be resisted the penetration of bullet and ensure the at utmost distortion of projectile head; The shellproof anti-riot layer of main body organic fiber can ensure the penetration protective characteristic of bullet, greatly alleviates the weight of overall plate simultaneously, ensures the flexibility of individual combat, the problem simultaneously bullet secondary can being avoided again to rebound.
(2) the reserved micropore by ceramic composite sheet surfaces between the shellproof anti-riot layer of combination, ceramic composite combination layer and organic fiber that burr is riveted and composite adhesive bonds is adopted between metal backing and the shellproof anti-riot layer of organic fiber, adopt the longitudinal riveted structure that punctures of fortifying fibre, form ceramic composite lamella to be combined with the entirety of main body ballistic fiber layer, realize interface rigidity and be effectively combined with toughness.
(3) monolithic in ceramic composite sheet combination layer adopts fiber reinforced ceramic formula composite construction, abandon the cracked problem of ceramic bullet proof sheet prepared by conventional powder sintering process, strengthened by fabric, ensure that the intensity of layered ceramic, rigidity and toughness, flexible design can be carried out according to appearance structure simultaneously.The combination of ceramic composite material adopts micropore loop bonding structure, and this will effectively prevent the problem of the shellproof anti-riot characteristic weakness of traditional ceramics sheet seam crossing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein, 1, carbon fiber surface rigid layer, 2, ceramic composite combination layer, 3, the shellproof anti-riot layer of organic fiber, 4, riveted structure, 5, burr, 6, metal backing.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
As shown in Figure 1, the shellproof anti-riot plate of a kind of composite construction, comprises the carbon fiber surface rigid layer 1, ceramic composite combination layer 2, the shellproof anti-riot layer 3 of organic fiber and the metal backing 4 that superpose combination successively.
Embodiment 1
Described metal backing 6 adopts manganese steel to prepare the convex layer of the anti-back of the body, and the thickness of steel is 5mm, and special steel material external form is dull and stereotyped.Roughening process is carried out on the surface of sheet metal, processes in the burr structure of specialty metal Surface Machining appropriateness in order to engaging with the interfacial mechanical of the shellproof anti-riot material of pretension organic fiber simultaneously.
With above-mentioned special steel plate material (i.e. metal backing 6) for substrate, the bonding press surface of being installed, organic fiber composite UD (i.e. the shellproof anti-riot layer 3 of organic fiber) lamination is placed in the middle part of press platform, the bottom hollow out process of the shellproof anti-riot layer 3 of organic fiber, be warming up to 90 DEG C afterwards, the pressure of 25MPa is adopted above-mentioned metal backing 6 to be forced under the state of preheating unsettled UD laminated material surface afterwards, so that the burr structure reaching surface of steel plate is embedded into UD laminated material inside completely form the embedding entirety of hook.Before drop stamping technique, need the surperficial coated by special adhesive of metal backing 6.
Ceramic composite combination layer 2 is formed by stacking by multi-layer ceramics compact layer, and Ceramic Composite lamella adopts ceramic fiber fabric to strengthen ceramic matrix preparation, and the fortifying fibre in ceramic fiber fabric used selects silicon carbide fibre; Select carborundum as ceramic matrix material.At the convex layer of the anti-back of the body of above-mentioned metal and the anti-riot layer of special fibre bulletproof composite in conjunction with on basis, at the reserved micropore in the shellproof anti-riot layer surface of fiber composite, the loop bonding of T700 carbon fiber will be adopted between Ceramic Composite lamella, adopt bonding mode that ceramic tablets is formed entirety after loop bonding, Ceramic Composite lamella sticked the surface in the shellproof anti-riot layer 3 of organic fiber by loop bonding mode.
T700 carbon fiber is adopted to prepare carbon fiber surface rigid layer 1, first be the carbon fiber two-dimensional fabric of 2mm at ceramic composite combination layer 2 surface paving seam thickness, the thermosetting resin that with the addition of chopped carbon fiber filler is adopted to carry out vacuum introducing technology afterwards, vacuum-0.8MPa, vacuum import after be cured at 80 DEG C, hardening time 3h.At the carbon fibre composite rigid layer that long (short) silk of Ceramic Composite sheet surfaces processing thermosetting resin-based has both, formation has " carbon fine rigid layer/Ceramic Composite lamella/convex layer of the anti-back of the body of organic fiber composite bed/metal " four layers of shellproof anti-riot armor structure of combined type, effectively can be equipped with the armored vehicle of anti-riot A level.
Embodiment 2
Metal backing 6 adopts 520HB hardness armour steel to prepare the convex layer of the anti-back of the body, and the thickness of steel is 6mm, and special steel material external form is cambered plate, and radius of curvature is 400mm.Roughening process is carried out on the surface of metal backing 6, processes in the burr structure of specialty metal Surface Machining appropriateness in order to engaging with the interfacial mechanical of the shellproof anti-riot layer 3 of pretension organic fiber simultaneously.
The metal backing 6 prepared with above-mentioned 520HB hardness armour steel sheet material is for substrate, the bonding press surface of being installed, organic fiber composite UD (i.e. the shellproof anti-riot layer 3 of organic fiber) lamination is placed in the middle part of press platform, the bottom hollow out process of (i.e. the shellproof anti-riot layer 3 of organic fiber), be warming up to 90 DEG C afterwards, the pressure of 20MPa is adopted above-mentioned steel board substrate to be forced under the state of preheating unsettled UD laminated material (the shellproof anti-riot layer 3 of organic fiber) surface afterwards, so that the burr structure reaching surface of steel plate is embedded into UD laminated material (the shellproof anti-riot layer 3 of organic fiber) inside completely and forms the embedding entirety of hook.Before drop stamping technique, need special steel plate surface coated by special adhesive, to make bonding firm.
Ceramic composite combination layer 2 is formed by stacking by multi-layer ceramics compact layer, and Ceramic Composite lamella adopts ceramic fiber fabric to strengthen ceramic matrix preparation, and the fortifying fibre in ceramic fiber fabric used selects boron nitride fiber; Select boron nitride as ceramic matrix material.At the convex layer of the anti-back of the body of above-mentioned metal and the anti-riot layer of special fibre bulletproof composite in conjunction with on basis, at the reserved micropore in multi-layer ceramics compact layer surface, the loop bonding of T300 carbon fiber will be adopted between multi-layer ceramics compact layer, adopt bonding mode that ceramic tablets is formed entirety after loop bonding, sticked in shellproof anti-riot layer 3 surface of organic fiber by bonding mode.
T300 carbon fiber is adopted to prepare carbon fiber surface rigid layer 1, first be the carbon fiber two-dimensional fabric of 2mm at Ceramic Composite sheet surfaces paving seam thickness, the thermosetting resin that with the addition of chopped carbon fiber filler is adopted to carry out vacuum introducing technology afterwards, vacuum-0.6MPa, vacuum import after be cured at 80 DEG C, hardening time 2h.At the carbon fibre composite rigid layer that long (short) silk of Ceramic Composite sheet surfaces processing thermosetting resin-based has both, formation has " carbon fine rigid layer/Ceramic Composite lamella/convex layer of the anti-back of the body of organic fiber composite bed/metal " four layers of shellproof anti-riot armor structure of combined type, effectively can be equipped with the armored vehicle of anti-riot A level.
Embodiment 3
Metal backing 6 adopts 520HB hardness armour steel to prepare the convex layer of the anti-back of the body, and the thickness of steel is 8mm, and special steel material external form is cambered plate, and radius of curvature is 390mm.Roughening process is carried out on the surface of metal backing 6, processes in the burr structure of specialty metal Surface Machining appropriateness in order to engaging with the interfacial mechanical of the shellproof anti-riot layer 3 of pretension organic fiber simultaneously.
With above-mentioned 520HB hardness armour steel sheet material for substrate, the bonding press surface of being installed, organic fiber composite UD (the shellproof anti-riot layer 3 of organic fiber) lamination is placed in the middle part of press platform, the bottom hollow out process of UD laminated material (the shellproof anti-riot layer 3 of organic fiber), be warming up to 90 DEG C afterwards, the pressure of 25MPa is adopted above-mentioned steel board substrate to be forced under the state of preheating unsettled UD laminated material (the shellproof anti-riot layer 3 of organic fiber) surface afterwards, so that the burr structure reaching surface of steel plate is embedded into UD laminated material (the shellproof anti-riot layer 3 of organic fiber) inside completely and forms the embedding entirety of hook.Before drop stamping technique, need special steel plate surface coated by special adhesive.
Ceramic composite combination layer 2 is formed by stacking by multi-layer ceramics compact layer, and Ceramic Composite lamella adopts ceramic fiber fabric to strengthen ceramic matrix preparation, and the fortifying fibre in ceramic fiber fabric used selects alumina fibre; Select aluminium oxide as ceramic matrix material.At the convex layer of the anti-back of the body of above-mentioned metal and the anti-riot layer of special fibre bulletproof composite in conjunction with on basis, micropore is reserved in Ceramic Composite sheet surfaces, the loop bonding of T800 carbon fiber will be adopted between Ceramic Composite lamella, adopt bonding mode that ceramic tablets is formed entirety after loop bonding, sticked in fibrous composite burster course surface by bonding mode.
T800 carbon fiber is adopted to prepare carbon fiber surface rigid layer 1, first be the carbon fiber two-dimensional fabric of 3mm at Ceramic Composite sheet surfaces paving seam thickness, the thermosetting resin that with the addition of chopped carbon fiber filler is adopted to carry out vacuum introducing technology afterwards, vacuum-0.8MPa, vacuum import after be cured at 75 DEG C, hardening time 2.5h.At the carbon fibre composite rigid layer that long (short) silk of Ceramic Composite sheet surfaces processing thermosetting resin-based has both, formation has " carbon fine rigid layer/Ceramic Composite lamella/convex layer of the anti-back of the body of organic fiber composite bed/metal " four layers of shellproof anti-riot armor structure of combined type, effectively can be equipped with the armored vehicle of anti-riot B level.
Embodiment 4
Metal backing 6 adopts 520HB hardness armour steel to prepare the convex layer of the anti-back of the body, and the thickness of steel is 6mm, and special steel material external form is dull and stereotyped.Roughening process is carried out on the surface of metal backing 6, processes in the burr structure of metal backing 6 Surface Machining appropriateness in order to engaging with the interfacial mechanical of the shellproof anti-riot layer 3 of pretension organic fiber simultaneously.
The metal backing 6 prepared with above-mentioned 520HB hardness armour steel sheet material is for substrate, the bonding press surface of being installed, organic fiber composite UD (the shellproof anti-riot layer 3 of organic fiber) lamination is placed in the middle part of press platform, the bottom hollow out process of UD laminated material (the shellproof anti-riot layer 3 of organic fiber), be warming up to 75 DEG C afterwards, the pressure of 25MPa is adopted above-mentioned steel board substrate to be forced under the state of preheating unsettled UD laminated material surface afterwards, so that the burr structure reaching surface of steel plate is embedded into UD laminated material inside completely form the embedding entirety of hook.Before drop stamping technique, need special steel plate surface coated by special adhesive.
Ceramic composite combination layer 2 is formed by stacking by multi-layer ceramics compact layer, and Ceramic Composite lamella adopts ceramic fiber fabric to strengthen ceramic matrix preparation, and the fortifying fibre in ceramic fiber fabric used selects boron carbide fibre; Select boron carbide as ceramic matrix material.At the convex layer of the anti-back of the body of above-mentioned metal and the anti-riot layer of special fibre bulletproof composite in conjunction with on basis, at the reserved micropore in the shellproof anti-riot layer surface of fiber composite, the loop bonding of T800 carbon fiber will be adopted between Ceramic Composite lamella, adopt bonding mode that ceramic tablets is formed entirety after loop bonding, sticked in shellproof anti-riot layer 3 surface of organic fiber by bonding mode.
T800 carbon fiber is adopted to prepare carbon fiber surface rigid layer 1, first be the carbon fiber two-dimensional fabric of 5mm at Ceramic Composite sheet surfaces paving seam thickness, the thermosetting resin that with the addition of chopped carbon fiber filler is adopted to carry out vacuum introducing technology afterwards, vacuum-0.8MPa, vacuum import after be cured at 72 DEG C, hardening time 3h.At the carbon fibre composite rigid layer that long (short) silk of Ceramic Composite sheet surfaces processing thermosetting resin-based has both, formation has " carbon fine rigid layer/Ceramic Composite lamella/convex layer of the anti-back of the body of organic fiber composite bed/metal " four layers of shellproof anti-riot armor structure of combined type, effectively can be equipped with the armored vehicle of anti-riot C level.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but the restriction not to invention protection domain; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still in protection scope of the present invention.
Claims (10)
1. the shellproof anti-riot plate of composite construction, it is characterized in that: comprise the carbon fiber surface rigid layer, Ceramic Composite sheet combination layer, the shellproof anti-riot layer of organic fiber and the metal backing that superpose combination successively, wherein, carbon fiber surface rigid layer comprises modified heat convertible resin matrix and carbon fibre fabric reinforcement, is filled with chopped carbon fiber filler in modified heat convertible resin; Ceramic Composite sheet combination layer comprises some layers of Ceramic Composite lamella, and the shellproof anti-riot layer of organic fiber is prepared from by organic fiber UD material.
2. shellproof anti-riot plate according to claim 1, it is characterized in that: the thickness of described metal backing is 2-20mm, and on the surface that the shellproof anti-riot layer of metal backing and organic fiber contacts, process the burr structure being used for carrying out mechanical engagement with the shellproof anti-riot layer of organic fiber.
3. shellproof anti-riot plate according to claim 1, is characterized in that: the surface roughening process of metal backing, scribbles the adhesive phase for being combined by shellproof to metal backing and organic fiber anti-riot layer between metal backing with the shellproof anti-riot layer of organic fiber.
4. shellproof anti-riot plate according to claim 2, is characterized in that: every layer of Ceramic Composite lamella includes ceramic fiber fabric fortifying fibre and ceramic matrix; Fortifying fibre in described ceramic fiber fabric is one or more in silicon carbide fibre, alumina fibre, boron nitride fiber or boron carbide fibre, and the material of described ceramic matrix is carborundum, aluminium oxide, boron nitride or boron carbide.
5. shellproof anti-riot plate according to claim 1, it is characterized in that: all reserved micropore on every layer of Ceramic Composite lamella, between adjacent ceramic compact layer by reserved micropore loop bonding together, the fiber for loop bonding is one or more in carbon fiber, superhigh molecular weight polyethylene fibers or aramid fiber.
6. shellproof anti-riot plate according to claim 4, is characterized in that: be provided with the riveted structure for both being combined between on composite sheet combination layer and the shellproof anti-riot layer of organic fiber.
7. the preparation method of the shellproof anti-riot plate of composite construction according to claim 1, is characterized in that: comprise the steps:
1) pretreatment of metal backing
Roughening process is carried out on sheet metal surface, and in the Surface Machining burr structure of sheet metal roughening process, the sheet metal after process is worked into setting shape, obtained metal backing;
2) in step 1) in the surface coating adhesive of machined burrs structure of obtained metal backing, shellproof for organic fiber anti-riot layer is fixed on metal backing in the mode of drop stamping, the shellproof anti-riot layer of organic fiber remains for the micropore carrying out mechanical engagement with the burr structure of metal backing in advance;
3) preparation of Ceramic Composite sheet combination layer
Preparation Ceramic Composite lamella, every layer of Ceramic Composite lamella remains for the micropore of loop bonding in advance;
4) multi-layer ceramics compact layer is carried out loop bonding, obtain Ceramic Composite sheet combination layer; By the reserved micropore on Ceramic Composite sheet combination layer and the shellproof anti-riot layer of organic fiber, increase fiber is carried out longitudinal direction and to puncture riveted joint;
5) preparation of carbon fiber surface rigid layer
First lay the carbon fiber two-dimensional fabric of setting thickness on Ceramic Composite sheet combination layer surface, then the modified heat convertible resin vacuum that with the addition of chopped carbon fiber filler is imported carbon fiber two-dimensional fabric, solidification, to obtain final product.
8. preparation method according to claim 7, it is characterized in that: step 2) in, the concrete steps of drop stamping process are, first by metal backing and the preheating simultaneously of the shellproof anti-riot layer of organic fiber, the time of preheating is 5-20min, and preheat temperature is 70-90 DEG C; After preheating completes, by metal backing punching press to the surface of the shellproof anti-riot layer of organic fiber, drop stamping pressure is 5-25MPa, and the drop stamping time is 5-20min; After punching press completes, workpiece is cooled to less than 70 DEG C in 5-10min.
9. preparation method according to claim 7, is characterized in that: step 5) in, the vacuum that vacuum imports is-0.8 ~-0.2MPa, and the temperature of solidification is 40-80 DEG C, and the time of solidification is 2-5h; Described chopped carbon fiber filler accounts for the 5-25% of thermosetting resin content.
10. the arbitrary described shellproof anti-riot plate of composite construction of claim 2-7 is preparing the application in armour plate.
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