CN104529502A - Preparation method of carbon composite material - Google Patents
Preparation method of carbon composite material Download PDFInfo
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- CN104529502A CN104529502A CN201410564521.XA CN201410564521A CN104529502A CN 104529502 A CN104529502 A CN 104529502A CN 201410564521 A CN201410564521 A CN 201410564521A CN 104529502 A CN104529502 A CN 104529502A
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Abstract
The invention relates to a preparation method of a carbon composite material. The preparation method comprises the following steps: stacking an integral carbon felt, a flat plate felt and a piece of 1K carbon cloth to form a 2D prefabricated member, placing the prefabricated member in a resistance heating furnace for heating treatment, introducing argon gas to expel air in the furnace before heating begins in the resistance heating furnace, and heating kerosene in a furnace cavity of the resistance heating furnace, continuously introducing nitrogen gas until the furnace temperature is reduced to a room temperature during heating treatment of the resistance heating furnace, and cutting electric supply and turning off the furnace when the kerosene in the furnace cavity is exhausted. In this way, the carbon composite material can be obtained. The preparation method is simple and is short in period. By utilizing the preparation method, the compact carbon composite material can be obtained fast and efficiently, and the preparation cost is effectively reduced.
Description
Technical field
The present invention relates to field of composite material preparation, particularly relate to a kind of carbon composite preparation method.
Background technology
Carbon/carbon compound material is made up of carbon fiber and matrix carbon two portions, has superior thermomechanical property and still keeps the feature of its room-temperature mechanical property to make it have a wide range of applications in modern aerospace industry being the desirable selection of strategy and tactics weapon of new generation but the conventional preparation techniques loaded down with trivial details cycle of the C/C matrix material long high method for densifying sought rapidly and efficiently causing material cost is the task of top priority of investigation of materials personnel as the features such as high-strength and high-modulus ~ thermostability ~ high heat-conductivity conducting ability ~ low density ~ low thermal coefficient of expansion ~ resistance to ablation ~ corrosion-resistant ~ stable friction factor especially raise with temperature.
Summary of the invention
Technical problem to be solved by this invention is to provide that a kind of preparation method is simple, the cycle is short, rapidly and efficiently can obtain fine and close carbon composite, effectively reduces the carbon composite preparation method of preparation cost.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of carbon composite preparation method, comprises the steps:
Overall carbon felt, dull and stereotyped felt, 1K carbon cloth are laminated for 2D prefabricated component;
Prefabricated component is put into resistance heading furnace in order to heat treated;
Before resistance heading furnace heating, pass into argon gas and drive air in stove, in resistance heading furnace furnace chamber, heat kerosene;
When resistance heading furnace heat treated, continue to pass into nitrogen, until furnace temperature is down to room temperature;
Carbon composite is obtained when kerosene in furnace chamber exhausts power-off blowing out.
On the basis of technique scheme, the present invention can also do following improvement.
Further, being implemented as follows of heat treatment step prepared against by described resistance heading furnace of being put into by prefabricated component:
Fit corresponding with resistance heading furnace Heating tube size for prefabricated component in order to heat treated.
Further, describedly continue to pass into nitrogen when resistance heading furnace heat treated, until furnace temperature is down to being implemented as follows of room temperature step:
Resistance heading furnace, at 900 ~ 1200 DEG C of depositing temperatures, under pressure-fired condition, carries out heat treated to prefabricated component;
When resistance heading furnace heat treated, continue to pass into nitrogen according to 30 ~ 120L/h, until furnace temperature is down to room temperature.
The invention has the beneficial effects as follows: 1. preparation method is simple, the cycle is short;
2. rapidly and efficiently can obtain fine and close carbon composite;
3. preparation cost can be effectively reduced.
Accompanying drawing explanation
Fig. 1 is a kind of carbon composite preparation method of the present invention schematic flow sheet.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, a kind of carbon composite preparation method, comprises the steps:
Overall carbon felt, dull and stereotyped felt, 1K carbon cloth are laminated for 2D prefabricated component;
Prefabricated component is put into resistance heading furnace in order to heat treated;
Before resistance heading furnace heating, pass into argon gas and drive air in stove, in resistance heading furnace furnace chamber, heat kerosene;
When resistance heading furnace heat treated, continue to pass into nitrogen, until furnace temperature is down to room temperature;
Carbon composite is obtained when kerosene in furnace chamber exhausts power-off blowing out.
Embodiment 1:
Overall carbon felt, dull and stereotyped felt, 1K carbon cloth are laminated for 2D prefabricated component; Fit in order to heat treated by corresponding with resistance heading furnace Heating tube size for prefabricated component; Resistance heading furnace, at 900 DEG C of depositing temperatures, under pressure-fired condition, carries out heat treated to prefabricated component; When resistance heading furnace heat treated, continue to pass into nitrogen according to 30L/h, until furnace temperature is down to room temperature; Carbon composite is obtained when kerosene in furnace chamber exhausts power-off blowing out.
Embodiment 2:
Overall carbon felt, dull and stereotyped felt, 1K carbon cloth are laminated for 2D prefabricated component; Fit in order to heat treated by corresponding with resistance heading furnace Heating tube size for prefabricated component; Resistance heading furnace, at 1000 DEG C of depositing temperatures, under pressure-fired condition, carries out heat treated to prefabricated component; When resistance heading furnace heat treated, continue to pass into nitrogen according to 60L/h, until furnace temperature is down to room temperature; Carbon composite is obtained when kerosene in furnace chamber exhausts power-off blowing out.
Embodiment 3:
Overall carbon felt, dull and stereotyped felt, 1K carbon cloth are laminated for 2D prefabricated component; Fit in order to heat treated by corresponding with resistance heading furnace Heating tube size for prefabricated component; Resistance heading furnace, at 1200 DEG C of depositing temperatures, under pressure-fired condition, carries out heat treated to prefabricated component; When resistance heading furnace heat treated, continue to pass into nitrogen according to 120L/h, until furnace temperature is down to room temperature; Carbon composite is obtained when kerosene in furnace chamber exhausts power-off blowing out.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a carbon composite preparation method, is characterized in that, comprises the steps:
Overall carbon felt, dull and stereotyped felt, 1K carbon cloth are laminated for 2D prefabricated component;
Prefabricated component is put into resistance heading furnace in order to heat treated;
Before resistance heading furnace heating, pass into argon gas and drive air in stove, in resistance heading furnace furnace chamber, heat kerosene;
When resistance heading furnace heat treated, continue to pass into nitrogen, until furnace temperature is down to room temperature;
Carbon composite is obtained when kerosene in furnace chamber exhausts power-off blowing out.
2. a kind of carbon composite preparation method according to claim 1, is characterized in that, describedly prefabricated component is put into resistance heading furnace being implemented as follows in order to heat treatment step:
Fit corresponding with resistance heading furnace Heating tube size for prefabricated component in order to heat treated.
3. a kind of carbon composite preparation method according to claim 1, is characterized in that, describedly continues to pass into nitrogen when resistance heading furnace heat treated, until furnace temperature is down to being implemented as follows of room temperature step:
Resistance heading furnace, at 900 ~ 1200 DEG C of depositing temperatures, under pressure-fired condition, carries out heat treated to prefabricated component;
When resistance heading furnace heat treated, continue to pass into nitrogen according to 30 ~ 120L/h, until furnace temperature is down to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410564521.XA CN104529502A (en) | 2014-10-21 | 2014-10-21 | Preparation method of carbon composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410564521.XA CN104529502A (en) | 2014-10-21 | 2014-10-21 | Preparation method of carbon composite material |
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| Publication Number | Publication Date |
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| CN104529502A true CN104529502A (en) | 2015-04-22 |
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| CN201410564521.XA Pending CN104529502A (en) | 2014-10-21 | 2014-10-21 | Preparation method of carbon composite material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125691A (en) * | 2020-09-19 | 2020-12-25 | 山东天久高科新材料有限公司 | Preparation method of modified carbon-carbon composite material |
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2014
- 2014-10-21 CN CN201410564521.XA patent/CN104529502A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112125691A (en) * | 2020-09-19 | 2020-12-25 | 山东天久高科新材料有限公司 | Preparation method of modified carbon-carbon composite material |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20150422 |