CN1600745A - Operative method for connecting brake disk made from composite material of silicon carbide enhanced by carbon fiber - Google Patents
Operative method for connecting brake disk made from composite material of silicon carbide enhanced by carbon fiber Download PDFInfo
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- CN1600745A CN1600745A CN 200410086412 CN200410086412A CN1600745A CN 1600745 A CN1600745 A CN 1600745A CN 200410086412 CN200410086412 CN 200410086412 CN 200410086412 A CN200410086412 A CN 200410086412A CN 1600745 A CN1600745 A CN 1600745A
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Abstract
The invention provides a method of connecting Cf/SiC braking disc using mixture of ceramics presoma polymethyl sequisiloxane and active filling, it is mainly used for producing and repairing of new Cf/SiC compound material braking disc. In Cf/SiC braking disc prodn. process, it is structurely designed with air passage in centre for strengthening cooling efficiency and reducing weight. Said braking disc with complex shape is difficult to be directly processed, so it is required to produce two half-discs which are stuck for end product.
Description
Technical Field
The invention relates to CfA preparation or repair method of a/SiC (carbon fiber reinforced silicon carbide) brake disc, in particular to an effective connection method for preparing or repairing the carbon fiber reinforced silicon carbide brake disc.
Background
CfBrake disc made of/SiC (carbon fiber reinforced silicon carbide) ceramic matrix composite and currently-used carbon/carbon (C)fCompared with the brake disc made of the/C) composite material, the brake disc has corrosion resistanceA series of excellent performances such as corrosion resistance, abrasion resistance, oxidation resistance, high friction coefficient and the like, and can meet the requirements of high-grade racing cars, large-scale overload airplanes and the like on the performance of brake disc materials.
Is currently used for CfThe connection technology of the brake disc/C includes bonding method, brazing method, solid diffusion connection, glass connection and reaction forming connection method, etc., and the novel CfThe SiC brake disc is still in the development stage at present, so the connection method is not reported in China. The connection method of the SiC ceramic matrix composite material mainly comprises the following steps:
(1) active metal brazing method
The joining method is a relatively mature method for ceramic joining, and can also be used for joining ceramic matrix composites. However, the joint obtained by the method has working temperature which is not high and is generally below 500 ℃, and the joint working temperature is not generally over 800 ℃ by adopting expensive high-temperature brazing filler metal.
(2) Solid state diffusion bonding method
The solid diffusion bonding method is generally classified into a direct diffusion bonding method and an indirect diffusion bonding method, in which welded base materials are simultaneously heated and pressurized to cause a trace amount of plastic deformation at a joint to form close contact, and then atomic diffusion occurs to achieve bonding. For ceramic materials, an indirect diffusion bonding process is generally adopted, and a metal material is generally used as an intermediate layer, so that the problem of mismatch of the thermal expansion coefficients of the intermediate layer material and the ceramic base material exists.
(3) On-line liquid phase infiltration joining method
The connection method is as followsfIn the preparation process of the/SiC, an alloy which can meet the high-temperature use requirement and has certain corrosion resistance is used as a brazing material, the brazing material is melted and infiltrated into the pores of the composite material under certain temperature and pressure to form a meshing structure with the composite material, connection is realized, and then the CVI (chemical vapor infiltration) densification process of the CMC (ceramic matrix composite) is continued until the completion. In this way, CfThe connection strength of the/SiC and the metal is higher than 100MPa, and the oxidation resistance of the joint is good. This method is well suited for joining CMC to metals, however it still faces the base material and brazing materialThe incompatibility of physical and chemical properties.
(4) Reaction forming connection method
The joining method is a method for joining base materials by using a solder to cause a proper chemical reaction in a joining process and a proper interface reaction with the base materials. At present, the method is only limited to be applied to SiC fiber reinforced SiC (SiC)fConnection of/SiC) composite material, and C containing C fibers for connecting end facesfThe connection of the/SiCcomposite material is not reported.
Most of the main components of the solder used in the method are metal components, and as the thermal expansion coefficients of the metal solder and the ceramic matrix composite material generally have larger difference, larger residual thermal stress is easy to generate in an interface region, so that the connection strength is reduced; in addition, the solid diffusion welding in the method has high connection temperature and connection pressure, and the connection conditions are easy to damage the fibers of the composite material and the interface bonding between the fibers and the matrix; the online liquid phase infiltration joining method cannot realize the joining of the formed products. In view of the above situation, the present invention proposes a method suitable for CfA specific connecting method of the SiC brake disc.
Disclosure of Invention
The invention aims to provide a compound CfThe effective connection method of the/SiC brake disc adopts the mixture of the ceramic precursor polymer polymethylsilsesquioxane and the active filler to connect Cfa/SiC brake disc.
The invention relates to a connecting method of a carbon fiber reinforced silicon carbide brake disc, which is to coat a mixture of a ceramic precursor polymethylsilsesquioxane and an active filler on two C-shaped brake discsfThe connection between the connection surfaces of the/SiC brake disc is carried out by the following connection process:
(A) pretreatment of brake discs
C is to befPolishing the connecting end surface of the SiC brake disc, repeatedly cleaning the connecting end surface by using clear water, and then drying the connecting end surface for later use;
(B) preparation of connecting material
Selecting Al powder and Si powder with the particle size of 50-100 mu m, and uniformly mixing the Al powder and the Si powder according to the mass ratio of 1: 0.5-0.9; then adding the mixed powder into 60-90 vol% polymethylsilsesquioxane solution according to 20-60 wt%, and uniformly stirring to obtain a viscous connecting material;
(C) connection process
Coating the connecting material prepared in the step (B) on the C treated in the step (A)fOn the connection terminal surface of/SiC brake disc, put into the vacuum furnace after the stack, connection pressure is 100 ~ 500kPa, and the connection process is: firstly, crosslinking and curing at 150-300 ℃ for 1-2 h, then heating to 1000-1400 ℃ at the speed of 5-10 ℃/min, preserving heat for 1-2 h, and then cooling to room temperature at the speed of 5-10 ℃/min;
(D) enhancement treatment
Taking out C after treatment of (C)fBrake disc of/SiC infImpregnating the welding seam part of the/SiC brake disc with a polymethylsilsesquioxane solution, putting the impregnated welding seam part into a vacuum furnace, wherein the connection pressure is 100-500 kPa, and the connection process is as follows: firstly, crosslinking and curing at 150-300 ℃ for 1-2 h, then heating to 1000-1400 ℃ at the speed of 5-10 ℃/min, preserving heat for 1-2 h, then cooling to room temperature at the same speed, taking out, and CfAnd completing the connection of the/SiC brake disc.
Said CfIn the connecting material, a precursor is polymethylsilsesquioxane; the active filler is prepared by mixing Al powder and Si powder with the particle size of 50-100 mu m according to the mass ratio of 1: 0.5-0.9.
Said CfThe connecting layer of the connecting method of the/SiC brake disc is composed of four elements of Si, Al, O and C, the distribution is uniform, and the average percentage content is as follows: si: 35-48 at%, Al: 15-25 at%, O: 14-30 at%, C: 15 to 25 at%.
Said CfMethod for connecting SiC brake disks, CfThe thickness of the connecting layer between the/SiC brake discs is 50-100 μm, and the connecting layer mainly comprises amorphous SiOC ceramic and Al2O3And SiC crystallites and a small amount of residual Si phase.
Said CfSiC brakeThe connection method of the vehicle disc can be used for preparing the C with the air channel in the middlefa/SiC brake disc.
Said CfConnection method of/SiC brake disc, which can be used for repairing C with solid structurefa/SiC brake disc.
Invention CfThe effective connection method of the/SiC brake disc has the advantages that: (1) the mixture of the connecting material polymethylsilsesquioxane and the active filler adopted by the invention can be formed into CfThe connecting layer with relatively close thermal expansion coefficient of the SiC brake disc overcomes the defects of metal solder and C used in other methodsfThe thermal expansion coefficient of the/SiC parent material is greatly different; in addition, the connecting material can form good interface joint with the parent metal, so that a connecting piece with higher strength can be obtained, and the requirement of C can be metfThe strength requirement of the SiC brake disc. (2) The connection method has the characteristics of relatively low connection temperature, small connection pressure, simple operation and the like, so that the damage of the high connection temperature and the connection pressure to the fibers of the composite material and the interface combination between the fibers and the matrix is avoided; on the other hand, the equipment required for connection is simple and easy to implement. (3) The precursor polymethylsilsesquioxane adopted by the connection method is industrially produced at present, the price is low, and the adopted filler micron Al and Si powder is very common, so that the connection cost of the method is low, and the C is easy to realizefthe/SiC brake discs are connected in large batch.
Drawings
FIG. 1 is CfThe relation curve of the shearing strength of the/SiC brake disc connecting sample and the connecting temperature.
FIG. 2 shows the connection of polymethylsilsesquioxane with the mixture of Al powder and Si powder as the active filler CfMicroscopic scanning photograph of the/SiC sample connection interface area.
FIG. 3(a) is an XRD pattern of the product of the reaction of polymethylsilsesquioxane with Al powder + Si powder mixture at 1000 ℃.
FIG. 3(b) is an XRD pattern of the product formed after the polymethylsilsesquioxane is reacted with the Al powder + Si powder mixture at 1200 ℃.
FIG. 3(c) is an XRD pattern of the product of the reaction of polymethylsilsesquioxane with Al powder + Si powder mixture at 1400 ℃.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
The invention is CfAn effective connection method of/SiC (carbon fiber reinforced silicon carbide) brakedisc is characterized in that a mixture of ceramic precursor polymethylsilsesquioxane and active filler is uniformly coated on two connected CfThe end faces of the/SiC brake discs are connected, and the connecting process comprises the following steps:
(A) pretreatment of brake discs
C is to befPolishing the connecting end surface of the SiC brake disc, repeatedly cleaning the connecting end surface with clear water, and then drying the connecting end surface for later use;
(B) preparation of connecting material
Selecting Al powder and Si powder with the particle size of 50-100 mu m, and uniformly mixing the Al powder and the Si powder according to the mass ratio of 1: 0.5-0.9; then adding the mixed powder into 60-90 vol% polymethylsilsesquioxane solution according to 20-60 wt%, and uniformly stirring to obtain a viscous connecting material;
(C) parameters of the joining process
Coating the connecting material prepared in the step (B) on the C treated in the step (A)fOn the connection terminal surface of/SiC brake disc, put into the vacuum furnace after the stack, connection pressure is 100 ~ 500kPa, and the connection process is: firstly, crosslinking and curing at 150-300 ℃ for 1-2 h, then heating to 1000-1400 ℃ at the speed of 5-10 ℃/min, preserving heat for 1-2 h, and then cooling to room temperature at the same speed;
(D) enhancement treatment
Taking out C after treatment of (C)fBrake disc of/SiC infImpregnating the welding seam part of the/SiC brake disc with a polymethylsilsesquioxane solution, putting the impregnated welding seam part into a vacuum furnace, wherein the connection pressure is 100-500 kPa, and the connection process is as follows: firstly, crosslinking and curingat 150-300 ℃ for 1-2 h, then heating to 1000-1400 ℃ at the speed of 5-10 ℃/min, and preserving heatCooling to normal temperature at the same speed after 1-2 h, and taking out to obtain the connected Cfa/SiC brake disc.
The invention is further illustrated by the following examples, which are merely illustrative of the feasibility of the joining process of the invention and are not intended to limit the scope of the claims of the invention.
Example 1 preparation of C with air channel structure in the middlefBrake disc made of/SiC
In the present invention CfIn the preparation process of the/SiC (carbon fiber reinforced silicon carbide) brake disc, in order to enhance the cooling effect of the brake disc in the working state and reduce the weight, the brake disc is designed into a structure with an air channel in the middle, and because the brake disc with the hollow structure is complex in shape and difficult to directly process, two half pieces need to be manufactured firstly, and then the two half pieces are bonded to form a finished product.
(A) Pretreatment of brake discs
C is to befPolishing the connecting end surface of the SiC brake disc, cleaning, and drying for later use;
(B) preparation of connecting material
Selecting Al powder and Si powder with the grain size of 50 mu m, and uniformly mixing the Al powder and the Si powder according to the mass ratio of 1: 0.6; then adding the mixed powder into a polymethylsilsesquioxane solution with the concentration of 70 vol% according to 30 wt%, and uniformly stirring to prepare viscous slurry;
(C) parameters of the joining process
Uniformly coating the connecting material preparedin the step (B) on the two C treated in the step (A)fAnd (3) putting the laminated SiC brake disc on the connecting end surface of the brake disc into a vacuum furnace, wherein the connecting pressure is 200kPa, and the connecting temperature is as follows: firstly, crosslinking and curing at 200 ℃ for 1h, then heating to 1300 ℃ at the speed of 8 ℃/min, preserving heat for 1h, and then cooling to room temperature at the same speed;
(D) enhancement treatment
Taking out C after treatment of (C)fImpregnating the welding seam part of the brake disc connecting piece with polymethylsilsesquioxane solution, putting the brake disc connecting piece into a vacuum furnace, and performing high temperature treatment again at the same temperature rise and fall rate, cracking temperature and time of the connecting processAnd (6) processing. Wait for CfCooling the/SiC brake disc to room temperature, and taking out to obtain the novel C consisting of two half blocks and provided with an air channel in the middlefa/SiC brake disc. The treatment step can be performed 2-3 times to further enhance the connection effect.
Example 2 repair of C of solid StructurefBrake disc made of/SiC
For C of solid structurefFor a brake disc made of/SiC (carbon fiber reinforced silicon carbide), after the brake disc is used for many times, the thickness of the brake disc cannot meet the requirement of a brake structure, and two or three thinned brake discs are connected to be put into use again. Due to CfThe preparation process of the/SiC brake disc is complex, the cost is high, and the price is high, so the economic benefit of the repair technology is considerable.
(A) Pretreatment of brake discs
Two already used CfPolishing the connecting end surface of the SiC brake disc, cleaning, and drying for later use;
(B) preparation of connecting material
Selecting Al powder and Si powder with the particle size of 75 mu m, and uniformly mixing the Al powder and the Si powder according to the mass ratio of 1: 0.8; then adding the mixed powder into 80 vol% polymethylsilsesquioxane solution according to 60 wt%, and uniformly stirring to obtain a viscous connecting material;
(C) parameters of the joining process
Coating the connecting material prepared in the step (B) on the two C treated in the step (A)fAnd (3) putting the laminated SiC brake disc on the connecting end surface of the brake disc into a vacuum furnace, wherein the connecting pressure is 400kPa, and the connecting temperature is as follows: firstly, crosslinking and curing at 250 ℃ for 1h, then heating to 1200 ℃ at the speed of 10 ℃/min, preserving heat for 1h, and then cooling to room temperature at the same speed;
(D) enhancement treatment
Taking out the two C connected together after the treatment of (C)fA brake disc of SiCfAnd infiltrating the welding seam part of the/SiC brake disc with a polymethylsilsesquioxane solution, putting the impregnated welding seam part into a vacuum furnace, and performing high-temperature treatment again by adopting the same temperature rise and fall rate, cracking temperature and time as those of the connection process. Wait for CfCooling the/SiC brake disc to room temperature, and taking out to obtain a brake disc consisting of two C parts with relatively small thicknessfC with SiC brake discs connected togetherfa/SiC brake disc.
The mixture of the polymethylsilsesquioxane and the active filler (Al powder and Si powder) obtained in the embodiment 1 and the embodiment 2 can form a connecting layer with better performance in the connecting process, and the connecting layer and CfThe thermal expansion coefficients of the/SiC brake disc are relatively close, so that a connecting piece with small joint thermal stress and high connecting strength can be obtained. When the connection temperature is 1200 ℃, the connection pressure is 400kPa, and the shear strength of the connecting piece subjected to the two times of dipping/cracking enhancement treatment reaches the maximum value of 47.6 MPa. The fracture of the connecting piece is a mixed fracture, which shows that the connecting layer material and the parent metal have good wettability and strong binding force. The microstructure and composition analysis show that the thickness of the connecting layer is 50-100 μm, and the connecting layer is mainly composed of amorphous SiOC ceramic and Al2O3And SiC microcrystals and a small amount of residual Si phase, the interface bonding between the connection layer and the base material is good, and certain mutual diffusion of elements occurs between the connection layer and the base material.
FIG. 1 is CfThe relation curve of the shearing strength of the/SiC brake disc connecting sample and the connecting temperature. The graph shows that shear strength increases and then decreases with increasing joining temperature in the range of 1000-1400 ℃. When the joining temperature reached 1200 ℃, the shear strength reached a maximum of 47.6 MPa.
FIG. 2 shows the connection of polymethylsilsesquioxane with the mixture of Al powder and Si powder as the active filler CfMicroscopic scanning photograph of the/SiC sample connection interface area. From the scanned photograph, it can be observed that the connecting layer has a relatively uniform structure, and a small number of holes and other defects exist in the connecting layer, which are causedby the gas released from the precursor during the cracking process and the volume shrinkage. In addition, the interface between the connecting layer and the base material is well combined, and no obvious defects such as cracks, holes and the like exist at the interface. And performing energy spectrum (EDX) analysis on the connecting layer to obtain that the connecting layer is composed of four elements of Si, Al, O and C, the distribution is uniform, and the average percentage content is as follows: si: 42.53 at%, Al: 22.93 at%, O: 14.89 at%, C: 19.65 at%.
In the attached drawings 3(a), (b) and (c), XRD patterns of the product generated after the mixture of the polymethylsilsesquioxane, Al powder and Si powder reacts at 1000 ℃, 1200 ℃ and 1400 ℃ are respectively shown. As can be seen from the figure, when the temperature is 1000 ℃, the Al and Si contents in the reaction product are still high, and a small amount of Al is contained2O3And SiC crystal grains; when the temperature is 1200 ℃, the simple substance Al basically disappears, and Al in the reaction product2O3And the content of SiC crystal grains is obviously increased; when the temperature reaches 1400 ℃, Al and Si phases disappear, and the product contains a large amount of SiC crystal grains and partial Al2O3And (4) crystal grains. From the above test results, it can be concluded that the following reactions occur in the active fillers Al powder and Si powder during the joining process: first Al and SiO generated in the process of cracking precursor polymer2Reaction is carried out:
the Si thus produced and the added Si react with C produced by the cracking of the precursor:
SiC is formed.
When the connection temperature is 1200 ℃, Al in the connection layer basically disappears, and most of the polymethylsilsesquioxane pyrolysis product still presents a uniform amorphous ceramic continuum, SiC and Al2O3And a small amount of residual Si particles are uniformly embedded in the amorphous ceramic layer, so that the strength of the connecting layer and the bonding strength of the connecting layer and the base material are improved, and the connecting effect is best. When the temperature reaches 1400 ℃, most of the amorphous ceramics are crystallized, and a large amount of brittle phases are generated, resulting in a decrease in connection strength.
Claims (7)
1. An effective connection method of a carbon fiber reinforced silicon carbide brake disc is characterized in that: the mixture of ceramic precursor polymethylsilsesquioxane and active filler is coated on two CfBrake disc connection of SiCThe surfaces are connected by the following connecting process:
(A) pretreatment of brake discs
C is to befPolishing the connecting end surface of the SiC brake disc, repeatedly cleaning the connecting end surface by using clear water, and then drying the connecting end surface for later use;
(B) preparation of connecting material
Selecting Al powder and Si powder with the particle size of 50-100 mu m, and uniformly mixing the Al powder and the Si powder according to the mass ratio of 1: 0.5-0.9; then adding the mixed powder into 60-90 vol% polymethylsilsesquioxane solution according to 20-60 wt%, and uniformly stirring to obtain a viscous connecting material;
(C) connection process
Coating the connecting material prepared in the step (B) on the C treated in the step (A)fOn the connection terminal surface of/SiC brake disc, put into the vacuum furnace after the stack, connection pressure is 100 ~ 500kPa, and the connection process is: firstly, crosslinking and curing at 150-300 ℃ for 1-2 h, then heating to 1000-1400 ℃ at the speed of 5-10 ℃/min, preserving heat for 1-2 h, and then cooling to room temperature at the speed of 5-10 ℃/min;
(D) enhancement treatment
Taking out C after treatment of (C)fBrake disc of/SiC infImpregnating the welding seam part of the/SiC brake disc with a polymethylsilsesquioxane solution, putting the impregnated welding seam part into a vacuum furnace, wherein the connection pressure is 100-500 kPa, and the connection process is as follows: firstly, crosslinking and curing at 150-300 ℃ for 1-2 h, then heating to 1000-1400 ℃ at the speed of 5-10 ℃/min, preserving heat for 1-2 h, then cooling to room temperature at the same speed, taking out, and CfAnd completing the connection of the/SiC brake disc.
2. C according to claim 1fThe connection method of the/SiC brake disc is characterized in that: in the connecting material, the precursor is polymethylsilsesquioxane; the active filler is prepared by mixing Al powder and Si powder with the particle size of 50-100 mu m according to the mass ratio of 1: 0.5-0.9.
3. C according to claim 1fThe connection method of the/SiC brake disc is characterized in that: the connecting layer is made of four materials of Si, Al, O and CThe elements are composed and distributed evenly, and the average percentage content is as follows: si: 35-48 at%, Al: 15-25 at%, O: 14-30 at%, C: 15 to 25 at%.
4. C according to claim 1fThe connection method of the/SiC brake disc is characterized in that: the connecting layer is composed of four elements of Si, Al, O and C, and is distributed uniformly, and the average percentage content is as follows: si: 42.53 at%, Al: 22.93 at%, O: 14.89 at%, C: 19.65 at%.
5. C according to claim 1fThe connection method of the/SiC brake disc is characterized in that: cfThe thickness of the connecting layer between the/SiC brake discs is 50-100 μm, and the connecting layer mainly comprises amorphous SiOC ceramic and Al2O3And SiC crystallites and a small amount of residual Si phase.
6. C according to claim 1fThe connection method of the/SiC brake disc is characterized in that: can be used for preparing C with air channel in the middlefa/SiC brake disc.
7. C according to claim 1fThe connection method of the/SiC brake disc is characterized in that: c capable of being used for repairing solid structurefa/SiC brake disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410086412 CN1260181C (en) | 2004-10-21 | 2004-10-21 | Operative method for connecting brake disk made from composite material of silicon carbide enhanced by carbon fiber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410086412 CN1260181C (en) | 2004-10-21 | 2004-10-21 | Operative method for connecting brake disk made from composite material of silicon carbide enhanced by carbon fiber |
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| CN1600745A true CN1600745A (en) | 2005-03-30 |
| CN1260181C CN1260181C (en) | 2006-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410086412 Expired - Fee Related CN1260181C (en) | 2004-10-21 | 2004-10-21 | Operative method for connecting brake disk made from composite material of silicon carbide enhanced by carbon fiber |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100394060C (en) * | 2006-07-20 | 2008-06-11 | 西安超码科技有限公司 | Airplane carbon brake disc integral adhesive maintenance method |
| CN100429421C (en) * | 2006-12-26 | 2008-10-29 | 太原市星羽科技有限公司 | Ceramic carbon fibre brake disc for automobile |
| CN102924109A (en) * | 2012-10-18 | 2013-02-13 | 北京科技大学 | Cf/SiC ceramic matrix composite connecting method |
| CN105272369A (en) * | 2015-11-25 | 2016-01-27 | 哈尔滨工业大学 | Porous ceramic connecting method |
| CN107076235A (en) * | 2014-10-10 | 2017-08-18 | 派特欧赛拉米克斯股份公司 | The brake disc that the method for brake disc is manufactured with fibre reinforced materials and is manufactured in this way |
| CN107100949A (en) * | 2017-04-17 | 2017-08-29 | 湖南锴博新材料科技有限公司 | A kind of combined type composite material brake disc and preparation method and application |
| CN109517385A (en) * | 2017-09-20 | 2019-03-26 | 四川东邦碳纤维材料有限公司 | A kind of carbon fibre composite |
| CN110483086A (en) * | 2019-08-28 | 2019-11-22 | 山东道普安制动材料有限公司 | A kind of preparation method of carbon pottery brake disc |
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2004
- 2004-10-21 CN CN 200410086412 patent/CN1260181C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100394060C (en) * | 2006-07-20 | 2008-06-11 | 西安超码科技有限公司 | Airplane carbon brake disc integral adhesive maintenance method |
| CN100429421C (en) * | 2006-12-26 | 2008-10-29 | 太原市星羽科技有限公司 | Ceramic carbon fibre brake disc for automobile |
| CN102924109A (en) * | 2012-10-18 | 2013-02-13 | 北京科技大学 | Cf/SiC ceramic matrix composite connecting method |
| CN102924109B (en) * | 2012-10-18 | 2013-12-11 | 北京科技大学 | Cf/SiC ceramic matrix composite connecting method |
| CN107076235A (en) * | 2014-10-10 | 2017-08-18 | 派特欧赛拉米克斯股份公司 | The brake disc that the method for brake disc is manufactured with fibre reinforced materials and is manufactured in this way |
| CN107076235B (en) * | 2014-10-10 | 2019-10-18 | 派特欧赛拉米克斯股份公司 | The method and the brake disc that manufactures in this way of brake disc are manufactured with fibre reinforced materials |
| CN105272369A (en) * | 2015-11-25 | 2016-01-27 | 哈尔滨工业大学 | Porous ceramic connecting method |
| CN107100949A (en) * | 2017-04-17 | 2017-08-29 | 湖南锴博新材料科技有限公司 | A kind of combined type composite material brake disc and preparation method and application |
| CN107100949B (en) * | 2017-04-17 | 2019-01-29 | 湖南世鑫新材料有限公司 | A kind of combined type composite material brake disc and preparation method and application |
| CN109517385A (en) * | 2017-09-20 | 2019-03-26 | 四川东邦碳纤维材料有限公司 | A kind of carbon fibre composite |
| CN109517385B (en) * | 2017-09-20 | 2021-03-12 | 江苏澳盛复合材料科技有限公司 | Carbon fiber composite material |
| CN110483086A (en) * | 2019-08-28 | 2019-11-22 | 山东道普安制动材料有限公司 | A kind of preparation method of carbon pottery brake disc |
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|---|---|
| CN1260181C (en) | 2006-06-21 |
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