CN114262236A - Ceramic composite material - Google Patents
Ceramic composite material Download PDFInfo
- Publication number
- CN114262236A CN114262236A CN202111542197.8A CN202111542197A CN114262236A CN 114262236 A CN114262236 A CN 114262236A CN 202111542197 A CN202111542197 A CN 202111542197A CN 114262236 A CN114262236 A CN 114262236A
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- China
- Prior art keywords
- matrix material
- metal phase
- ceramic
- ceramic matrix
- phase composite
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- 239000000919 ceramic Substances 0.000 title claims abstract description 62
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 40
- 239000011246 composite particle Substances 0.000 claims abstract description 31
- 239000011159 matrix material Substances 0.000 claims abstract description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims abstract description 5
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims description 24
- 239000002002 slurry Substances 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 9
- 238000003475 lamination Methods 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 229910052580 B4C Inorganic materials 0.000 claims description 8
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000007731 hot pressing Methods 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000007723 die pressing method Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 239000011863 silicon-based powder Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000001238 wet grinding Methods 0.000 claims description 3
- 239000011268 mixed slurry Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 2
- 239000001569 carbon dioxide Substances 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract description 2
- 238000011049 filling Methods 0.000 abstract description 2
- 239000012466 permeate Substances 0.000 abstract description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention discloses a ceramic composite material, which comprises a ceramic matrix material and metal phase composite particles infiltrated into the interior of the ceramic matrix material; under a certain temperature condition, carbon reacts with carbon dioxide gas in the air to generate gas, and the gas overflows from the ceramic matrix material, so that a large amount of tiny air holes are generated in the ceramic matrix material. At the moment, the high-pressure gas carries the metal phase composite particle material to permeate into the air holes, and the metal phase composite particle material is in a molten state under the action of continuous high temperature, so that the porous ceramic matrix material is filled, and during filling, the metal phase composite particle is connected in the air passage in a spider-web shape to form a fiber shape, so that the toughness of the ceramic composite material is sequentially improved, and the ceramic composite material with high stability is prepared.
Description
Technical Field
The invention particularly relates to a ceramic composite material.
Background
The ceramic composite material has the advantages of both ceramic and metal, is widely applied to military fields such as rockets, supersonic aircrafts and the like, and also widely adopts the ceramic composite material as a base material in the civil field such as the nozzle of a combustor and the inner wall of a high-temperature furnace.
Boron carbide, as a base material of a commonly used ceramic composite material, has the advantages of low cost, easy manufacture and the like compared with diamond or boron nitride, so that the boron carbide is widely used, especially in application of lightweight weapon armor.
However, after the boron carbide ceramic is compounded with the metal, although the structural strength and the high temperature resistance of the boron carbide ceramic are improved, the preparation process and the structural stability after preparation of the boron carbide ceramic still have certain problems, and how to effectively improve the impact resistance and the toughness is still a weak point of the current research.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a ceramic composite material.
A ceramic composite material includes a ceramic matrix material and metal phase composite particles infiltrated inside the ceramic matrix material;
the metal phase composite particles are infiltrated into the ceramic matrix material by adopting the following steps:
s1, preparing silicon powder, boron carbide powder, carbon and absolute ethyl alcohol into slurry through wet grinding;
s2, drying and die pressing the slurry to prepare a layered blank to be sintered;
s3, heating, when the temperature rises to 400-450 ℃, converting the blank to be sintered into a porous ceramic matrix material, and introducing powdery metal phase composite particles and inert gas;
s4, continuously introducing powder, heating and pressurizing until the temperature rises to 800-1000 ℃, and infiltrating the metal phase composite particles into the porous ceramic matrix material;
s5, carrying out multilayer lamination on the porous ceramic matrix material into which the metal phase composite particles are infiltrated according to a lamination mode, and coating an adhesive on the surface during lamination;
s6, carrying out hot pressing on the multi-layer porous ceramic matrix material under the pressure of 10-20MPa, and forming the ceramic composite material with a certain thickness after the hot pressing is finished.
Further, the particle size of the metal phase composite particles is 1-14 μm.
Further, the thickness of the prepared blank to be sintered is 2-6 mm.
Further, the preparation process of the metal phase composite particles comprises the following steps:
s1, weighing certain weight of aluminum oxide powder, potassium metal powder and magnesium metal powder;
s2, grinding and screening to obtain superfine metal powder with the particle size not more than 25 mu m;
s3, drying the superfine metal powder at 75-85 ℃ under the protection of inert atmosphere for more than 2 h;
and S4, after drying, preparing the metal phase composite particles with the particle size of less than 14 mu m by a grinding process under the action of compressed gas.
Further, in the preparation of the slurry, a certain amount of alumina powder is added.
Further, in the preparation of the slurry, the raw materials are mixed, and then the mixed slurry is prepared by adopting an ultrasonic mixing mode.
Has the advantages that:
under a certain temperature condition, carbon reacts with carbon dioxide gas in the air to generate gas, and the gas overflows from the ceramic matrix material, so that a large amount of tiny air holes are generated in the ceramic matrix material.
At the moment, the high-pressure gas carries the metal phase composite particle material to permeate into the air holes, and the metal phase composite particle material is in a molten state under the action of continuous high temperature, so that the porous ceramic matrix material is filled, and during filling, the metal phase composite particle is connected in the air passage in a spider-web shape to form a fiber shape, so that the toughness of the ceramic composite material is sequentially improved, and the ceramic composite material with high stability is prepared.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
A ceramic composite material includes a ceramic matrix material and metal phase composite particles infiltrated inside the ceramic matrix material;
the metal phase composite particles are infiltrated into the ceramic matrix material by adopting the following steps:
s1, preparing slurry from silicon powder, boron carbide powder, alumina powder, carbon and absolute ethyl alcohol through wet grinding, and preparing more uniform slurry through ultrasonic mixing;
s2, drying and die pressing the slurry to prepare a layered blank to be sintered;
s3, heating, when the temperature rises to 400-450 ℃, converting the blank to be sintered into a porous ceramic matrix material, and introducing powdery metal phase composite particles and inert gas;
s4, continuously introducing powder, heating and pressurizing until the temperature rises to 800-1000 ℃, and infiltrating the metal phase composite particles into the porous ceramic matrix material;
s5, carrying out multilayer lamination on the porous ceramic matrix material into which the metal phase composite particles are infiltrated according to a lamination mode, and coating an adhesive on the surface during lamination;
s6, carrying out hot pressing on the multi-layer porous ceramic matrix material under the pressure of 10-20MPa, and forming the ceramic composite material with a certain thickness after the hot pressing is finished.
The preparation process of the metal phase composite particles comprises the following steps:
s1, weighing certain weight of aluminum oxide powder, potassium metal powder and magnesium metal powder;
s2, grinding and screening to obtain superfine metal powder with the particle size not more than 25 mu m;
s3, drying the superfine metal powder at 75-85 ℃ under the protection of inert atmosphere for more than 2 h;
and S4, after drying, preparing the metal phase composite particles with the particle size of less than 14 mu m by a grinding process under the action of compressed gas.
Adopt metal phase composite particle to carry out effectual packing to ceramic matrix material among the ceramic composite to promote ceramic matrix material's toughness, compare with the mode of traditional direct compounding, this kind of novel ceramic composite has adopted two steps preparation technology, with the high-strength of the good utilization ceramic phase and the high toughness of metal phase, thereby prepare out the ceramic composite who has certain structural strength.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A ceramic composite material is characterized by comprising a ceramic matrix material and metal phase composite particles infiltrated into the interior of the ceramic matrix material;
the metal phase composite particles are infiltrated into the ceramic matrix material by adopting the following steps:
s1, preparing silicon powder, boron carbide powder, carbon and absolute ethyl alcohol into slurry through wet grinding;
s2, drying and die pressing the slurry to prepare a layered blank to be sintered;
s3, heating, when the temperature rises to 400-450 ℃, converting the blank to be sintered into a porous ceramic matrix material, and introducing powdery metal phase composite particles and inert gas;
s4, continuously introducing powder, heating and pressurizing until the temperature rises to 800-1000 ℃, and infiltrating the metal phase composite particles into the porous ceramic matrix material;
s5, carrying out multilayer lamination on the porous ceramic matrix material into which the metal phase composite particles are infiltrated according to a lamination mode, and coating an adhesive on the surface during lamination;
s6, carrying out hot pressing on the multi-layer porous ceramic matrix material under the pressure of 10-20MPa, and forming the ceramic composite material with a certain thickness after the hot pressing is finished.
2. The ceramic composite material according to claim 1, wherein the metal phase composite particles have a particle size of 1 to 14 μm.
3. A ceramic composite material according to claim 1, characterized in that the thickness of the finished blank to be sintered is 2-6 mm.
4. The ceramic composite material according to claim 1, wherein the metal phase composite particles are prepared by a process comprising:
s1, weighing certain weight of aluminum oxide powder, potassium metal powder and magnesium metal powder;
s2, grinding and screening to obtain superfine metal powder with the particle size not more than 25 mu m;
s3, drying the superfine metal powder at 75-85 ℃ under the protection of inert atmosphere for more than 2 h;
and S4, after drying, preparing the metal phase composite particles with the particle size of less than 14 mu m by a grinding process under the action of compressed gas.
5. A ceramic composite material according to claim 1, characterized in that in the preparation of the slurry, a certain amount of aluminium oxide powder is added.
6. The ceramic composite material as claimed in claim 1, wherein in the preparation of the slurry, the raw materials are mixed, and then the mixed slurry is prepared by adopting an ultrasonic mixing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111542197.8A CN114262236A (en) | 2021-12-16 | 2021-12-16 | Ceramic composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111542197.8A CN114262236A (en) | 2021-12-16 | 2021-12-16 | Ceramic composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114262236A true CN114262236A (en) | 2022-04-01 |
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ID=80827515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111542197.8A Pending CN114262236A (en) | 2021-12-16 | 2021-12-16 | Ceramic composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114262236A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5039633A (en) * | 1989-09-14 | 1991-08-13 | The Dow Chemical Company | B4C/Al cermets and method for making same |
| CN103060597A (en) * | 2013-01-11 | 2013-04-24 | 浙江天乐新材料科技有限公司 | Reinforced metal composite material of ceramic skeleton with periodical micro truss structure |
| CN104058772A (en) * | 2014-03-20 | 2014-09-24 | 汕头大学 | Ceramic composite material substrate and manufacturing technology thereof |
| CN106699185A (en) * | 2016-11-30 | 2017-05-24 | 潘云清 | Aluminum alloy composite material |
| CN106830942A (en) * | 2017-01-20 | 2017-06-13 | 镇江纽科利核能新材料科技有限公司 | A kind of porous B4C ceramic skeletons and its freezing molding process |
| CN107130133A (en) * | 2017-05-26 | 2017-09-05 | 哈尔滨工业大学 | A kind of ceramic/metal composite materials of gradient bicontinuous structure with and its preparation method and application |
| CN107675058A (en) * | 2017-10-12 | 2018-02-09 | 哈尔滨工业大学 | A kind of expanded letter fraction layered gradient Boral based composites and preparation method thereof |
| CN109293363A (en) * | 2018-10-24 | 2019-02-01 | 浙江吉成新材股份有限公司 | A kind of preparation method of aluminium boron carbide composite material |
| CN109320250A (en) * | 2018-10-09 | 2019-02-12 | 北京镭硼科技有限责任公司 | A kind of porous B based on agarose macromolecules gel casting forming4C ceramics preparative body |
-
2021
- 2021-12-16 CN CN202111542197.8A patent/CN114262236A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5039633A (en) * | 1989-09-14 | 1991-08-13 | The Dow Chemical Company | B4C/Al cermets and method for making same |
| CN103060597A (en) * | 2013-01-11 | 2013-04-24 | 浙江天乐新材料科技有限公司 | Reinforced metal composite material of ceramic skeleton with periodical micro truss structure |
| CN104058772A (en) * | 2014-03-20 | 2014-09-24 | 汕头大学 | Ceramic composite material substrate and manufacturing technology thereof |
| CN106699185A (en) * | 2016-11-30 | 2017-05-24 | 潘云清 | Aluminum alloy composite material |
| CN106830942A (en) * | 2017-01-20 | 2017-06-13 | 镇江纽科利核能新材料科技有限公司 | A kind of porous B4C ceramic skeletons and its freezing molding process |
| CN107130133A (en) * | 2017-05-26 | 2017-09-05 | 哈尔滨工业大学 | A kind of ceramic/metal composite materials of gradient bicontinuous structure with and its preparation method and application |
| CN107675058A (en) * | 2017-10-12 | 2018-02-09 | 哈尔滨工业大学 | A kind of expanded letter fraction layered gradient Boral based composites and preparation method thereof |
| CN109320250A (en) * | 2018-10-09 | 2019-02-12 | 北京镭硼科技有限责任公司 | A kind of porous B based on agarose macromolecules gel casting forming4C ceramics preparative body |
| CN109293363A (en) * | 2018-10-24 | 2019-02-01 | 浙江吉成新材股份有限公司 | A kind of preparation method of aluminium boron carbide composite material |
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Application publication date: 20220401 |
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