WO2022237749A1 - Procédé d'augmentation de la densité de plaque épaisse composite carbone/carbone - Google Patents

Procédé d'augmentation de la densité de plaque épaisse composite carbone/carbone Download PDF

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Publication number
WO2022237749A1
WO2022237749A1 PCT/CN2022/091847 CN2022091847W WO2022237749A1 WO 2022237749 A1 WO2022237749 A1 WO 2022237749A1 CN 2022091847 W CN2022091847 W CN 2022091847W WO 2022237749 A1 WO2022237749 A1 WO 2022237749A1
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carbon
density
fiber
carbon fiber
preform
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PCT/CN2022/091847
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Chinese (zh)
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张福勤
黄伯云
曾凡浩
杨宇
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中南大学
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • C04B35/83—Carbon fibres in a carbon matrix
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4242—Carbon fibres
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5212—Organic
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/614—Gas infiltration of green bodies or pre-forms
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/77—Density

Definitions

  • the invention discloses a method for increasing the densification density of thick plates of carbon/carbon composite materials, and belongs to the technical field of carbon/carbon composite material preparation.
  • Carbon/carbon composite material is an advanced composite material with carbon fiber reinforced carbon matrix. It has excellent properties such as light weight, high specific strength, low thermal expansion coefficient, good dimensional stability, and corrosion resistance, especially excellent friction and wear properties. It has broad application prospects in aviation, aerospace, thermal processing and other fields.
  • Chemical vapor deposition is an important method for preparing carbon/carbon composites.
  • the composites prepared by this method have a continuous pyrolytic carbon matrix structure, which can endow the composites with high mechanical properties and friction and wear properties. It is an important method to obtain high-performance carbon/carbon composites. , such as the preferred route for aerospace brake materials.
  • Chemical vapor deposition is obtained by decomposing carbon source gas at high temperature and depositing carbon atoms on the surface of carbon fibers. The prerequisite for the realization of chemical vapor deposition is.
  • the densification process of the carbon fiber preform by the existing chemical vapor deposition process is a non-uniform densification process, which is reflected in the fact that the densification speed of the surface is faster than that of the core, and the composite material produces a density gradient from the surface to the interior.
  • the surface density of the composite material reaches above 1.85g/cm 3 , forming surface sealing holes, which prevents the carbon source gas from penetrating from the surface to the core. It affects the densification efficiency, and it is difficult to obtain high-density carbon/carbon composite materials.
  • the object of the present invention is to provide a method for increasing the densification density of carbon/carbon composite thick plates.
  • Sisal fiber is a natural plant fiber with a diameter of 200-400 ⁇ m, which shrinks in volume by about 60% during carbonization.
  • the invention weaves sisal fibers into the carbon fiber prefabricated body, utilizes the carbonization and shrinkage of the sisal hemp fiber with a large diameter, forms pores in the carbon fiber woven prefabricated body with a thin diameter (about 7 ⁇ m), constructs a carbon source gas channel, and improves the carbon fiber prefabricated body Excellent air permeability, so that the carbon source gas can be delivered to the core of the preform remotely, solve the problem of uniform densification of carbon/carbon composite slabs (including disc-shaped carbon/carbon composite materials) along the thickness direction, and prepare high-density carbon / carbon composite.
  • the sisal fiber with a diameter of ⁇ 400 ⁇ m and a length of ⁇ 10 mm is first woven into the carbon fiber preform, and then densified by chemical vapor deposition.
  • the invention discloses a method for increasing the densification density of thick plates of carbon/carbon composite materials.
  • the carbon fiber prefabricated body is a thick plate with a thickness of 20-35 mm and a density of 0.3-0.6 g/cm 3 .
  • the invention discloses a method for increasing the densification density of a thick plate of carbon/carbon composite material.
  • the diameter of the sisal fiber is 200-400 ⁇ m, the length is 5-10 mm, and the mass percentage of the sisal fiber in the prefabricated body is 1-5%.
  • the invention discloses a method for increasing the densification density of carbon/carbon composite thick plates.
  • the carbon fiber prefabricated body is obtained by sequentially stacking the basic units of the prefabricated body through acupuncture; Fiber and carbon fiber non-weft cloth are stacked in sequence, and the sisal fiber is evenly spread on the surface of the carbon fiber mesh layer; after the first layer of prefabricated basic units are continuously acupunctured, the second layer of prefabricated basic units is superimposed on it And carry out continuous needle punching; realize the acupuncture hooking of sisal fiber and carbon fiber mesh layer in the same prefabricated basic unit and the acupuncture hooking of sisal fiber and carbon fiber non-woven fabric between adjacent prefabricated basic units, and so on , to obtain a carbon fiber prefabricated body obtained by needling the basic unit of the prefabricated body and meeting the design thickness requirements; in the carbon fiber prefabricated body, the sisal fibers are evenly distributed; The connection between the basic units of the adjacent prefabricated body is realized, and the other part is evenly distributed on the surface of the mesh tire of the
  • the sisal fiber carbonizes and shrinks, and the gas channels along the thickness direction of the preform and the gas channels along the surface of the mesh tire are formed to form other channels in a criss-cross pattern, which can greatly improve the density and the uniformity of the density distribution. sex.
  • the invention discloses a method for increasing the densification density of a carbon/carbon composite material thick plate.
  • the acupuncture direction is along the normal direction of the prefabricated body to realize the needle-punched hooking of the mesh layer and the weft-free cloth layer, and at the same time, introduce Sisal fiber.
  • the invention discloses a method for increasing the densification density of a carbon/carbon composite thick plate.
  • the needling density is: the distance between adjacent rows is ⁇ 2mm, and the distance within the same row is ⁇ 2mm.
  • the invention discloses a method for increasing the densification density of a carbon/carbon composite thick plate.
  • the carbon fiber prefabricated body there are 30 to 60 carbon fiber mesh layers and carbon fiber non-weft cloth layers respectively.
  • the carbon fiber mesh layer and the carbon fiber non-weft cloth layer are 40-50 layers of the carbon fiber mesh layer and the carbon fiber non-weft cloth layer respectively.
  • the invention relates to a method for increasing the densification density of a carbon/carbon composite thick plate.
  • the arrangement directions of adjacent non-weft cloths are 90° to each other.
  • the invention discloses a method for increasing the densification density of a thick plate of carbon/carbon composite material, wherein the sisal fiber is evenly spread on one surface and/or the other surface of a carbon fiber mesh layer.
  • the invention discloses a method for increasing the densification density of carbon/carbon composite thick plates.
  • a central through hole is arranged along the thickness direction of the carbon fiber prefabricated body to form a disk shape.
  • the inner diameter of the disk is 10-300mm, and the outer diameter of the disk is 200mm ⁇ 600mm, thickness 20 ⁇ 35mm.
  • the inner diameter of the disc is 200mm, the outer diameter is 450mm, and the thickness is 30mm.
  • the invention discloses a method for increasing the densification density of carbon/carbon composite thick plates.
  • the weaving structure of the carbon fiber prefabricated body is a needle-punched prefabricated body.
  • the carbon fiber mesh layer and the carbon fiber non-weft cloth layer are laminated alternately and obtained by continuous needling.
  • the present invention is a method for increasing the densification density of carbon/carbon composite thick plates.
  • the chemical vapor deposition process is as follows: using C3H6 as the carbon source gas and N2 as the dilution gas, the C3H6 and The flow ratio of N 2 is 4 ⁇ 100:1; the temperature is 950 ⁇ 1100°C; the pressure in the furnace is 0.5 ⁇ 10kPa.
  • the weight of the carbon fiber prefabricated body is weighed with a balance before and after each chemical vapor deposition, and the weight gain after each deposition is calculated, and the density is calculated , while machining and cleaning the surface dirt after each deposition.
  • the present invention weaves sisal fibers into the carbon fiber prefabricated body, utilizes the carbonization and shrinkage of the sisal hemp fiber with a large diameter, forms pores in the carbon fiber woven prefabricated body with a thin diameter (about 7 ⁇ m), constructs a carbon source gas channel, and improves the carbonization of the prefabricated body.
  • the gas permeability enables the carbon source gas to be delivered to the core of the preform remotely, and solves the problem of uniform densification in the thickness direction of the disc-shaped carbon/carbon composite material.
  • the density of the carbon/carbon composite material reaches above 1.8g/cm 3 .
  • the length of the sisal fiber is controlled within the range of 5-10mm, and the connectivity of the carbon source gas channel in the prefabricated body is the best, and if the length is too short, the gas channel formed after the carbonization and shrinkage of the sisal fiber is incoherent , the air permeability is not significantly improved; if the length is too long, the sisal fibers will agglomerate, which will affect the uniformity of the sisal fibers spreading on the surface of the mesh layer.
  • the prefabricated body will have the best air permeability to the carbon source gas, and if the mass fraction is too small, the air permeability will not be significantly improved; if the mass fraction is too large , it reduces the interlayer bonding of carbon fiber preforms and affects the mechanical properties of carbon/carbon composites.
  • the weaving structure of the carbon fiber prefabricated body of the present invention is a needle-punched prefabricated body.
  • the sisal fibers are evenly spread on the surface of the carbon fiber mesh layer, and then the carbon fiber mesh layer and the carbon fiber non-weft cloth layer are alternately laminated, and the needles are continuously stitched. Get stabbed.
  • the needle-punching direction is the normal direction of the prefabricated body, the needle-punching penetrates the adjacent mesh layer and the non-weft layer, and the sisal fiber laid on the mesh layer is pierced into the non-weft layer by using a needle with a hook. While realizing the needle-punched hooking of the mesh layer and the non-woven fabric layer, the sisal fiber is introduced in the normal direction of the prefabricated body.
  • the present invention weaves sisal fibers into the carbon fiber prefabricated body, utilizes the carbonization and shrinkage of the thick sisal fiber to form pores in the carbon fiber woven prefabricated body with a thin diameter (about 7 ⁇ m), and constructs a carbon source gas channel, especially the prefabricated body
  • the carbon source gas channel in the normal direction improves the air permeability of the preform, enables the carbon source gas to be delivered to the core of the preform remotely, and solves the problem of uniform densification in the thickness direction of the disc-shaped carbon/carbon composite material.
  • the material density reaches above 1.8g/cm 3 .
  • Fig. 1 is a schematic diagram of the basic unit structure of the preform of the present invention.
  • the carbon fiber mesh layer, sisal fiber, and carbon fiber non-weft cloth are stacked sequentially from bottom to top, and the acupuncture direction is the normal direction of the prefabricated body.
  • Sisal fibers are introduced in the normal direction of the preform.
  • sisal fibers with a diameter of 200-400 ⁇ m Take sisal fibers with a diameter of 200-400 ⁇ m, plant them into short fibers with a length of 9 mm, weave them into the carbon fiber prefabricated body, control the sisal fiber mass fraction in the prefabricated body to be 4%, and then make the carbon fiber prefabricated body Densification by chemical vapor deposition to prepare high-density carbon/carbon composite materials.
  • the shape of the carbon fiber preform is disc-shaped, the inner diameter is 200 mm, the outer diameter is 450 mm, the thickness is 30 mm, and the density of the preform is 0.5 g/cm 3 ;
  • the weaving structure of the carbon fiber preform is an acupuncture preform, First, the sisal fiber is evenly spread on the surface of the carbon fiber mesh layer, and then the carbon fiber mesh layer and the carbon fiber non-weft cloth layer are laminated alternately, and obtained by continuous needle punching, and the carbon fiber mesh layer and the carbon fiber non-weft layer in the prefabricated body are controlled.
  • Each cloth layer has 50 layers, and the arrangement directions of adjacent non-weft cloths are 90° to each other, and the needle punching density is such that the distance between rows is ⁇ 2 mm;
  • the chemical vapor deposition process is: using C 3 H 6 as carbon
  • the source gas and N 2 are diluent gas, the flow ratio of C 3 H 6 and N 2 is controlled to be 90:1, the temperature is 950°C, and the furnace pressure is 3kPa.
  • the deposition time is 150 h as a deposition cycle, and a disc-shaped carbon/carbon composite material is prepared after 4 deposition cycles, and the density of the obtained composite material is 1.8 g/cm 3 .
  • sisal fibers with a diameter of 200-400 ⁇ m Take sisal fibers with a diameter of 200-400 ⁇ m, plant them into short fibers with a length of 6 mm, weave them into the carbon fiber prefabricated body, control the sisal fiber mass fraction in the prefabricated body to be 2%, and then make the carbon fiber prefabricated body Densification by chemical vapor deposition to prepare high-density carbon/carbon composite materials.
  • the shape of the carbon fiber preform is disc-shaped, the inner diameter is 50 mm, the outer diameter is 500 mm, the thickness is 25 mm, and the density of the preform is 0.4 g/cm 3 ;
  • the weaving structure of the carbon fiber preform is an acupuncture preform, First, the sisal fiber is evenly spread on the surface of the carbon fiber mesh layer, and then the carbon fiber mesh layer and the carbon fiber non-weft cloth layer are laminated alternately, and obtained by continuous needle punching, and the carbon fiber mesh layer and the carbon fiber non-weft layer in the prefabricated body are controlled.
  • Each cloth layer has 33 layers, and the arrangement directions of adjacent non-weft cloths are 90° to each other, and the needle punching density is such that the distance between rows is ⁇ 2mm; the chemical vapor deposition process is: using C 3 H 6 as carbon
  • the source gas and N 2 are diluent gas, the flow ratio of C 3 H 6 and N 2 is controlled to be 40:1, the temperature is 1000°C, and the pressure in the furnace is 8kPa.
  • the deposition time is 150 h as a deposition cycle, and a disc-shaped carbon/carbon composite material is prepared after 4 deposition cycles.
  • the density of the obtained composite material is 1.81 g/cm 3 , and the bending strength is 130 MPa.
  • sisal fibers with a diameter of 200-400 ⁇ m Take sisal fibers with a diameter of 200-400 ⁇ m, plant them into short fibers with a length of 7 mm, weave them into the carbon fiber prefabricated body, control the sisal fiber mass fraction in the prefabricated body to 1%, and then make the carbon fiber prefabricated body Densification by chemical vapor deposition to prepare high-density carbon/carbon composite materials.
  • the shape of the carbon fiber preform is disc-shaped, the inner diameter is 260 mm, the outer diameter is 560 mm, the thickness is 20 mm, and the density of the preform is 0.6 g/cm 3 ;
  • the weaving structure of the carbon fiber preform is an acupuncture preform, First, the sisal fiber is evenly spread on the surface of the carbon fiber mesh layer, and then the carbon fiber mesh layer and the carbon fiber non-weft cloth layer are laminated alternately, and obtained by continuous needle punching, and the carbon fiber mesh layer and the carbon fiber non-weft layer in the prefabricated body are controlled.
  • Each cloth layer has 40 layers, and the arrangement directions of adjacent non-weft cloths are 90° to each other, and the needle punching density is such that the distance between rows is ⁇ 2 mm;
  • the chemical vapor deposition process is: using C 3 H 6 as carbon
  • the source gas and N 2 are diluent gas, the flow ratio of C 3 H 6 and N 2 is controlled to be 20:1, the temperature is 1050°C, and the pressure in the furnace is 2kPa.
  • the deposition time is 150 h as a deposition cycle, and a disc-shaped carbon/carbon composite material is prepared after 4 deposition cycles, and the density of the obtained composite material is 1.82 g/cm 3 .
  • sisal fibers with a diameter of 200-400 ⁇ m Take sisal fibers with a diameter of 200-400 ⁇ m, plant them into short fibers with a length of 5 mm, weave them into the carbon fiber prefabricated body, control the sisal fiber mass fraction in the prefabricated body to be 3%, and then make the carbon fiber prefabricated body Densification by chemical vapor deposition to prepare high-density carbon/carbon composite materials.
  • the shape of the carbon fiber preform is disc-shaped, the inner diameter is 150 mm, the outer diameter is 400 mm, the thickness is 35 mm, and the density of the preform is 0.3 g/cm 3 ;
  • the weaving structure of the carbon fiber preform is an acupuncture preform, First, the sisal fiber is evenly spread on the surface of the carbon fiber mesh layer, and then the carbon fiber mesh layer and the carbon fiber non-weft cloth layer are laminated alternately, and obtained by continuous needle punching, and the carbon fiber mesh layer and the carbon fiber non-weft layer in the prefabricated body are controlled.
  • Each cloth layer has 35 layers, the arrangement directions of adjacent non-weft cloths are 90° to each other, and the needle punching density is such that the distance between rows is ⁇ 2mm; the chemical vapor deposition process is: using C 3 H 6 as carbon
  • the source gas and N 2 are diluent gas, the flow ratio of C 3 H 6 and N 2 is controlled to be 40:1, the temperature is 980°C, and the furnace pressure is 1kPa.
  • the deposition time is 150 h as a deposition cycle, and a disc-shaped carbon/carbon composite material is prepared after 4 deposition cycles, and the density of the obtained composite material is 1.81 g/cm 3 .
  • Example 1 Other conditions are the same as in Example 1, except that the mass fraction of sisal fiber in the control preform is 8%. Because the mass fraction of sisal fiber in the preform is too large, the interlayer bonding of the carbon fiber preform is reduced, which affects the mechanical properties of the composite material.
  • the density of the obtained carbon/carbon composite material is 1.81g/cm 3 , and the bending strength is determined by Example 1. The 130MPa is reduced to 92MPa.

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
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  • Organic Chemistry (AREA)
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Abstract

La présente invention concerne un procédé pour augmenter la densité d'une plaque épaisse composite carbone/carbone. Le procédé de préparation comprend : premièrement, le tissage de fibres de sisal ayant un diamètre inférieur ou égal à 400 μm et une longueur inférieure ou égale à 10 mm en une préforme de fibres de carbone, puis la réalisation d'une densification par dépôt chimique en phase vapeur, la fraction en masse des fibres sisal dans la préforme étant de 1 à 5 %, l'épaisseur de la préforme de fibres de carbone étant de 20 à 35 mm, et la densité de la préforme étant de 0,3 à 0,6 g/cm3. Dans la présente invention, en utilisant de manière innovante le retrait de carbonisation de fibres sisal de grand diamètre pendant le dépôt chimique en phase vapeur, un canal de gaz dans le sens de l'épaisseur de la préforme et un canal de gaz le long de la surface d'une maille sont construits dans la préforme de fibres de carbone pour former d'autres canaux entrecroisés, de telle sorte que la perméabilité à l'air de la préforme de fibres de carbone est améliorée, le gaz source de carbone peut être délivré à distance au cœur de la préforme, la densité et l'uniformité de la distribution de densité du gaz source de carbone peuvent être considérablement améliorées, la difficulté de densification uniforme du composite carbone/carbone est résolue, et la densité du composite carbone/carbone préparé atteint plus de 1,8 g/cm 3.
PCT/CN2022/091847 2021-05-13 2022-05-10 Procédé d'augmentation de la densité de plaque épaisse composite carbone/carbone WO2022237749A1 (fr)

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Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
CN113233910B (zh) * 2021-05-13 2022-02-25 中南大学 一种提高碳/碳复合材料厚板增密密度的方法
CN113929484B (zh) * 2021-10-12 2023-02-03 贵州省紫安新材料科技有限公司 一种薄壁异形复合材料构件的制备方法
CN115819103B (zh) * 2023-01-06 2023-05-23 浙江德鸿碳纤维复合材料有限公司 一种碳材料体及其制备方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148187A (en) * 1983-10-17 1985-05-30 Goodrich Co B F Composite friction disc
WO1999011581A1 (fr) * 1997-08-28 1999-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Procede pour produire des materiaux composites a base de carbone et/ou des materiaux contenant du carbone, des materiaux a base de carbure et/ou de carbonitrure
CN1482098A (zh) * 2003-07-24 2004-03-17 上海交通大学 碳-碳复合材料的制备方法
CN109291544A (zh) * 2018-10-30 2019-02-01 中南大学 一种碳/碳复合材料厚板的预制体结构及厚板制备方法
CN112142470A (zh) * 2019-06-26 2020-12-29 陕西橙果新材料科技有限公司 一种碳纤维增强复合材料的制备方法
CN112500184A (zh) * 2020-12-17 2021-03-16 中南大学 一种氧化铝掺杂改性碳基复合材料及其制备方法
CN113233910A (zh) * 2021-05-13 2021-08-10 中南大学 一种提高碳/碳复合材料厚板增密密度的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000095567A (ja) * 1998-06-04 2000-04-04 Toyo Tanso Kk 炭素繊維強化炭素複合材及び単結晶引き上げ装置用部材

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2148187A (en) * 1983-10-17 1985-05-30 Goodrich Co B F Composite friction disc
WO1999011581A1 (fr) * 1997-08-28 1999-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Procede pour produire des materiaux composites a base de carbone et/ou des materiaux contenant du carbone, des materiaux a base de carbure et/ou de carbonitrure
CN1482098A (zh) * 2003-07-24 2004-03-17 上海交通大学 碳-碳复合材料的制备方法
CN109291544A (zh) * 2018-10-30 2019-02-01 中南大学 一种碳/碳复合材料厚板的预制体结构及厚板制备方法
CN112142470A (zh) * 2019-06-26 2020-12-29 陕西橙果新材料科技有限公司 一种碳纤维增强复合材料的制备方法
CN112500184A (zh) * 2020-12-17 2021-03-16 中南大学 一种氧化铝掺杂改性碳基复合材料及其制备方法
CN113233910A (zh) * 2021-05-13 2021-08-10 中南大学 一种提高碳/碳复合材料厚板增密密度的方法

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