CN102002819A - Carbon fiber composite needling preform and preparation method thereof - Google Patents
Carbon fiber composite needling preform and preparation method thereof Download PDFInfo
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- CN102002819A CN102002819A CN2010105477184A CN201010547718A CN102002819A CN 102002819 A CN102002819 A CN 102002819A CN 2010105477184 A CN2010105477184 A CN 2010105477184A CN 201010547718 A CN201010547718 A CN 201010547718A CN 102002819 A CN102002819 A CN 102002819A
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Abstract
The invention discloses a carbon fiber composite needling preform and a preparation method thereof, and relates to the field of composite materials, in particular to a carbon fiber composite needling preform and a preparation method thereof. The carbon fiber composite needling preform is laminated composite materials, wherein each layer is an alternate laminate of 3K carbon fabrics and PAN carbon fiber nets and is needled into a three-dimensional shape mechanically, the density of the carbon fiber nets is controlled to be fixed, the needling density is 35 to 45 needles/cm<3>, and the needling depth is 18 to 25mm. The raw materials are updated, and the production technology is greatly improved. In order to overcome the defects in the conventional production technology, automatic mechanical equipment and multi-angle cross needling layer by layer are adopted, and the modulus and strength of the products subjected to subsequent carbonization technology are greatly improved.
Description
Technical field the present invention relates to field of compound material, relates in particular to a kind of carbon fiber composite pricking prefabricated body and preparation method.
Background technology carbon fiber composite pricking prefabricated body, after modern chemical high temperature, high pressure, every carbon/carbon depositing operation are handled, having characteristics such as high temperature resistant, rub resistance, quality are light, is the high section green wood that modernization development is generally acknowledged, is the novel product of Aero-Space important structure part.
Original technology of composite pricking prefabricated body is to adopt polyacrylonitrile-based carbon fibre long fiber and web of staple fibers tire to make three-dimensional precast body through multilayer acupuncture.The process of original explained hereafter prefabricated carbon fiber body, the quality of needling process directly has influence on the structure and the performance of precast body, if the degree of depth of the density of acupuncture and acupuncture can not get guaranteeing, need the additive decrementation great amount of manpower and material resources, make production cost higher more than 30% than the overseas market, and the production cycle is prolonged greatly, is that production cost or production efficiency all can't be competed mutually with external product.
Summary of the invention the present invention provides a kind of carbon fiber composite pricking prefabricated body and preparation method in order to overcome above-mentioned technical deficiency, and this composite pricking prefabricated body is the structure of three-dimensional order, modulus, intensity are increased substantially, and manufacturing cost declines to a great extent.
A kind of carbon fiber composite pricking prefabricated body of the present invention and preparation method, be composite stratified material, each layer is 3K carbon cloth and PAN carbon fibre web tire alternative stacked, adopts mechanical acupuncture to become three dimensional type, controlling fiber net tire density is certain, and needling density is 35-45 pin/cm
3, depth of needling is 18-25mm.
Above-mentioned carbon fiber composite pricking prefabricated body and preparation method may further comprise the steps:
A, with the short silk of carbon fiber (a 40-50 mm), spraying moisture makes staple fibre keep about 5% humidity, be heated to 30 degree afterwards, be incubated 25 hours, take out staple fibre after the opener shredding forms separation of material, staple fibre after will separating again is laid to the net tire, and the superficial density of net tire is 32-40g/m
2, net tire thickness is 0.5-0.8mm;
B, PAN pre-oxidation long fiber is arranged in radial fiber carries out acupuncture and form the compound material of individual layer on the net tire, long fiber content wherein is 85%, and long fiber thickness is 0.8-0.9mm, surface density 300g-350g/m
2, bulk density is 0.5-0.6g/cm
3
C, with step b preparation be elementary cell, successively intersect continuous needle through multi-angle and form composite pricking prefabricated body, stinging density in advance is 35-45 pin/cm
3, depth of needle is 18-25mm.Under the preceding topic of ensuring the quality of products, has competitiveness with external like product on the price.
The present invention adopts 3K carbonized cloth and carbon fibre web tire to prepare the high-performance composite pricking prefabricated body, use the high-performance composite pricking prefabricated body material cost more required of these two kinds of manufacture of materials to save about 30% than old technology, and adopt certain needling density and depth of needling, advance to go up to go on foot the structural behaviour of having optimized the acupuncture precast body.Not only save human and material resources, and reduced the production cycle greatly.
The present invention has not only obtained renewal on raw material, be improved especially on production technology.For overcoming the technical deficiency of original production process, adopt automated machine equipment, adopt multi-angle successively to intersect acupuncture, increased substantially the modulus and the intensity of product behind the follow-up carbonization technique.
The specific embodiment
Technical scheme of the present invention has: a, with the short silk of carbon fiber (a 40-50 mm), spraying moisture makes staple fibre keep about 5% humidity, be heated to 30 degree afterwards, be incubated 25 hours, take out staple fibre after the opener shredding forms separation of material, staple fibre after will separating again is laid to the net tire, and the superficial density of net tire is 32-40g/m
2, net tire thickness is 0.5-0.8mm;
B, PAN pre-oxidation long fiber is arranged in radial fiber carries out acupuncture and form the compound material of individual layer on the net tire, long fiber content wherein is 85%, and long fiber thickness is 0.8-0.9mm, surface density 300g-350g/m
2, bulk density is 0.5-0.6g/cm
3
C, with step b preparation be elementary cell, successively intersect continuous needle through multi-angle and form composite pricking prefabricated body, stinging density in advance is 35-45 pin/cm
3, depth of needle is 18-25mm.Under the preceding topic of ensuring the quality of products, has competitiveness with external like product on the price.
Claims (1)
1. carbon fiber composite pricking prefabricated body and preparation method, it is characterized in that: be composite stratified material, each layer is 3K carbon cloth and PAN carbon fibre web tire alternative stacked, adopts mechanical acupuncture to become three dimensional type, controlling fiber net tire density is certain, and needling density is 35-45 pin/cm
3, depth of needling is 18-25mm;
Above-mentioned carbon fiber composite pricking prefabricated body and preparation method may further comprise the steps:
A, with the short silk of carbon fiber (a 40-50 mm), spraying moisture makes staple fibre keep about 5% humidity, be heated to 30 degree afterwards, be incubated 25 hours, take out staple fibre after the opener shredding forms separation of material, staple fibre after will separating again is laid to the net tire, and the superficial density of net tire is 32-40g/m
2, net tire thickness is 0.5-0.8mm;
B, PAN pre-oxidation long fiber is arranged in radial fiber carries out acupuncture and form the compound material of individual layer on the net tire, long fiber content wherein is 85%, and long fiber thickness is 0.8-0.9mm, surface density 300g-350g/m
2, bulk density is 0.5-0.6g/cm
3
C, with step b preparation be elementary cell, successively intersect continuous needle through multi-angle and form composite pricking prefabricated body, stinging density in advance is 35-45 pin/cm
3, depth of needle is 18-25mm;
Under the preceding topic of ensuring the quality of products, has competitiveness with external like product on the price.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105477184A CN102002819A (en) | 2010-11-17 | 2010-11-17 | Carbon fiber composite needling preform and preparation method thereof |
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| CN2010105477184A CN102002819A (en) | 2010-11-17 | 2010-11-17 | Carbon fiber composite needling preform and preparation method thereof |
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| CN102002819A true CN102002819A (en) | 2011-04-06 |
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| CN2010105477184A Pending CN102002819A (en) | 2010-11-17 | 2010-11-17 | Carbon fiber composite needling preform and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990800A (en) * | 2012-08-17 | 2013-03-27 | 江苏天鸟高新技术股份有限公司 | Method for preparing carbon fibre prefabricated body of support and heat-insulation part in thermal field of monocrystalline silicon furnace |
| CN102990799A (en) * | 2012-08-17 | 2013-03-27 | 江苏天鸟高新技术股份有限公司 | Method for preparing carbon fibre prefabricated body of ribbed thermal insulation cover in thermal field of polycrystalline silicon hydrogenation furnace |
| CN103909691A (en) * | 2014-04-21 | 2014-07-09 | 江南大学 | Carbon-fiber needled preformed body with gradiently-changed body density |
| 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 |
| CN105332166A (en) * | 2015-11-23 | 2016-02-17 | 江南大学 | Two-layer variable density carbon fiber needling preform and preparation method thereof |
| CN105421078A (en) * | 2015-12-04 | 2016-03-23 | 镇江奥立特机械制造有限公司 | Method for treating surfaces of novel carbon fibers |
| CN108251969A (en) * | 2016-12-28 | 2018-07-06 | 唯多维科技（天津）有限公司 | A kind of preparation method of special fibre multi-angle needling preform |
| CN108842296A (en) * | 2018-08-22 | 2018-11-20 | 青岛高泰新材料有限公司 | Multi-angle carbon fiber precast body preparation method |
| CN109722883A (en) * | 2018-12-26 | 2019-05-07 | 深圳市智雅墨族科技有限公司 | The preparation method of double base matrix carbon fiber Tooth preparation |
| CN109955551A (en) * | 2017-12-21 | 2019-07-02 | 宜兴市宜泰碳纤维织造有限公司 | A kind of preparation method of the compound oxidization fiber precast body of carbon fiber |
| CN110747578A (en) * | 2019-10-25 | 2020-02-04 | 江苏天鸟高新技术股份有限公司 | High-density carbon fiber needled felt and preparation method thereof |
| CN115305643A (en) * | 2022-07-11 | 2022-11-08 | 西安航空制动科技有限公司 | Friction material preform and preparation method thereof |
| CN117623795A (en) * | 2024-01-26 | 2024-03-01 | 浙江星辉新材料科技有限公司 | Carbon-carbon plate and preparation method thereof |
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2010
- 2010-11-17 CN CN2010105477184A patent/CN102002819A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990800A (en) * | 2012-08-17 | 2013-03-27 | 江苏天鸟高新技术股份有限公司 | Method for preparing carbon fibre prefabricated body of support and heat-insulation part in thermal field of monocrystalline silicon furnace |
| CN102990799A (en) * | 2012-08-17 | 2013-03-27 | 江苏天鸟高新技术股份有限公司 | Method for preparing carbon fibre prefabricated body of ribbed thermal insulation cover in thermal field of polycrystalline silicon hydrogenation furnace |
| CN102990800B (en) * | 2012-08-17 | 2015-03-25 | 江苏天鸟高新技术股份有限公司 | Method for preparing carbon fibre prefabricated body of support of heat-insulation part in thermal field of monocrystalline silicon furnace |
| CN102990799B (en) * | 2012-08-17 | 2016-02-24 | 江苏天鸟高新技术股份有限公司 | The preparation method of polysilicon hydrogenation furnace thermal field band muscle insulation cover carbon fabric perform |
| CN103909691A (en) * | 2014-04-21 | 2014-07-09 | 江南大学 | Carbon-fiber needled preformed body with gradiently-changed body density |
| 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 |
| CN105332166A (en) * | 2015-11-23 | 2016-02-17 | 江南大学 | Two-layer variable density carbon fiber needling preform and preparation method thereof |
| CN105421078A (en) * | 2015-12-04 | 2016-03-23 | 镇江奥立特机械制造有限公司 | Method for treating surfaces of novel carbon fibers |
| CN108251969A (en) * | 2016-12-28 | 2018-07-06 | 唯多维科技（天津）有限公司 | A kind of preparation method of special fibre multi-angle needling preform |
| CN109955551A (en) * | 2017-12-21 | 2019-07-02 | 宜兴市宜泰碳纤维织造有限公司 | A kind of preparation method of the compound oxidization fiber precast body of carbon fiber |
| CN108842296A (en) * | 2018-08-22 | 2018-11-20 | 青岛高泰新材料有限公司 | Multi-angle carbon fiber precast body preparation method |
| CN108842296B (en) * | 2018-08-22 | 2020-04-28 | 青岛高泰新材料有限公司 | Multi-angle carbon fiber preform weaving method |
| CN109722883A (en) * | 2018-12-26 | 2019-05-07 | 深圳市智雅墨族科技有限公司 | The preparation method of double base matrix carbon fiber Tooth preparation |
| CN110747578A (en) * | 2019-10-25 | 2020-02-04 | 江苏天鸟高新技术股份有限公司 | High-density carbon fiber needled felt and preparation method thereof |
| CN115305643A (en) * | 2022-07-11 | 2022-11-08 | 西安航空制动科技有限公司 | Friction material preform and preparation method thereof |
| CN117623795A (en) * | 2024-01-26 | 2024-03-01 | 浙江星辉新材料科技有限公司 | Carbon-carbon plate and preparation method thereof |
| CN117623795B (en) * | 2024-01-26 | 2024-04-12 | 浙江星辉新材料科技有限公司 | Carbon-carbon plate and preparation method thereof |
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Application publication date: 20110406 |