CN107100949A - A kind of combined type composite material brake disc and preparation method and application - Google Patents

A kind of combined type composite material brake disc and preparation method and application Download PDF

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Publication number
CN107100949A
CN107100949A CN201710249937.6A CN201710249937A CN107100949A CN 107100949 A CN107100949 A CN 107100949A CN 201710249937 A CN201710249937 A CN 201710249937A CN 107100949 A CN107100949 A CN 107100949A
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aluminum matrix
disk
carbon
matrix composite
composite material
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CN201710249937.6A
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CN107100949B (en
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李鹏涛
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Hunan Xin Xin new material Co., Ltd.
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Hunan Kai Bo New Mstar Technology Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/10—Alloys based on aluminium with zinc as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
    • C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
    • C22C32/0063—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides based on SiC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • F16D65/125—Discs; Drums for disc brakes characterised by the material used for the disc body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/1304—Structure
    • F16D2065/132—Structure layered
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/134—Connection
    • F16D2065/1344—Connection permanent, e.g. by casting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0004—Materials; Production methods therefor metallic
    • F16D2200/0026—Non-ferro
    • F16D2200/003—Light metals, e.g. aluminium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0034—Materials; Production methods therefor non-metallic
    • F16D2200/0039—Ceramics
    • F16D2200/0047—Ceramic composite, e.g. C/C composite infiltrated with Si or B, or ceramic matrix infiltrated with metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0082—Production methods therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly
    • F16D2250/0007—Casting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly
    • F16D2250/0023—Shaping by pressure

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Braking Arrangements (AREA)

Abstract

The present invention relates to a kind of combined type composite material brake disc and preparation method and application；Belong to extraordinary brake disc development technique field.The combined type composite material brake disc includes frictional disk (1) and connection support plate (2)；The material of the frictional disk (1) is carbon ceramic composite material, and the material of connection support plate (2) is the Gradient Aluminum Matrix being combined by hot pressing.The combined type composite material brake disc includes carbon ceramic composite material frictional disk (1) and Gradient Aluminum Matrix connection support plate (2)；Carbon ceramic composite material frictional disk (1) and Gradient Aluminum Matrix connection support plate (2) are linked into an integrated entity by riveting.When brake disc designed by the present invention is applied to high ferro, its service life is apparently higher than existing product.

Description

A kind of combined type composite material brake disc and preparation method and application
Technical field
The present invention relates to a kind of combined type composite material brake disc and preparation method and application；Belong to extraordinary brake disc exploitation Technical field.
Background technology
Brake disc of high-speed train is one of the most key part in brake apparatus.Speed-raising and damped condition with train Lower service condition it is severe, huge braking thermic load and thermal shock can produce very big thermograde, cause shape in brake disc Into great thermal stress.It is therefore desirable to which disc material not only has stable, uniform frictional behaviour and higher anti-wear performance Outside, it is necessary to there are higher thermal fatigue property and heat conductivility, low modulus of elasticity and thermal coefficient of expansion so that braking heat The rapid loss of energy, to reduce the high thermal stress that brake disc friction surface rapid heat cycle is formed.Finally, it is heavy under vehicle spring to mitigate Amount, disc material need to have relatively low density.
At present, the brake disc that High Speed Train in China is used mainly uses cast iron and Forging Steel Brake Disc, and such material is in normal temperature With the mechanical property under high temperature, thermal deformation resistant ability and excellent heat stability, wearability and processing performance are preferable, often with powder smelting Golden brake lining composition friction pair is used.But, because the heat-resisting and anti-wear performance of brake disc each several part is consistent, fatigue is caused on the contrary It is inconsistent with wear extent, accelerate fire check and probability and expansion rate occur, greatly reduce the service life of brake disc.And And, such material radiating effect is bad, and high density limits the further lifting of train speed, and causes energy consumption in train journey to increase Plus.Therefore, development of new disc material turns into main to improve brake disc performance, mitigate the weight of train, raising train speed Trend.
In recent years, domestic and international researcher develop in succession carbon/carbon compound material, aluminum matrix composite, carbon ceramic composite material, The brake disc new material such as bimetallic material, but all there is the advantage and deficiency of performance in use in various types of materials.Aluminium base is answered The thermal conductivity of condensation material is good, can realize that disk body is quickly cooled down, and adds ceramic particle, and forming ceramic reinforced aluminum matrix composites can Loss of weight, but its temperature in use is low, and maximum operation (service) temperature is not higher than 400 DEG C, and sharp wear is will appear from more than this temperature surface, mill Damage amount is higher than steel disk wear extent.
The content of the invention
The present invention has attempted Gradient Aluminum Matrix with being used as brake disc after carbon ceramic composite material interworking first.
A kind of combined type composite material brake disc of the present invention, the combined type composite material brake disc includes frictional disk (1) With connection support plate (2)；The material of the frictional disk (1) is carbon ceramic composite material, and the material of the connection support plate (2) is ladder Spend aluminum matrix composite；Contain SiC in the Gradient Aluminum Matrix, according to SiC content, by Gradient Aluminum Matrix point Into E regions and F regions, the SiC content at any one position is more than the content of any one position SiC in F regions in the E regions； After frictional disk (1) and connection support plate (2) assembling, combined type composite material brake disc is obtained；Along combined type composite material system The direction of Moving plate thickness, the minimum range in the E regions to frictional disk (1) is less than F regions to the minimum range of frictional disk (1).
A kind of combined type composite material brake disc of the present invention, the connection support plate (2) is by high silicon carbide aluminum-base composite material Charging tray (2-1) and low-carbon SiClx aluminum matrix composite disk (2-2) are constituted；The high silicon carbide aluminum matrix composite disk (2-1) with Mass percent meter includes following raw materials：
20~30wt% of SiC particulate；
Al-Mg-Si-Zr-Sc atomized powders 50-60wt%；
Surplus is Al powder and inevitable impurity；
The Al-Mg-Si-Zr-Sc atomized powders include following components with mass percent：
Mg 1-7wt%；
Si 25-30wt%；
Zr 0.3-1.0wt%；
0.25~1.0wt% of Sc；
Surplus is Al；Above-mentioned raw materials are the raw material in E regions.
A kind of combined type composite material brake disc of the present invention, the low-carbon SiClx aluminum matrix composite disk (2-2) is with quality Percentages include following components：
5~10wt% of SiC particulate；
Zn 7.0-9.6wt%；Preferably 7.0-9.0wt%；
Mg 1.5-3.5wt%；
Cu 2.0-3.0wt%；
Zr 0.15-0.35wt%；
Sc 0.15-0.4wt%；
Surplus is Al powder and inevitable impurity.Said components are the component in F regions.
A kind of combined type composite material brake disc of the present invention, connection support plate (2) constitutes one with frictional disk (1) by riveting Body；After riveting；Along the combined type composite material disc thickness direction, the low-carbon SiClx aluminium base in connection support plate (2) is answered The minimum range of condensation material disk (2-2) to frictional disk (1) is more than the high silicon carbide aluminum matrix composite disk in connection support plate (2) (2-1) arrives the minimum range of frictional disk (1).
A kind of combined type composite material brake disc of the present invention, the combined type composite material brake disc includes carbon pottery composite wood Expect frictional disk (1) and Gradient Aluminum Matrix connection support plate (2)；The carbon ceramic composite material frictional disk (1) include B faces and A faces, the A faces are rubbing surface, and B faces are non-rubbing surface；The high silicon carbide aluminum matrix composite disk (2-1) and low-carbon SiClx aluminium Based composites disk (2-2) constitutes the connection support plate (2) by hot pressing；By frictional disk (1) and connection support plate (2) assembling Afterwards, along the direction of combined type composite material disc thickness, the high silicon carbide aluminum matrix composite disk (2-1) to B faces is most Small distance is less than the minimum range that it arrives A faces.
A kind of combined type composite material brake disc of the present invention, the carbon ceramic composite material frictional disk (1) includes n frictional disk Counterbore (3)；
The connection support plate (2) is provided with the n position counterbore (4) corresponding with frictional disk counterbore (3), and m Mesopore (5)；Counterbore (4) mesopore (5) runs through high silicon carbide aluminum matrix composite disk (2-1) and low-carbon SiClx aluminum-base composite Disk of material (2-2)；
Support plate (2) and frictional disk (1) will be connected by frictional disk counterbore (3) and corresponding counterbore (4) with rivet Cold riveting is connected into an entirety；Cold riveting is connected into after an entirety, and rivet force is 0.7~1MPa；After cold riveting, obtain combined Material brake disc, B faces are arrived along the direction high silicon carbide aluminum matrix composite disk (2-1) of combined type composite material disc thickness Minimum range is -0.05mm~0.05mm.Preferably, riveting rivet used is copper or steel rivet.
A kind of preparation method of combined type composite material brake disc of the present invention：Its scheme is：
Connection support plate (2) is assembled with frictional disk (1)；Obtain the combined type composite material brake disc；It is described The material of frictional disk (1) is carbon ceramic composite material；The connection support plate (2) is by high silicon carbide aluminum matrix composite disk (2-1) With low-carbon SiClx aluminum matrix composite disk (2-2) by being composited；
The high silicon carbide aluminum matrix composite disk (2-1) includes following raw materials by percentage to the quality：
20~30wt% of SiC particulate；
Al-Mg-Si-Zr-Sc atomized powders 50-60wt%；
Surplus is Al powder and inevitable impurity；
The Al-Mg-Si-Zr-Sc atomized powders include following components with mass percent：
Mg 1-7wt%；
Si 25-30wt%；
Zr 0.3-1.0wt%；
0.25~1.0wt% of Sc；
Surplus is Al；
The low-carbon SiClx aluminum matrix composite disk (2-2) includes following components by percentage to the quality：
5~10wt% of SiC particulate；
Zn 7.0-9.6wt%, preferably 7.0-9.0wt%；
Mg 1.5-3.5wt%；
Cu 2.0-3.0wt%；
Zr 0.15-0.35wt%；
Sc 0.15-0.4wt%；
Surplus is Al powder and inevitable impurity.
Preferably, the preparation method of a kind of combined type composite material brake disc of the invention, prepares connection support plate (2) comprise the steps：
Step I
High silicon carbide aluminum matrix composite is prepared by the design component of high silicon carbide aluminum matrix composite disk (2-1)；It is right Gained high silicon carbide aluminum matrix composite carries out roughing, obtains high silicon carbide aluminum matrix composite disk crude green body；
Low-carbon SiClx aluminum matrix composite is prepared by the design component of low-carbon SiClx aluminum matrix composite disk (2-2)；It is right Gained low-carbon SiClx aluminum matrix composite carries out roughing, obtains low-carbon SiClx aluminum matrix composite disk crude green body；
Step II
The face to be connected of high silicon carbide aluminum matrix composite disk crude green body and low-carbon SiClx aluminum matrix composite disk crude green body is beaten It is milled to 0.5~2.5 μm of surface roughness Ra, cleaning, drying；
Step III
The face to be connected patch of high silicon carbide aluminum matrix composite and low-carbon SiClx aluminum matrix composite after step II is handled Merge the pressure for applying 20~40MPa along the vertical direction of binding face, hot pressing, hot pressing temperature is 520~620 DEG C, soaking time For 5~30 minutes, release afterwards, natural cooling in air obtained Gradient Aluminum Matrix connector base substrate；
Step IV
The Gradient Aluminum Matrix connector base substrate of step II is machined to the shape and size of layout design, and Counterbore (4) and mesopore (5)；Obtain by high silicon carbide aluminum matrix composite disk (2-1) and low-carbon SiClx aluminum matrix composite disk The connection support plate (2) of (2-2) composition.
In industrial applications, in step II, by high silicon carbide aluminum matrix composite and low-carbon SiClx aluminum matrix composite Face to be connected polished with sand paper, make 0.5~2.5 μm of surface roughness Ra, then with absolute ethyl alcohol clean surface.
In industrial applications, in step III, hot pressing can be carried out in atmosphere.
Preferably, a kind of preparation method of combined type composite material brake disc of the invention, the high silicon carbide aluminium The preparation method of based composites disk crude green body comprises the steps：
Step one
By by design component with SiC powder, Al-Mg-Si-Zr-Sc atomized powders, aluminium powder is taken, wherein the granularity of SiC powder be 10~ 20 μm, the granularity of Al-Mg-Si-Zr-Sc atomized powders is 50~150 μm, and the granularity of aluminium powder is 50~150 μm；
Step 2
The raw material of step one are put into blender, batch mixing 2~4 hours；
Step 3
Mixture cold is molded, and 250~350MPa of pressing pressure, pressing speed is 5~8mm/min, pressurize 40~50 Second, obtain high silicon carbide aluminum matrix composite pressed compact；
Step 4
High silicon carbide aluminum matrix composite pressed compact is sintered in a vacuum furnace, sintering temperature is 550~570 DEG C, soaking time is 1~2 hour, and control furnace pressure is less than or equal to 0.1Pa, then cools to less than 50 DEG C with the furnace and comes out of the stove, obtains To high silicon carbide aluminum matrix composite sintered blank；
Step 5
Hot pressing or warm and hot forging, control hot extrusion or hot forging are carried out to carborundum aluminum matrix composite sintered blank obtained by step 4 It is 390~440 DEG C to make temperature, and hot pressing ratio is 8~12：1, warm and hot forging controls pass deformation to be 60-90%, obtains deformable member；
Step 6
Deformable member is machined out by design size obtains high silicon carbide aluminum matrix composite disk crude green body.
Preferably, a kind of preparation method of combined type composite material brake disc of the invention, the low-carbon SiClx aluminium The preparation method of based composites disk crude green body comprises the steps：
Step is 1.
By design component with SiC particulate, Zn sources, Mg sources, Cu sources, Zr sources, Sc sources, Al is taken, Al is melted in smelting furnace, Then it will be placed in the Zr sources taken, Sc sources, Cu sources, Al, SiC particulate in molten aluminum；Stirred at 780~900 DEG C；Then drop Temperature adds with the Mg sources and Zn sources taken to 650~760 DEG C, stirs, refine, stand casting；Obtain strand；
Step is 2.
To step, 1. gained strand carries out Homogenization Treatments, obtains the strand after Homogenization Treatments；The Homogenization Treatments Temperature be 460~465 DEG C, the time be 36-48 hours；
Step is 3.
Hot extrusion or warm and hot forging, control hot extrusion or warm and hot forging temperature are carried out to the strand after step 2. gained Homogenization Treatments Spend for 390~440 DEG C, hot extrusion ratio is 8~12：1, warm and hot forging controls pass deformation to be 60-90%, obtains deformable member；
Step is 4.
Deformable member is subjected to solution treatment, solid solubility temperature is 480~510 DEG C, solution time 1~3 hour, water of coming out of the stove afterwards Quench or the temperature of oil quenching to part of quenching is 10~40 DEG C；
Step is 5.
After solution treatment, Ageing Treatment is carried out immediately, and to control aging temp be 120~130 DEG C, aging time is 20~24 Hour；After Ageing Treatment, roughing is carried out, low-carbon SiClx aluminum matrix composite disk crude green body is obtained.
Preferably, a kind of preparation method of combined type composite material brake disc of the invention, the preparation of frictional disk (1) Method comprises the steps：
Step A
By charcoal cloth and charcoal felt mass ratio 7.5~9：3~1, by 0 ° without latitude charcoal cloth, Carbon fibe net tire, 90 ° without latitude charcoal cloth, charcoal Web tire is successively after successively circulation superposition, and the method using relay-type acupuncture is introducing Carbon fibe beam system perpendicular to laying direction It is 0.3~0.6g/cm into density3The overall felt of 2.5D Carbon fibes acupuncture；
Step B
Will the overall felt of Carbon fibe acupuncture obtained by step A fix after be placed in high temperature furnace, under an argon atmosphere, in 1500~ 2100 DEG C, the preceding high-temperature heat treatment of progress 3~10 hours, pressure is pressure-fired, the overall felt before obtaining after high-temperature heat treatment；
Step C
Overall felt after preceding high-temperature heat treatment obtained by step B is subjected to chemical vapor deposition pyrolytic carbon processing, deposited Uniform and density is 1.0~1.5g/cm3Low density carbon carbon composite, the carbon-source gas of chemical vapor deposition are methane, third At least one of alkene, natural gas, diluent gas are nitrogen and/or hydrogen, and the volume ratio of carbon-source gas and diluent gas is 1:1 ~3, depositing temperature is 900~1050 DEG C, and sedimentation time is 100~300 hours.
Step D
Under inert protective atmosphere, in 1800~2300 DEG C, the low density carbon carbon composite obtained by step C is carried out high Warm graphitization processing, 2~5 hours processing times, is machined out into desired profile and size, thickness direction to each face afterwards Reserve thickness and be 1mm allowance, and process the counterbore (3) that support plate connection is connected with aluminum matrix composite；
Step E
The obtained carbon carbon composite base substrates of step D are positioned in the graphite crucible for being paved with silica flour, silicon particle size is 0.01~0.1 μm, purity is not less than 99%, and the quality of silica flour is 1.2~2.0 times of the theoretical silica flour needed, and carbon carbon is combined Body of material is lain on silica flour, then siliconising is carried out in 1500~1900 DEG C in vacuum high temperature furnace, and processing time is 1~2 small When, stove Inner is negative pressure or is filled with the pressure-fired of inert gas, obtains density for 1.8~2.5g/cm3Carbon ceramic composite material；
Step F
Thickness face is processed into the thickness gauge of product requirement by carbon ceramic composite material preform made from step E on grinding machine It is very little, obtain carbon ceramic composite material frictional disk.
A kind of application of combined type composite material brake disc of the present invention, including the brake disc is applied to bullet train On.
Principle and advantage：
Compared with prior art, its advantage is with good effect：
(1) the carbon ceramic composite material that the present invention is prepared using the method for the infiltration silicon in carbon carbon composite, not only has Higher mechanical property, and wear resistance and antioxygenic property greatly improve, it is compound with carbon pottery compared with steel brake disc Material can not only realize the significantly loss of weight of train as brake disc, and the heat endurance of carbon ceramic composite brake disc it is high, Without thermal vibration, service life that is wear-resistant, can significantly extending brake disc.
(2) compared with steel brake disc, the present invention is connected using carbon ceramic composite material frictional disk and Gradient Aluminum Matrix The train brake disk of support plate combination is connect, the further loss of weight of train, carbon ceramic composite material frictional disk and gradient is not only realized Structure aluminum matrix composite connection support plate binding pattern cause material distribution it is more reasonable, the impact strength of brake disc and Creep resistance is significantly improved, and the distribution of whole brake disc body temperature is improved, and the thermal stress produced during reduction braking is about 20%~30%, the loss of brake disc is substantially reduced during braking, and the life-span of brake disc significantly extends, and total quality is obtained compared to steel disk Significantly to reduce.
The aluminum matrix composite connection support plate of the present invention uses gradient-structure, and high-carbon is selected close to carbon pottery frictional disk side SiClx, the aluminum matrix composite without Cu, high silicon, heat transfer and supporting role are played in brake to carbon pottery frictional disk.It is close The temperature that one end of frictional disk is born in brake, far above 300 DEG C, at such a temperature, mechanical property shows conventional aluminum alloys Write reduction, it is therefore desirable to which the material close to one section of frictional disk is redesigned.Designed high silicon carbide aluminium in the present invention A large amount of carborundum and silicon are with the addition of in based composites, copper is not added with, the synergy through each component, its mechanical property and Properties of High Temperature Creep is far above conventional aluminum alloys.Side away from carbon pottery frictional disk contains high Zn, Mg, Cu from low-carbon SiClx Superhigh intensity aluminum matrix composite, effective supporting role is served to high silicon carbide aluminum matrix composite disk.By height carbonization The superhigh intensity aluminum matrix composite of silicon, the aluminum matrix composite of high silicon and low-carbon SiClx is by hot pressing connects, because both are Same type of material, therefore the shear strength of linkage interface is higher, with reference to densification.Compared with overall steel disk, such combined material Brake disc is expected while notable loss of weight and high heat conduction, and the high heat that frictional disk is brought when braking will not cause the notable of material Creep.
Brief description of the drawings
Accompanying drawing 1 is the principle schematic of novel combination type composite brake disk of the present invention；
Accompanying drawing 2a is the structural representation of combined type composite material brake disc prepared by embodiment 1；
Accompanying drawing 2b is accompanying drawing 2a longitudinal sectional view；
Accompanying drawing 3 checks and regulates the structural representation of disk (1) for carbon ceramic composite material friction in Fig. 2 a；
Accompanying drawing 4a is the structural representation of aluminum matrix composite connection support plate (2) in Fig. 2 a
Accompanying drawing 4b is Fig. 4 a longitudinal sectional view.
In figure, 1 be frictional disk, 2 be connect support plate, 3 be frictional disk counterbore on frictional disk, 4 be in connection support plate The counterbore corresponding with 3,5 are mesopore；2-1 is high silicon carbide aluminum matrix composite disk；2-2 is low-carbon SiClx aluminum matrix composite Disk；A is that rubbing surface, B on frictional disk is non-rubbing surface on frictional disk.
Embodiment
With reference to the accompanying drawing of the present invention, technical scheme is clearly and completely described, it is clear that retouched The embodiment stated is only a part of embodiment in technical scheme described in the present invention, rather than whole embodiments.It is based on Embodiments of the invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made Example is applied, protection scope of the present invention is belonged to.
Shown in reference picture 2~4, this combined type composite material train brake disk, it is compound that braking disk body includes a carbon pottery Material friction disk 1 and a Gradient Aluminum Matrix connection support plate 2；The friction of carbon ceramic composite material is checked and regulated to be included on disk 1 Several keyholes 3；Gradient Aluminum Matrix connects support plate 2 by high silicon carbide aluminum matrix composite disk 2-1 and low-carbon SiClx Aluminum matrix composite disk 2-2；Also include several positions and carbon pottery composite wood in Gradient Aluminum Matrix connection support plate 2 Expect the corresponding counterbore 4 of counterbore 3 of frictional disk 1, and mesopore 5；Carbon ceramic composite material is rubbed successively with copper or steel rivet Disk 1 and Gradient Aluminum Matrix connection support plate 2 carry out cold riveting link into an integrated entity, rivet force be 0.7~1MPa, and carbon make pottery The non-rubbing surface B of composite frictional disk 1 is corresponding with high silicon carbide aluminum matrix composite disk 2-1 card C.In use, this hair The bright mesopore 6 for connecting support plate 2 by aluminum matrix composite is connected with train wheel hub, and carbon ceramic composite material frictional disk 1 rubs Wiping face A is working face.Being braked for a long time through brake when the carbon ceramic composite material frictional disk 1 of brake disc causes thickness to diminish, When needing to change by regulation, demounting bolt, changing frictional disk can be continuing with.
In the present embodiment, the preparation method of frictional disk (1) comprises the steps：
Step A
By charcoal cloth and charcoal felt mass ratio 4：1, by 0 ° without latitude charcoal cloth, Carbon fibe net tire, 90 ° without latitude charcoal cloth, Carbon fibe net tire Successively after successively circulation superposition, use the method for relay-type acupuncture perpendicular to laying direction introduce Carbon fibe beam be made density for 0.5g/cm3The overall felt of 2.5D Carbon fibes acupuncture；
Step B
It is placed in after the overall felt of Carbon fibe acupuncture obtained by step A is fixed in high temperature furnace, under an argon atmosphere, in 1800 DEG C, The preceding high-temperature heat treatment of progress 10 hours, pressure is pressure-fired, the overall felt before obtaining after high-temperature heat treatment；
Step C
Overall felt after preceding high-temperature heat treatment obtained by step B is subjected to chemical vapor deposition pyrolytic carbon processing, deposited Uniform and density is 1.2g/cm3Low density carbon carbon composite, the carbon-source gas of chemical vapor deposition are methane, propylene, day At least one of right gas, diluent gas is nitrogen and/or hydrogen, and the volume ratio of carbon-source gas and diluent gas is 1:2, deposition Temperature is 1050 DEG C, and sedimentation time is 200 hours.
Step D
Under inert protective atmosphere, in 2100 DEG C, pyrographite is carried out to the low density carbon carbon composite obtained by step C Change is handled, and 4 hours processing times, is machined out into desired profile and size to each face afterwards, thickness direction reserves thickness For 1mm allowance, and process the counterbore (3) that support plate connection is connected with aluminum matrix composite；
Step E
The obtained carbon carbon composite base substrates of step D are positioned in the graphite crucible for being paved with silica flour, silicon particle size is 0.05 μm, purity is not less than 99%, and the quality of silica flour is 2 times of the theoretical silica flour needed, and carbon carbon composite base substrate is kept flat Siliconising is carried out in 1800 DEG C on silica flour, then in vacuum high temperature furnace, processing time is 2 hours, and stove Inner is negative pressure or is filled with The pressure-fired of inert gas, obtains density for 2.5g/cm3Carbon ceramic composite material；
Step F
Thickness face is processed into the thickness gauge of product requirement by carbon ceramic composite material preform made from step E on grinding machine It is very little, obtain carbon ceramic composite material frictional disk.
In the present embodiment, the preparation of high silicon carbide aluminum matrix composite needed for high silicon carbide aluminum matrix composite disk (2-1) Method is：
Step is 1.
Dispensing, SiC particulate 30wt%, Al-Mg-Si-Zr-Sc atomized powder 60wt% are carried out on request；
Surplus is Al powder and inevitable impurity；
Wherein the granularity of SiC powder is 20 μm, and the granularity of Al-Mg-Si-Zr-Sc atomized powders is 50 μm, and the granularity of aluminium powder is 100μm；
Step 1. described in Al-Mg-Si-Zr-Sc atomized powders with mass percent include following components：
Mg 7wt%；
Si 30wt%；
Zr 1.0wt%；
Sc 1.0wt%；
Surplus is Al.
Step is 2.
The raw material of step 1. are put into blender, batch mixing 3 hours.
Step is 3.
Mixture cold is molded, and pressing pressure 300MPa, pressing speed is 5mm/min, and pressurize 40 seconds obtains high carbonization Sial based composites pressed compact.
Step is 4.
High silicon carbide aluminum matrix composite pressed compact is sintered in a vacuum furnace, sintering temperature is 560 DEG C, insulation Time is 1.5 hours, and control furnace pressure is less than or equal to 0.1Pa, then cools to less than 50 DEG C with the furnace and comes out of the stove, obtains high carbonization Sial based composites sintered blank.
Step is 5.
To step, 4. gained carborundum aluminum matrix composite sintered blank carries out hot pressing, controls hot extrusion or the warm and hot forging temperature to be 440 DEG C, hot pressing ratio is 10：1, obtain deformable member；
Step is 6.
To gained high silicon carbide aluminum matrix composite deformable member by being sized carrying out roughing, standby high silicon carbide is obtained Aluminum matrix composite.
In the present embodiment, the material of low-carbon SiClx aluminum matrix composite disk (2-2) is low-carbon SiClx aluminum matrix composite；Institute The preparation method for stating low-carbon SiClx aluminum matrix composite comprises the steps：
Step one
Match somebody with somebody by design component and take SiC particulate (granularity is 10 μm), Zn sources, Mg sources, Cu sources, Zr sources, Sc sources, Al and then incite somebody to action It is placed in the Zr sources taken, Sc sources, Cu sources, Al, SiC particulate in smelting furnace；Stirred at 860 DEG C；Then 720 DEG C are cooled to, Add with the Mg sources and Zn sources taken, stir, refine, stand casting；Obtain strand；
Step 2
Homogenization Treatments are carried out to step one gained strand, the strand after Homogenization Treatments is obtained；The Homogenization Treatments Temperature be 460~465 DEG C；Time is 4 hours；
Step 3
Hot extrusion is carried out to the strand after Homogenization Treatments obtained by step 2, the temperature for controlling hot extrusion is 420 DEG C, hot extrusion Pressure ratio is 9：1, obtain deformable member；
Step 4
Deformable member is subjected to solution treatment, solid solubility temperature is 500 DEG C, solution time 1.5 hours, come out of the stove afterwards water quenching or oil It is 25 DEG C to quench to the temperature for part of quenching；
Step 5
After solution treatment, Ageing Treatment is carried out immediately, and to control aging temp be 120 DEG C, aging time is 20 hours, is obtained The low-carbon SiClx aluminum matrix composite.
Gained low-carbon SiClx aluminum matrix composite includes following components by percentage to the quality：
SiC 8.0wt%；
Zn 9.0wt%；
Mg 2.5wt%；
Cu 2.5wt%；
Zr 0.25wt%；
Sc 0.30wt%；
Surplus is Al and inevitable impurity.
Zr sources used are Al-Zr intermediate alloys；Sc sources are Al-Sc intermediate alloys；Cu sources Al-Cu intermediate alloys.The Zn Source is pure Zn ingots, and the Mg sources are pure Mg ingots.
By step 5 and step 4. products obtained therefrom, by following step, connection support plate (2) is obtained：
Step I
The face to be connected of high silicon carbide aluminum matrix composite and low-carbon SiClx aluminum matrix composite is polished with sand paper, makes table 1.0 μm of surface roughness Ra, then cleans surface with absolute ethyl alcohol；
Step II
Face to be connected laminating and edge by the high silicon carbide aluminum matrix composite of step I and low-carbon SiClx aluminum matrix composite The vertical direction of binding face applies 40MPa pressure, and hot pressing is carried out in atmosphere, and hot pressing temperature is 580 DEG C, and soaking time is 5 Minute, release afterwards, natural cooling obtains Gradient Aluminum Matrix connector base substrate；
Step III
The Gradient Aluminum Matrix connector base substrate of step II is machined to the shape and size of layout design, and added Work mesopore, and the counterbore being connected with carbon ceramic composite material frictional disk, are polished each face on grinding machine, are obtained by height carbonization The connection support plate (2) of sial based composites disk (2-1) and low-carbon SiClx aluminum matrix composite disk (2-2) composition.
Connection support plate (2) obtained by step III is passed through into steel rivet with carbon ceramic composite material frictional disk；Made Moving plate；The performance detection of the brake disc each several part is as shown in table 1.Under different braking speed, the friction of brake disc of the present invention Polishing machine is shown in Table 2.Experiment condition is：Dry friction：Brake pressure 1MPa, sliding speed is respectively 8ms-1、16m·s-1、 24m·s-1, 2000 turns of coasting distance, mating plate is 30CrMoSiVA steel alloys.
The performance detection value for the combined type composite material brake disc each several part that the embodiment 1 of table 1 is developed
Friction and wear behavior of the combined type composite material brake disc of the embodiment 1 of table 2 exploitation under different braking
Each component combination is into after brake disc, through experiment test, with traditional steel brake disc, carbon ceramic Moving plate, aluminium base system Moving plate, carbon ceramic composite material frictional disk and single high silicon carbide aluminum matrix composite connection support plate combination brake disc, carbon pottery are multiple Condensation material frictional disk is compared with single low-carbon SiClx aluminum matrix composite connection support plate combination brake disc, and carbon ceramic composite material rubs Wipe disk and Gradient Aluminum Matrix connection support plate combines brake disc under high-frequency damped condition, its anti-wear performance and mechanics Performance is significantly improved, and thermal stress is greatly reduced.Temperature is up to 400~500 DEG C during the braking of pure carbon ceramic composite brake disc, by The high heat conductivility of aluminum matrix composite, the temperature of combined type composite material brake disc of the invention only has 180 DEG C~300 DEG C. The design requirement of high ferro of future generation is adapted to completely.

Claims (10)

1. a kind of combined type composite material brake disc, the combined type composite material brake disc includes frictional disk (1) and connection branch Support plate (2)；It is characterized in that：The material of the frictional disk (1) is carbon ceramic composite material, the material of the connection support plate (2) For Gradient Aluminum Matrix；Contain SiC in the Gradient Aluminum Matrix, according to SiC content, by gradient aluminum-base composite material Material is divided into the SiC content at any one position in E regions and F regions, the E regions and contained more than any one position SiC in F regions Amount；After frictional disk (1) and connection support plate (2) assembling, combined type composite material brake disc is obtained；Along combined type composite material The direction of disc thickness, the minimum range in the E regions to frictional disk (1) is less than F regions to the most narrow spacing of frictional disk (1) From.
2. a kind of combined type composite material brake disc according to claim 1, it is characterised in that：The connection support plate (2) it is made up of high silicon carbide aluminum matrix composite disk (2-1) and low-carbon SiClx aluminum matrix composite disk (2-2)；The high carbonization Sial based composites disk (2-1) includes following raw materials by percentage to the quality：
20~30wt% of SiC particulate；
Al-Mg-Si-Zr-Sc atomized powders 50-60wt%；
Surplus is Al powder and inevitable impurity；
The Al-Mg-Si-Zr-Sc atomized powders include following components with mass percent：
Mg 1-7wt%；
Si 25-30wt%；
Zr 0.3-1.0wt%；
0.25~1.0wt% of Sc；
Surplus is Al；
The low-carbon SiClx aluminum matrix composite disk (2-2) includes following components by percentage to the quality：
5~10wt% of SiC particulate；
Zn 7.0-9.6wt%；
Mg 1.5-3.5wt%；
Cu 2.0-3.0wt%；
Zr 0.15-0.35wt%；
Sc 0.15-0.4wt%；
Surplus is Al powder and inevitable impurity.
3. a kind of combined type composite material brake disc according to claim 1, it is characterised in that：Connect support plate (2) with Frictional disk (1) is integrally formed by riveting；After riveting；Along the combined type composite material disc thickness direction, connection support The minimum range of low-carbon SiClx aluminum matrix composite disk (2-2) to frictional disk (1) on disk (2) is more than in connection support plate (2) High silicon carbide aluminum matrix composite disk (2-1) arrive frictional disk (1) minimum range.
4. a kind of combined type composite material brake disc according to claim 2, it is characterised in that：
The combined type composite material brake disc includes carbon ceramic composite material frictional disk (1) and Gradient Aluminum Matrix connection branch Support plate (2)；The carbon ceramic composite material frictional disk (1) includes B faces and A faces, and the A faces are rubbing surface, and B faces are non-rubbing surface； The high silicon carbide aluminum matrix composite disk (2-1) and low-carbon SiClx aluminum matrix composite disk (2-2) are made up of described hot pressing Connect support plate (2)；After frictional disk (1) and connection support plate (2) assembling, along the side of combined type composite material disc thickness To the minimum range of the high silicon carbide aluminum matrix composite disk (2-1) to B faces is less than its minimum range for arriving A faces.
5. a kind of combined type composite material brake disc according to claim 2, it is characterised in that：
The carbon ceramic composite material frictional disk (1) includes n frictional disk counterbore (3)；
The connection support plate (2) is provided with the n position counterbore (4) corresponding with frictional disk counterbore (3), and m mesopore (5)；Counterbore (4) mesopore (5) runs through high silicon carbide aluminum matrix composite disk (2-1) and low-carbon SiClx aluminum matrix composite Disk (2-2)；
Support plate (2) and frictional disk (1) cold riveting will be connected by frictional disk counterbore (3) and corresponding counterbore (4) with rivet It is connected into an entirety；Cold riveting is connected into after an entirety, and rivet force is 0.7~1MPa；After cold riveting, combined type composite material is obtained Brake disc, the minimum in B faces is arrived along the direction high silicon carbide aluminum matrix composite disk (2-1) of combined type composite material disc thickness Distance is -0.05mm~0.05mm.
6. a kind of method for preparing the combined type composite material brake disc as described in claim 1-5 any one, its feature exists In：
Connection support plate (2) is assembled with frictional disk (1)；Obtain the combined type composite material brake disc；The friction The material of disk (1) is carbon ceramic composite material；The connection support plate (2) is by high silicon carbide aluminum matrix composite disk (2-1) and low Carborundum aluminum matrix composite disk (2-2) is by being composited；
The high silicon carbide aluminum matrix composite disk (2-1) includes following raw materials by percentage to the quality：
20~30wt% of SiC particulate；
Al-Mg-Si-Zr-Sc atomized powders 50-60wt%；
Surplus is Al powder and inevitable impurity；
The Al-Mg-Si-Zr-Sc atomized powders include following components with mass percent：
Mg 1-7wt%；
Si 25-30wt%；
Zr 0.3-1.0wt%；
0.25~1.0wt% of Sc；
Surplus is Al；
The low-carbon SiClx aluminum matrix composite disk (2-2) includes following components by percentage to the quality：
5~10wt% of SiC particulate；
Zn 7.0-9.6wt%；
Mg 1.5-3.5wt%；
Cu 2.0-3.0wt%；
Zr 0.15-0.35wt%；
Sc 0.15-0.4wt%；
Surplus is Al powder and inevitable impurity.
7. a kind of preparation method of combined type composite material brake disc according to claim 6, it is characterised in that：The company of preparation Support plate (2) is connect to comprise the steps：
Step I
High silicon carbide aluminum matrix composite is prepared by the design component of high silicon carbide aluminum matrix composite disk (2-1)；To gained High silicon carbide aluminum matrix composite carries out roughing, obtains high silicon carbide aluminum matrix composite disk crude green body；
Low-carbon SiClx aluminum matrix composite is prepared by the design component of low-carbon SiClx aluminum matrix composite disk (2-2)；To gained Low-carbon SiClx aluminum matrix composite carries out roughing, obtains low-carbon SiClx aluminum matrix composite disk crude green body；
Step II
The face to be connected of high silicon carbide aluminum matrix composite disk crude green body and low-carbon SiClx aluminum matrix composite disk crude green body is polishing to 0.5~2.5 μm of surface roughness Ra, cleaning, drying；
Step III
The face to be connected of high silicon carbide aluminum matrix composite and low-carbon SiClx aluminum matrix composite is fitted simultaneously after step II is handled Apply hot pressing in 20~40MPa pressure, air along the vertical direction of binding face, hot pressing temperature is 520~620 DEG C, during insulation Between be 5~30 minutes, release afterwards, natural cooling in air obtains Gradient Aluminum Matrix connector base substrate；
Step IV
The Gradient Aluminum Matrix connector base substrate of step II is machined to the shape and size of layout design, and counterbore And mesopore (5) (4)；Obtain by high silicon carbide aluminum matrix composite disk (2-1) and low-carbon SiClx aluminum matrix composite disk (2-2) The connection support plate (2) of composition.
8. a kind of preparation method of combined type composite material brake disc according to claim 7, it is characterised in that；
The preparation method of the high silicon carbide aluminum matrix composite disk crude green body comprises the steps：
Step one
By by design component, with SiC powder, Al-Mg-Si-Zr-Sc atomized powders, aluminium powder is taken, the wherein granularity of SiC powder is 10~20 μ The granularity of m, Al-Mg-Si-Zr-Sc atomized powder is 50~150 μm, and the granularity of aluminium powder is 50~150 μm；
Step 2
The raw material of step one are put into blender, batch mixing 2~4 hours；
Step 3
Mixture cold is molded, and 250~350MPa of pressing pressure, pressing speed is 5~8mm/min, and pressurize 40~50 seconds is obtained To high silicon carbide aluminum matrix composite pressed compact；
Step 4
High silicon carbide aluminum matrix composite pressed compact is sintered in a vacuum furnace, sintering temperature is 550~570 DEG C, is protected The warm time is 1~2 hour, and control furnace pressure is less than or equal to 0.1Pa, then cools to less than 50 DEG C with the furnace and comes out of the stove, obtains height Carborundum aluminum matrix composite sintered blank；
Step 5
Hot pressing or warm and hot forging, control hot extrusion or warm and hot forging temperature are carried out to carborundum aluminum matrix composite sintered blank obtained by step 4 Spend for 390~440 DEG C, hot pressing ratio is 8~12：1, warm and hot forging controls pass deformation to be 60-90%, obtains deformable member；
Step 6
Deformable member is machined out by design size obtains high silicon carbide aluminum matrix composite disk crude green body；
The preparation method of the low-carbon SiClx aluminum matrix composite disk crude green body comprises the steps：
Step is 1.
By design component with SiC particulate, Zn sources, Mg sources, Cu sources, Zr sources, Sc sources, Al is taken, Al is melted in smelting furnace, then It will be placed in the Zr sources taken, Sc sources, Cu sources, Al, SiC particulate in molten aluminum；Stirred at 780~900 DEG C；Then it is cooled to 650~760 DEG C, add with the Mg sources and Zn sources taken, stir, refine, stand casting；Obtain strand；
Step is 2.
To step, 1. gained strand carries out Homogenization Treatments, obtains the strand after Homogenization Treatments；The temperature of the Homogenization Treatments Degree is 460~465 DEG C, the time is 36-48 hours；
Step is 3.
Hot extrusion or warm and hot forging are carried out to the strand after step 2. gained Homogenization Treatments, control hot extrusion or the warm and hot forging temperature to be 390~440 DEG C, hot extrusion ratio is 8~12：1, warm and hot forging controls pass deformation to be 60-90%, obtains deformable member；
Step is 4.
Deformable member is subjected to solution treatment, solid solubility temperature is 480~510 DEG C, solution time 1~3 hour, come out of the stove afterwards water quenching or The temperature of oil quenching to part of quenching is 10~40 DEG C；
Step is 5.
After solution treatment, Ageing Treatment is carried out immediately, and to control aging temp be 120~130 DEG C, aging time is 20~24 small When；After Ageing Treatment, roughing is carried out, low-carbon SiClx aluminum matrix composite disk crude green body is obtained.
9. a kind of preparation method of combined type composite material brake disc according to claim 6, it is characterised in that；Frictional disk (1) preparation method comprises the steps：
Step A
By charcoal cloth and charcoal felt mass ratio 7.5~9：3~1, by 0 ° without latitude charcoal cloth, Carbon fibe net tire, 90 ° without latitude charcoal cloth, Carbon fibe Net tire successively successively circulation superposition after, using relay-type acupuncture method perpendicular to laying direction introduce Carbon fibe beam be made it is close Spend for 0.3~0.6g/cm3The overall felt of 2.5D Carbon fibes acupuncture；
Step B
It is placed in after the overall felt of Carbon fibe acupuncture obtained by step A is fixed in high temperature furnace, under an argon atmosphere, in 1500~2100 DEG C, the preceding high-temperature heat treatment of progress 3~10 hours, pressure is pressure-fired, the overall felt before obtaining after high-temperature heat treatment；
Step C
Overall felt after preceding high-temperature heat treatment obtained by step B is subjected to chemical vapor deposition pyrolytic carbon processing, depositing homogeneous is obtained And density is 1.0~1.5g/cm3Low density carbon carbon composite, the carbon-source gas of chemical vapor deposition are methane, propylene, At least one of natural gas, diluent gas is nitrogen and/or hydrogen, and the volume ratio of carbon-source gas and diluent gas is 1:1~ 3, depositing temperature is 900~1050 DEG C, and sedimentation time is 100~300 hours.
Step D
Under inert protective atmosphere, in 1800~2300 DEG C, high fire stons is carried out to the low density carbon carbon composite obtained by step C Blackization processing, 2~5 hours processing times, is machined out into desired profile and size, thickness direction is reserved to each face afterwards Thickness is 1mm allowance, and processes the counterbore (3) that support plate connection is connected with aluminum matrix composite；
Step E
The obtained carbon carbon composite base substrates of step D are positioned in the graphite crucible for being paved with silica flour, silicon particle size be 0.01~ 0.1 μm, purity is not less than 99%, and the quality of silica flour is 1.2~2.0 times of the theoretical silica flour needed, by carbon carbon composite base Body is lain on silica flour, then siliconising is carried out in 1500~1900 DEG C in vacuum high temperature furnace, and processing time is 1~2 hour, stove Inner It is negative pressure or is filled with the pressure-fired of inert gas, obtains density for 1.8~2.5g/cm3Carbon ceramic composite material；
Step F
Thickness face is processed into the thickness of product requirement by carbon ceramic composite material preform made from step E on grinding machine, Obtain carbon ceramic composite material frictional disk.
10. a kind of application of the combined type composite material brake disc as described in claim 1-5 any one, including by the braking Disk is applied on bullet train.
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