CN106242579A - A kind of bulletproof ceramic and preparation method thereof - Google Patents
A kind of bulletproof ceramic and preparation method thereof Download PDFInfo
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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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- 239000000919 ceramic Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 15
- 229910052580 B4C Inorganic materials 0.000 claims abstract description 12
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910017083 AlN Inorganic materials 0.000 claims abstract description 10
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims abstract description 10
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical group O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000440 bentonite Substances 0.000 claims abstract description 9
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 9
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 9
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 8
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 8
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 8
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910021487 silica fume Inorganic materials 0.000 claims abstract description 8
- 238000005245 sintering Methods 0.000 claims abstract description 8
- 238000001238 wet grinding Methods 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims description 21
- 238000001035 drying Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 14
- 238000000498 ball milling Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000018044 dehydration Effects 0.000 abstract 1
- 238000006297 dehydration reaction Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 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
- C04B35/581—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 based on aluminium nitride
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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
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.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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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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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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