CN103724031B - A kind of ceramic matric composite for high speed motor car brake flange and preparation method thereof - Google Patents
A kind of ceramic matric composite for high speed motor car brake flange and preparation method thereof Download PDFInfo
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- CN103724031B CN103724031B CN201310203824.4A CN201310203824A CN103724031B CN 103724031 B CN103724031 B CN 103724031B CN 201310203824 A CN201310203824 A CN 201310203824A CN 103724031 B CN103724031 B CN 103724031B
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Abstract
The invention discloses a kind of ceramic matric composite for high speed motor car brake flange and preparation method thereof.Be made up of gradient SiC matrix and C/C skeleton, it is characterized in that gradient SiC matrix is made up of silicon carbide and carbon, in matrix, the ratio of silicon carbide and carbon increases to 100% from 0, described C/C skeleton deposits one deck carbon base body on carbon fiber knit body, by the method for chemical vapour deposition successively with chloromethyl silane, dichloro methyl silane and trichloromethyl silane for presoma, obtain SiC and the C matrix of different ratios.The present invention well combines the advantage of C/C matrix material and C/SiC matrix material, and can effectively alleviate the thermal stresses brought because of thermal shock, thermal shock resistance is strengthened significantly, and high speed motor car brake flange has huge application prospect.
Description
Technical field
The present invention relates to a kind of ceramic matric composite and preparation method thereof, particularly relate to a kind of ceramic matric composite for high speed motor car brake flange and preparation method thereof.
Technical background
Brake flange is the category-A key components and parts of automobile braking system, and the quality of its performance is directly connected to the safety and reliability of motor vehicle operation.C/SiC (carbon fibre reinforced silicon carbide) ceramic matric composite brake flange has a series of premium propertiess such as corrosion-resistant, wear-resistant, anti-oxidant, frictional coefficient is high compared with the C/C composite material brake disc of being on active service at present, but because the thermal expansivity of SiC is larger, the serious thermal shock that C/SiC matrix material is born in actual applications, make C/SiC matrix material easy to crack, and very easily damage fiber C, have a strong impact on its mechanical property.Therefore the ceramic matric composite preparing gradient SiC density porous C/C framework well combines the advantage of C/C matrix material and C/SiC matrix material.In order to prevent fiber C injury-free, ensure that the intensity of matrix material does not decline, first on fiber C knitted body, prepare C/C skeleton, this plays a protective role to fiber C.And chemical vapour deposition gradient SiC effectively can alleviate the thermal stresses brought because of thermal shock on C/C skeleton, thermal shock resistance is strengthened significantly, and antioxidant property also significantly increases compared with C/C matrix material simultaneously.This material has huge application prospect on high speed motor car brake flange.
Summary of the invention
Object of the present invention is intended to the defect overcoming existing C/C matrix material and C/SiC composite material brake disc, provides a kind of brake flange and the manufacture method thereof that can be applied to high speed motor car.
The technical scheme adopted for realizing object of the present invention is: provide a kind of ceramic matric composite for high speed motor car brake flange, be made up of gradient SiC matrix and C/C skeleton, it is characterized in that gradient SiC matrix is made up of silicon carbide and carbon, in matrix, the ratio of silicon carbide and carbon increases to 100% from 0.Described gradient SiC prepares gradient SiC matrix thus density matrix material by chemical gaseous phase depositing process in porous C/C framework.Described C/C skeleton deposits one deck carbon base body on carbon fiber knit body, and carbon base body thickness is 10 ~ 1000 μm.
The invention also discloses a kind of preparation method of the ceramic matric composite for high speed motor car brake flange, it is characterized in that the step comprising following order:
(1) carbon fiber knit or lamination form the fabric with high speed motor car brake flange shape and strengthen structure;
(2) by the method synthesis C/C skeleton of chemical vapour deposition, chemical vapor infiltration or liquid impregnation;
(3) by the method for chemical vapour deposition successively with chloromethyl silane, dichloro methyl silane and trichloromethyl silane for presoma, obtain SiC and the C matrix of different ratios, often kind of presoma is all be carrier gas with argon gas in deposition process, hydrogen is reaction gas, depositing temperature 800 ~ 1200 DEG C, depositing time: 10 ~ 120h;
(4) matrix material is carried out processing grinding process;
(5) ceramic matric composite that can be used for high speed motor car brake flange is obtained.
Beneficial effect of the present invention: (1) prepares C/C skeleton on fiber C knitted body, and this plays a protective role to fiber C, ensures toughness and the intensity of material; (2) on C/C skeleton, chemical vapour deposition gradient SiC can effectively alleviate the thermal stresses brought because of thermal shock, and thermal shock resistance is strengthened significantly, and antioxidant property also significantly increases compared with C/C matrix material simultaneously; (3) silicon carbide ceramics matrix antiwear heat resisting and perfect heat-dissipating is the important candidate material of high speed motor car brake flange.
Embodiment
Below in conjunction with specific embodiment, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims and limited.
Embodiment
For a ceramic matric composite for high speed motor car brake flange, be made up of gradient SiC matrix and C/C skeleton, it is characterized in that gradient SiC matrix is made up of silicon carbide and carbon, in matrix, the ratio of silicon carbide and carbon increases to 100% from 0.Described gradient SiC prepares gradient SiC matrix thus density matrix material by chemical gaseous phase depositing process in porous C/C framework.Described C/C skeleton deposits one deck carbon base body on carbon fiber knit body, and carbon base body thickness is 500 μm.
The preparation method of above-mentioned ceramic matric composite, concrete steps are as follows:
(1) carbon fiber knit or lamination form the fabric with high speed motor car brake flange shape and strengthen structure;
(2) by the method synthesis C/C skeleton of liquid impregnation;
(3) by the method for chemical vapour deposition successively with chloromethyl silane, dichloro methyl silane and trichloromethyl silane for presoma, obtain SiC and the C matrix of different ratios, often kind of presoma is all be carrier gas with argon gas in deposition process, hydrogen is reaction gas, depositing temperature 1000 DEG C, depositing time: 50h;
(4) matrix material is carried out processing grinding process;
(5) ceramic matric composite that can be used for high speed motor car brake flange is obtained.
Claims (1)
1. the ceramic matric composite for high speed motor car brake flange, be made up of gradient SiC matrix and C/C skeleton, gradient SiC matrix is made up of silicon carbide and carbon, and in matrix, the ratio of silicon carbide and carbon increases to 100% from 0, it is characterized in that comprising following preparation process:
(1) carbon fiber knit or lamination form the fabric with high speed motor car brake flange shape and strengthen structure;
(2) by the method synthesis C/C skeleton of chemical vapour deposition, chemical vapor infiltration or liquid impregnation;
(3) by the method for chemical vapour deposition successively with chloromethyl silane, dichloro methyl silane and trichloromethyl silane for presoma, obtain SiC and the C matrix of different ratios, often kind of presoma is all be carrier gas with argon gas in deposition process, hydrogen is reaction gas, depositing temperature 800 ~ 1200 DEG C, depositing time: 10 ~ 120h;
(4) matrix material is carried out processing grinding process;
(5) ceramic matric composite that can be used for high speed motor car brake flange is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310203824.4A CN103724031B (en) | 2013-05-28 | 2013-05-28 | A kind of ceramic matric composite for high speed motor car brake flange and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310203824.4A CN103724031B (en) | 2013-05-28 | 2013-05-28 | A kind of ceramic matric composite for high speed motor car brake flange and preparation method thereof |
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| Publication Number | Publication Date |
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| CN103724031A CN103724031A (en) | 2014-04-16 |
| CN103724031B true CN103724031B (en) | 2015-08-26 |
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| CN201310203824.4A Expired - Fee Related CN103724031B (en) | 2013-05-28 | 2013-05-28 | A kind of ceramic matric composite for high speed motor car brake flange and preparation method thereof |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104311034B (en) * | 2014-10-10 | 2016-02-03 | 山东正诺集团有限公司 | A kind of preparation method of automobile brake disc carbon/composite material of silicon carbide |
| CN105110807B (en) * | 2015-07-06 | 2017-10-31 | 华东理工大学 | C/C SiC ceramic matrix composite materials prepared with siliceous aryne resin and preparation method thereof |
| CN105565839B (en) * | 2015-12-25 | 2018-06-15 | 深圳勒迈科技有限公司 | A kind of preparation method of carbon pottery brake material and a kind of preparation method of carbon pottery brake disc |
| CN106957181B (en) * | 2016-01-11 | 2019-11-01 | 山东理工大学 | The preparation method of resin dispersion hafnium carbide silicon carbide―carbon fiber friction material |
| WO2017132902A1 (en) * | 2016-02-03 | 2017-08-10 | 深圳市商德先进陶瓷股份有限公司 | High-purity silicon carbide ceramic preparation method and ceramic substrate |
| CN107879758B (en) * | 2016-09-30 | 2020-08-04 | 中国科学院金属研究所 | C/C-SiC composite material with sandwich structure and preparation method thereof |
| CN108117412B (en) * | 2016-11-29 | 2020-10-30 | 中国科学院金属研究所 | C/C-SiC-ZrB with laminated structure2Composite material and preparation method thereof |
| CN108299002A (en) * | 2018-02-12 | 2018-07-20 | 西安鑫垚陶瓷复合材料有限公司 | A kind of preparation process of the C/C-SiC ventilated bralce discs with silicon carbide frictional work ergosphere |
| CN108485181A (en) * | 2018-03-21 | 2018-09-04 | 苏州宏久航空防热材料科技有限公司 | A kind of silicon carbide-polyether-ether-ketone is the fibre reinforced composites and preparation method thereof of matrix |
| CN109372916B (en) * | 2018-09-03 | 2020-06-30 | 湖南金天铝业高科技股份有限公司 | Preparation method of ceramic reinforced carbon/carbon composite brake disc |
| CN110395999B (en) * | 2019-07-30 | 2021-12-28 | 湖南博望碳陶有限公司 | Preparation method and application of carbon-ceramic friction material |
| CN112409005B (en) * | 2020-11-23 | 2022-03-29 | 航天特种材料及工艺技术研究所 | Preparation method of net-size C/SiC ceramic matrix composite |
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| CN101033137A (en) * | 2007-02-06 | 2007-09-12 | 西北工业大学 | Method of preparing carbon/carbon-silicon carbide ceramics base composite material |
| CN101337825A (en) * | 2008-08-08 | 2009-01-07 | 西北工业大学 | Process for preparing carbon/silicon carbide composite material |
| CN102826866A (en) * | 2012-08-07 | 2012-12-19 | 湖北三江航天江北机械工程有限公司 | Preparation method of low-cost C/SiC ceramic composite material |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1237950A (en) * | 1996-10-14 | 1999-12-08 | 航空发动机的结构和研究公司 | Friction element in composite carbon/carbon-silicon carbide material and method for manufacturing same |
| CN101033137A (en) * | 2007-02-06 | 2007-09-12 | 西北工业大学 | Method of preparing carbon/carbon-silicon carbide ceramics base composite material |
| CN101337825A (en) * | 2008-08-08 | 2009-01-07 | 西北工业大学 | Process for preparing carbon/silicon carbide composite material |
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