CN111320483A - High-temperature-resistant carbon fiber composite material and preparation method thereof - Google Patents
High-temperature-resistant carbon fiber composite material and preparation method thereof Download PDFInfo
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- CN111320483A CN111320483A CN202010167895.3A CN202010167895A CN111320483A CN 111320483 A CN111320483 A CN 111320483A CN 202010167895 A CN202010167895 A CN 202010167895A CN 111320483 A CN111320483 A CN 111320483A
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- carbon fiber
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/402—Aluminium
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/405—Iron group metals
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/428—Silicon
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Abstract
The invention discloses a high-temperature-resistant carbon fiber composite material and a preparation method thereof, wherein the high-temperature-resistant carbon fiber composite material comprises the following components in parts by mass: carbon fiber CFK: 70 percent; inert gas: 1 percent; silicon-containing metal filler: 29 percent; during preparation, inert gas is introduced in the coking process of the carbon fiber plate primary material; after baking and coking, the silicon-containing metal filler is put in and out of the carbon fiber plate initial material, so that the silicon-containing metal filler and the carbon fiber plate are fused with each other, and the carbon fiber plate at the final preparation position has better high temperature resistance.
Description
Technical Field
The invention relates to the technical field of carbon fiber plates, in particular to a high-temperature-resistant carbon fiber composite material and a preparation method thereof.
Background
The carbon fiber has many excellent properties, high axial strength and modulus, low density, high specific performance, no creep deformation, super high temperature resistance in non-oxidation environment, good fatigue resistance, specific heat and conductivity between nonmetal and metal, small thermal expansion coefficient, anisotropy, good corrosion resistance and good X-ray permeability. Good electric and heat conducting performance, good electromagnetic shielding performance and the like.
The carbon fiber board finished product prepared from carbon fibers has the characteristics of high specific strength, large specific modulus, good corrosion resistance and durability, small expansion coefficient, low production cost and the like, but the high temperature resistance of the carbon fiber board is required to be improved.
Disclosure of Invention
In view of the above, the invention provides a high temperature resistant carbon fiber composite material and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: a high-temperature-resistant carbon fiber composite material comprises the following components in parts by mass: carbon fiber CFK: 70 percent; inert gas: 1 percent; silicon-containing metal filler: 29 percent.
In a further technical scheme, the inert gas is helium; the silicon-containing metal filler comprises the following components: metallic silicon.
In a further technical scheme, the metal silicon is 98% of silicon-containing elements, and the balance is 2% of iron or aluminum.
A preparation method of a high-temperature-resistant carbon fiber composite material comprises the following steps:
s1: forming the carbon fiber composite material by an autoclave forming process to prepare a carbon fiber plate initial material, and controlling air pressure and temperature to ensure that the surface of the formed carbon fiber plate initial material is not completely cured;
s2: placing the carbon fiber plate primary material into an oven, injecting inert gas into the oven, and baking the carbon fiber plate primary material at a high temperature under a certain temperature and pressure condition to coke the carbon fiber plate primary material;
s3: continuously coking and baking the carbon fiber plate primary material in an oven to enable the surface of the carbon fiber plate primary material to have a cotton-like rough surface;
s4: taking out the carbon fiber plate initial material, injecting silicon-containing metal liquid into the carbon fiber plate initial material, and fusing the materials;
s5: and (5) molding at high temperature again.
In the further preparation, in the step S1, the temperature is 800-1200 ℃;
in the step S2, the baking temperature is 1200-2500 ℃.
In the further preparation, in the step S3, the baking temperature is 1500-2500 ℃.
In a further preparation, in the step S2, the inert gas is an inert gas not containing oxygen.
In a further preparation, the inert gas is helium.
In the further preparation, after the step S5, the prepared carbon fiber plate is cooled to obtain a finished product.
According to the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the traditional carbon fiber plate is technically improved, and inert gas is used in the coking process of the initial material of the carbon fiber plate; and after baking and coking, the silicon-containing metal filler is put into and taken out of the carbon fiber plate primary material, so that the silicon-containing metal filler and the carbon fiber plate are fused with each other, and the finally prepared carbon fiber plate has better high-temperature resistance.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A high-temperature-resistant carbon fiber composite material comprises the following components in parts by mass: carbon fiber CFK: 70 percent; inert gas: 1 percent; silicon-containing metal filler: 29 percent.
The inert gas is helium, and the inert gas is added to improve the strength of the structure and the surface and is better cured and molded in a high-temperature environment;
in further embodiments, the inert gas may also be a combination of 90% helium and 10% nitrogen.
The silicon-containing metal filler comprises the following components: the metal silicon is 98 percent of silicon-containing element, and the balance is 2 percent of iron or aluminum; the content of metallic silicon is set to 98% of silicon element and 2% of iron element.
A preparation method for preparing the high-temperature-resistant carbon fiber composite material comprises the following steps:
s1: forming the carbon fiber composite material by an autoclave forming process to prepare a carbon fiber plate primary material; the autoclave molding refers to a process method of putting the carbon fiber composite material in an autoclave and completing a curing process at a constant temperature and pressure. The autoclave is a special pressure container capable of bearing and regulating a fixed temperature and pressure range. In the step of implementing, the air pressure and temperature are controlled, so that the surface of the formed carbon fiber plate initial material is not completely solidified, but is not completely solidified so as to better melt metal liquid and inert gas, and the carbon fiber plate initial material is solidified and formed, wherein the temperature can be controlled to be 800-1200 ℃, and the air pressure can be controlled to be 2-4 atmospheric pressures
S2: placing the carbon fiber plate primary material into an oven, and injecting inert gas into the oven, wherein the inert gas is oxygen-free inert gas, and the inert gas can be helium; baking the carbon fiber plate primary material at a high temperature under certain temperature and air pressure conditions to coke the carbon fiber plate primary material; in the present embodiment, the baking temperature is 1500 ℃ to 2500 ℃, preferably 2300 ℃.
S3: continuously coking and baking the carbon fiber plate initial material in an oven to enable the surface of the carbon fiber plate initial material to have a foam-like rough surface, wherein the temperature is controlled to be about 2300 ℃, and the air pressure is controlled to be 3-4 atmospheric pressures.
S4: taking out the carbon fiber plate primary material, injecting silicon-containing metal liquid into the carbon fiber plate primary material, and fusing the carbon fiber plate primary material and the carbon fiber plate primary material with each other, wherein most of the carbon fiber plate primary material is uniformly coated and fused on the surface during fusion, namely the silicon-containing metal liquid is coated on the surface of the carbon fiber plate primary material;
s5: and (5) molding at high temperature again, and cooling the prepared carbon fiber plate to obtain a finished product.
The carbon fiber plate prepared by the steps has good high-temperature resistance through mutual fusion of the carbon fiber material and the silicon-containing metal filler.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A high temperature resistant carbon fiber composite material is characterized in that: the composite material comprises the following components in parts by mass:
carbon fiber CFK: 70 percent;
inert gas: 1 percent;
silicon-containing metal filler: 29 percent.
2. A high temperature resistant carbon fiber composite material as claimed in claim 1, wherein: the inert gas is helium;
the silicon-containing metal filler comprises the following components: metallic silicon.
3. A high temperature resistant carbon fiber composite material as claimed in claim 2, wherein: the metal silicon is 98% of silicon-containing element, and the balance is 2% of iron or aluminum.
4. A preparation method of a high-temperature-resistant carbon fiber composite material is characterized by comprising the following steps: the method comprises the following steps:
s1: forming the carbon fiber composite material by an autoclave forming process to prepare a carbon fiber plate initial material, and controlling air pressure and temperature to ensure that the surface of the formed carbon fiber plate initial material is not completely cured;
s2: placing the carbon fiber plate primary material into an oven, injecting inert gas into the oven, and baking the carbon fiber plate primary material at a high temperature under a certain temperature and pressure condition to coke the carbon fiber plate primary material;
s3: continuously coking and baking the carbon fiber plate primary material in an oven to enable the surface of the carbon fiber plate primary material to have a cotton-like rough surface;
s4: taking out the carbon fiber plate initial material, injecting silicon-containing metal liquid into the carbon fiber plate initial material, and fusing the materials;
s5: and (5) molding at high temperature again.
5. The method for preparing the high-temperature-resistant carbon fiber composite material according to claim 4, wherein the method comprises the following steps: in the step S1, the temperature is 800-1200 ℃;
in the step S2, the baking temperature is 1200-2500 ℃.
6. The method for preparing the high-temperature-resistant carbon fiber composite material according to claim 5, wherein the method comprises the following steps: in the step S3, the baking temperature is 1500-2500 ℃.
7. The method for preparing the high-temperature-resistant carbon fiber composite material according to claim 4, wherein the method comprises the following steps: in the step S2, the inert gas is an inert gas not containing oxygen.
8. The method for preparing a high-temperature-resistant carbon fiber composite material according to claim 7, wherein the method comprises the following steps: the inert gas is helium.
9. The method for preparing the high-temperature-resistant carbon fiber composite material according to claim 4, wherein the method comprises the following steps: and after the step S5, cooling the prepared carbon fiber plate to obtain a finished product.
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| CN202010167895.3A CN111320483A (en) | 2020-03-11 | 2020-03-11 | High-temperature-resistant carbon fiber composite material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112694340A (en) * | 2020-12-25 | 2021-04-23 | 南京晓庄学院 | Preparation method of high-temperature-resistant carbon fiber composite material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332943A (en) * | 2013-06-04 | 2013-10-02 | 大连理工大学 | Microstructure design and performance control method for preparing carbon-ceramic-based composite materials based on liquid silicon melt infiltration method |
| CN108623320A (en) * | 2018-04-08 | 2018-10-09 | 中南大学 | A kind of automobile brake C/C-SiC composite materials, preparation method and application |
| CN108892523A (en) * | 2018-07-13 | 2018-11-27 | 中国航发北京航空材料研究院 | A kind of carbon ceramic composite material preparation method based on one-way tape technique |
-
2020
- 2020-03-11 CN CN202010167895.3A patent/CN111320483A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332943A (en) * | 2013-06-04 | 2013-10-02 | 大连理工大学 | Microstructure design and performance control method for preparing carbon-ceramic-based composite materials based on liquid silicon melt infiltration method |
| CN108623320A (en) * | 2018-04-08 | 2018-10-09 | 中南大学 | A kind of automobile brake C/C-SiC composite materials, preparation method and application |
| CN108892523A (en) * | 2018-07-13 | 2018-11-27 | 中国航发北京航空材料研究院 | A kind of carbon ceramic composite material preparation method based on one-way tape technique |
Non-Patent Citations (2)
| Title |
|---|
| 贾德昌等著: "《无机聚合物及其复合材料》", 31 March 2014, 哈尔滨工业大学出版社 * |
| 黄伯云主编: "《中国战略性新兴产业 新材料 碳/碳复合材料》", 31 December 2017, 中国铁道出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112694340A (en) * | 2020-12-25 | 2021-04-23 | 南京晓庄学院 | Preparation method of high-temperature-resistant carbon fiber composite material |
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Application publication date: 20200623 |