CN109824375A - A kind of carbon at band bottom/carbon thin-wall barrel preparation method - Google Patents
A kind of carbon at band bottom/carbon thin-wall barrel preparation method Download PDFInfo
- Publication number
- CN109824375A CN109824375A CN201910290986.3A CN201910290986A CN109824375A CN 109824375 A CN109824375 A CN 109824375A CN 201910290986 A CN201910290986 A CN 201910290986A CN 109824375 A CN109824375 A CN 109824375A
- Authority
- CN
- China
- Prior art keywords
- carbon
- wall barrel
- thin
- carbon cloth
- band bottom
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention proposes a kind of carbon at band bottom/carbon thin-wall barrel preparation methods, include the following steps: step a, carbon cloth resin prepreg；Step b, carbon cloth laying, and carry out hot-press solidifying and carbonization；Step c, carbon/carbon thin-wall barrel cuts the carbon cloth through carbonization hardening according to the rectangular dimension of diametric requirements value design cylinder expansion, and processes sewing hole as required at suture end；Cylinder bottom plate cuts the carbon cloth through carbonization hardening according to barrel diameter size, and processes sewing hole as required at suture end；Step d, the carbon filament of suture site carries out cure process；Step e, CVD densification；Step f, high-temperature process.Present invention process is simple；Bulk strength is relatively high and bottom and cylinder suture strength are high, product good integrity；The life cycle of the product time is short, and dead size molding, cost is relatively low.
Description
Technical field
The present invention relates to a kind of carbon at band bottom/carbon thin-wall barrel preparation methods, belong to high temperature furnace used thermal field part and its system
Preparation Method field.
Background technique
Carbon/carbon thin wall cylinder product is one kind of high temperature furnace high temperature thermal field component.According to its wall Bao Tedian, it is mainly used in
The liner plate or backplate of low-density thermal insulation material improve the service life of furnace inside thermal conservation material for keeping out gas pickling.Carbon/carbon
Thin-wall barrel has the characteristics that have stable high-temperature performance as common carbon/carbon compound material, while also having wall thin, quality
Gently, the advantages such as occupy little space, and is widely used in high temperature furnace.
Such carbon/traditional technique of carbon thin wall cylinder product is prefabricated body formed fine and close method and filament winding process etc..It is Chinese special
Sharp ZL2009100225409, entitled " a kind of preparation method of carbon/carbon heat shields used for polysilicon hydriding furnances " are disclosed using cylinder
Shape carbon fiber precast body, by using chemical vapor infiltration densification, then method machined, that finished product is prepared after purification
Obtain charcoal/charcoal heat screen of high-purity.Such method has the production cycle long, generally requires 90-100 days and machining allowance
Greatly, the big deficiency of wastage.Current published application number 201810066865.6, it is entitled " a kind of winding process prepare carbon/
The method of carbon cylinder " discloses a kind of method for preparing cylinder using winding process, which can preferably realize thin-wall barrel
Product, but the tubular products product at band bottom relatively difficult to achieve.
The present invention is insufficient in view of the technique of the above-mentioned method of publication, proposes a kind of to realize by carbon filament suturing skill
Thin-walled, the carbon cylinder method for product bottom of with, the technique have the feature that with short production cycle, dead size forms, intensity is high, can satisfy
The requirement of such product in high temperature furnace.
Summary of the invention
The present invention is to solve the problems of the prior art and propose, technical solution is as follows,
A kind of carbon at band bottom/carbon thin-wall barrel preparation method, comprising the following steps:
Step a, selection 12K plain weave carbon cloth carries out resin prepreg；
Step b, by preimpregnation carbon cloth laying and hot-press solidifying molding and carbonization treatment are carried out；
Step c, it and to the cured carbon cloth that is carbonized cuts, it is made to meet carbon/carbon thin-wall barrel expansion rectangle ruler
It is very little, and cylinder bottom plate is cut out according to carbon/carbon thin-wall barrel diameter dimension, and process sewing hole at suture end；
Step d, sewing hole position sutures the carbon cloth cylinder to be formed the bottom of with using carbon filament, and utilizes resin and staple fiber fiber powder
Mixture is coated, and 160 DEG C of curing process are then carried out；
Step e, by after the deposition setting tooling assembly of the carbon cloth cylinder at the processed band bottom step d, chemical vapor deposition is carried out
Product densification CVD processing；
Step f, after assembling the carbon cloth cylinder at the processed band bottom step e with high-temperature shaping tooling, high-temperature process is carried out, most
The preparation carbon bottom of with/carbon thin-wall barrel eventually.
Preferably, the carbon cloth technical indicator to be reached is presoaked in the step a are as follows: resin content 30%~50%, volatilization
Divide less than 10%, insoluble resins content 5.0%~30%.
Preferably, in the step a, carbon cloth surface density is 200g/ ㎡~400g/ ㎡；The resin be phenolic resin or
Furfural acetone resin or furane resins, resin carbon residue >=50%.
Preferably, in the step b presoak carbon cloth laying be 1-3 layer, hot-press solidifying form after with a thickness of 0.5mm~
3.5mm。
Further, hot-press solidifying molding and carbonization technique in the step b are as follows: it is pre- to carry out carbon cloth using phenolic resin
Leaching, hot pressing temperature are 160 DEG C, hot pressing pressure >=1MPa, carburizing temperature >=750 DEG C；It is carried out using furfural resin or furane resins
Carbon cloth preimpregnation, hot pressing temperature are 180 DEG C, hot pressing pressure >=1MPa, carburizing temperature >=750 DEG C.
Preferably, carbon/carbon thin-wall barrel expansion rectangular dimension calculation method in the step c are as follows: L=3.14*2*R+M
+ (1.5~3), wherein
L is the long edge size of rectangle after carbon/carbon thin-wall barrel expansion；
R is carbon/carbon thin-wall barrel radius of design production；
M is reserved sewing zone length size；
It (1.5~3) is suture deviation margin.
Preferably, resin and staple fiber fiber powder mixture in the step d, are by phenolic resin and staple fiber fiber powder
Mass ratio (4~8): 1 ratio is configured, and the fiber size of staple fiber fiber powder is 0.5-2mm.
Preferably, it is graphite or low-density carbon/carbon compound material material that setting tooling is deposited in the step e, is located at band
Inside the carbon cloth cylinder at bottom, outer diameter is 1-2mm more smaller than the carbon cloth cylinder internal diameter bottom of with, is close to the carbon cloth cylinder inner wall bottom of with and sets
It sets；The carbon cloth cylinder at deposition setting tooling subsection filling band bottom, no less than 2 sections.
Preferably, CVD technique in the step e are as follows: 1000-1100 DEG C of temperature, carbon-source gas is propane, propylene or natural
Gas, furnace body pressure control 1000-4000Pa.
Preferably, the step f high temperature setting tooling is that graphite or low-density carbon/carbon compound material material, high temperature are fixed
Type tooling is 3-5mm smaller than the carbon cloth cylinder internal diameter bottom of with, reserved for the dilation dimension under high temperature.
Present invention process is simple, substantially reduces production cost and production cycle；The dead size machine-shaping of this technique has section
The characteristics of saving machining allowance, reducing production cost；Product structure design is all made of continuous fiber, and relative intensity is high；It for the first time will seam
It closes technique and is used for the preparation of carbon/carbon thin wall cylinder product, have the characteristics that good integrity.
Detailed description of the invention
Fig. 1 is the schematic diagram after the present invention is punched according to the rectangle carbon cloth that carbon/carbon thin-wall barrel size is cut out.
Fig. 2 is the enlarged drawing in the upper left corner after carbon of the present invention/carbon thin-wall barrel expansion.
Fig. 3 is the enlarged drawing in the upper right corner after carbon of the present invention/carbon thin-wall barrel expansion.
Fig. 4 is the enlarged drawing in the lower left corner after carbon of the present invention/carbon thin-wall barrel expansion.
Fig. 5 is the cutout after cylinder bottom plate punching of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.In the following examples, the experimental methods for specific conditions are not specified, usually according to normal
Rule condition, or according to the normal condition proposed by manufacturer, unless stated otherwise, ratio and percentage are based on weight.
A kind of carbon at band bottom/carbon thin-wall barrel preparation method, comprising the following steps:
Step a, selection 12K plain weave carbon cloth carries out resin prepreg, presoaks the carbon cloth technical indicator to be reached are as follows: resin content
30%~50%, volatile matter is less than 10%, insoluble resins content 5.0%~30%.Carbon cloth surface density is 200g/ ㎡~400g/
㎡；The resin is phenolic resin or furfural acetone resin or furane resins, resin carbon residue >=50%.
Step b, by preimpregnation carbon cloth laying and hot-press solidifying molding and carbonization treatment are carried out, presoaks carbon cloth in the step b
Laying is 1-3 layers, with a thickness of 0.5mm~3.5mm after hot-press solidifying molding.Hot-press solidifying molding and carbonization technique are as follows: use phenol
Urea formaldehyde carries out carbon cloth preimpregnation, and hot pressing temperature is 160 DEG C, hot pressing pressure >=1MPa, carburizing temperature >=750 DEG C；Use furfural tree
Rouge or furane resins carry out carbon cloth preimpregnation, and hot pressing temperature is 180 DEG C, hot pressing pressure >=1MPa, carburizing temperature >=750 DEG C.
Step c, it and to the cured carbon cloth that is carbonized cuts, it is made to meet carbon/carbon thin-wall barrel expansion rectangle ruler
It is very little, and cylinder bottom plate is cut out according to carbon/carbon thin-wall barrel diameter dimension, and process sewing hole, the suture end at suture end
The both ends of rectangle carbon cloth, the bottom end of rectangle carbon cloth after referring to the expansion of carbon/carbon thin-wall barrel and the cylinder bottom plate edge under cutting out, cylinder
Suture hole number on body bottom edge is consistent and corresponding with the suture hole number of rectangle carbon cloth lower end；Carbon/carbon thin-wall barrel exhibition
The rectangular dimension calculation method opened are as follows: L=3.14*2*R+M+ (1.5~3), wherein
L is the long edge size of rectangle after carbon/carbon thin-wall barrel expansion；
R is carbon/carbon thin-wall barrel radius of design production；
M is reserved sewing zone length size；
It (1.5~3) is suture deviation margin.
Step d, sewing hole position sutures the carbon cloth cylinder to be formed the bottom of with using carbon filament, and utilizes resin and staple fiber fiber powder
Mixture is coated, and 160 DEG C of curing process are then carried out；Resin and staple fiber fiber powder mixture, be by phenolic resin with
Staple fiber fiber powder mass ratio (4~8): 1 ratio is configured, and the fiber size of staple fiber fiber powder is 0.5-2mm.
Step e, by after the deposition setting tooling assembly of the carbon cloth cylinder at the processed band bottom step d, chemical vapor deposition is carried out
Product densification CVD processing；Depositing setting tooling is graphite or low-density carbon/carbon compound material material, in the carbon cloth cylinder bottom of with
Portion, outer diameter are 1-2mm more smaller than the carbon cloth cylinder internal diameter bottom of with, are close to the carbon cloth cylinder inner wall setting bottom of with；Deposition sizing work
The carbon cloth cylinder at dress subsection filling band bottom, no less than 2 sections.CVD technique are as follows: 1000-1100 DEG C of temperature, carbon-source gas is propane, third
Alkene or natural gas, furnace body pressure control 1000-4000Pa.
Step f, after assembling the carbon cloth cylinder at the processed band bottom step e with high-temperature shaping tooling, high-temperature process is carried out, most
The preparation carbon bottom of with/carbon thin-wall barrel eventually.High-temperature shaping tooling is that graphite or low-density carbon/carbon compound material material, high temperature are fixed
Type tooling is 3-5mm smaller than the carbon cloth cylinder internal diameter bottom of with, and reserved for the dilation dimension under high temperature, it is heavy that high-temperature shaping tooling is filled in
It is highly more than the half of carbon cloth cylinder height in product setting tooling.
Specific embodiment:
(1) selection 12K plain weave carbon cloth carries out resin prepreg, and preimpregnation carbon cloth reaches following technical indicator: resin content 30%
~50%, volatile matter is less than 10%, insoluble resins content 5.0%~30%；
(2) preimpregnation carbon cloth by 4 layers of laying is subjected to hot-press solidifying moldings and carbonization treatment, after carbonization treatment carbon plate with a thickness of
1.2-1.5mm；
(3) according to diametric requirements value design carbon/carbon thin-wall barrel expansion rectangular dimension, and to the carbon cloth through carbonization hardening
It is cut, forms rectangle carbon cloth, design size 760*520mm is first set on carbon cloth according to design size when cutting out
Graticule is counted, post-production sewing hole is facilitated, processes sewing hole, hole row as required in the left and right ends of rectangle carbon cloth and upper and lower ends
Number can be arranged for 8-12, and the present embodiment selects 12 rows, and 6 rows, aperture 4mm, the horizontal spacing in hole are distinguished in the left and right ends of rectangle carbon cloth
8mm, vertical spacing 10mm, apart from rectangle carbon cloth upper and lower ends edge having a size of 10mm, left and right ends apart from rectangle carbon cloth away from
From for 2mm；The upper and lower ends edge of rectangle carbon cloth processes sewing hole, pitch of holes 8mm, and pitch-row rectangle carbon cloth edge is 7mm, rectangle
Two sewing holes on the outermost side of the upper and lower ends edge processing of carbon cloth are 2mm apart from rectangle carbon cloth left and right ends edge,
As shown in Figs 1-4；Equally, cylinder bottom plate cuts the carbon cloth through carbonization hardening according to carbon/carbon thin-wall barrel diameter dimension,
Cylinder bottom plate outer diameter Φ 240mm, and sewing hole is processed as required at cylinder bottom plate edge, sewing hole aperture 4mm sutures hole number
It is consistent with the suture hole number of rectangle carbon cloth lower end, it is in one-to-one relationship, as shown in Figure 5；Above-mentioned size is with the center of circle in hole
For basic point calculating.
(4) carbon filament suture is carried out according to the hole location of design, the carbon cloth cylinder bottom of with is formed, by suture site after the completion of suture
Carbon filament is coated using resin and staple fiber fiber powder mixture, and carries out 160 DEG C of curing process；
(5) by the deposition setting tooling assembly of the carbon cloth cylinder at step (4) processed band bottom, chemical vapor deposition cause is carried out
Close CVD processing.CVD technique are as follows: temperature: 1000-1100 DEG C, carbon-source gas is propane, propylene or natural gas etc.；Furnace body pressure control:
1000-4000Pa；
(6) the high-temperature shaping tooling of the carbon cloth cylinder bottom of with for completing deposition is assembled, carries out high-temperature process, completes dead size
The carbon bottom of with/carbon thin-wall barrel.
This method can fast implement the carbon bottom of with/carbon thin-wall barrel production preparation, can be used for low-density in high temperature furnace and protect
The isolating and protecting product of adiabator improves the service life of furnace inside thermal conservation material.The process have it is innovative, simply easily push away
Wide advantage.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of carbon at band bottom/carbon thin-wall barrel preparation method, comprising the following steps:
Step a, selection 12K plain weave carbon cloth carries out resin prepreg；
Step b, by preimpregnation carbon cloth laying and hot-press solidifying molding and carbonization treatment are carried out；
Step c, it and to the cured carbon cloth that is carbonized cuts, it is made to meet carbon/carbon thin-wall barrel expansion rectangular dimension, and
Cylinder bottom plate is cut out according to carbon/carbon thin-wall barrel diameter dimension, and processes sewing hole at suture end；
Step d, sewing hole position sutures the carbon cloth cylinder to be formed the bottom of with using carbon filament, and is mixed using resin with staple fiber fiber powder
Object is coated, and 160 DEG C of curing process are then carried out；
Step e, by after the deposition setting tooling assembly of the carbon cloth cylinder at the processed band bottom step d, chemical vapor deposition cause is carried out
Close CVD processing；
Step f, after assembling the carbon cloth cylinder at the processed band bottom step e with high-temperature shaping tooling, high-temperature process is carried out, it is final to make
The standby carbon bottom of with/carbon thin-wall barrel.
2. a kind of carbon at band bottom according to claim 1/carbon thin-wall barrel preparation method, it is characterised in that: the step a
The middle preimpregnation carbon cloth technical indicator to be reached are as follows: resin content 30%~50%, volatile matter is less than 10%, insoluble resins content
5.0%~30%.
3. a kind of carbon at band bottom according to claim 1/carbon thin-wall barrel preparation method, it is characterised in that: the step a
In, carbon cloth surface density is 200g/ ㎡~400g/ ㎡；The resin is that phenolic resin or furfural acetone resin or furane resins, resin are residual
Charcoal value >=50%.
4. a kind of carbon at band bottom according to claim 1/carbon thin-wall barrel preparation method, it is characterised in that: the step b
Middle preimpregnation carbon cloth laying is 1-3 layers, with a thickness of 0.5mm~3.5mm after hot-press solidifying molding.
5. a kind of carbon at band bottom according to claim 3/carbon thin-wall barrel preparation method, it is characterised in that: the step b
Middle hot-press solidifying molding and carbonization technique are as follows: carry out carbon cloth preimpregnation using phenolic resin, hot pressing temperature is 160 DEG C, hot pressing pressure
>=1MPa, carburizing temperature >=750 DEG C；Carbon cloth preimpregnation is carried out using furfural resin or furane resins, hot pressing temperature is 180 DEG C, heat
Pressure pressure >=1MPa, carburizing temperature >=750 DEG C.
6. a kind of carbon at band bottom according to claim 1/carbon thin-wall barrel preparation method, it is characterised in that: the step c
Middle carbon/carbon thin-wall barrel expansion rectangular dimension calculation method are as follows: L=3.14*2*R+M+ (1.5~3), wherein
L is the long edge size of rectangle after carbon/carbon thin-wall barrel expansion；
R is carbon/carbon thin-wall barrel radius of design production；
M is reserved sewing zone length size；
It (1.5~3) is suture deviation margin.
7. a kind of carbon at band bottom according to claim 1/carbon thin-wall barrel preparation method, it is characterised in that: the step d
Middle resin and staple fiber fiber powder mixture, be by phenolic resin and staple fiber fiber powder mass ratio (4~8): 1 ratio is matched
It sets, the fiber size of staple fiber fiber powder is 0.5-2mm.
8. a kind of carbon at band bottom according to claim 1/carbon thin-wall barrel preparation method, it is characterised in that: the step e
Middle deposition setting tooling is graphite or low-density carbon/carbon compound material material, inside the carbon cloth cylinder bottom of with, outer diameter
It is 1-2mm more smaller than the carbon cloth cylinder internal diameter bottom of with, it is close to the carbon cloth cylinder inner wall setting bottom of with；Deposit setting tooling subsection filling band bottom
Carbon cloth cylinder, no less than 2 sections.
9. a kind of carbon at band bottom according to claim 1/carbon thin-wall barrel preparation method, it is characterised in that: the step e
Middle CVD technique are as follows: 1000-1100 DEG C of temperature, carbon-source gas is propane, propylene or natural gas, furnace body pressure control 1000-4000Pa.
10. a kind of carbon at band bottom according to claim 1/carbon thin-wall barrel preparation method, it is characterised in that: the step
F high temperature setting tooling is graphite or low-density carbon/carbon compound material material, and high-temperature shaping tooling is than the carbon cloth cylinder internal diameter bottom of with
Small 3-5mm, it is reserved for the dilation dimension under high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910290986.3A CN109824375A (en) | 2019-04-11 | 2019-04-11 | A kind of carbon at band bottom/carbon thin-wall barrel preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910290986.3A CN109824375A (en) | 2019-04-11 | 2019-04-11 | A kind of carbon at band bottom/carbon thin-wall barrel preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109824375A true CN109824375A (en) | 2019-05-31 |
Family
ID=66874414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910290986.3A Pending CN109824375A (en) | 2019-04-11 | 2019-04-11 | A kind of carbon at band bottom/carbon thin-wall barrel preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109824375A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116135819A (en) * | 2023-02-10 | 2023-05-19 | 中南大学 | Preparation method and application of ultra-thin carbon-ceramic composite material spray pipe extension section |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796334A (en) * | 2004-12-27 | 2006-07-05 | 陈瑾惠 | Carbon/Carbon Composite material and mfg. method thereof |
| CN101591178A (en) * | 2008-05-30 | 2009-12-02 | 鞍山塞诺达碳纤维有限公司 | The manufacturing of rigid carbon-fiber heat-insulation material and surface treatment method |
| CN103523216A (en) * | 2013-07-10 | 2014-01-22 | 西安航空制动科技有限公司 | Carbon-carbon composite material guide rail and preparation method thereof |
| CN105924199A (en) * | 2016-04-27 | 2016-09-07 | 航天材料及工艺研究所 | Rapid preparation method of low-cost carbon/carbon composite material |
| US20160285083A1 (en) * | 2015-03-27 | 2016-09-29 | Qing Fang | Process for producing silicon nanowires directly from silicon particles |
| CN106083122A (en) * | 2016-06-08 | 2016-11-09 | 航天材料及工艺研究所 | A kind of abnormity flange closes load frame integral forming method |
| CN108046821A (en) * | 2018-01-24 | 2018-05-18 | 航天睿特碳材料有限公司 | A kind of preparation method of polycrystalline silicon ingot or purifying furnace carbon carbon lid plate |
| CN108191448A (en) * | 2018-01-24 | 2018-06-22 | 航天睿特碳材料有限公司 | A kind of method that winding process prepares carbon/carbon cylinder |
| CN109437956A (en) * | 2018-12-25 | 2019-03-08 | 深圳市驭晟新材料科技有限公司 | The carbon carbon composite plate and preparation method thereof quickly prepared suitable for pressure sintering |
-
2019
- 2019-04-11 CN CN201910290986.3A patent/CN109824375A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796334A (en) * | 2004-12-27 | 2006-07-05 | 陈瑾惠 | Carbon/Carbon Composite material and mfg. method thereof |
| CN101591178A (en) * | 2008-05-30 | 2009-12-02 | 鞍山塞诺达碳纤维有限公司 | The manufacturing of rigid carbon-fiber heat-insulation material and surface treatment method |
| CN103523216A (en) * | 2013-07-10 | 2014-01-22 | 西安航空制动科技有限公司 | Carbon-carbon composite material guide rail and preparation method thereof |
| US20160285083A1 (en) * | 2015-03-27 | 2016-09-29 | Qing Fang | Process for producing silicon nanowires directly from silicon particles |
| CN105924199A (en) * | 2016-04-27 | 2016-09-07 | 航天材料及工艺研究所 | Rapid preparation method of low-cost carbon/carbon composite material |
| CN106083122A (en) * | 2016-06-08 | 2016-11-09 | 航天材料及工艺研究所 | A kind of abnormity flange closes load frame integral forming method |
| CN108046821A (en) * | 2018-01-24 | 2018-05-18 | 航天睿特碳材料有限公司 | A kind of preparation method of polycrystalline silicon ingot or purifying furnace carbon carbon lid plate |
| CN108191448A (en) * | 2018-01-24 | 2018-06-22 | 航天睿特碳材料有限公司 | A kind of method that winding process prepares carbon/carbon cylinder |
| CN109437956A (en) * | 2018-12-25 | 2019-03-08 | 深圳市驭晟新材料科技有限公司 | The carbon carbon composite plate and preparation method thereof quickly prepared suitable for pressure sintering |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116135819A (en) * | 2023-02-10 | 2023-05-19 | 中南大学 | Preparation method and application of ultra-thin carbon-ceramic composite material spray pipe extension section |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106565261B (en) | A kind of method that precursor infiltration and pyrolysis method prepares SiC/SiC composite material pin | |
| KR100447840B1 (en) | Manufacturing method for carbon-carbon composites | |
| US6691393B2 (en) | Wear resistance in carbon fiber friction materials | |
| RU2689618C2 (en) | Method of making gas turbine engine blade from composite material | |
| GB2512421B (en) | Method for manufacturing an oxide/oxide composite material turbomachine blade provided with internal channels | |
| CN105130483B (en) | Compound quartz pottery antenna covering cover body compression-molding method and its special compression mould | |
| CN102180695B (en) | Wave-absorbing ceramic made of silicon carbide composite material and preparation method thereof | |
| CN110105079A (en) | A kind of preparation method of Carbon fibe sewing hardening heat preservation cylinder | |
| US11261547B2 (en) | Reinforcing fiber structure for composite material parts with great variation of thickness | |
| CN113956061B (en) | Preparation method of continuous fiber reinforced ceramic matrix composite screw | |
| CN106515045A (en) | Automatic laying molding method for composite connection skirt | |
| CN109824375A (en) | A kind of carbon at band bottom/carbon thin-wall barrel preparation method | |
| CN112060620A (en) | Carbon-carbon heat-preserving cylinder forming process | |
| CN114484506B (en) | Shaping mold for ceramic matrix composite single-head flame tube and preparation method | |
| US6277313B1 (en) | Combination continuous woven-fiber and discontinuous ceramic-fiber structure | |
| KR20150013847A (en) | Method for producing a heat insulating body | |
| CN103880455B (en) | Steel cord strengthens the preparation method of graphitic carbonaceous silica crucible | |
| US20040074075A1 (en) | Wear resistance in carbon fiber friction materials | |
| US20200254698A1 (en) | Production in composite material of a lobed structure of a flow mixer | |
| US20180266327A1 (en) | Flow devices and methods of making the same | |
| US11738521B2 (en) | Process for manufacturing a fibrous preform for reinforcement of parts made of composite material with a high local variation in thickness | |
| US11649865B2 (en) | Shaped material and manufacturing method | |
| CN218404491U (en) | Concatenation carbon heat preservation section of thick bamboo | |
| CN110550963A (en) | Preparation method of thin-wall C/SiC extension section | |
| CN112374904A (en) | Carbon/carbon heat shield and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190531 |
|
| RJ01 | Rejection of invention patent application after publication |