CN1544536A - Carbon/carbon composite material anti-oxydation coating - Google Patents
Carbon/carbon composite material anti-oxydation coating Download PDFInfo
- Publication number
- CN1544536A CN1544536A CNA2003101151195A CN200310115119A CN1544536A CN 1544536 A CN1544536 A CN 1544536A CN A2003101151195 A CNA2003101151195 A CN A2003101151195A CN 200310115119 A CN200310115119 A CN 200310115119A CN 1544536 A CN1544536 A CN 1544536A
- Authority
- CN
- China
- Prior art keywords
- carbon
- composite material
- coating
- carbon composite
- oxidation
- 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.)
- Granted
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 48
- 238000000576 coating method Methods 0.000 title claims abstract description 25
- 239000011248 coating agent Substances 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000007254 oxidation reaction Methods 0.000 title abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 239000010703 silicon Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- ZOXJGFHDIHLPTG-BJUDXGSMSA-N Boron-10 Chemical compound [10B] ZOXJGFHDIHLPTG-BJUDXGSMSA-N 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract 2
- 150000003016 phosphoric acids Chemical class 0.000 claims description 6
- 238000007669 thermal treatment Methods 0.000 claims description 6
- 230000001680 brushing effect Effects 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 abstract description 13
- 239000012299 nitrogen atmosphere Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 2
- CUXQLKLUPGTTKL-UHFFFAOYSA-M microcosmic salt Chemical compound [NH4+].[Na+].OP([O-])([O-])=O CUXQLKLUPGTTKL-UHFFFAOYSA-M 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- -1 stirring evenly Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 6
- 230000004580 weight loss Effects 0.000 description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 3
- 230000004087 circulation Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Ceramic Products (AREA)
- Braking Arrangements (AREA)
Abstract
A carbon / carbon composite material oxidation-resistant coating comprises the components (by weight portion) of silicon 10%-15%, boron 10%-15%, microcosmic salt 60%-70%, aluminum oxide 5%-10%, the preparation process comprises mixing the four substances, stirring evenly , coating the surface of carbon/carbon composite material, heat treating 2-3 hours (nitrogen atmosphere) at 800 deg. C to 900 deg. C, wherein the coating and high temperature heat treatment processes are carried out under atmospheric pressure.
Description
Affiliated technical field
The present invention relates to a kind of carbon/carbon composite material oxidation-proof coating.
Background technology
Since the C/C matrix material temperature be higher than 370 ℃ oxygen atmosphere is arranged the time just begin to take place oxidizing reaction, make the physicals and the rapid deterioration of mechanical property of material, when oxidation weight loss reaches 10%, will have a strong impact on the performance of material.Concerning airplane carbon brake disc, will influence braking efficiency, even cause brake to be lost efficacy, thereby, carbon/carbon brake disc is carried out effective antioxidation treatment, guarantee aircraft brake safety, be gordian technique in the airplane carbon brake disc manufacturing processed.
Among the Chinese patent authorization notification number CN1062961 a kind of aircraft C/C composite material brake disc inoxidzable coating that is used for has been described, it is made up of have the physical barriers layer (being formed by the rare earth borosilicate) from bridging function and chemical barrier layer and metallurgical diffusion layer of densification, and the rare earth borosilicate is not less than 85% in inoxidzable coating.Chinese patent application publication number CN1415669 discloses a kind of airplane carbon/carbon brake disc inoxidzable coating and coating processes thereof that be used for, adopt presoak (boric acid, phosphoric acid salt and distilled water) and coating (silicon carbide, boron and boride, silica flour etc.), warp is to operations such as the dip-coating of carbon dish, thermal treatments, make carbon dish each position except that surface of friction all adhere to presoak and coating, its thickness finally forms 0.05～0.1mm.Though these two patent applications all in various degree raising the resistance of oxidation and the humidity-proof ability of C/C composite material brake disc, its technology more complicated, resistance of oxidation is still waiting to improve when high temperature.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, provide a kind of technology simple, when high temperature the high carbon/carbon composite material oxidation-proof coating of resistance of oxidation.
Technical solution of the present invention is as follows: a kind of carbon/carbon composite material oxidation-proof coating, and its characteristics are: comprise following component (weight percent); Silicon 10%～15%, boron 10%～15%, phosphoric acid salt 60%～70%, aluminum oxide 5%～10%.
Above four kinds of materials are mixed and stir, after brush on the carbon/carbon composite surface,, brush and high-temperature heat treatment process is under atmospheric pressure implemented in 800 ℃～900 ℃ following thermal treatments 2～3 hours (nitrogen atmosphere).
The advantage that the present invention compared with prior art has is as follows:
(1) adopts resistance to oxidation component such as Si, make the outside surface of charcoal/raw material of wood-charcoal material form fine and close protective layer, can effectively stop the scattering and permeating of oxygen molecule.
(2) have and the close thermal expansivity of C/C matrix material body; B component in the coating generates boron trioxide B under oxidizing atmosphere
2O
3, B
2O
3It is dynamic at high temperature to form melt-flow, and the micropore of the coating itself that healed and at high temperature because the tiny crack that difference produced of coefficient of thermal expansion between coating and carbon matrix makes coating have the ability of self-healing anti-oxidation has stoped the erosion of oxygen molecule effectively.The carbon/carbon composite oxidation resistant coating has good oxidation-resistance among the present invention in 500 ℃～700 ℃ scopes.
(3) the present invention has good thermal shock resistance, through behind the high temperature impact, can keep good resistance of oxidation.
(4) technology is simple, is applicable to the oxidation resistant coating of airplane carbon brake disc.
Embodiment
Embodiment 1, with silicon 10%, and boron 15%, phosphoric acid salt 70%, aluminum oxide 5% (weight percent) mixes and stirs, after brush on the carbon/carbon composite surface, in 900 ℃ of following thermal treatments 2 hours (nitrogen atmosphere), brushing and high-temperature heat treatment process are under atmospheric pressure implemented again.
Embodiment 2, with silicon 15%, and boron 10%, phosphoric acid salt 65%, aluminum oxide 10% (weight percent) mixes and stirs, after brush on the carbon/carbon composite surface, in 800 ℃ of following thermal treatments 3 hours (nitrogen atmosphere), brushing and high-temperature heat treatment process are under atmospheric pressure implemented again.
Embodiment 3, with silicon 15%, and boron 15%, phosphoric acid salt 60%, aluminum oxide 10% (weight percent) mixes and stirs, after brush on the carbon/carbon composite surface, in 850 ℃ of following thermal treatments 2.5 hours (nitrogen atmosphere), brushing and high-temperature heat treatment process are under atmospheric pressure implemented again.
The raw material of wood-charcoal material of sample is selected Boeing-757 carbon/carbon brake disc material for use among the present invention, the sample of machine addition 10mm * 10mm * 10mm, and the surface brush coating layer makes after high-temperature heat treatment.At 500 ℃, after the 100h oxidation test, it only is 6.01% through rate of weight loss after the 20h oxidation test that rate of weight loss only is 1.25%, 700 ℃.900 ℃ only is 6.17% through rate of weight loss after the 5h oxidation test.
Sample is warming up to 500 ℃, is cooled to room temperature then rapidly, carry out 50 circulations; Be warming up to 700 ℃, carry out 5 circulations; Be warming up to 1100 ℃, carry out 3 circulations after, the oxidative mass loss of test sample, sample are through after the thermal shocking repeatedly, oxidation weight loss only is 2.65%.
Claims (4)
1, a kind of carbon/carbon composite material oxidation-proof coating is characterized in that: comprise following component (weight percent); Silicon 10%～15%, boron 10%～15%, phosphoric acid salt 60%～70%., aluminum oxide 5%～10% is brushed above-mentioned component mixing and stirring, again with making carbon/carbon composite material oxidation-proof coating after the high-temperature heat treatment on the carbon/carbon composite surface.
2, carbon/carbon composite material oxidation-proof coating according to claim 1 is characterized in that: described brushing and high-temperature heat treatment process under atmospheric pressure carry out.
3, carbon/carbon composite material oxidation-proof coating according to claim 1 is characterized in that: described thermal treatment temp is 800 ℃～900 ℃.
4, carbon/carbon composite material oxidation-proof coating according to claim 1 is characterized in that: described heat treatment time is 2～3 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310115119 CN1237121C (en) | 2003-11-24 | 2003-11-24 | Carbon/carbon composite material anti-oxydation coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310115119 CN1237121C (en) | 2003-11-24 | 2003-11-24 | Carbon/carbon composite material anti-oxydation coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1544536A true CN1544536A (en) | 2004-11-10 |
| CN1237121C CN1237121C (en) | 2006-01-18 |
Family
ID=34337253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310115119 Expired - Lifetime CN1237121C (en) | 2003-11-24 | 2003-11-24 | Carbon/carbon composite material anti-oxydation coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1237121C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410212C (en) * | 2006-11-24 | 2008-08-13 | 北京百慕航材高科技股份有限公司 | Carbon/carbon composite material oxidation-proof coating |
| CN100424375C (en) * | 2006-07-06 | 2008-10-08 | 北京航空航天大学 | Method of preparing C/C composite material anti oxidation prtective coating for aeroplane brake disk |
| CN102503562A (en) * | 2011-11-23 | 2012-06-20 | 陕西科技大学 | Preparation method of carbon/carbon composite material anti-oxidation phosphate glass coating |
| CN101792331B (en) * | 2010-01-04 | 2012-11-14 | 北京科技大学 | Microwave preparation method of anti-oxidation coating made of carbon-based material |
-
2003
- 2003-11-24 CN CN 200310115119 patent/CN1237121C/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100424375C (en) * | 2006-07-06 | 2008-10-08 | 北京航空航天大学 | Method of preparing C/C composite material anti oxidation prtective coating for aeroplane brake disk |
| CN100410212C (en) * | 2006-11-24 | 2008-08-13 | 北京百慕航材高科技股份有限公司 | Carbon/carbon composite material oxidation-proof coating |
| CN101792331B (en) * | 2010-01-04 | 2012-11-14 | 北京科技大学 | Microwave preparation method of anti-oxidation coating made of carbon-based material |
| CN102503562A (en) * | 2011-11-23 | 2012-06-20 | 陕西科技大学 | Preparation method of carbon/carbon composite material anti-oxidation phosphate glass coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1237121C (en) | 2006-01-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI'AN CHAOMA SCIENCE CO., LTD. Free format text: FORMER OWNER: XI'AN AEROSPACE COMPOSITE MATERIALS INSTITUTE Effective date: 20060303 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060303 Address after: 101 mailbox 710025, Shaanxi City, Xi'an Province Patentee after: Xi'an Chaoma Technology Co.,Ltd. Address before: 101 mailbox 710025, Shaanxi City, Xi'an Province Patentee before: XI'AN AEROSPACE COMPOSITE MATERIALS Research Institute |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20060118 |