CN106917137A - Carbon carbon thin wall cylinder and its manufacture craft - Google Patents
Carbon carbon thin wall cylinder and its manufacture craft Download PDFInfo
- Publication number
- CN106917137A CN106917137A CN201710190655.3A CN201710190655A CN106917137A CN 106917137 A CN106917137 A CN 106917137A CN 201710190655 A CN201710190655 A CN 201710190655A CN 106917137 A CN106917137 A CN 106917137A
- Authority
- CN
- China
- Prior art keywords
- carbon
- thin wall
- wall cylinder
- layer
- carbon thin
- 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
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000011203 carbon fibre reinforced carbon Substances 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 24
- 239000004744 fabric Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 19
- 239000003610 charcoal Substances 0.000 claims description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- 238000005229 chemical vapour deposition Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 5
- 239000005011 phenolic resin Substances 0.000 claims description 5
- 238000003763 carbonization Methods 0.000 claims description 3
- 239000003345 natural gas Substances 0.000 claims description 3
- -1 phenolic aldehyde Chemical class 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000005137 deposition process Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052710 silicon Inorganic materials 0.000 abstract description 2
- 239000010703 silicon Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 39
- 239000011229 interlayer Substances 0.000 description 3
- 241000283725 Bos Species 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000005019 vapor deposition process Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
Abstract
The invention discloses a kind of carbon carbon thin wall cylinder and its manufacture craft, including cylinder, the cylinder is made up of top layer, intermediate layer and bottom, the first packed layer is provided between the top layer and the intermediate layer, the second packed layer is provided between the intermediate layer and the bottom, passes through resin bonding between the top layer and first packed layer, between first packed layer and the intermediate layer, between the intermediate layer and second packed layer and second packed layer and the bottom between.The present invention uses the carbon carbon thin wall cylinder and its manufacture craft of said structure, meet the characteristics of carbon carbon thin wall cylinder intensity is high, weight is low, operating efficiency can be farthest improved, the inner load-space of monocrystaline silicon stove crucible and heat shielding is improve, carbon carbon products suit production capacity is improve.
Description
Technical field
The present invention relates to the processing technique field of carbon carbon composite thin wall cylinder, more particularly, to a kind of carbon carbon thin wall cylinder and
Its manufacture craft.
Background technology
Wound using graphite material or charcoal cloth more than current single crystal growing furnace heat-preservation cylinder, this heat-preservation cylinder rapid wear and taken up room
Greatly, use carbon carbon composite the outer courage of crucible, heat shielding in current thermal field of monocrystalline silicon furnace material in addition, carbon carbon crucible, heat shielding are compiled more
Knit volume density only 0.4-0.5g/cm3, easily deform, when first time density is shaped more to use wall thickness be the graphite of more than 10mm
Frock, graphite frock wall thickness and quality are big, not easy to operate.Tradition charcoal cloth directly winds, resin makes thin-walled as binding agent
Cylinder, interlayer structure is the structure that charcoal cloth adds resin plus charcoal cloth, the thin wall cylinder interlayer knot of this structure in the technique of making thin wall cylinder
It is poor with joint efforts and resin charing during can produce stomata, bond strength can be also reduced, so as to reduce performance.
The content of the invention
It is an object of the invention to provide a kind of carbon carbon thin wall cylinder and its manufacture craft, meet carbon carbon thin wall cylinder intensity it is high,
The characteristics of weight is low, can farthest improve operating efficiency, improve the inner space of crucible and heat shielding, improve suit
Carbon carbon products ability.
To achieve the above object, the invention provides a kind of carbon carbon thin wall cylinder, including cylinder, the cylinder by top layer, in
Interbed and bottom are constituted, and the first packed layer, the intermediate layer and the bottom are provided between the top layer and the intermediate layer
Between be provided with the second packed layer, between the top layer and first packed layer, first packed layer and the intermediate layer
Between, it is viscous by resin and second packed layer and the bottom between the intermediate layer and second packed layer
Connect.
Preferably, the top layer and the bottom are 12K polyacrylonitrile base carbon cloth.
Preferably, the intermediate layer is laminated cloth.
Preferably, first packed layer and second packed layer are 12K carbon fiber bundles.
Preferably, the resin is phenolic resin, and carbon yield is 40% to 60% in the phenolic resin.
A kind of manufacture craft of carbon carbon thin wall cylinder, comprises the following steps：
A, making matrix：It is 1.1 grams per cubic centimeter according to thin wall cylinder density after charing, calculates the quantity for spray of resin,
Mould is placed, charcoal cloth, fibre bundle, laminated cloth, fibre bundle and charcoal cloth is wound successively on mould, one layer of spraying one is often wound
Layer mixed liquor, obtains carbon carbon thin wall cylinder matrix, and the mixed liquor is made by resin and absolute ethyl alcohol；
B, charing process：Put carbon carbon thin wall cylinder into retort, heated up, be incubated charing, then take off mould,
Carbon carbon thin wall cylinder after being carbonized；
C, high-temperature process：Carbon carbon thin wall cylinder after above-mentioned charing is put into high temperature furnace and is processed, treatment temperature is 1700-
1900 degrees Celsius；Ash content and impurity in removal thin wall cylinder；
D, chemical vapor deposition process：Carbon carbon thin wall cylinder after above-mentioned high-temperature process is carried out into chemical vapor deposition, is being changed
Carbon-source gas are passed through in vapor deposition processes, the vacuum inside control has obtained the carbon carbon thin wall cylinder of required density；
E, mechanical treatment：Above-mentioned carbon carbon thin wall cylinder is carried out into following process, is repaired, obtain the carbon carbon thin-walled of size requirement
Cylinder.
Preferably, the resin in the step A is not less than 4 with the mass ratio of absolute ethyl alcohol:1.
Preferably, the winding dynamics is 320-520 oxen.
Preferably, carbonization temperature is 900 degrees Celsius in the step B, and programming rate is not more than 100 degrees Celsius/hour, is protected
The warm time is 2-3 hours.
Preferably, the carbon-source gas in the step D are natural gas, and vacuum is 1000-3000 handkerchiefs.
Therefore, the present invention meets carbon carbon thin wall cylinder intensity using the carbon carbon thin wall cylinder and its manufacture craft of said structure
It is high, the characteristics of weight is low, can farthest improve operating efficiency, improve the inner load of monocrystaline silicon stove crucible and heat shielding
Space, improves carbon carbon products suit production capacity.
Below by drawings and Examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is a kind of structural representation of carbon carbon thin wall cylinder embodiment of the invention；
Fig. 2 is a kind of front view of carbon carbon thin wall cylinder embodiment of the invention；
Fig. 3 is the fabrication processing figure of a kind of carbon carbon thin wall cylinder of the invention and its manufacture craft embodiment.
Specific embodiment
Embodiment
Fig. 1 is a kind of structural representation of carbon carbon thin wall cylinder embodiment of the invention；Fig. 2 is a kind of carbon carbon thin wall cylinder of the invention
The front view of embodiment；As illustrated, the invention provides a kind of carbon carbon thin wall cylinder, including cylinder, the cylinder by top layer 1,
Intermediate layer 2 and bottom 3 are constituted, and the first packed layer 4 is provided between top layer 1 and intermediate layer 2, are set between intermediate layer 2 and bottom 3
There is the second packed layer 5, between the packed layer 4 of top layer 1 and first, between the first packed layer 4 and intermediate layer 2, intermediate layer 2 fills out with second
Fill between layer 5 be bonded by resin 6 and the second packed layer 5 and bottom 3 between, the thin wall cylinder interlayer structure that the present invention is used for
Charcoal cloth adds resin plus carbon fiber bundle plus resin plus laminated cloth plus resin plus carbon fiber bundle plus resin plus charcoal cloth, the presence of carbon fiber bundle
High degree improves interfacial bonding strength, and in resin carbonizes metapore gap and filled by carbon fiber bundle, this after high-temperature process
Filling is fuller, and structure is more uniform.
Top layer 1 and bottom 3 are 12K polyacrylonitrile base carbon cloth.
Intermediate layer 2 is laminated cloth.
First packed layer 4 and the second packed layer 5 are 12K carbon fiber bundles.
Resin 6 is phenolic resin, and carbon yield is 40% to 60% in the phenolic resin.
Fig. 3 is the fabrication processing figure of a kind of carbon carbon thin wall cylinder of the invention and its manufacture craft embodiment, as illustrated,
A kind of manufacture craft of carbon carbon thin wall cylinder, comprises the following steps：
A, making matrix：It is 1.1 grams per cubic centimeter according to thin wall cylinder density after charing, calculates the quantity for spray of resin,
Mould is placed, charcoal cloth, fibre bundle, laminated cloth, fibre bundle and charcoal cloth is wound successively on mould, one layer of spraying one is often wound
Layer mixed liquor, obtains carbon carbon thin wall cylinder matrix, and winding dynamics is 320-520 oxen, and the mixed liquor is by resin and absolute ethyl alcohol system
Form, resin is not less than 4 with the mass ratio of absolute ethyl alcohol:1；
B, charing process：Put carbon carbon thin wall cylinder into retort, heated up, be incubated charing, carbonization temperature is 900 Celsius
Degree, soaking time is 2-3 hours, is then taken off mould, the carbon carbon thin wall cylinder after being carbonized；
C, high-temperature process：Carbon carbon thin wall cylinder after above-mentioned charing is put into high temperature furnace and is processed, treatment temperature is 1700-
1900 degrees Celsius, high-temperature process ensure that Stress Release, even structure；
D, chemical vapor deposition process：Carbon carbon thin wall cylinder after above-mentioned high-temperature process is carried out into chemical vapor deposition, is being changed
Carbon-source gas are passed through in vapor deposition processes, carbon-source gas are natural gas, the vacuum inside control, vacuum is 1000-
3000 handkerchiefs, have obtained the carbon carbon thin wall cylinder of density requirements, and chemical vapor deposition can increase the density of carbon carbon thin wall cylinder, and control is true
Reciprocal of duty cycle ensure that thin wall cylinder surface pyrolytic carbon intensity；
E, mechanical treatment：Above-mentioned carbon carbon thin wall cylinder is carried out into following process, is repaired, obtained carbon carbon thin wall cylinder, carry out machine
Tool treatment can ensure size.
Therefore, the present invention meets carbon carbon thin wall cylinder intensity using the carbon carbon thin wall cylinder and its manufacture craft of said structure
It is high, the characteristics of weight is low, can farthest improve operating efficiency, improve the inner space of crucible and heat shielding, improve
Suit carbon carbon products ability.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited,
Although being described in detail to the present invention with reference to preferred embodiment, it will be understood by those within the art that：Its according to
Technical scheme can so be modified or equivalent, and these modifications or equivalent can not also make to repair
Technical scheme after changing departs from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a kind of carbon carbon thin wall cylinder, including cylinder, it is characterised in that：The cylinder is made up of top layer, intermediate layer and bottom, described
The first packed layer is provided between top layer and the intermediate layer, the second filling is provided between the intermediate layer and the bottom
Layer, between the top layer and first packed layer, between first packed layer and the intermediate layer, the intermediate layer and institute
State and pass through resin bonding between the second packed layer and second packed layer and the bottom between.
2. carbon carbon thin wall cylinder according to claim 1, it is characterised in that：The top layer and the bottom are 12K poly- third
Alkene itrile group charcoal cloth.
3. carbon carbon thin wall cylinder according to claim 2, it is characterised in that：The intermediate layer is laminated cloth.
4. carbon carbon thin wall cylinder according to claim 3, it is characterised in that：First packed layer and second packed layer
It is 12K carbon fiber bundles.
5. carbon carbon thin wall cylinder according to claim 4, it is characterised in that：The resin is phenolic resin, the phenolic aldehyde tree
Carbon yield is 40% to 60% in fat.
6. the manufacture craft of a kind of carbon carbon thin wall cylinder as described in claim 1-5, it is characterised in that comprise the following steps：
A, making matrix：It is 1.1 grams per cubic centimeter according to thin wall cylinder density after charing, the quantity for spray of resin is calculated, by mould
Tool is placed, and winds charcoal cloth, fibre bundle, laminated cloth, fibre bundle and charcoal cloth successively on mould, is often wound one layer of one layer of spraying and is mixed
Liquid is closed, carbon carbon thin wall cylinder matrix is obtained, the mixed liquor is made by resin and absolute ethyl alcohol；
B, charing process：Put carbon carbon thin wall cylinder into retort, heated up, be incubated charing, then take off mould, obtain
Carbon carbon thin wall cylinder after charing；
C, high-temperature process：Carbon carbon thin wall cylinder after above-mentioned charing is put into high temperature furnace and is processed, treatment temperature is taken the photograph for 1700-1900
Family name's degree, ash content and impurity in removal thin wall cylinder；
D, chemical vapor deposition process：Carbon carbon thin wall cylinder after above-mentioned high-temperature process is carried out into chemical vapor deposition, in chemical gas
Carbon-source gas are passed through in phase deposition process, the vacuum inside control has obtained the carbon carbon thin wall cylinder of required density；
E, mechanical treatment：Above-mentioned carbon carbon thin wall cylinder is carried out into following process, is repaired, obtain the carbon carbon thin wall cylinder of size requirement.
7. the manufacture craft of carbon carbon thin wall cylinder according to claim 6, it is characterised in that：Resin in the step A with
The mass ratio of absolute ethyl alcohol is not less than 4:1.
8. the manufacture craft of carbon carbon thin wall cylinder according to claim 6, it is characterised in that：The winding dynamics is 320-
520 Ns.
9. the manufacture craft of carbon carbon thin wall cylinder according to claim 6, it is characterised in that：Carbonization temperature in the step B
It it is 900 degrees Celsius, programming rate is not more than 100 degrees Celsius/hour, soaking time is 2-3 hours.
10. the manufacture craft of carbon carbon thin wall cylinder according to claim 6, it is characterised in that：Carbon source gas in the step D
Body is natural gas, and vacuum is 1000-3000 handkerchiefs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190655.3A CN106917137A (en) | 2017-03-28 | 2017-03-28 | Carbon carbon thin wall cylinder and its manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190655.3A CN106917137A (en) | 2017-03-28 | 2017-03-28 | Carbon carbon thin wall cylinder and its manufacture craft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106917137A true CN106917137A (en) | 2017-07-04 |
Family
ID=59460305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710190655.3A Pending CN106917137A (en) | 2017-03-28 | 2017-03-28 | Carbon carbon thin wall cylinder and its manufacture craft |
Country Status (1)
| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354507A (en) * | 2018-11-02 | 2019-02-19 | 西安超码科技有限公司 | A kind of production method of novel long-life carbon/carbon composite material crucible precast body |
| CN113927714A (en) * | 2021-10-15 | 2022-01-14 | 西安美兰德新材料有限责任公司 | Carbon-carbon combined hot-pressing mold and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11343177A (en) * | 1998-03-31 | 1999-12-14 | Toho Rayon Co Ltd | High temperature pressure molding furnace member consisting of carbon fiber reinforced carbon composite material and its production |
| WO2009024045A1 (en) * | 2007-08-21 | 2009-02-26 | Hunan Kingbo Carbon-Carbon Composites Co. Ltd | A c/c composite crucible and a producing method thereof |
| CN101445377A (en) * | 2008-12-31 | 2009-06-03 | 西安超码科技有限公司 | Method for preparing high temperature furnace used carbon/carbon insulating cylinders |
| CN101905977A (en) * | 2010-08-04 | 2010-12-08 | 蒋建纯 | Method for manufacturing integral heater for carbon/carbon polycrystalline silicon ingot furnace |
| CN102206852A (en) * | 2011-04-26 | 2011-10-05 | 湖南金博复合材料科技有限公司 | Heat preservation barrel made of carbon/carbon compound material and preparation method thereof |
| CN103396139A (en) * | 2013-08-05 | 2013-11-20 | 东莞市凯鹏复合材料有限公司 | Manufacturing method of carbon/carbon crucible |
-
2017
- 2017-03-28 CN CN201710190655.3A patent/CN106917137A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11343177A (en) * | 1998-03-31 | 1999-12-14 | Toho Rayon Co Ltd | High temperature pressure molding furnace member consisting of carbon fiber reinforced carbon composite material and its production |
| WO2009024045A1 (en) * | 2007-08-21 | 2009-02-26 | Hunan Kingbo Carbon-Carbon Composites Co. Ltd | A c/c composite crucible and a producing method thereof |
| CN101445377A (en) * | 2008-12-31 | 2009-06-03 | 西安超码科技有限公司 | Method for preparing high temperature furnace used carbon/carbon insulating cylinders |
| CN101905977A (en) * | 2010-08-04 | 2010-12-08 | 蒋建纯 | Method for manufacturing integral heater for carbon/carbon polycrystalline silicon ingot furnace |
| CN102206852A (en) * | 2011-04-26 | 2011-10-05 | 湖南金博复合材料科技有限公司 | Heat preservation barrel made of carbon/carbon compound material and preparation method thereof |
| CN103396139A (en) * | 2013-08-05 | 2013-11-20 | 东莞市凯鹏复合材料有限公司 | Manufacturing method of carbon/carbon crucible |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354507A (en) * | 2018-11-02 | 2019-02-19 | 西安超码科技有限公司 | A kind of production method of novel long-life carbon/carbon composite material crucible precast body |
| CN113927714A (en) * | 2021-10-15 | 2022-01-14 | 西安美兰德新材料有限责任公司 | Carbon-carbon combined hot-pressing mold and preparation method thereof |
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Effective date of abandoning: 20240202 |