CN102992798A - Preparation method of carbon fiber composited silicon carbide fiber needling prefabricate - Google Patents
Preparation method of carbon fiber composited silicon carbide fiber needling prefabricate Download PDFInfo
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- CN102992798A CN102992798A CN201210293927XA CN201210293927A CN102992798A CN 102992798 A CN102992798 A CN 102992798A CN 201210293927X A CN201210293927X A CN 201210293927XA CN 201210293927 A CN201210293927 A CN 201210293927A CN 102992798 A CN102992798 A CN 102992798A
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- silicon carbide
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- carbon fiber
- precast body
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Abstract
The invention provides a preparation method of a carbon fiber composited silicon carbide fiber needling prefabricate. The preparation method comprises the following steps of: reinforcing in the planar direction of the silicon carbide fiber, combining carbon fiber net blank as interlayer filling, superimposing in a layer-by-layer manner, and needling in a layer-by-layer manner, thereby obtaining a prefabricate with a quasi-three-dimensional integrated structure, and finally processing the edge of the prefabricated body into the needed size of a product. The needling density is 5-45 n/cm<2>, and the interlayer density is 1-20 l/10nm. The preparation method provided by the invention breaks through the technical bottleneck of high strength and high modulus of the silicon carbide fiber in the forming process, and the carbon/silicon carbide composite material is prepared, is suitable for various serious environments and is a high-performance wear-resistant braking material for devices such as large port machines, high-rise elevator lifting machines and petroleum drilling machines.
Description
Technical field
The invention belongs to carbon/composite material of silicon carbide technical field, be specifically related to carbon fiber complex silicon carbide fibre prickling precast body technology of preparing.
Technical background
The maximum operation (service) temperature of silicon carbide fiber reaches 1800 ℃, and its thermotolerance and scale resistance all are better than carbon fiber, and intensity reaches 1960MPa-4410MPa, and strength retention is more than 80% under maximum operation (service) temperature, and modulus is 176.4GPa-294GPa, and chemical stability is good.Strongthener after compound with carbon fiber is the preferred material that high-performance abrasion-proof is wiped stopper.
Summary of the invention
For realizing the above, the invention provides a kind of preparation method of carbon fiber complex silicon carbide fibre prickling precast body, described preparation method is as follows: strengthen with the silicon carbide fiber in-plane, fill as interlayer in conjunction with the carbon fibre web tire, successively stack, the accurate three-dimension integrally structure precast body of successively acupuncture, the precast body edge is worked into the product desired size the most at last.Needling density is 5-45 pin/cm
2, interlayer density is 1-20 layer/10mm.
Further, described carbon fibre web tire is the nonwoven non-woven fabric that the chopped carbon fiber of 30-100mm is made by staple length, and its area density is 20-400g/m
2, net tire carbon fiber is 〉=6K.
Further, described silicon carbide fiber in-plane strengthens to be laid fixing or through the weft fabric laying for continuous carbofrax fibre press certain orientation at in-plane, carries out repeatedly the multi-angle rotaries laying by the shape of design is different with thickness.
Further, described area density of successively laying is 50-400g/m
2, laying angle is 0 °-180 °.
Further, described precast body volume density is 0.15～0.65g/cm
3
Strengthen with the silicon carbide fiber in-plane, fill as interlayer in conjunction with carbon fiber nonwoven supatex fabric, successively stack, the accurate three-dimension integrally structure precast body of successively acupuncture, silicon carbide fiber high strength in the moulding process, high-modulus technical bottleneck have been broken through, being prepared into carbon/composite material of silicon carbide, being suitable for various severe environment, is the high-performance rub resistance brake material of the equipment such as large-scale port machine, high rise elevator elevator, oil drilling machine.
Embodiment
Embodiment 1
At 0 °/90 ° lay silicon carbide fibers of in-plane, the formation area density is 330g/m
2Plane enhancement layer, enhancement layer upper strata paved surface density is 50g/m
2The carbon fibre web tire after along the acupuncture of vertical plane direction, needling density is 35 pins/cm
2, successively stack, successively acupuncture, making thickness is the carbon fiber complex silicon carbide precast body of 20mm, its volume density is 0.50g/cm
3
The preparation method of a kind of carbon fiber complex silicon carbide fibre prickling precast body provided by the invention, method is simple, can break through the drawback of prior art, for the preparation of carbon/composite material of silicon carbide.
Embodiment of the present invention does not consist of the restriction to the application's scope; every within the spirit and principle of the present invention design, any modification that one of skill in the art can make, be equal to and replace and improvement etc. all should be included within protection scope of the present invention.
Claims (5)
1. the preparation method of a carbon fiber complex silicon carbide fibre prickling precast body, it is characterized in that, described preparation method is as follows: strengthen with the silicon carbide fiber in-plane, fill as interlayer in conjunction with the carbon fibre web tire, successively stack, the accurate three-dimension integrally structure precast body of successively acupuncture, needling density is 5-45 pin/cm
2, interlayer density is 1-20 layer/10mm; The precast body edge is worked into the product desired size the most at last.
2. the preparation method of carbon fiber complex silicon carbide fibre prickling precast body according to claim 1 is characterized in that, described carbon fibre web tire is the nonwoven non-woven fabric that the chopped carbon fiber of 30-100mm is made by staple length, and its area density is 20-400g/m
2, net tire carbon fiber is 〉=6K.
3. the preparation method of carbon fiber complex silicon carbide fibre prickling precast body according to claim 1, it is characterized in that, described silicon carbide fiber in-plane strengthens to be laid fixing or through the weft fabric laying for continuous carbofrax fibre press certain orientation at in-plane, carries out repeatedly the multi-angle rotaries laying by the shape of design is different with thickness.
4. according to claim 1, the preparation method of 3 described carbon fiber complex silicon carbide fibre prickling precast bodies, it is characterized in that described unit layer area density of successively laying is 50-400g/m
2, laying angle is 0 °-180 °.
5. the preparation method of carbon fiber complex silicon carbide fibre prickling precast body according to claim 1 is characterized in that, described precast body volume density is 0.15～0.65g/cm
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210293927XA CN102992798A (en) | 2012-08-17 | 2012-08-17 | Preparation method of carbon fiber composited silicon carbide fiber needling prefabricate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210293927XA CN102992798A (en) | 2012-08-17 | 2012-08-17 | Preparation method of carbon fiber composited silicon carbide fiber needling prefabricate |
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| CN102992798A true CN102992798A (en) | 2013-03-27 |
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| CN201210293927XA Withdrawn CN102992798A (en) | 2012-08-17 | 2012-08-17 | Preparation method of carbon fiber composited silicon carbide fiber needling prefabricate |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014180159A1 (en) * | 2013-05-07 | 2014-11-13 | 江苏天鸟高新技术股份有限公司 | Annular fibre preform and method of preparing same |
| CN104972670A (en) * | 2015-05-21 | 2015-10-14 | 北京航空航天大学 | Three-dimensional integral composite material and manufacturing method |
| CN105063895A (en) * | 2015-07-02 | 2015-11-18 | 宜兴市飞舟高新科技材料有限公司 | Quasi-three dimensional prefabricated body preparation method |
| CN106431447A (en) * | 2016-09-27 | 2017-02-22 | 西安康本材料有限公司 | Preparation method of high-density carbon fiber plate |
| CN107719128A (en) * | 2017-09-29 | 2018-02-23 | 江苏天鸟高新技术有限责任公司 | Carbon fiber-metal composite material needling preform and preparation method thereof |
| CN112707735A (en) * | 2020-12-30 | 2021-04-27 | 湖南世鑫新材料有限公司 | Rapid preparation method of carbon-ceramic brake disc |
| CN114457504A (en) * | 2022-03-01 | 2022-05-10 | 甘肃郝氏炭纤维有限公司 | C/C-SiC prefabricated part, C/C-SiC composite material, and preparation method and application thereof |
| CN114773077A (en) * | 2022-05-27 | 2022-07-22 | 沈阳科斯莫科技有限公司 | Composite silicon carbide fiber hard felt and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101168926A (en) * | 2006-10-27 | 2008-04-30 | 韩楠林 | Fiber product and its manufacture method and application method |
| CN101250728A (en) * | 2008-03-19 | 2008-08-27 | 中南大学 | Method for manufacturing silicon carbide nanometer fibre/carbon fibre composite felt body |
| CN201873841U (en) * | 2010-12-01 | 2011-06-22 | 宜兴市飞舟高新科技材料有限公司 | Composite-fiber needled prefabricating body |
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- 2012-08-17 CN CN201210293927XA patent/CN102992798A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101168926A (en) * | 2006-10-27 | 2008-04-30 | 韩楠林 | Fiber product and its manufacture method and application method |
| CN101250728A (en) * | 2008-03-19 | 2008-08-27 | 中南大学 | Method for manufacturing silicon carbide nanometer fibre/carbon fibre composite felt body |
| CN201873841U (en) * | 2010-12-01 | 2011-06-22 | 宜兴市飞舟高新科技材料有限公司 | Composite-fiber needled prefabricating body |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014180159A1 (en) * | 2013-05-07 | 2014-11-13 | 江苏天鸟高新技术股份有限公司 | Annular fibre preform and method of preparing same |
| US10202715B2 (en) | 2013-05-07 | 2019-02-12 | Jiangsu Tianniao High Technology Co., Ltd. | Annular fibrous preform and method of preparing the same |
| CN104972670A (en) * | 2015-05-21 | 2015-10-14 | 北京航空航天大学 | Three-dimensional integral composite material and manufacturing method |
| CN104972670B (en) * | 2015-05-21 | 2017-04-26 | 北京航空航天大学 | Three-dimensional integral composite material and manufacturing method |
| CN105063895A (en) * | 2015-07-02 | 2015-11-18 | 宜兴市飞舟高新科技材料有限公司 | Quasi-three dimensional prefabricated body preparation method |
| CN106431447A (en) * | 2016-09-27 | 2017-02-22 | 西安康本材料有限公司 | Preparation method of high-density carbon fiber plate |
| CN106431447B (en) * | 2016-09-27 | 2019-05-07 | 西安康本材料有限公司 | A kind of preparation method of high density carbon fibrous plate |
| CN107719128A (en) * | 2017-09-29 | 2018-02-23 | 江苏天鸟高新技术有限责任公司 | Carbon fiber-metal composite material needling preform and preparation method thereof |
| CN107719128B (en) * | 2017-09-29 | 2024-01-23 | 江苏天鸟高新技术股份有限公司 | Carbon fiber composite metal material needled preform and preparation method thereof |
| CN112707735A (en) * | 2020-12-30 | 2021-04-27 | 湖南世鑫新材料有限公司 | Rapid preparation method of carbon-ceramic brake disc |
| CN114457504A (en) * | 2022-03-01 | 2022-05-10 | 甘肃郝氏炭纤维有限公司 | C/C-SiC prefabricated part, C/C-SiC composite material, and preparation method and application thereof |
| CN114773077A (en) * | 2022-05-27 | 2022-07-22 | 沈阳科斯莫科技有限公司 | Composite silicon carbide fiber hard felt and preparation method and application thereof |
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Application publication date: 20130327 |