CN113149685A

CN113149685A - Carbon-carbon or carbon-ceramic composite material net tire preform, product and preparation method thereof

Info

Publication number: CN113149685A
Application number: CN202110472010.5A
Authority: CN
Inventors: 申富强; 申富胜
Original assignee: Q Carbon Material Co ltd
Current assignee: Q Carbon Material Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-07-23

Abstract

The invention relates to a carbon-carbon or carbon-ceramic composite material net tire preform, a product and a preparation method thereof, and is characterized by comprising the preparation method, wherein the core characteristic of the preparation method comprises the steps of needling while spraying resin; the net tire preform for manufacturing the carbon-carbon or carbon-ceramic composite material is obtained by the preparation method; the preparation method also comprises a step of obtaining the carbon or carbon ceramic composite material product by carrying out vapor deposition or liquid deposition or a combination of the two on the preform obtained by the preparation method. The invention has the beneficial effects that: the annular needling segmented composite brake preform of the carbon fiber net tire is prepared by a direct cutting process, the structure is simple, the space occupancy rate is small, the preparation method is simple in process, the preparation period is greatly shortened, and the cost is reduced.

Description

Carbon-carbon or carbon-ceramic composite material net tire preform, product and preparation method thereof

Technical Field

The invention relates to the technical field of carbon-carbon or carbon-ceramic composite materials, in particular to a carbon-carbon or carbon-ceramic composite material mesh preform, a product and a preparation method thereof.

Background

The brake assembly is an automatic component which is required to be equipped for automobiles, trains, motorcycles and the like, and the use safety of the automobiles and equipment is directly influenced by the quality of the performance of the brake assembly.

In the process of manufacturing the brake component, a preform preparation process is included and adopted, raw materials for preparing the preform are generally used for carbon-carbon composite materials, and the carbon-carbon composite materials are high-performance composite materials of carbon fiber reinforced carbon matrixes and have the characteristics of high strength, corrosion resistance, strong designability and the like. This material has a reinforcing effect by filling a carbon fiber disc with a graphite filler, and sometimes requires a siliconizing treatment, and a typical thermostructural composite material used for manufacturing brake discs is a carbon-carbon composite material.

The scheme provides a novel carbon-carbon composite material prefabricated body, a product and a preparation method thereof. By developing new thermal structure composite materials, the application of the thermal structure composite materials is not limited to brake discs, and the thermal structure composite materials can be further expanded to vehicles in other fields, such as trains, heavy trucks, passenger cars, buses, sports cars and the like.

Disclosure of Invention

The invention provides a carbon-carbon or carbon-ceramic composite material net tire preform, a product and a preparation method thereof, which solve the technical problems.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention provides a preparation method of a mesh blank preform for manufacturing a carbon-carbon or carbon-ceramic composite material, which is characterized by comprising the following steps of needling while spraying resin:

s1, placing short fibers into a net cage, and forming a net by air flow to obtain a net tire;

s2, spreading the net tire obtained in the step S1 on a flat needle machine, and spraying resin;

s3, needling, namely spraying resin once and needling once when one layer of net tire is paved;

s4, repeating S2 and S3 until a set thickness is reached;

and S5, curing to obtain a preform body.

And S6, cutting the prefabricated body according to the designed specific size to obtain the required prefabricated body.

Further, the resin includes one or more of polyazosilanes, polycarbosilanes, epoxy resins, phenolic resins, urea-formaldehyde resins, and the like.

Further, the resin is filled with one or more of carbon black powder, activated carbon powder, graphite powder, carbon nanotubes, graphene powder, carbon fiber powder, graphite fiber powder, ceramic powder, silicon carbide powder, boron nitride powder, metal oxide powder, resin carbon powder and the like.

Furthermore, at least one layer of graphite paper layer or fiber cloth layer is added in the process of winding the net tire. Furthermore, the fiber cloth is made of special fiber cloth, the special fiber cloth is woven cloth or unidirectional cloth, fiber bundles or bands adopted by the special fiber cloth are made of fiber yarns larger than 12k or are made of prepreg cloth, and the thickness of the fiber bundles or bands is 0.01-0.20 mm, preferably 0.01-0.05 mm.

Further, the short fibers of the net layer are one or more of carbon fibers, pre-oxidized fibers, aramid fibers, phenolic fibers, glass fibers, ceramic fibers and metal fibers.

The invention provides a preparation method of a mesh tire preform for manufacturing a carbon-carbon or carbon-ceramic composite material, which is characterized by comprising the following steps of needling and resin spraying:

s1, placing short fibers into a net box, and air-laying to obtain a coiled net tire;

s2, placing the net blank on the core mould, and spraying resin;

s3, needling is carried out, each needling is carried out, and resin is sprayed once;

s4, repeating S2 and S3 until a set thickness is reached;

s5, curing;

s6, demolding to obtain a prefabricated blank;

and S7, slitting, and slitting into multiple sections along the axial direction of the preform according to the designed specific specification thickness to obtain the required preform.

Further, the resin is filled with one or more of carbon black powder, activated carbon powder, graphite powder, carbon nanotubes, graphene, carbon fiber powder, graphite fiber powder, ceramic powder, silicon carbide powder, boron nitride powder, metal oxide powder, resin carbon and the like.

Furthermore, at least one layer of graphite paper layer or fiber cloth layer is added in the process of winding the net tire.

Furthermore, the fiber cloth is made of special fiber cloth, the special fiber cloth is woven cloth or unidirectional cloth, fiber bundles or bands adopted by the special fiber cloth are made of fiber yarns larger than 12k or are made of prepreg cloth, and the thickness of the fiber bundles or bands is 0.01-0.20 mm, preferably 0.01-0.05 mm.

The invention provides a net tire preform for manufacturing carbon or carbon ceramic composite materials, which is characterized by being obtained by any one of the preparation methods.

The invention provides a carbon-carbon or carbon-ceramic composite material product obtained by any one of the preparation methods, which is characterized in that: the carbon or carbon ceramic composite material product is obtained by vapor deposition or liquid deposition or a combination method of the vapor deposition and the liquid deposition.

Further, the carbon-carbon or carbon-ceramic composite material product comprises a plate, a column, a cylinder, a sphere, a ring material and other special-shaped materials.

Further, the carbon-carbon or carbon-ceramic composite material product comprises a brake disc, a brake pad, a support rod, a tray, an electrode column, a support column, a material rack, a support plate, a crucible, a guide cylinder, a heat-insulating barrel, a cover plate, a support ring, a fastener, a rocket throat lining, an engine nozzle and an engine blade.

The invention has the beneficial effects that: the annular needling segmented composite brake preform of the carbon fiber net tire is prepared by direct cutting, the structure is simple, the space occupancy rate is small, the preparation method is simple in process, the preparation period is greatly shortened, and the cost is reduced. The method has the following advantages:

1) the addition of the graphite paper has a buffering effect, so that squeaking is reduced;

2) the addition of graphite paper has heat conduction radiating effect for outside brake disc core temperature conducts the dish fast, does benefit to the heat dissipation, promotes friction stability, improves the life of brake disc.

3) The addition of the carbon cloth can weave the high-volume-density fiber cloth which can be woven only by weaving small-tow carbon fibers at the cost of large-tow carbon fibers, so that the cost is greatly reduced;

4) the addition of the carbon cloth can greatly improve the volume fraction of the composite material preform, so that the strength of the composite material is greatly improved;

5) the addition of the carbon cloth greatly shortens the deposition period of the carbon-carbon composite material, and further reduces the cost of the carbon-carbon composite material;

6) the carbon cloth is added, so that the carbon-carbon composite material achieves the same strength, the thickness of the prefabricated body can be reduced, and the cost is reduced;

7) the addition of the carbon cloth enables the carbon-carbon composite material to achieve the same strength under the condition of using the preforms with the same density, and the carbon-carbon composite material has low density and low cost.

8) The addition of the carbon cloth can greatly reduce the deformation of the carbon-carbon composite material and improve the structural strength.

9) Compared with the existing plate-type prefabricated body, the annular cutting process is adopted, so that the waste of the prefabricated body material of the brake disc can be reduced without removing rim charge and core material;

10) by adopting the annular cutting process, a plurality of disc-type prefabricated bodies can be manufactured at one time, and the manufacturing working hours can be reduced;

11) by adopting the annular cutting process, compared with the plate type needling preform in the prior art, the density of the disc type preform is more uniform, and the consistency of the preform is enhanced;

12) resin and filler are added into the prefabricated body, so that the period of vapor deposition can be effectively shortened, the functional requirements of buffering, shock absorption, heat dissipation, heat conduction and the like are met, and the problems of insufficient heat dissipation, vibration and oxidation resistance and the like of the conventional brake disc are solved.

13) And the resin is added into the prefabricated body, so that dust can be reduced, and pollution is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a first process flow chart of a preparation method of a carbon-carbon or carbon-ceramic composite material net tire preform according to the present invention;

FIG. 2 is a process flow chart of a preparation method of a carbon-carbon or carbon-ceramic composite material net tire preform according to the invention;

FIG. 3 is a schematic structural diagram of a first preform of the brake material of the present invention;

FIG. 4 is a side view of FIG. 3;

FIG. 5 is a side cross-sectional view of FIG. 3;

FIG. 6 is a schematic structural diagram of a brake material preform according to the present invention;

FIG. 7 is a schematic view of a graphite paper layer or a fiber cloth layer;

FIG. 8 is a schematic view of a woven cloth;

FIG. 9 is a schematic view of a sheet product of the present invention;

FIG. 10 is a schematic representation of a pillar article according to the present invention;

FIG. 11 is a schematic representation of a cartridge article of the present invention;

FIG. 12 is a schematic representation of a spherical article according to the present invention;

the notation in the figure is:

1 is a net-shaped layer, 2 resin layers, 3 cutting lines, 4 columnar brake assembly prefabricated body moulds, 5 is a plurality of carbon fiber pure short fibers which are needled, 6 platy brake assembly prefabricated body moulds and 7 graphite paper layers or fiber cloth layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the directions or positional relationships are merely for convenience of description and simplicity of description, and are not intended to indicate or imply that the components or elements referred to must have a particular direction, be constructed and operated in a particular direction, and thus are not to be construed as limiting the present invention.

Example 1:

the invention provides a preparation method of a net tire preform for manufacturing a carbon-carbon or carbon-ceramic composite material, which is characterized by comprising the steps of needling while spraying resin, taking a brake disc as an example, and specifically comprising the following steps of:

s1, placing short fibers into a net cage, and forming a net by air flow to obtain a net tire; the short fibers of the net layer are one or more of carbon fibers, pre-oxidized fibers, aramid fibers, phenolic fibers, glass fibers, ceramic fibers and metal fibers. In this embodiment, the needling direction of the carbon fiber pure short fibers is perpendicular to the plane of the net layer.

S2, spreading the net tire obtained in the step S1 on a flat needle machine, and spraying resin; the resin comprises one or more of polyazosilane, polycarbosilane, epoxy resin, phenolic resin, urea resin and the like. Further, the resin may be selectively filled with one or more of carbon black powder, activated carbon powder, graphite powder, carbon nanotubes, graphene powder, carbon fiber powder, graphite fiber powder, ceramic powder, silicon carbide powder, boron nitride powder, metal oxide powder, resin carbon powder, and the like. The proportion of the filling material in the resin is 0-50%, and the filling material and the resin are uniformly mixed by a dispersing process according to a certain proportion.

S3, needling, spraying resin once per one-layer net tire, needling once, in this embodiment, needling density: 50 needles/cm²The needling frequency is more than 100 times/s;

s4, repeating S2 and S3 until a set thickness is reached;

and S5, heating and curing to obtain a preform blank. And taking out the prefabricated body, and placing the prefabricated body into curing equipment for curing, wherein the curing temperature is generally 10-400 ℃, the curing time is generally 5 min-24 hrs, and the curing temperature and the curing time are different according to different resins. For example, 190 degrees, curing for 30min, and then taking the preform out of the curing device to obtain a cured preform blank.

And S6, slitting, namely slitting the brake disc into a plurality of sections along the axial direction of the prefabricated body according to the specific specification thickness of the brake disc to obtain the required brake disc prefabricated body.

Example 2:

the invention also provides a preparation method of the mesh tire preform for manufacturing the carbon-carbon or carbon-ceramic composite material, which is characterized by comprising the steps of needling while spraying resin, taking a brake disc as an example, and specifically comprising the following steps of:

s1, placing short fibers into a net box, and air-laying to obtain a coiled net tire; the short fibers of the net layer are one or more of carbon fibers, pre-oxidized fibers, aramid fibers, phenolic fibers, glass fibers, ceramic fibers and metal fibers. In the embodiment, the needling direction of the carbon fiber pure short fibers is vertical to the plane of the net layer.

S2, placing the net blank on the core mould, and spraying resin; the resin comprises one or more of polyazosilane, polycarbosilane, epoxy resin, phenolic resin, urea resin and the like. The resin comprises one or more of polyazosilane, polycarbosilane, epoxy resin, phenolic resin, urea resin and the like. Further, the resin may be selectively filled with one or more of carbon black powder, activated carbon powder, graphite powder, carbon nanotubes, graphene powder, carbon fiber powder, graphite fiber powder, ceramic powder, silicon carbide powder, boron nitride powder, metal oxide powder, resin carbon powder, and the like. The proportion of the filling material in the resin is 0-50%, and the filling material and the resin are uniformly mixed by a dispersing process according to a certain proportion.

S3, horizontally needling, continuously rotating the core mould, needling while rotating, laying one layer of net tire each time, needling once along the circumferential direction of the core mould, covering all the net tires on the width of the core mould by the length of the needle plate, and spraying resin; needling density in this example: 50 needles/cm²Needling frequency greater than 100 times/s, rotation speed: 5 degrees/s.

S4, repeating S2 and S3 until a set thickness is reached;

s5, curing; and taking out the core mold and the prefabricated body together, and placing the core mold and the prefabricated body into curing equipment for curing, wherein the curing temperature is generally 10-400 ℃, the curing time is generally 5 min-24 hrs, and the curing temperature and the curing time are different according to different resins. For example, 190 degrees, curing for 30min, then taking the core mold and the preform out of the curing device, and demolding to obtain a cured preform blank.

S6, demolding to obtain a prefabricated blank;

and S7, slitting, namely slitting the brake disc into a plurality of sections along the axial direction of the prefabricated body according to the specific specification thickness of the brake disc to obtain the required brake disc prefabricated body.

Example 3:

s1, placing short fibers into a net box, and air-laying to obtain a coiled net tire; the short fibers of the net layer are one or more of carbon fibers, pre-oxidized fibers, aramid fibers, phenolic fibers, glass fibers, ceramic fibers and metal fibers. In the embodiment, the needling direction of the carbon fiber pure short fibers is vertical to the plane of the net layer and is isotropic.

S2, placing the net blank on the core mould, and spraying resin; the resin comprises one or more of polyazosilane, polycarbosilane, epoxy resin, phenolic resin, urea resin and the like. Further, the resin may be selectively filled with one or more of carbon black powder, activated carbon powder, graphite powder, carbon nanotubes, graphene powder, carbon fiber powder, graphite fiber powder, ceramic powder, silicon carbide powder, boron nitride powder, metal oxide powder, resin carbon powder, and the like. The proportion of the filling material in the resin is 0-50%, and the filling material and the resin are uniformly mixed by a dispersing process according to a certain proportion.

S3, vertically needling, wherein the core mold does not rotate, the annular needle plate is needled, the area of the annular needle plate is close to but larger than or equal to the disc surface area of the brake disc, the shape of the annular needle plate is the same as that of the brake disc, and when one layer of net tire is paved, needling is performed once along the circumferential direction of the core mold, and resin is sprayed; needling density in this example: 50 needles/cm²The needling frequency is more than 100 times/s.

S4, repeating S2 and S3 until a set thickness is reached;

S6, demolding to obtain a prefabricated blank;

Example 4:

on the basis of the

embodiment

1, 2 or 3, the graphite paper is introduced, and the specific steps are as follows: in the process of tiling or winding the net tire, the graphite paper layer can be added between the net tire layers according to the design requirement of the brake disc, and the number of the added graphite paper layers and the added interval are determined according to the specific requirement.

If graphite paper is fixed on another flat plate in the net tire tiling embodiment, if a certain net tire layer needs to be added, the graphite paper is tiled on the layer, after the surface of the prefabricated body is completely covered, the graphite paper is cut off by a cutter, the net tire is tiled continuously until the next net tire tiling layer needing to be placed with the graphite paper, and the process is repeated.

In the embodiment of winding the net tire, graphite paper is fixed on another reel, if a certain net tire layer needs to be added, the graphite paper is unreeled to the layer, after the circumferential surface of the prefabricated body is completely covered, the graphite paper is cut off by a cutter, the net tire is continuously wound until the next net tire winding layer needing to be placed with the graphite paper, and the like. The specific method comprises the following steps:

the web is wound onto the core mold, optionally with a graphite paper tape, spirally and flatly, cured, wound, and the web wound layer of the web is stitched to the graphite paper. A coil with at least one layer of graphite paper is sewn to one or each side of the wound layer of the web.

The upper web winding layer, graphite paper, is sewn to the already wound layers it is stacked on. The stitching is accomplished by a needle plate 60 that spans the entire width of the web winding layer, graphite paper. According to the design requirement, a layer of net tire winding layer can be wound, the graphite paper is needled immediately, or after N layers of net tire winding layers are wound, needling is started from the (N + 1) th layer of graphite paper.

After the graphite paper is added, the time for radiating the core is greatly shortened, the time for radiating the core is 5s when the graphite paper is not added, and the time for radiating the core is 3s after the graphite paper is added.

Example 5:

on the basis of example 4, the graphite paper was replaced with a unidirectional cloth.

Example 6:

in addition to example 4, the graphite paper was replaced with a woven cloth. The special fiber cloth is made of fiber bundles or bands adopted by woven cloth and made of fiber yarns larger than 12k or pre-impregnated cloth, and the thickness of the fiber bundles or bands is 0.01-0.50 mm. The preferable thickness is 0.01 to 0.20 mm. In this embodiment, the single-layer fiber cloth is one or more of pre-oxidized fiber cloth, woven cloth, knitted carbon fiber cloth, woven carbon fiber cloth, carbon fiber pre-impregnated cloth, carbon fiber tape, and carbon fiber non-woven cloth.

In the present embodiment, carbon fiber is taken as an example, the woven cloth in the present embodiment may be a general woven cloth, preferably a high bulk density woven cloth, and the parameters thereof can be referred to CN 201720691977.1. The width of the carbon fiber widening yarn is selected from 8 +/-0.5 mm, 10 +/-0.7 mm, 16 +/-1 mm, 20 +/-1 mm, 27 +/-2 mm or 34 +/-2.5 mm, and the density of the carbon fiber woven cloth is correspondingly selected from 200 +/-5 g/m2, 160 +/-5 g/m2, 100 +/-3 g/m2, 80 +/-3 g/m2, 60 +/-3 g/m2 or 48 +/-2 g/m 2.

The high bulk density woven fabric as referred to in the present application means that the smaller the grammage of the woven fabric is, the thinner the woven fabric is, that is, the higher the fiber content is, the greater the bulk density of the woven fabric with high bulk density is, by 15% to 30% as compared with the conventional woven fabric, and the high bulk density woven fabric means such a carbon fabric, in the case of the same distribution in the fiber plane.

The fiber volume density of the finally obtained prefabricated body is controlled to be 0.1-1.5 g/cm³

Example 7:

on the basis of the implementation of 1 to 6, an upper net tyre winding layer, graphite paper or unidirectional cloth or woven cloth is sewn on the overlapped layers which are already wound by adopting a process of winding and needling simultaneously. The stitching is accomplished by a needle plate 60 that spans the entire width of the web winding layer, graphite paper or woven cloth or unidirectional cloth or woven cloth. According to the design requirement, a layer of net tire winding layer can be wound, graphite paper is needled immediately, or needling is started from the (N + 1) th layer after N layers of fiber winding layers are wound.

Example 8:

on the basis of the examples 1-2, the cutting is directly carried out according to the set thickness. And obtaining the net tire prefabricated body.

Example 9:

in addition to examples 3-6, if a graphite paper layer or a fiber cloth layer is added, the graphite paper layer or the fiber cloth layer is sliced and attached to a predetermined thickness. And obtaining the net tire prefabricated body.

Example 10

In another aspect, the present invention provides a carbon-carbon or carbon-ceramic composite article, including but not limited to a brake material, characterized by being made using the preform as described in any of examples 1 and 7. The preparation method comprises a vapor deposition method or a liquid deposition method or a combination method of the vapor deposition method and the liquid deposition method, and specifically comprises the following steps:

and S1, depositing, performing chemical vapor deposition, wherein the equipment adopts a vapor deposition furnace or a deposition system, carbon source gas is introduced into the deposition furnace from the bottom of the deposition furnace through a multi-path gas inlet pipe, the carbon source gas is directly introduced into the bottom of the deposition chamber in the furnace body at a certain flow and flow rate, and after pyrolysis, matrix carbon is formed and deposited in the interior or on the surface of the blank product.

The step may also be liquid deposition or gas-liquid mixed deposition, since the step is a well-known technique and detailed description thereof is omitted here.

S2, graphitizing;

and S3, fine machining, and performing precision machining forming on the prepared blank according to the requirements of the drawing to obtain the carbon brake disc.

On the basis of embodiment 6, in order to improve the wear resistance and corrosion resistance of the brake disc, modification steps such as siliconizing can be added according to different actual use scenes, and the modification steps are specifically as follows:

and (3) placing the prepared blank into a graphite crucible, placing the graphite crucible into a vacuum sintering furnace, heating to 1600-1650 ℃, preserving heat for 0.5-1 hour, and infiltrating molten Si or silane gas into a carbon brake disc for 12-20 min. And cooling and taking out the graphite crucible to prepare the carbon fiber reinforced SiC or CF matrix composite brake pad with the volume density of 1.95-2.16 g/cm 3.

The carbon or carbon ceramic composite material product comprises a plate, a column, a cylinder, a sphere, a ring material and other special-shaped materials.

The carbon-carbon or carbon-ceramic composite material product comprises a brake disc, a brake pad, a supporting rod, a tray, an electrode column, a supporting column, a material rack, a supporting plate, a crucible, a guide cylinder, a heat-insulating barrel, a cover plate, a supporting ring, a fastener, a rocket throat liner, an engine spray pipe and an engine blade.

Example 11

In another aspect, the present invention provides a carbon-carbon or carbon-ceramic composite article, including but not limited to a brake material, characterized by being made using the preform as described in any of examples 2, 3, 4, 5, 6, 8. The preparation method comprises vapor deposition or liquid deposition, and specifically comprises the following steps:

s1, carbonizing, which is a known technology and is not described in detail;

and S2, depositing, performing chemical vapor deposition, wherein the equipment adopts a vapor deposition furnace or a deposition system, carbon source gas is introduced into the deposition furnace from the bottom of the deposition furnace through a multi-path gas inlet pipe, the carbon source gas is directly introduced into the bottom of the deposition chamber in the furnace body at a certain flow and flow rate, and after pyrolysis, matrix carbon is formed and deposited in the interior or on the surface of the blank product.

The step can also adopt liquid phase deposition or gas-liquid mixed deposition.

S3, graphitizing;

and S4, fine machining, and performing precision machining forming on the prepared blank according to the requirements of the drawing to obtain the carbon brake disc.

On the basis of embodiment 8, in order to improve the wear resistance and corrosion resistance of the brake disc, modification steps such as siliconizing can be added according to different actual use scenes, and the modification steps are specifically as follows:

The present application is illustrated with respect to brake discs in the carbon-carbon or carbon-ceramic composite field, but it should be understood that the present invention may also be used with other articles in the carbon-carbon or carbon-ceramic composite field, such as pallets, trays, crucibles, etc., while the present invention may also be used with articles in the non-carbon or carbon-ceramic composite field.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A preparation method of a mesh tire preform for manufacturing carbon or carbon ceramic composite materials is characterized by comprising the step of spraying resin while needling.

2. The method for preparing the mesh preform for carbon-carbon or carbon-ceramic composite material manufacturing according to claim 1, specifically comprising the following steps:

s4, repeating S2 and S3 until a set thickness is reached;

s5, curing to obtain a prefabricated blank;

3. The method for preparing the mesh preform for carbon-carbon or carbon-ceramic composite material manufacturing according to claim 1, specifically comprising the following steps:

s2, placing the net blank on the core mould, and spraying resin;

s4, repeating S2 and S3 until a set thickness is reached;

s5, curing;

s6, demolding to obtain a prefabricated blank;

4. A method for preparing a mesh preform for carbon-carbon or carbon-ceramic composite fabrication as claimed in claim 1, 2 or 3, wherein: the resin comprises one or more of polyazosilane, polycarbosilane, epoxy resin, phenolic resin, urea resin and the like.

5. The method of claim 4, wherein the method comprises the following steps: the resin is filled with one or more than one of carbon black powder, activated carbon powder, graphite powder, carbon nano tubes, graphene powder, carbon fiber powder, graphite fiber powder, ceramic powder, silicon carbide powder, boron nitride powder, metal oxide powder, resin carbon powder and the like.

6. A method for preparing a mesh preform for carbon-carbon or carbon-ceramic composite fabrication as claimed in claim 2 or 3, wherein: at least one layer of graphite paper layer or fiber cloth layer is added in the process of winding the net tire.

7. The method of claim 6, wherein the method comprises the following steps: the fiber cloth layer is made of special fiber cloth, the special fiber cloth is made of woven cloth or unidirectional cloth, fiber bundles or bands made of woven cloth are made of fiber yarns larger than 12k or made of prepreg cloth, and the thickness of the fiber bundles or bands is 0.01-0.20 mm.

8. A method for preparing a mesh preform for carbon-carbon or carbon-ceramic composite fabrication as claimed in claim 2 or 3, wherein: the short fibers of the net layer are one or more of carbon fibers, pre-oxidized fibers, aramid fibers, phenolic fibers, glass fibers, ceramic fibers and metal fibers.

9. A net-body preform for carbon-carbon or carbon-ceramic composite material, which is obtained by the preparation method of any one of claims 1 to 8.

10. A carbon-carbon or carbon-ceramic composite article obtained by the preparation method according to any one of claims 1 to 8, characterized in that: the carbon or carbon ceramic composite material product is obtained by vapor deposition or liquid deposition or a combination method of the vapor deposition and the liquid deposition.

11. A carbon-carbon or carbon-ceramic composite article as claimed in claim 10, comprising plates, columns, cylinders, spheres, rings and other shaped materials.

12. The carbon-carbon or carbon-ceramic composite article of claim 11, comprising brake disks, brake pads, support rods, trays, electrode posts, support columns, stacks, support plates, crucibles, guide cylinders, holding tanks, cover plates, support rings, fasteners, rocket throat inserts, engine nozzles, engine blades.