CN106242579A - A kind of bulletproof ceramic and preparation method thereof - Google Patents

A kind of bulletproof ceramic and preparation method thereof Download PDF

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CN106242579A
CN106242579A CN201610624627.3A CN201610624627A CN106242579A CN 106242579 A CN106242579 A CN 106242579A CN 201610624627 A CN201610624627 A CN 201610624627A CN 106242579 A CN106242579 A CN 106242579A
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preparation
bulletproof ceramic
drying
powder
roasting
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CN106242579B (en
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陈流安
史卫南
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Zhongshan Beidouxing Navigation Innovative Application Research Institute
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Zhongshan Beidouxing Navigation Innovative Application Research Institute
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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Abstract

The invention discloses a kind of bulletproof ceramic and preparation method thereof, the bulletproof ceramic of the present invention is by aluminium nitride, carborundum, boron carbide, nano silica fume, SiO 2 powder, magnesium oxide, bentonite forms, its preparation method is: by aluminium nitride, carborundum, boron carbide, bentonite mixes, hydro-thermal reaction fully mixes, wet grinding after dehydration, then dry and be ground to 100 mesh, put into sintering kiln roasting after re-compacted molding and obtain finished product, the bulletproof ceramic low cost of the present invention, preparation method is easy, and there is relatively low density and higher hardness, impact resistant capability is higher, the protection effect of the flak jackets prepared is more preferable.

Description

A kind of bulletproof ceramic and preparation method thereof
Technical field
The present invention relates to ceramic material field, be specifically related to a kind of bulletproof ceramic and preparation method thereof.
Background technology
Bulletproof ceramic and metal burster course are the bullet resistant materials of modern two kinds of the more commonly used flak jackets, and ceramic is shellproof former Reason is to absorb the kinetic energy of bullet owing to it ruptures, simultaneously as flak jackets is as the characteristic of special medicated clothing, therefore prevents except it Outside elastic energy, also there is relatively low density, it is simple to the activity of wearer, it addition, from the angle of popularization and application on a large scale, also need Cost of manufacture to be considered and maintenance cost.
Traditional bulletproof ceramic applies substantial amounts of boron carbide as raw material, and its density is less, and the bulletproof ceramic prepared becomes Product hardness is high, has a ballistic performance of excellence, but the high cost of boron carbide, therefore cause the final flak jackets price prepared Expensive.
Chinese invention patent application CN104329988 discloses a kind of bulletproof ceramic sheet and preparation method thereof, reduces carbon Changing the consumption of boron, reduce cost, but the preparation method of the bulletproof ceramic sheet of the program is complicated, technique is loaded down with trivial details, becomes to produce cost Height, still can not solve the Cost Problems of final products.
Summary of the invention
The invention aims to provide a kind of bulletproof effect good, technique is simple, bulletproof ceramic that cost of material is low and Its preparation method.
The bulletproof ceramic of the present invention, is grouped into by the one-tenth of following mass fraction:
The preparation method of the bulletproof ceramic of the present invention is:
(1) feeding, adds in reactor after aluminium nitride, carborundum, boron carbide, bentonite mixing, carries out water after adding water Thermal response 6～8h, the quality of added water and quality of material are than for 1:1～3:1；
(2) slurry dewatering, isolates slurry, wet grinding post-drying；
(3) powder after drying adds magnesium oxide, nano silica fume and SiO 2 powder, then material is joined ball Ball milling 5～after 7 hours in grinding jar, sieves, obtains raw material；
(4) pressurize in raw material are placed on tablet machine, compressing, obtain blanket；
(5) blanket is joined in sintering furnace, is warming up to 1400～1600 DEG C, after roasting 5～7h, be cooled to 1000～ 1200 DEG C, roasting 9～15h, then Temperature fall, obtain finished product.
As a modification of the present invention, in step (1), hydrothermal temperature is 120～160 DEG C.
As the another kind of improvement of the present invention, the drying temperature in step (2) is less than 110 degrees Celsius.
As the further improvement of the present invention, step (3) screen cloth used that sieves is 100 mesh.
The bulletproof ceramic of the present invention, decreases the usage amount of boron carbide in tradition bulletproof ceramic, uses instead lower-cost Aluminium nitride so that cost reduces 30%, it addition, in the preparation process of bulletproof ceramic, with the addition of a small amount of bentonite, pass through Hydro-thermal reaction is allowed to be sufficiently mixed with raw material, and expands under hydrothermal conditions so that deposit in the final bulletproof ceramic prepared In the fine and closely woven space of slightly more than traditional ceramics, so, the density of bulletproof ceramic is on the one hand reduced so that flak jackets is overall Mass lost, it is simple to the activity of wearer, on the other hand, the structure of porous, hardness is bigger, and impact resistant capability is higher so that anti- The protection effect playing clothing is more preferable.
Detailed description of the invention
Below in conjunction with detailed description of the invention, bulletproof ceramic of the present invention and preparation method thereof is described in further detail.
Embodiment 1
Feeding, each raw materials quality number is:
(1) feeding, adds in reactor after aluminium nitride, carborundum, boron carbide, bentonite mixing, adds water latter 160 DEG C Row hydro-thermal reaction 8h, the quality of added water and quality of material are than for 1:1；
(2) slurry dewatering, isolates slurry, 110 DEG C of drying after wet grinding；
(3) powder after drying adds magnesium oxide, nano silica fume and SiO 2 powder, then material is joined ball In grinding jar, ball milling is after 5 hours, crosses 100 mesh sieves, obtains raw material；
(4) pressurize in raw material are placed on tablet machine, compressing, obtain blanket；
(5) blanket is joined in sintering furnace, be warming up to 1500 DEG C, after roasting 7h, be cooled to 1200 DEG C, roasting 13h, so Rear Temperature fall, obtains bulletproof ceramic.
Embodiment 2
Feeding, each raw materials quality number is:
(1) feeding, adds in reactor after aluminium nitride, carborundum, boron carbide, bentonite mixing, adds water latter 135 DEG C Row hydro-thermal reaction 6h, the quality of added water and quality of material are than for 2:1；
(2) slurry dewatering, isolates slurry, 100 DEG C of drying after wet grinding；
(3) powder after drying adds magnesium oxide, nano silica fume and SiO 2 powder, then material is joined ball In grinding jar, ball milling is after 7 hours, crosses 100 mesh sieves, obtains raw material；
(4) pressurize in raw material are placed on tablet machine, compressing, obtain blanket；
(5) blanket is joined in sintering furnace, be warming up to 1600 DEG C, after roasting 7h, be cooled to 1000 DEG C, roasting 15h, so Rear Temperature fall, obtains bulletproof ceramic.
Embodiment 3
Feeding, each raw materials quality number is:
(1) feeding, adds in reactor after aluminium nitride, carborundum, boron carbide, bentonite mixing, adds water latter 120 DEG C Row hydro-thermal reaction 7h, the quality of added water and quality of material are than for 2:1；
(2) slurry dewatering, isolates slurry, 95 DEG C of drying after wet grinding；
(3) powder after drying adds magnesium oxide, nano silica fume and SiO 2 powder, then material is joined ball In grinding jar, ball milling is after 7 hours, crosses 100 mesh sieves, obtains raw material；
(4) pressurize in raw material are placed on tablet machine, compressing, obtain blanket；
(5) blanket is joined in sintering furnace, be warming up to 1400 DEG C, after roasting 7h, be cooled to 1100 DEG C, roasting 9h, so Rear Temperature fall, obtains bulletproof ceramic.
Embodiment 4
Feeding, each raw materials quality number is:
(1) feeding, adds in reactor after aluminium nitride, carborundum, boron carbide, bentonite mixing, adds water latter 130 DEG C Row hydro-thermal reaction 8h, the quality of added water and quality of material are than for 1:1；
(2) slurry dewatering, isolates slurry, 110 DEG C of drying after wet grinding；
(3) powder after drying adds magnesium oxide, nano silica fume and SiO 2 powder, then material is joined ball In grinding jar, ball milling is after 5 hours, crosses 100 mesh sieves, obtains raw material；
(4) pressurize in raw material are placed on tablet machine, compressing, obtain blanket；
(5) blanket is joined in sintering furnace, be warming up to 1500 DEG C, after roasting 5h, be cooled to 1000 DEG C, roasting 15h, so Rear Temperature fall, obtains bulletproof ceramic.
Embodiment 5
Feeding, each raw materials quality number is:
(1) feeding, adds in reactor after aluminium nitride, carborundum, boron carbide, bentonite mixing, adds water latter 120 DEG C Row hydro-thermal reaction 8h, the quality of added water and quality of material are than for 2:1；
(2) slurry dewatering, isolates slurry, 100 DEG C of drying after wet grinding；
(3) powder after drying adds magnesium oxide, nano silica fume and SiO 2 powder, then material is joined ball In grinding jar, ball milling is after 6 hours, crosses 100 mesh sieves, obtains raw material；
(4) pressurize in raw material are placed on tablet machine, compressing, obtain blanket；
(5) blanket is joined in sintering furnace, be warming up to 1600 DEG C, after roasting 5h, be cooled to 1000 DEG C, roasting 15h, so Rear Temperature fall, obtains bulletproof ceramic.
Finally should be noted that: above example is merely to illustrate the technical scheme of the application rather than to its protection domain Restriction, although being described in detail the application with reference to above-described embodiment, those of ordinary skill in the field should Understand: those skilled in the art read the application after still can to application detailed description of the invention carry out all changes, amendment or Person's equivalent, but these changes, amendment or equivalent, all within the claims that application is awaited the reply.

Claims (5)

1. a bulletproof ceramic, is grouped into by the one-tenth of following mass fraction:
The preparation method of a kind of bulletproof ceramic the most according to claim 1, preparation process is:
(1) feeding, adds in reactor after aluminium nitride, carborundum, boron carbide, bentonite mixing, carries out hydro-thermal anti-after adding water Answering 6～8h, the quality of added water and quality of material are than for 1:1～3:1；
(2) slurry dewatering, isolates slurry, wet grinding post-drying；
(3) powder after drying adds magnesium oxide, nano silica fume and SiO 2 powder, then material is joined ball grinder Middle ball milling 5～after 7 hours, sieves, obtains raw material；
(4) pressurize in raw material are placed on tablet machine, compressing, obtain blanket；
(5) blanket is joined in sintering furnace, be warming up to 1400～1600 DEG C, after roasting 5～7h, be cooled to 1000～1200 DEG C, roasting 9～15h, then Temperature fall, obtain finished product.
The preparation method of a kind of bulletproof ceramic the most according to claim 2, it is characterised in that: hydro-thermal reaction in step (1) Temperature is 120～160 DEG C.
The preparation method of a kind of bulletproof ceramic the most according to claim 2, it is characterised in that: the drying temperature in step (2) Degree is less than 110 degrees Celsius.
The preparation method of a kind of bulletproof ceramic the most according to claim 2, it is characterised in that: step (3) is sieved sieve used Net is 100 mesh.
CN201610624627.3A 2016-07-29 2016-07-29 A kind of bulletproof ceramic and preparation method thereof Expired - Fee Related CN106242579B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114485275A (en) * 2022-03-24 2022-05-13 山东莱威新材料有限公司 Ultra-light bulletproof ceramic plate and preparation method thereof
CN114621012A (en) * 2022-03-17 2022-06-14 景德镇华迅特种陶瓷有限公司 Preparation method of bulletproof boron carbide composite ceramic

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CN103979971A (en) * 2014-04-09 2014-08-13 宁波东联密封件有限公司 Liquid-phase sintered boron carbide bulletproof material and preparation method thereof
CN104446483A (en) * 2014-12-16 2015-03-25 宁波伏尔肯机械密封件制造有限公司 Volume production method of pressureless sintering boron carbide ceramic bullet-proof sheets
WO2016016169A1 (en) * 2014-07-28 2016-02-04 Centre De Transfert De Technologies Ceramiques (C.T.T.C.) Composite material for an anti-ballistic protection device comprising ceramic objects in a binder matrix and method for producing such a material
TW201616090A (en) * 2014-10-17 2016-05-01 Simhope Ind Co Ltd Ceramic bullet-resisting board manufacturing process
CN105777133A (en) * 2016-04-29 2016-07-20 台州东新密封有限公司 Manufacturing method and special die for one-step-formed multi-curved-face integral bullet-proof plates

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CN103979971A (en) * 2014-04-09 2014-08-13 宁波东联密封件有限公司 Liquid-phase sintered boron carbide bulletproof material and preparation method thereof
WO2016016169A1 (en) * 2014-07-28 2016-02-04 Centre De Transfert De Technologies Ceramiques (C.T.T.C.) Composite material for an anti-ballistic protection device comprising ceramic objects in a binder matrix and method for producing such a material
TW201616090A (en) * 2014-10-17 2016-05-01 Simhope Ind Co Ltd Ceramic bullet-resisting board manufacturing process
CN104446483A (en) * 2014-12-16 2015-03-25 宁波伏尔肯机械密封件制造有限公司 Volume production method of pressureless sintering boron carbide ceramic bullet-proof sheets
CN105777133A (en) * 2016-04-29 2016-07-20 台州东新密封有限公司 Manufacturing method and special die for one-step-formed multi-curved-face integral bullet-proof plates

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114621012A (en) * 2022-03-17 2022-06-14 景德镇华迅特种陶瓷有限公司 Preparation method of bulletproof boron carbide composite ceramic
CN114621012B (en) * 2022-03-17 2022-11-25 景德镇华迅特种陶瓷有限公司 Preparation method of bulletproof boron carbide composite ceramic
CN114485275A (en) * 2022-03-24 2022-05-13 山东莱威新材料有限公司 Ultra-light bulletproof ceramic plate and preparation method thereof

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