CN103162578A - Preparation method of zirconia ceramic-quartz fiber fabric body combination bullet resistant material - Google Patents
Preparation method of zirconia ceramic-quartz fiber fabric body combination bullet resistant material Download PDFInfo
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- CN103162578A CN103162578A CN 201310107867 CN201310107867A CN103162578A CN 103162578 A CN103162578 A CN 103162578A CN 201310107867 CN201310107867 CN 201310107867 CN 201310107867 A CN201310107867 A CN 201310107867A CN 103162578 A CN103162578 A CN 103162578A
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Abstract
The invention discloses a preparation method of a zirconia ceramic-quartz fiber fabric body combination bullet resistant material. The preparation method of the zirconia ceramic-quartz fiber fabric body composite bullet resistant material comprises a quartz fiber fabric body and a zirconia ceramic, wherein the surface of the quartz fiber fabric body is coated with a layer of silica sol containing mullite whisker, and the zirconia ceramic is connected with the quartz fiber fabric body through a middle layer containing a boric oxide component. According to the zirconia ceramic-quartz fiber fabric body combination bullet resistant material, the zirconia ceramic is high in hardness and has a projectile armor-piercing resistant function, the fiber fabric body has high elasticity, absorbs the projectile energy, can buffer bullet impact force and prevent the ceramic from cracking, the layer of the silica sol containing the mullite whisker coated on the surface of the quartz fiber fabric body effectively improves the thermal endurance of the quartz fiber fabric, the thermal endurance of the overall bullet resistant material is enabled to be improved, the high temperature damage caused by projectile explosion is prevented, and thereby the comprehensive bullet resistant ability of the combination material is improved.
Description
Technical field
The invention belongs to the technical field of bullet resistant material; Be particularly related to the preparation method of a kind of anti-armour-piercing, high temperature resistant, blastproof zirconia ceramics-silica fibrage body combination bullet resistant material.
Background technology
In anti-sudden and violent, struggle against terror and modern war, bullet resistant material can reduce injures and deaths, improve its combat capabilities, and increases the triumph factor.Tradition plays material and mainly contains armour plate, ceramic composite, graphite composite material, Kafra fiber (AF) composite and superhigh molecular weight polyethylene fibers (UHMWPE) composite etc.Take flak jackets as example, the basic structure broadly similar of the advanced military flak jackets of composite in the world: mainly comprise the overcoat that merges the tactical vest function, the soft burster course that adopts aramid fiber or superhigh molecular weight polyethylene fibers to make, and strengthen defensive shellproof inserting and pull.Overcoat is gone back the various tactical gear of portability except can holding soft burster course processed or armour firmly processed; The software burster course can be defendd the attack of pistol cartridge, mini-submachine gun bullet and fragmentation; Hard armour processed is strengthened protecting for the fatal positions such as the shirtfront of human body, back provide, the highest attack of resisting active service assault rifle armor-piercing bullet.This hardware armour can according to the height of degree of danger, select to install the plate of different shellproof ranks.Yet with the projectile technical development, the explosive projectile use militarily that is hampered increases gradually.This class bomb can produce high temperature in the moment of clashing into bullet resistant material, cause the application of organic (or carbon fiber) and metal species material to be limited to, and the reusable demand of the discontented foot of " very stiff and demanding " shellproof measure that absorbs projectile kinetic energy is split in the traditional ceramics breaking.
Summary of the invention
For overcoming the deficiency of above-mentioned background technology, the present invention proposes the preparation method of a kind of zirconia ceramics-silica fibrage body combination bullet resistant material, adopt the form of quartz fibre and hard ceramic composite component to prepare bullet resistant material, utilize ceramic high rigidity to resist the projectile armor piercing effect, utilize fibrage body elastic buffer projectile to impact, prevent ceramic fracture, utilize high-temperature stability both, slow down blast high temperature lethality.
The zirconia ceramics that the present invention relates to-preparation method of silica fibrage body combination bulletproof ceramic is achieved in that and at first adopts quartzy continuous fiber to obtain the silica fibrage body by braiding, and applies mullite crystal whisker and Ludox mixed liquor on its surface; Then intermediate layer and the combination of zirconia ceramics sheet by containing boron oxide component is through the combined material of high-temperature roasting acquisition zirconia ceramics and silica fibrage body.
In the preparation method of above-mentioned zirconia ceramics-silica fibrage body combination bullet resistant material, zirconia ceramics is the toughened zirconium oxide ceramic that contains stabilizing agent, firing temperature is at 1450-1600 ℃, and room temperature bending strength is not less than 500MPa, Room-Temperature Fracture Toughness is not less than 8MPam
1/2
In the preparation method of above-mentioned zirconia ceramics-silica fibrage body combination bullet resistant material, relate to two key technology difficult points, the one, existing domestic continuous quartz fibre begins the crystallization embrittlement in the time of 800 ℃, become the durothermic restraining factors of black box; The 2nd, when zirconia ceramics being connected combination with quartz fibre, zirconia and the quartzy very big (ZrO of expansion coefficient difference
2Be about 9.6 * 10
-6/ ℃, quartz fibre is about 0.54 * 10
-6/ ℃), be difficult to obtain high-quality and connect.
Adapt to the fiber temperature tolerance for improving, originally researched and proposed fibrage body and flooded the Ludox technical measures that contain mullite crystal whisker: the 5wt% mullite crystal whisker has been dispersed in the silica sol liquid of 10% solid concentration, form whisker-colloidal sol mixed liquor, by the vacuum pressure impregnation method, mixed liquor is immersed in the fibrage surface, then dries, calcine 600 ℃.This moment, Ludox was transformed into silica, formed mullite crystal whisker-silicon oxide film at fiber surface, utilized the heat insulation heatproof of mullite crystal whisker, prevented quartzy high temperature crystallization, improved whole temperature tolerance.Impregnation technology can repeatedly increase with the dipping number of times, and the fiber surface density increases.
For making the matched coefficients of thermal expansion of zirconia and quartz fibre, adopt the mixture that contains boron oxide, zirconia and silica in the present invention, wherein boron oxide content is at 50-100% (mass ratio), and zirconia and proportion of silica are 1: 1 (volume ratio).Its foundation is to utilize the diffusion of the boron oxide condition of high temperature (600-900 ℃) in quartz fibre, make itself and silica form the Pyrex of different borosilicate ratios (along the boron dispersal direction, boron content reduces), by the component material of different borosilicate ratios the thermal coefficient of expansion rule---along with the minimizing of boron content, thermal coefficient of expansion reduces.This makes boron-rich place, quartz fibre surface have higher thermal coefficient of expansion, with the zirconia ceramics coupling, realizes that zirconia ceramics is connected with the reliable of quartz fibre body.
the preparation method of the zirconia ceramics that the present invention proposes-silica fibrage body combination bullet resistant material is than the good effect of other bullet resistant materials: the zirconia ceramics heatproof, has again high tenacity, the silica fibrage body has high resiliency, after the silica fibrage body applies and contains the Ludox of mullite crystal whisker, further increased the temperature tolerance of quartz fibre, the middle zirconia ceramics that can make mutually that employing contains boron oxide is connected at 600-900 ℃ of acquisition high-quality with fibrage body, so, black box presents high temperature resistant, hardness is high, the characteristic of good springiness, thereby effectively resist high speed impact and the blast high temperature of projectile.Heatproof, explosion-resistance characteristic are better than containing metal and high score subclass bullet resistant material, and shock-resistant, safe and reliable aspect is better than hard ceramic class bullet resistant material.
The specific embodiment
Embodiment 1:
Commercially available quartz fibre 2 dimensions are woven into the cloth of 1 millimeter of thickness, surface impregnation contains the Ludox millimeter of 5% (mass ratio) mullite crystal whisker, after drying at room temperature, calcine 600 ℃, lower surface brush one deck boron oxide aqueous solution thereon again, upper and lower surface stack with the commercially available zirconia sheet of 1 millimeter of thickness respectively, are positioned in the Elema high temperature furnace, through 750 ℃ of processing 1 hour, obtain sheet type zirconia ceramics-silica fibrage body combination bullet resistant material.
Embodiment 2:
Commercially available quartz fibre 3 dimensions are woven into the block of 5 millimeters of thickness, vacuum pressure impregnation contains the Ludox of 10% (mass ratio) mullite crystal whisker, after drying at room temperature, calcine 600 ℃, repeated impregnations-drying-calcination process again, and then lower surface brush one deck silica thereon: zirconia: the slurry of boron oxide=1: 1: 2, upper and lower surface stacks with the commercially available zirconia sheet of 2 millimeters of thickness respectively, be positioned in the Elema high temperature furnace, through 900 ℃ of processing 1 hour, obtain block-shaped zirconia ceramics-silica fibrage body combination bullet resistant material.
Claims (4)
1. the preparation method of zirconia ceramics-silica fibrage body combination bullet resistant material, is characterized in that, combined by articulamentum by silica fibrage body and zirconia ceramics.
2. the preparation method of zirconia ceramics-silica fibrage body combination bullet resistant material according to claim 1, is characterized in that, the silica fibrage surface of employing applies the silica sol layer that contains mullite crystal whisker.
3. the preparation method of zirconia ceramics-silica fibrage body combination bullet resistant material according to claim 1, is characterized in that, zirconia ceramics is connected through 600-900 ℃ of high-temperature process by the intermediate layer that contains boron oxide component with the silica fibrage body.
4. the preparation method of zirconia ceramics-silica fibrage body combination bullet resistant material according to claim 1, it is characterized in that, described intermediate layer is for containing (50-100) % (mass ratio) boron oxide, (0-25) % (mass ratio) zirconia and (0-25) mixture of % (mass ratio) silica.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310107867 CN103162578A (en) | 2013-04-01 | 2013-04-01 | Preparation method of zirconia ceramic-quartz fiber fabric body combination bullet resistant material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201310107867 CN103162578A (en) | 2013-04-01 | 2013-04-01 | Preparation method of zirconia ceramic-quartz fiber fabric body combination bullet resistant material |
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| CN103162578A true CN103162578A (en) | 2013-06-19 |
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| CN 201310107867 Pending CN103162578A (en) | 2013-04-01 | 2013-04-01 | Preparation method of zirconia ceramic-quartz fiber fabric body combination bullet resistant material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371702A (en) * | 2015-09-29 | 2016-03-02 | 北京普凡防护科技有限公司 | Bullet-proof composite plate and manufacturing method thereof |
| CN112125649A (en) * | 2020-09-02 | 2020-12-25 | 佳木斯大学 | Preparation method of three-phase ceramic fiber composite heat insulation tile |
-
2013
- 2013-04-01 CN CN 201310107867 patent/CN103162578A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371702A (en) * | 2015-09-29 | 2016-03-02 | 北京普凡防护科技有限公司 | Bullet-proof composite plate and manufacturing method thereof |
| CN112125649A (en) * | 2020-09-02 | 2020-12-25 | 佳木斯大学 | Preparation method of three-phase ceramic fiber composite heat insulation tile |
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Addressee: Liu Mengxia Document name: Notification of Passing Preliminary Examination of the Application for Invention |
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| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Mengxia Document name: Notification of Publication of the Application for Invention |
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Addressee: Liu Mengxia Document name: Notification of before Expiration of Request of Examination as to Substance |
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Application publication date: 20130619 |