CN104930917A - Multi-curved-surface composite ceramic bullet-proof plugboard and preparation technology thereof - Google Patents
Multi-curved-surface composite ceramic bullet-proof plugboard and preparation technology thereof Download PDFInfo
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- CN104930917A CN104930917A CN201510261062.2A CN201510261062A CN104930917A CN 104930917 A CN104930917 A CN 104930917A CN 201510261062 A CN201510261062 A CN 201510261062A CN 104930917 A CN104930917 A CN 104930917A
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Abstract
The invention discloses a multi-curved-surface composite ceramic bullet-proof plugboard and a preparation technology thereof. The bullet-proof plugboard comprises an inner layer and an outer coating wrapping the inner layer, wherein the inner layer comprises an anti-collision layer, an anti-cracking layer, a ceramic layer, a transition layer, a supporting layer and a buffering layer which are sequentially arranged from outside to inside, and a reinforcing layer which is arranged between the transition layer and the supporting layer. The bullet-proof plugboard adopts new structural design; the anti-collision function of the bullet-proof plugboard is added, and besides, the overall bullet-proof property intensity of the bullet-proof plugboard is also improved.
Description
Technical field
The army of the present invention relates to (police) uses equipment technology field, is specifically related to a kind of many curve ceramics composite bulletproof flashboard and preparation technology thereof.
Background technology
Modern war by traditional extensive, high strength battlefield attacking and defending operation by the low-intensity such as increasing peacekeeping, anti-terrorism and special operations, small-scale military operation replace.In these military operations, the risk that soldier is attacked by infantry's small arms projectile and fragmentation increases day by day, and its danger is even higher than the military operation of extensive battlefield sometimes.In this case, individual soldier's ballistic protection equipment will play protection soldier life, maintenance army's morale and fighting capacity, ensure to take action the vital effect such as successfully.
At present, conventional weapon development rapidly, progressively improves the threat level of individual soldier, for improving shellproof survival ability and the battlefield locomotivity of individual soldier, must develop the ballistic composite system meeting ergonomics of efficient and light weight.
At present, difform for small pieces potsherd is directly bonded on fabric laminate and is composited by the many employings of complex method of domestic and international Ceramic Composite bulletproof flashboards, or monolithic ceramic sheet and fabric laminate are directly bondd by adhesive and to form and curved surface is single single-curved surface composite inserting.But regardless of the composite bulletproof flashboard of which kind of type above-mentioned, crash resistance energy extreme difference, pottery is easily cracked.And in individual combat process, because the complexity and fighting of landform needs, the event such as often to fall down.Through test, existing bulletproof flashboards carry out anti-fall experiment after, stop that the ability of bullet largely declines, even there is bullet and run through the danger of bulletproof flashboards and the ability that rounds resists cannot be resisted.
Summary of the invention
In order to solve an above-mentioned difficult problem, the invention provides a kind of many curve ceramics composite bulletproof flashboard and preparation technology thereof, by new structural design, add the anti-of bulletproof flashboards and fall function, enhance the shellproof and anti-multiple bullet of bulletproof flashboards ability and according to ergonomic designs's curved surface of bulletproof flashboards.
In order to achieve the above object, the present invention is by the following technical solutions:
A kind of many curve ceramics composite bulletproof flashboard, comprise internal layer and be coated on the surrounding layer outside described internal layer, described internal layer comprises the shatter-resistant layer, crack arrest layer, ceramic layer, transition zone, supporting layer and the cushion that set gradually from outside to inside.
Above-mentioned one many curve ceramics composite bulletproof flashboard, wherein, also comprise enhancement Layer, described enhancement Layer is arranged between described transition zone and described supporting layer.
Above-mentioned one many curve ceramics composite bulletproof flashboard, wherein, described plate surrounding is inwardly in inclined sliding evagination arc-shaped.
Above-mentioned one many curve ceramics composite bulletproof flashboard, wherein, described outsourcing layer is for entirely to wash oxford or nylon.
Above-mentioned one many curve ceramics composite bulletproof flashboard, wherein, described shatter-resistant layer comprises the resistance to compression fender be arranged in the middle of described shatter-resistant layer and the inserts be arranged at outside described resistance to compression fender.
Above-mentioned one many curve ceramics composite bulletproof flashboard, wherein, described resistance to compression fender is the polyethylene foamed material of the polyurathamc of perforate or the expanded polystyrene (EPS) of perforate or perforate.
Above-mentioned one many curve ceramics composite bulletproof flashboard, wherein, described inserts is EVA or PP material.
Above-mentioned one many curve ceramics composite bulletproof flashboard, wherein, described enhancement Layer is Aramid Prepreg or carbon fiber prepreg.
A preparation technology for many curve ceramics composite bulletproof flashboard, comprise above-mentioned many curve ceramics composite bulletproof flashboard, wherein, step is as follows,
Step one, shatter-resistant layer, crack arrest layer, ceramic layer, transition zone, enhancement Layer, supporting layer and cushion to be bondd by adhesive, form internal layer;
Step 2, by internal layer by vacuum forming and curing molding at normal temperatures;
Step 3, the internal layer after curing molding is polished, deburring, and at internal layer outer cladding one deck surrounding layer.
The preparation technology of above-mentioned a kind of many curve ceramics composite bulletproof flashboard, wherein, described adhesive is made up of thermosetting resin and curing agent, and the mass percentage shared by described curing agent is 0 ~ 50%.
Adopt above technical scheme, following beneficial effect can be reached:
1, the present invention arranges shatter-resistant layer, the crash resistance energy of bulletproof flashboards can be improved to a great extent, ensure bulletproof flashboards user fall down make it be squeezed after not cracked, and still can stop bullet, solve existing bulletproof flashboards easily cracked after being squeezed, bullet easily runs through the problem of bulletproof flashboards;
2, between transition zone and supporting layer, enhancement Layer is provided with, ballistic performance intensity and the rigid support of bulletproof flashboards can be improved to a great extent, prevent after bullet shooting, bulletproof flashboards is cracked, and when anti-rounds, there is the danger that bullet runs through cracked ceramic layer, thus the overall ability improving bulletproof flashboards and stop bullet, improve the anti-repeatedly striking capabilities of bulletproof flashboards;
3, bulletproof flashboards surrounding adopts inwardly in inclined sliding evagination arc-shaped, makes it meet Human Physiology curve, make its more easily and human body need the position protected to fit.
Accompanying drawing explanation
Fig. 1 is many curve ceramics composite bulletproof flashboard structural representation of the present invention;
Fig. 2 is many curve ceramics composite bulletproof flashboard curved-surface structure schematic diagram of the present invention;
Fig. 3 is plate curved-surface structure schematic diagram of the present invention;
Fig. 4 is shatter-resistant Rotating fields schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
As shown in Figure 1, a kind of many curve ceramics composite bulletproof flashboard, comprises internal layer and is coated on the surrounding layer 1 outside internal layer, and internal layer comprises the shatter-resistant layer 2, crack arrest layer 3, ceramic layer 4, transition zone 5, supporting layer 7 and the cushion 8 that set gradually from outside to inside.
In the embodiment of the present invention, at the outermost layer of internal layer, shatter-resistant layer 2 is set, the crash resistance energy of bulletproof flashboards can be improved to a great extent, ensure bulletproof flashboards user fall down make it be squeezed after not cracked, and still can stop bullet, solve existing bulletproof flashboards easily cracked after being squeezed, bullet easily runs through the problem of bulletproof flashboards.
Above-mentioned one many curve ceramics composite bulletproof flashboard, wherein, also comprise enhancement Layer 6, enhancement Layer 6 is arranged between transition zone 5 and supporting layer 7.
In preferred embodiment of the present invention, set up enhancement Layer 6, the intensity of ceramic layer 4 can be improved, prevent after bullet shooting, ceramic layer 4 is cracked, in upper bullet shooting once, there is the danger that bullet runs through cracked ceramic layer 4, thus the overall ability improving bulletproof flashboards and stop bullet.
In preferred embodiment of the present invention; as shown in Figure 3; plate surrounding is inwardly in inclined sliding evagination arc-shaped; it is made to meet organization of human body; easier and human body needs the position protected to fit, concrete, as shown in Figure 2; plate splits H, G, F, D tetra-sections from top to bottom respectively, and wherein the cross section radian of each section is not identical.For a most preferred embodiment, plate height is 300mm, be H section at 34mm place from top to bottom, H section down 50mm place is G section, and G section down 75mm place is F section, F section down 86mm place is D section, wherein, H section cross section radian is R858, G section cross section radian is R521, F section cross section radian is R380, D section cross section radian is R303.
Above-mentioned one many curve ceramics composite bulletproof flashboard, specifically as shown in Figure 4, wherein, shatter-resistant layer 2 comprises the resistance to compression fender 21 be arranged in the middle of shatter-resistant layer 2 and the inserts 22 be arranged at outside resistance to compression fender 21, concrete, resistance to compression fender 21 is the polyethylene foamed of the polyurathamc of perforate or the expanded polystyrene (EPS) of perforate or perforate, and density is 0.3 ~ 0.35g/m
3thickness is 5 ~ 7mm, tensile strength 689kPa, compression deformation rate < 10%, tearing strength is 1.8kN/m, and inserts 22 is the materials such as EVA or PP, density is 0.1 ~ 0.15g/m3, tensile strength 250kPa, compression deformation rate < 6%, tearing strength is 1.8kN/m.
In preferred embodiment of the present invention, polyurathamc or expanded polystyrene (EPS) or polyethylene foamed material have high, the good heat resistance of recovery rate, chemicals-resistant, oil resistivity and thermal insulation after very excellent antidetonation energy absorption performance, deformation, in addition, its quality is light, significantly can alleviate Item Weight, but due to its cost high, therefore, cannot large area use, so only use at the center of shatter-resistant layer 2, be 0.0042m in an area
2ellipse, thickness is that 6mm is best, and is just in time the most protruding parts of bulletproof flashboards herein, the position that the dynamics that is namely squeezed is maximum.
In preferred embodiment of the present invention, surrounding layer 1 material is for entirely to wash oxford or nylon etc., and the material face density of surrounding layer 1 is 150 ~ 250g/m
2; Crack arrest layer 3 and transition zone 5 adopt 200 ~ 400g/m
2aramid fiber woven fabric or high-modulus polyethylene fiber fabric; Ceramic layer 4 adopts the whole plate of many curved surfaces, and its material can be aluminium oxide, carborundum, boron carbide etc., and concrete thickness 9 ~ 10mm is good, and enhancement Layer 6 is two-layer surface density 1 ~ 1.4kg/m
2aramid Prepreg or carbon fiber prepreg, supporting layer 7 adopts surface density 7 ~ 10kg/m
2polyethylene fiber composites laminate or aramid fiber composite material laminate, laminate be conventional molding procedures obtain; The material of cushion 8 is polypropylene, and surface density is 0.2 ~ 0.25g/m
3, thickness is 4 ~ 6mm, 5mm is optimum thickness, tensile strength 600kPa, compression deformation rate < 10%, and tearing strength is 1.8kN/m.
A kind of preparation technology of many curve ceramics composite bulletproof flashboard, comprise above-mentioned many curve ceramics composite bulletproof flashboard, comprise the steps, step one, shatter-resistant layer 2, crack arrest layer 3, ceramic layer 4, transition zone 5, enhancement Layer 6, supporting layer 7 and cushion 8 to be bondd by adhesive, form internal layer; Step 2, by internal layer by vacuum forming and curing molding at normal temperatures; Step 3, the internal layer after curing molding is polished, deburring, and at internal layer outer cladding one deck surrounding layer 1.
Preferably, vacuum forming adopts conventional method, and pressure is-0.15 ~-0.3MPa, and curing molding method is similarly conventional method, and solidification temperature is normal temperature, and hardening time is 5 ~ 10 hours, preferably 6 ~ 8 hours.
Preferably, adhesive is made up of thermosetting resin and curing agent, and the mass percentage shared by curing agent is 20 ~ 50%, and preferably 30 ~ 40%; Wherein, thermosetting resin can be one or more combinations wherein of epoxy resin, phenolic resins, unsaturated-resin, polyimides; Curing agent can be one or more combinations wherein of vinyl triamine, triethylene tetramine, dipropylenetriamine, diethyl amino propylamine, trimethylhexamethylenediamine, diethylamine.
Be described further below in conjunction with the contrast experiment with the existing bulletproof flashboards in market.
Contrast experiment one
1. according to the present invention by the size (250 × 300mm) of many surface charts by surface density 400g/m
2aramid fiber woven fabric cut respectively as crack arrest layer 3 and transition zone 5, epoxy resin and curing agent are stirred according to the ratio of 5:1, are made into adhesive, successively by crack arrest layer 3, silicon carbide ceramics, transition zone 5, enhancement Layer 6, supporting layer 7.Surface applies adhesive respectively and bonds in order, by vacuum forming technological forming, after carrying out deburring, polishing after forming and hardening, adopt adhesive to bond on shatter-resistant layer 2 and cushion 8, finally can obtain the made many curve ceramics composite bulletproof flashboard of the present invention at outermost layer covered with nylon cloth.Silicon carbide ceramics is many curved surfaces silicon carbide reaction-sintered, and surface density is 27kg/m
2; Enhancement Layer 6 is the many curved surfaces Aramid Prepreg 2 layers suppressed in advance, total areal density 1kg/m
2; Supporting layer 7 is many curved surfaces high-strength high-modulus polyethylene laminate, and surface density is 10kg/m
2.The total surface density of many curve ceramics composite bulletproof flashboard of indication of the present invention is adopted to be 39kg/m
2.
2. adopt same technique, just do not add shatter-resistant layer 2, enhancement Layer 6 and cushion 8, produce surface density 39kg/m equally
2the single-curved surface bulletproof flashboards of market routine.
Carry out test comparison to these two kinds of products respectively, wherein, test condition is the requirement that conventional ballistic plate test data adopts NIJ0101.06 standard testing three rifle, and bullet is: M2AP bullet; Shatter-resistant test data adopts the adjustment code of NIJ0101.06 standard chapter 6 hard ballistic plate to test, and test the requirement of a rifle, bullet is: M2AP bullet.
Table 1 carborundum/polyethylene laminator bulletproof flashboards live shell test data
Above-mentioned test data shows, bulletproof flashboards of the present invention can provide stable protective capacities, and the Performance Ratio conventional products of anti-multiple bullet obviously strengthens; Resist ability of dropping strong, after dropping, ballistic performance is undamped; Bullet back convex less, namely less to the blunt wound of human body.
Contrast experiment two
Two kinds of products in same employing contrast experiment one, many curve ceramics composite bulletproof flashboard of indication of the present invention and the single-curved surface bulletproof flashboards of market routine, total surface density is 39kg/m
2.Carry out test comparison to these two kinds of products respectively, wherein, test condition is that conventional ballistic plate test employing 53 formula 7.62mm armor-piercing incendiary effectively can be resisted the continuous fire of 5 rifles and carry out dropping experimental test one rifle.
Table 2 carborundum/polyethylene laminator bulletproof flashboards live shell test data
Above-mentioned test data shows, bulletproof flashboards of the present invention still can play good bulletproof function, and can resist repeatedly shooting ability and not penetrate after being subject to the extruding of shatter-resistant formation in use.
The foregoing is only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection domain is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations description of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.
Claims (10)
1. the composite bulletproof flashboard of curve ceramic more than, is characterized in that: comprise internal layer and be coated on the surrounding layer outside described internal layer, and described internal layer comprises the shatter-resistant layer, crack arrest layer, ceramic layer, transition zone, supporting layer and the cushion that set gradually from outside to inside.
2. one many curve ceramics composite bulletproof flashboard according to claim 1, it is characterized in that: also comprise enhancement Layer, described enhancement Layer is arranged between described transition zone and described supporting layer.
3. one many curve ceramics composite bulletproof flashboard according to claim 1, is characterized in that: described plate surrounding is inwardly in inclined sliding evagination arc-shaped.
4. one many curve ceramics composite bulletproof flashboard according to claim 1, is characterized in that: described outsourcing layer is for entirely to wash oxford or nylon.
5. one many curve ceramics composite bulletproof flashboard according to claim 1, is characterized in that: described shatter-resistant layer comprises the resistance to compression fender be arranged in the middle of described shatter-resistant layer and the inserts be arranged at outside described resistance to compression fender.
6. one many curve ceramics composite bulletproof flashboard according to claim 5, is characterized in that: described resistance to compression fender is the polyethylene foamed of the polyurathamc of perforate or the expanded polystyrene (EPS) of perforate or perforate.
7. one many curve ceramics composite bulletproof flashboard according to claim 5, is characterized in that: described inserts is EVA or PP material.
8. one many curve ceramics composite bulletproof flashboard according to claim 2, is characterized in that: described enhancement Layer is Aramid Prepreg or carbon fiber prepreg.
9. a preparation technology for the composite bulletproof flashboard of curve ceramic more than, comprises the many curve ceramics composite bulletproof flashboard described in any one of claim 1 to 8, it is characterized in that: comprise the steps,
Step one, shatter-resistant layer, crack arrest layer, ceramic layer, transition zone, enhancement Layer, supporting layer and cushion to be bondd by adhesive, form internal layer;
Step 2, by internal layer by vacuum forming and curing molding at normal temperatures;
Step 3, the internal layer after curing molding is polished, deburring, and at internal layer outer cladding one deck surrounding layer.
10. the preparation technology of a kind of many curve ceramics composite bulletproof flashboard according to claim 9, is characterized in that: described adhesive is made up of thermosetting resin and curing agent, and the mass percentage shared by described curing agent is 0 ~ 50%.
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| CN108302998A (en) * | 2018-01-16 | 2018-07-20 | 中国工程物理研究院流体物理研究所 | Protective armor structure and its design method in a kind of explosive container |
| CN108534606A (en) * | 2018-05-09 | 2018-09-14 | 湖北守能真空科技有限公司 | A kind of vacuum composite bulletproof flashboard and preparation method thereof |
| CN109373819A (en) * | 2018-12-06 | 2019-02-22 | 长沙盾甲新材料科技有限公司 | High-strength polyurethane/fiber/ceramic structure armour |
| CN110006291A (en) * | 2018-08-29 | 2019-07-12 | 施柏山 | High impact-resistant basalt bullet proof composite plating |
| CN110595283A (en) * | 2019-10-17 | 2019-12-20 | 上海联博安防器材股份有限公司 | Production process of bulletproof flashboard |
| CN112254581A (en) * | 2020-09-21 | 2021-01-22 | 际华集团股份有限公司系统工程中心 | Bulletproof flashboard with heat absorption layer and manufacturing method thereof |
| CN112254580A (en) * | 2020-09-21 | 2021-01-22 | 际华集团股份有限公司系统工程中心 | Bulletproof flashboard with edge-covering structure and manufacturing method thereof |
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| CN112254580A (en) * | 2020-09-21 | 2021-01-22 | 际华集团股份有限公司系统工程中心 | Bulletproof flashboard with edge-covering structure and manufacturing method thereof |
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