CN105865267A - A composite bulletproof plate embedded with special-shaped ceramic sheets - Google Patents
A composite bulletproof plate embedded with special-shaped ceramic sheets Download PDFInfo
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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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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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
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
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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
- B32B9/005—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
- B32B9/007—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 comprising carbon, e.g. graphite, composite carbon
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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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- 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
- F41H7/00—Armoured or armed vehicles
- F41H7/02—Land vehicles with enclosing armour, e.g. tanks
- F41H7/04—Armour construction
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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
- B32B2262/101—Glass 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
- 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
- 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
- B32B2571/00—Protective equipment
- B32B2571/02—Protective equipment defensive, e.g. armour plates or anti-ballistic clothing
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- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
Description
技术领域technical field
本发明涉及一种复合防弹板，属于装甲防护领域。The invention relates to a composite bulletproof plate, which belongs to the field of armor protection.
背景技术Background technique
装甲防护技术水平在很大程度上决定了武器装备系统的生存能力，任何一部现代化的武装备都无法离开装甲防护。性能优良的装甲防护系统能够有效保障装甲车、运钞车、防暴车、防弹汽车等主体内的人员生命财产和设备安全。The level of armor protection technology largely determines the survivability of weaponry systems, and any modern weaponry cannot be separated from armor protection. The armor protection system with excellent performance can effectively guarantee the safety of personnel, property and equipment in armored vehicles, cash transport vehicles, anti-riot vehicles, and bulletproof vehicles.
防弹装甲是当今防护装备及系统的重要组成部分，其抗弹性能已日益成为装甲防护领域关注的要点。抗弹性能是防弹装甲的关键技术指标，具体包括抗侵彻能力、抗冲击能力和抗崩落能力等，上述性能与防弹装甲的材料和结构组成密切相关。Bulletproof armor is an important part of today's protective equipment and systems, and its bulletproof performance has increasingly become the focus of attention in the field of armor protection. Bulletproof performance is a key technical indicator of bulletproof armor, specifically including penetration resistance, impact resistance, and avalanche resistance. The above performance is closely related to the material and structural composition of bulletproof armor.
由陶瓷和金属构成的复合装甲兼具两种材料的特性，因而抗弹性能优异。弹靶作用过程中，陶瓷、金属发挥各自的性能优势和不同的抗弹作用。陶瓷的高硬度可使弹丸受挫，金属背板则始终起到约束、支撑陶瓷块的作用，同时通过塑性变形吸收陶瓷和弹丸碎片的剩余能量，因此陶瓷的高硬度和金属的强韧性在抗弹过程中的不同阶段分别起着不同的重要作用，只有将二者充分发挥、合理匹配才能最大程度发挥装甲系统的抗弹能力。Composite armor made of ceramic and metal combines the properties of both materials, resulting in excellent ballistic resistance. In the process of projectile target action, ceramics and metals exert their respective performance advantages and different anti-ballistic effects. The high hardness of ceramics can frustrate projectiles, while the metal back plate always plays a role in restraining and supporting ceramic blocks, and at the same time absorbs the remaining energy of ceramics and projectile fragments through plastic deformation, so the high hardness of ceramics and the strength and toughness of metal play a role Different stages in the process play different important roles. Only when the two are fully utilized and reasonably matched can the anti-ballistic capability of the armor system be maximized.
目前，陶瓷和金属复合装甲多为传统的层叠式复合结构，通常以硬质陶瓷块拼装粘结在一起作为面板、以塑性良好的金属或纤维复合材料做背板，面背板间用胶黏剂粘结。此结构的层与层之间靠胶黏剂粘结在一起，由于其粘结强度有限，当第一发子弹侵彻防弹板时，该结构虽具有优良的抗弹能力，但是弹丸巨大的动能破坏了复合防弹板受打击区域粘结层的结构稳定性，导致层与层之间发生分离甚至崩落，这一现象的出现严重影响了复合防弹板后续抗弹性能的发挥，因而导致复合防弹板抗多发弹打击能力十分薄弱。At present, ceramic and metal composite armor is mostly a traditional laminated composite structure. Usually, hard ceramic blocks are assembled and bonded together as a face plate, and a metal or fiber composite material with good plasticity is used as a back plate. agent bonding. The layers of this structure are bonded together by adhesives. Due to its limited bonding strength, when the first bullet penetrates the bulletproof plate, although the structure has excellent bullet resistance, the huge kinetic energy of the projectile It destroys the structural stability of the bonding layer in the hit area of the composite bulletproof plate, leading to separation or even collapse between the layers. This phenomenon seriously affects the subsequent ballistic performance of the composite bulletproof plate, thus causing The ability to resist multiple bullets is very weak.
究其原因，在以上陶瓷面板+金属背板复合装甲系统中，由于陶瓷本身的脆性以及波阻抗不同的两种材料界面处反射波的破坏作用，导致装甲抗多发弹能力较差。此外，在抵抗子弹侵彻时，陶瓷面板在子弹高速冲击作用下会发生一定程度的膨胀从而损伤周围大片区域的陶瓷块，而且陶瓷块间通过胶黏剂粘结成一体也会使得弹丸的能量传递至周围大片区域陶瓷块并使其受到损伤，从而导致抗多发弹打击能力薄弱。The reason is that in the above ceramic panel + metal back plate composite armor system, due to the brittleness of the ceramic itself and the destructive effect of the reflected wave at the interface of the two materials with different wave impedances, the armor's ability to resist multiple bullets is poor. In addition, when resisting bullet penetration, the ceramic panel will expand to a certain extent under the high-speed impact of the bullet, thereby damaging the ceramic blocks in a large area around it, and the bonding of the ceramic blocks through adhesive will also reduce the energy of the projectile. Transmits to the surrounding large area of ceramic blocks and damages them, resulting in weak resistance to multiple rounds.
发明内容Contents of the invention
有鉴于此，本发明的目的在于提供一种嵌有异形陶瓷片的复合防弹板；所述复合防弹板具有优良的抗冲击性能，解决了弹丸冲击使面背板粘结层失稳及陶瓷面板大面积损伤的问题，具有较强的抗多发弹打击能力。In view of this, the object of the present invention is to provide a composite bullet-proof plate embedded with special-shaped ceramic sheets; the composite bullet-proof plate has excellent impact resistance, which solves the problem of the instability of the bonding layer of the front and back plates caused by the impact of projectiles and the instability of the ceramic panel. The problem of large area damage has a strong ability to resist multiple bullets.
本发明的目的由以下技术方案实现：The purpose of the present invention is achieved by the following technical solutions:
一种嵌有异形陶瓷片的复合防弹板，所述复合防弹板由金属板、胶膜层、陶瓷层和多层胶膜/纤维复合层依次叠层后热压形成；其中，所述陶瓷层由异形陶瓷片拼装而成；所述多层胶膜/纤维复合层由胶膜和纤维交替叠层得到，且相邻的两层纤维之间的纤维方向互相垂直。A composite bullet-proof plate embedded with special-shaped ceramic sheets, the composite bullet-proof plate is formed by sequentially laminating a metal plate, an adhesive film layer, a ceramic layer and a multi-layer adhesive film/fiber composite layer and then hot pressing; wherein the ceramic layer It is assembled from special-shaped ceramic sheets; the multi-layer adhesive film/fiber composite layer is obtained by alternately stacking adhesive films and fibers, and the fiber directions between the adjacent two layers of fibers are perpendicular to each other.
进一步的，沿所述异形陶瓷片的边缘设有凸台；所述金属板的一侧表面上加工有与异形陶瓷片上的凸台相对应的凹槽；Further, a boss is provided along the edge of the special-shaped ceramic sheet; a groove corresponding to the boss on the special-shaped ceramic sheet is processed on one side surface of the metal plate;
所述异形陶瓷片通过其边缘的凸台与金属板上的凹槽扣合，且相邻异形陶瓷片无缝拼接。The irregular-shaped ceramic sheets are buckled with the grooves on the metal plate through the bosses on the edges, and the adjacent irregular-shaped ceramic sheets are seamlessly spliced.
进一步的，所述多层胶膜/纤维复合层中的纤维为玻璃纤维或碳纤维。Further, the fibers in the multi-layer adhesive film/fiber composite layer are glass fibers or carbon fibers.
进一步的，所述胶膜层和多层胶膜/纤维复合层中的胶膜各自独立采用热固性或热塑性胶黏剂制备。Further, the adhesive film layer and the adhesive films in the multi-layer adhesive film/fiber composite layer are independently prepared by thermosetting or thermoplastic adhesives.
进一步的，所述热固性胶黏剂为环氧树脂胶黏剂，以热塑性树脂或合成橡胶改性的环氧树脂胶黏剂，和聚氨酯胶黏剂中的一种；所述热塑性胶黏剂为聚醋酸乙烯胶黏剂、聚醋酸乙烯共聚物胶黏剂和聚乙烯醇缩醛胶黏剂中的一种。Further, the thermosetting adhesive is one of epoxy resin adhesive, epoxy resin adhesive modified with thermoplastic resin or synthetic rubber, and polyurethane adhesive; the thermoplastic adhesive is One of polyvinyl acetate adhesives, polyvinyl acetate copolymer adhesives and polyvinyl acetal adhesives.
进一步的，所述异形陶瓷片的材质为抗弹陶瓷，优选Al2O3、SiC、B4C、BN和Si3N4中的一种。Further, the material of the shaped ceramic sheet is ballistic ceramic, preferably one of Al 2 O 3 , SiC, B 4 C, BN and Si 3 N 4 .
所述异形陶瓷片为任意形状，如六边形、五边形或正方形。The special-shaped ceramic sheet is in any shape, such as hexagon, pentagon or square.
进一步的，所述异形陶瓷片上的凸台为单层凸台或双层凸台。Further, the bosses on the shaped ceramic sheet are single-layer bosses or double-layer bosses.
有益效果Beneficial effect
(1)本发明所述复合防弹板可抗多发弹打击能力较强，原因为：(1) The composite bullet-proof plate of the present invention can resist multiple shells and has a strong ability to strike, because:
首先，采用了异形陶瓷片边缘的凸台和金属板上的凹槽相扣合的结构设计，陶瓷片在抵抗子弹侵彻时，所述凸台受到四周金属槽的约束，在高速冲击时发生体积膨胀的现象受到抑制，动态硬度和动态强度较高，因而发挥了较好的抗弹性能；First of all, it adopts the structural design that the boss on the edge of the special-shaped ceramic sheet and the groove on the metal plate are engaged. The phenomenon of volume expansion is suppressed, and the dynamic hardness and dynamic strength are high, so it has a good anti-ballistic performance;
其次，各异形陶瓷片为拼接连接，各自的独立性增强，单个异形陶瓷片在抵抗子弹侵彻时对周边陶瓷块的影响和破坏程度较小；Secondly, the various shaped ceramic pieces are spliced and connected, and their independence is enhanced. A single shaped ceramic piece has less impact and damage to the surrounding ceramic blocks when resisting bullet penetration;
最后，金属板上设有互相联接的凹槽可将整块金属板切分为若干个独立单元，胶膜层的独立性也得以提高，因而子弹对异形陶瓷片和金属板间胶膜层的整体破坏程度较小，金属背板受到的整体损伤也相对较小。Finally, the metal plate is provided with interconnected grooves, which can divide the whole metal plate into several independent units, and the independence of the adhesive film layer is also improved. The overall degree of damage is small, and the overall damage to the metal backplane is also relatively small.
(2)本发明所述复合防弹板中异形陶瓷片的单层凸台设计一方面起到约束陶瓷，增强各陶瓷块间独立性的作用，另一方面可以增强拼缝区的的抗弹性能；双层凸台设计在单层凸台的基础上进一步增强了拼缝处的抗弹性能，从而能够确保复合防弹板的抗弹性能。(2) The single-layer boss design of the special-shaped ceramic sheet in the composite bullet-proof plate of the present invention plays the role of restraining ceramics on the one hand and enhancing the independence between each ceramic block, and can enhance the anti-ballistic performance of the seam area on the other hand ; The double-layer boss design further enhances the anti-ballistic performance of the joints on the basis of the single-layer boss, so as to ensure the anti-ballistic performance of the composite bulletproof plate.
(3)本发明所述复合防弹板通过不同材料的层间及层内复合形成复合防弹结构以发挥各种材料的优点，利用多层纤维和胶膜混合压制成一体的正面效应和层合板弹道冲击下的厚度效应，获得优良的防弹性能，该复合结构设计和异形结构设计可减轻整板重量，同时降低生产成本。(3) The composite bulletproof plate of the present invention forms a composite bulletproof structure through interlayer and intralayer compounding of different materials to give full play to the advantages of various materials, and utilizes the positive effect and laminate ballistic of multilayer fibers and adhesive films to be mixed and pressed into one Thickness effect under impact can obtain excellent anti-ballistic performance. The composite structure design and special-shaped structure design can reduce the weight of the whole board and reduce the production cost at the same time.
附图说明Description of drawings
图1为本发明所述复合防弹板的结构示意图；Fig. 1 is the structural representation of composite ballistic board of the present invention;
图2为实施例1中所述复合防弹板中金属板、胶膜层和陶瓷层部分的结构示意图；Fig. 2 is the structural schematic diagram of metal plate, adhesive film layer and ceramic layer part in the composite ballistic plate described in embodiment 1;
图3为实施例1中所述金属板的空间三维示意图；Fig. 3 is the three-dimensional schematic diagram of the space of the metal plate described in embodiment 1;
图4为实施例1中所述异形陶瓷片的空间三维示意图；Fig. 4 is the three-dimensional schematic diagram of the space of the special-shaped ceramic sheet described in Example 1;
图5为实施例2中所述异形陶瓷片的空间三维示意图；5 is a three-dimensional schematic diagram of the space of the special-shaped ceramic sheet described in Example 2;
其中，1-金属板，2-胶膜层，3-异形陶瓷片，4-多层胶膜/纤维复合层。Among them, 1-metal plate, 2-adhesive film layer, 3-special-shaped ceramic sheet, 4-multi-layer adhesive film/fiber composite layer.
具体实施方式detailed description
下面结合附图和具体实施例来详述本发明，但不限于此。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but is not limited thereto.
实施例1Example 1
如图1和图2所示，一种嵌有异形陶瓷片的复合防弹板，所述复合防弹板由金属板1、胶膜层2、陶瓷层和多层胶膜/纤维复合层4依次叠层后热压形成；其中，所述陶瓷层由异形陶瓷片3拼装而成；所述多层胶膜/纤维复合层4由两层胶膜和两层玻璃纤维纤维交替叠层得到，且相邻的两层纤维之间的纤维方向互相垂直；As shown in Figures 1 and 2, a composite bullet-proof plate embedded with special-shaped ceramic sheets, the composite bullet-proof plate is composed of a metal plate 1, an adhesive film layer 2, a ceramic layer and a multi-layer adhesive film/fiber composite layer 4. Formed by hot pressing after layering; wherein, the ceramic layer is assembled from special-shaped ceramic sheets 3; the multi-layer adhesive film/fiber composite layer 4 is obtained by alternate lamination of two layers of adhesive film and two layers of glass fiber fibers, and is relatively The fiber directions between adjacent two layers of fibers are perpendicular to each other;
进一步的，所述异形陶瓷片3为六边形的Al2O3陶瓷片，如图4所示，沿其边缘设有单边凸台；所述异形陶瓷片3的边长为17mm，凸台总宽度为5mm，其中平台部分宽度为3.4mm，高度为2mm，底部过渡部分宽度为1.6mm，异形陶瓷片3平台部分的厚度为6mm；Further, the special-shaped ceramic sheet 3 is a hexagonal Al 2 O 3 ceramic sheet, as shown in Figure 4, a single-side boss is provided along its edge; the side length of the special-shaped ceramic sheet 3 is 17mm, and the convex The total width of the platform is 5mm, of which the width of the platform part is 3.4mm, the height is 2mm, the width of the bottom transition part is 1.6mm, and the thickness of the platform part of the special-shaped ceramic sheet 3 is 6mm;
所述金属板1的材质为7mm轧制TC4钛合金，如图3所示，其上加工有与异形陶瓷片3上的凸台向对应的凹槽；所述凹槽的宽度为10mm，深度为2mm；The material of described metal plate 1 is 7mm rolling TC4 titanium alloy, as shown in Figure 3, is processed with the groove corresponding to the boss on the special-shaped ceramic sheet 3 on it; The width of described groove is 10mm, depth 2mm;
所述异形陶瓷片3通过其边缘的凸台与金属板1上的凹槽扣合，且相邻异形陶瓷片3无缝拼接。The irregular-shaped ceramic sheets 3 are buckled with the grooves on the metal plate 1 through the bosses on their edges, and the adjacent irregular-shaped ceramic sheets 3 are seamlessly spliced.
进一步的，所述胶膜层2和多层胶膜/纤维复合层4中的胶膜均采用环氧树脂制备；Further, the adhesive films in the adhesive film layer 2 and the multi-layer adhesive film/fiber composite layer 4 are all prepared by epoxy resin;
进一步的，所述异形陶瓷片3采用热压方法制备。Further, the special-shaped ceramic sheet 3 is prepared by hot pressing.
进一步的，所述金属板1、胶膜层2、陶瓷层和多层胶膜纤维复合层的厚度分别为：7mm、0.15mm、6mm和0.6mm。Further, the thicknesses of the metal plate 1, the adhesive film layer 2, the ceramic layer and the multi-layer adhesive film fiber composite layer are respectively: 7mm, 0.15mm, 6mm and 0.6mm.
进一步的，所述热压的工艺过程如下：Further, the process of hot pressing is as follows:
(1)对异形陶瓷片3和金属板1进行喷砂处理；将一层胶膜置于金属板1上加工有凹槽一侧的表面，将异形陶瓷片3上的凸台扣合金属板1上的凹槽内，压合以保证紧密贴合并使各异形陶瓷片3形成拼合平面，形成陶瓷层；(1) Carry out sandblasting treatment on the special-shaped ceramic sheet 3 and the metal plate 1; place a layer of adhesive film on the surface of the metal plate 1 where the groove is processed, and fasten the boss on the special-shaped ceramic sheet 3 to the metal plate In the groove on 1, press to ensure close fit and make the various shaped ceramic sheets 3 form a splicing plane to form a ceramic layer;
(2)在陶瓷层的表面上铺放依次铺放一层胶膜和一层纤维；再在所述纤维表面依次铺放一层胶膜和一层纤维，得到复合防弹板胚体；其中，两层纤维的纤维方向相互垂直。(2) Laying one deck of adhesive film and one deck of fiber successively on the surface of the ceramic layer; then laying one deck of adhesive film and one deck of fiber successively on the surface of the fiber to obtain the composite bulletproof board embryo body; wherein, The fiber directions of the fibers of the two layers are perpendicular to each other.
(3)将所述复合防弹板胚体压合紧密后置于聚四氟乙烯板上，置于普通热压炉内热压，以较缓慢的加压速率加压至1MPa，然后以2.5℃/min的升温速率升温至120℃，保温2小时，保压冷却至室温后卸压，得到所述复合防弹板。(3) Press the composite bullet-proof board body tightly and place it on a polytetrafluoroethylene board, place it in an ordinary hot-pressing furnace for hot pressing, pressurize to 1MPa at a relatively slow pressurization rate, and then pressurize at 2.5°C The heating rate was raised to 120° C., kept at a temperature of 2 hours, kept under pressure and cooled to room temperature, and then released to obtain the composite bulletproof plate.
实施例2Example 2
如图1所示，一种嵌有异形陶瓷片的复合防弹板，所述复合防弹板由金属板1、胶膜层2、陶瓷层和多层胶膜/纤维复合层4依次叠层后热压形成；As shown in Figure 1, a composite bullet-proof plate embedded with special-shaped ceramic sheets, the composite bullet-proof plate is sequentially laminated by a metal plate 1, an adhesive film layer 2, a ceramic layer and a multi-layer adhesive film/fiber composite layer 4 and then heated. pressure forming;
其中，所述陶瓷层由异形陶瓷片3拼装而成；所述多层胶膜/纤维复合层4由两层胶膜和两层玻璃纤维纤维交替叠层得到，且相邻的两层纤维之间的纤维方向互相垂直；Wherein, the ceramic layer is assembled from special-shaped ceramic sheets 3; the multi-layer adhesive film/fiber composite layer 4 is obtained by alternate lamination of two layers of adhesive film and two layers of glass fiber fibers, and the adjacent two layers of fibers The fiber directions between are perpendicular to each other;
进一步的，所述异形陶瓷片3为六边形的Al2O3陶瓷片，如图5所示，沿其边缘设有双边凸台；所述异形陶瓷片3的边长为40mm，凸台总宽度为5.2mm，其中平台部分宽度为2mm，高度为2mm，中间凸起圆弧过渡部分宽度为1.6mm，底部凹陷圆弧过渡部分宽度为1.6mm；异形陶瓷片3平台部分的厚度为5mm；Further, the special-shaped ceramic sheet 3 is a hexagonal Al 2 O 3 ceramic sheet, as shown in Figure 5, a bilateral boss is provided along its edge; the side length of the special-shaped ceramic sheet 3 is 40mm, and the boss The total width is 5.2mm, of which the width of the platform part is 2mm, the height is 2mm, the width of the convex arc transition part in the middle is 1.6mm, and the width of the concave arc transition part at the bottom is 1.6mm; the thickness of the special-shaped ceramic sheet 3 platform part is 5mm ;
所述金属板1的材质为7mm轧制TC4钛合金，其上加工有与异形陶瓷片3上的凸台向对应的凹槽；所述凹槽的宽度为10mm，深度为2mm；The material of the metal plate 1 is 7mm rolled TC4 titanium alloy, which is processed with a groove corresponding to the boss on the special-shaped ceramic sheet 3; the width of the groove is 10mm, and the depth is 2mm;
所述异形陶瓷片3通过其边缘的凸台与金属板1上的凹槽扣合，且相邻异形陶瓷片3无缝拼接。The irregular-shaped ceramic sheets 3 are buckled with the grooves on the metal plate 1 through the bosses on their edges, and the adjacent irregular-shaped ceramic sheets 3 are seamlessly spliced.
进一步的，所述胶膜层2和多层胶膜/纤维复合层4中的胶膜均采用改性的环氧树脂制备；Further, the adhesive films in the adhesive film layer 2 and the multi-layer adhesive film/fiber composite layer 4 are all prepared by modified epoxy resin;
进一步的，所述异形陶瓷片3采用热压方法制备。Further, the special-shaped ceramic sheet 3 is prepared by hot pressing.
进一步的，所述金属板1、胶膜层2、陶瓷层和多层胶膜纤维复合层的厚度分别为：7mm、0.15mm、5mm和0.6mm。Further, the thicknesses of the metal plate 1, the adhesive film layer 2, the ceramic layer and the multi-layer adhesive film fiber composite layer are: 7mm, 0.15mm, 5mm and 0.6mm, respectively.
进一步的，所述热压的工艺过程如下：Further, the process of hot pressing is as follows:
(1)对异形陶瓷片3和金属板1进行喷砂处理；将一层胶膜置于金属板1上加工有凹槽一侧的表面，将异形陶瓷片3上的凸台扣合金属板1上的凹槽内，压合以保证紧密贴合并使各异形陶瓷片3形成拼合平面，形成陶瓷层；(1) Carry out sandblasting treatment on the special-shaped ceramic sheet 3 and the metal plate 1; place a layer of adhesive film on the surface of the metal plate 1 where the groove is processed, and fasten the boss on the special-shaped ceramic sheet 3 to the metal plate In the groove on 1, press to ensure close fit and make the various shaped ceramic sheets 3 form a splicing plane to form a ceramic layer;
(2)在陶瓷层的表面上铺放依次铺放一层胶膜和一层纤维；再在所述纤维表面依次铺放一层胶膜和一层纤维，得到复合防弹板胚体；其中，两层纤维的纤维方向相互垂直。(2) Laying one deck of adhesive film and one deck of fiber successively on the surface of the ceramic layer; then laying one deck of adhesive film and one deck of fiber successively on the surface of the fiber to obtain the composite bulletproof board embryo body; wherein, The fiber directions of the fibers of the two layers are perpendicular to each other.
(3)将所述复合防弹板胚体压合紧密后置于真空热压罐配套的真空袋内，将真空袋置于真空罐内，连接真空阀门，连接热电偶，并用真空胶将开口密封；先将真空袋抽真空然后以0.1MPa/min的加压速率加载至1MPa，然后以3℃/min的升温速率升温至120℃，保温2小时，保压冷却至室温后卸压，得到所述复合防弹板。(3) Press the composite bullet-proof plate embryo body tightly and place it in the vacuum bag matched with the vacuum autoclave, place the vacuum bag in the vacuum tank, connect the vacuum valve, connect the thermocouple, and seal the opening with vacuum glue ; first vacuumize the vacuum bag and then load it to 1MPa at a pressurization rate of 0.1MPa/min, then raise the temperature to 120°C at a heating rate of 3°C/min, keep the temperature for 2 hours, keep the pressure and cool to room temperature, and then release the pressure to obtain the obtained Said composite bulletproof plate.
本发明包括但不限于以上实施例，凡是在本发明精神的原则之下进行的任何等同替换或局部改进，都将视为在本发明的保护范围之内。The present invention includes but is not limited to the above embodiments, and any equivalent replacement or partial improvement under the principle of the spirit of the present invention will be considered within the protection scope of the present invention.
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| CN114199078A (en) * | 2021-12-19 | 2022-03-18 | 辽宁伊菲科技股份有限公司 | Preparation method and device of boron carbide composite ceramic process |
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