CN106090082A - A kind of preparation method of carbon carbon composite brake disc - Google Patents
A kind of preparation method of carbon carbon composite brake disc Download PDFInfo
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- CN106090082A CN106090082A CN201610433478.2A CN201610433478A CN106090082A CN 106090082 A CN106090082 A CN 106090082A CN 201610433478 A CN201610433478 A CN 201610433478A CN 106090082 A CN106090082 A CN 106090082A
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- Prior art keywords
- carbon
- brake disc
- composite
- temperature
- preform
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Classifications
-
- 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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Compositions of linings; Methods of manufacturing
- F16D69/023—Composite materials containing carbon and carbon fibres or fibres made of carbonizable material
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
- C04B35/80—Fibres, filaments, whiskers, platelets, or the like
- C04B35/83—Carbon fibres in a carbon matrix
-
- 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
- F16D65/126—Discs; Drums for disc brakes characterised by the material used for the disc body the material being of low mechanical strength, e.g. carbon, beryllium; Torque transmitting members therefor
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
- C04B2235/524—Non-oxidic, e.g. borides, carbides, silicides or nitrides
- C04B2235/5248—Carbon, e.g. graphite
-
- 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
- F16D2200/0052—Carbon
-
- 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
- F16D2250/0038—Surface treatment
-
- 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
- F16D2250/0061—Joining
- F16D2250/0069—Adhesive bonding
Abstract
The invention discloses the preparation method of a kind of carbon carbon composite brake disc.Brake disc prepared by the present invention, use carbon carbon composite, special process and parameter is used to improve the mechanical performance of material, preparation process carries out surface crust process to brake disc, and by the suitable CVI technological parameter of control, make brake disc surface define the pyrolytic carbon of densification, improve product quality, extend the service life of product.
Description
Technical field
The present invention relates to the preparation method of a kind of carbon-carbon composite brake disc.
Background technology
The brake disc being presently used on aircraft mainly has C/C material and powdered metallurgical material two class.Powder metallurgy brake material
Material has the disadvantage that: easy bonding under high temperature, and weight is big, and heat fading is obvious, and elevated temperature strength declines, thermal shock resistance difference, the longevity
Order short etc..
Carbon/carbon compound material has that specific strength, specific modulus are big, and high-temperature mechanical property is good, and it is excellent that friction and wear behavior is stable etc.
Point is widely used in manufacture high energy brake apparatus brake disc.Since the seventies, carbon/carbon compound material brake disc is by domestic and international crowd
Many aircrafts use in a large number.
In prior art, chemical vapor infiltration technique is to prepare the main method of carbon-carbon composites, isothermal chemical gaseous phase
Osmosis process equipment is simple and convenient to operate, strong to complicated shape goods handlability, has the spy that a stove multiple products permeates simultaneously
Point, occupies extremely important status in carbon-carbon composites preparation field.It is disadvantageous in that: isothermal chemical vapor infiltration work
There is the competition between pyrolytic reaction, deposition reaction and gas diffusion in skill, sedimentation rate is more than diffusion rate, causes charcoal charcoal to be combined
There is serious density gradient in material, surface crust phenomenon even occurs.
Content of the invention
The present invention provides the preparation method of a kind of carbon-carbon composite brake disc, uses the method technique controlled, and using should
Brake disc prepared by method, resistance to elevated temperatures is strong, and mechanical performance is excellent.
To achieve these goals, the present invention provides the preparation method of a kind of carbon-carbon composite brake disc, the method bag
Include following steps:
(1) carbon-carbon composite is prepared
Under vacuum, carbon fiber is put into calcination 2-3h in 2150 DEG C of-2225 DEG C of environment, by the carbon fiber substrate after calcination
Soak 50-80min with the mixed solution of nitric acid and sulfuric acid at 50-70 DEG C, then with deionized water rinsing to neutral, finally dry
Stand-by；
Take 10-12mL composite catalyst, the ammoniacal liquor 90-120mL adding concentration to be 2mol/L, add 30-50mL absolute ethyl alcohol,
Stirring makes it mix；
By mixed solution transfer in autoclave, the prefabricated carbon fiber body of gained is put in kettle dipping 8-10h；
Reactor is immersed reaction 2-3h in the oil bath of 120-140 DEG C；
With cold water to reactor chilling so that it is temperature is down to room temperature, take out prefabricated carbon fiber body, cloudy in the case of constantly stirring
Dry；
The sample of gained proceeds to calcination in vacuum carbon tube furnace, reduction, and the carbon fiber that must be loaded with metallic catalyst Ni particle is pre-
Body processed；
It is loaded in gained prefabricated carbon fiber body in vacuum carbon tube furnace, carry out depositing density.Wherein, main technologic parameters is: temperature
Spending 1200-1300 DEG C, pipe natural gas gas flow scope is 5-7L, and atmosphere pressures control is 1.5-2KPa, and sedimentation time is
50-60h；
Sample after gained is deposited density high temperature graphitization at a temperature of 2200-2250 DEG C processes 2h-3h, after naturally cooling down
To composite carbon fibrous material；
By phenolic resin and ethanol mix and blend in proportion, after phenolic resin is completely dissolved, continues stirring a period of time, make phenolic aldehyde
Resin and ethanol mix, general 10-15min, add appropriate acidic catalyst, stir, typically continue
Stirring 10-15min, obtains uniform and stable phenol resin solution, and described phenolic resin is 1 with the mass ratio of ethanol:
(1-5)；
Catalyst choice acetic acid, preferred addition is the 6-10% of phenolic resin quality；.
Vacuum impregnation: be immersed in above-mentioned composite carbon fibrous material in described phenol resin solution, enter under air-tight state
Row vacuum impregnation；
Heat under air-tight state, make the low-density composite carbon fibrous material being immersed in phenol resin solution steam at saturated ethanol
Vapour environment solidifies, it is thus achieved that the graininess carbon base body of nanoscale；
Solidification overall process completes in excessive alcohol solvent, and carbon resin precursor, in closed container, is satisfied at high temperature and ethanol
With the lower crosslinking curing of common effect of vapour pressure, the nanometer that carbon resin precursor solidifies generation cross-linked structure in excess ethyl alcohol is coagulated
Glue；
Curing process is: by the heating rate of 40-60 DEG C/h by room temperature to 150-180 DEG C, is incubated 2-3h, then presses 10-20
DEG C/heating rate of h is warming up to 190-210 DEG C, it is incubated 3-4 hour, after being naturally cooling to less than 100 DEG C, cooling water can be passed through
Or air-cooled fast cooling；
Graininess carbon base body after solidification, removes the phenolic aldehyde block of surface attachment, presses the intensification of 100-150 DEG C/h under nitrogen protection
Ramp carries out Pintsch process to 900-1150 DEG C, obtains carbon-carbon composite；
(2) brake disc preform is processed
Processing brake disc preform according to design drawing, described brake disc preform has two pieces, the brake disc that will process
Preform puts into the deposition that CVI stove carries out routine.Deposition parameter is: CVI stove furnace temperature is 1150-1250 DEG C, CVI furnace pressure
≤ 10KPa, sedimentation time 75-100h, gas discharge be 4000-4500L/h, flow rate of propane gas be 600-750L/h, obtain
Through the brake disc preform that surface crust is processed；
(3) carbon-carbon composite is loaded
Carbon-carbon composite is loaded into respectively described phase transformation on two pieces of brake disc preforms that surface crust is processed
In energy storage filling notch, the volume of filling is the 85%-90% of energy storage sump volume；
(4) graphite paper is covered
Cutting graphite paper, the appearance and size of this graphite paper is suitable with the appearance and size of energy storage groove, is placed in the graphite paper cutting
In described filling notch, and this graphite paper is made to cover carbon-carbon composite surface；
(5) brushing bonding agent
Bonding agent is brushed respectively in brake disc preform non-rubbing surface, carbon rivet surface and rivet hole, every square centimeter
Brushing amount be 1-1.5g；The temperature that is suitable to of described bonding agent is 850-900 DEG C；
(6) involutory, drying and heat treatment
By involutory for the non-rubbing surface of the described two pieces of brake disc preforms being painted with bonding agent；Carbon rivet riveting is entered rivet hole；
One graphite counterweight is placed on involutory after two pieces of brake disc pre-form surface, make two pieces to stop by the weight of this graphite counterweight
Intimate contact between hull preform；
By described involutory after brake disc preform and mass put into oven for drying together.Oven temperature 170-200 DEG C, dries
The dry time is 3-4h；
Brake disc preform after drying and mass are put in high temperature furnace, use conventional method to be heat-treated；At Re
Reason parameter: be evacuated to≤1000Pa, be warming up to 800-850 DEG C to heat-treatment furnace, insulation 1-2h is heat-treated；Insulation knot
Shu Hou, cools to room temperature with the furnace, obtains brake disc.
Brake disc prepared by the present invention, uses carbon-carbon composite, uses special process and parameter to improve the machine of material
Tool performance, carries out surface crust process, and by the suitable CVI technological parameter of control, makes brake to brake disc in preparation process
Panel surface defines the pyrolytic carbon of densification, improves product quality, extends the service life of product.
Detailed description of the invention
Embodiment one
Under vacuum, carbon fiber is put in 2150 DEG C of environment calcination 2h, by the carbon fiber substrate nitric acid after calcination and
The mixed solution of sulfuric acid soaks 50min at 50 DEG C, then with deionized water rinsing to neutral, finally dries stand-by.
Take 10mL composite catalyst, the ammoniacal liquor 90mL adding concentration to be 2mol/L, add 30mL absolute ethyl alcohol, stirring makes
It mixes.By mixed solution transfer in autoclave, the prefabricated carbon fiber body of gained is put in kettle dipping 8h.
Reactor is immersed reaction 2h in the oil bath of 120 DEG C.With cold water to reactor chilling so that it is temperature is down to room temperature, take out carbon fine
Dimension precast body, dries in the shade in the case of constantly stirring.The sample of gained is proceeded to calcination in vacuum carbon tube furnace, reduction, obtains loading
There is the prefabricated carbon fiber body of metallic catalyst Ni particle.In composite catalyst, the mol ratio of Ni, La, Al is: Ni:La:Al=10:
1:4。
It is loaded in gained prefabricated carbon fiber body in vacuum carbon tube furnace, carry out depositing density.Wherein, main technologic parameters
For: temperature 1200 DEG C, pipe natural gas gas flow scope is 5L, and atmosphere pressures control is 1.5KPa, and sedimentation time is 50h.
Sample after gained is deposited density high temperature graphitization at a temperature of 2200 DEG C processes 2h, is answered after naturally cooling down
Close carbon fibre material.
By phenolic resin and ethanol mix and blend in proportion, after phenolic resin is completely dissolved, continues stirring a period of time, make phenolic aldehyde
Resin and ethanol mix, general 10min, add appropriate acidic catalyst, stir, and general continuation stirs
10min, obtains uniform and stable phenol resin solution, and described phenolic resin is 1:1 with the mass ratio of ethanol；Catalyst
Selecting acetic acid, preferred addition is the 6% of phenolic resin quality.
Vacuum impregnation: be immersed in above-mentioned composite carbon fibrous material in described phenol resin solution, enter under air-tight state
Row vacuum impregnation.
Heat under air-tight state, make the low-density composite carbon fibrous material being immersed in phenol resin solution in saturated second
Alcohol steam ambient solidifies, it is thus achieved that the graininess carbon base body of nanoscale.
Solidification overall process completes in excessive alcohol solvent, and carbon resin precursor is in closed container, in high temperature and second
The lower crosslinking curing of common effect of alcohol saturated vapor pressure, carbon resin precursor solidifies receiving of generation cross-linked structure in excess ethyl alcohol
Rice gel.
Curing process is: by the heating rate of 40 DEG C/h by room temperature to 150 DEG C, is incubated 2h, then by the liter of 10 DEG C/h
Temperature ramp, to 190 DEG C, is incubated 3 hours, after being naturally cooling to less than 100 DEG C, can be passed through cooling water or air-cooled fast cooling.
Graininess carbon base body after solidification, removes the phenolic aldehyde block of surface attachment, under nitrogen protection by the intensification of 100 DEG C/h
Ramp carries out Pintsch process to 900 DEG C, obtains carbon-carbon composite.
Processing brake disc preform according to design drawing, described brake disc preform has two pieces, by stopping of processing
Hull preform puts into the deposition that CVI stove carries out routine.Deposition parameter is: CVI stove furnace temperature is 1150 DEG C, CVI furnace pressure
≤ 10KPa, sedimentation time 75h, gas discharge be 4000L/h, flow rate of propane gas be 600L/h, obtain at surface crust
The brake disc preform of reason.
Carbon-carbon composite is loaded into respectively described on two pieces of brake disc preforms that surface crust is processed
In phase-change accumulation energy filling notch, the volume of filling is the 85%-90% of energy storage sump volume.
Cutting graphite paper, the appearance and size of this graphite paper is suitable with the appearance and size of energy storage groove, the graphite paper that will cut
It is placed in described filling notch, and make this graphite paper cover carbon-carbon composite surface.
Bonding agent is brushed respectively in brake disc preform non-rubbing surface, carbon rivet surface and rivet hole, every square
Centimetre brushing amount be 1g；The temperature that is suitable to of described bonding agent is 850 DEG C.
By involutory for the non-rubbing surface of the described two pieces of brake disc preforms being painted with bonding agent；Carbon rivet riveting is entered rivet
Hole；One graphite counterweight is placed on involutory after two pieces of brake disc pre-form surface, make two by the weight of this graphite counterweight
Intimate contact between block brake disc preform.
By described involutory after brake disc preform and mass put into oven for drying together.Oven temperature 170 DEG C, dries
The dry time is 3h.
Brake disc preform after drying and mass are put in high temperature furnace, use conventional method to be heat-treated；
Heat treatment parameter: be evacuated to≤1000Pa, is warming up to 800 DEG C to heat-treatment furnace, and insulation 1h is heat-treated；Insulation terminates
After, cool to room temperature with the furnace, obtain brake disc.
Embodiment two
Under vacuum, carbon fiber is put in 2225 DEG C of environment calcination 3h, by the carbon fiber substrate nitric acid after calcination and
The mixed solution of sulfuric acid soaks 80min at 70 DEG C, then with deionized water rinsing to neutral, finally dries stand-by.
Take 12mL composite catalyst, the ammoniacal liquor 120mL adding concentration to be 2mol/L, add 50mL absolute ethyl alcohol, stirring
Make it mix.By mixed solution transfer in autoclave, the prefabricated carbon fiber body of gained is put in kettle impregnate
10h.Reactor is immersed reaction 3h in the oil bath of 140 DEG C.With cold water to reactor chilling so that it is temperature is down to room temperature, take out
Prefabricated carbon fiber body, dries in the shade in the case of constantly stirring.The sample of gained is proceeded to calcination in vacuum carbon tube furnace, reduction,
It is loaded with the prefabricated carbon fiber body of metallic catalyst Ni particle.In composite catalyst, the mol ratio of Ni, La, Al is: Ni:La:Al
=10:1:4.
It is loaded in gained prefabricated carbon fiber body in vacuum carbon tube furnace, carry out depositing density.Wherein, main technologic parameters
For: temperature 1300 DEG C, pipe natural gas gas flow scope is 7L, and atmosphere pressures control is 2KPa, and sedimentation time is 60h.
Sample after gained is deposited density high temperature graphitization at a temperature of 2250 DEG C processes 3h, is answered after naturally cooling down
Close carbon fibre material.
By phenolic resin and ethanol mix and blend in proportion, after phenolic resin is completely dissolved, continues stirring a period of time, make phenolic aldehyde
Resin and ethanol mix, general 15min, add appropriate acidic catalyst, stir, and general continuation stirs
15min, obtains uniform and stable phenol resin solution, and described phenolic resin is 1:5 with the mass ratio of ethanol；Catalyst
Selecting acetic acid, preferred addition is the 10% of phenolic resin quality.
Vacuum impregnation: be immersed in above-mentioned composite carbon fibrous material in described phenol resin solution, enter under air-tight state
Row vacuum impregnation.
Heat under air-tight state, make the low-density composite carbon fibrous material being immersed in phenol resin solution in saturated second
Alcohol steam ambient solidifies, it is thus achieved that the graininess carbon base body of nanoscale.
Solidification overall process completes in excessive alcohol solvent, and carbon resin precursor is in closed container, in high temperature and second
The lower crosslinking curing of common effect of alcohol saturated vapor pressure, carbon resin precursor solidifies receiving of generation cross-linked structure in excess ethyl alcohol
Rice gel.
Curing process is: by the heating rate of 60 DEG C/h by room temperature to 180 DEG C, is incubated 3h, then by the liter of 20 DEG C/h
Temperature ramp, to 210 DEG C, is incubated 4 hours, after being naturally cooling to less than 100 DEG C, can be passed through cooling water or air-cooled fast cooling.
Graininess carbon base body after solidification, removes the phenolic aldehyde block of surface attachment, under nitrogen protection by the intensification of 150 DEG C/h
Ramp carries out Pintsch process to 1150 DEG C, obtains carbon-carbon composite.
Processing brake disc preform according to design drawing, described brake disc preform has two pieces, by stopping of processing
Hull preform puts into the deposition that CVI stove carries out routine.Deposition parameter is: CVI stove furnace temperature is 1250 DEG C, CVI furnace pressure
≤ 10KPa, sedimentation time 100h, gas discharge be 4500L/h, flow rate of propane gas be 750L/h, obtain through surface crust
The brake disc preform processing.
Carbon-carbon composite is loaded into respectively described on two pieces of brake disc preforms that surface crust is processed
In phase-change accumulation energy filling notch, the volume of filling is the 90% of energy storage sump volume.
Cutting graphite paper, the appearance and size of this graphite paper is suitable with the appearance and size of energy storage groove, the graphite paper that will cut
It is placed in described filling notch, and make this graphite paper cover carbon-carbon composite surface.
Bonding agent is brushed respectively in brake disc preform non-rubbing surface, carbon rivet surface and rivet hole, every square
Centimetre brushing amount be 1.5g；The temperature that is suitable to of described bonding agent is 900 DEG C.
By involutory for the non-rubbing surface of the described two pieces of brake disc preforms being painted with bonding agent；Carbon rivet riveting is entered rivet
Hole；One graphite counterweight is placed on involutory after two pieces of brake disc pre-form surface, make two by the weight of this graphite counterweight
Intimate contact between block brake disc preform.
By described involutory after brake disc preform and mass put into oven for drying together.Oven temperature 200 DEG C, dries
The dry time is 4h；
Brake disc preform after drying and mass are put in high temperature furnace, use conventional method to be heat-treated；At Re
Reason parameter: be evacuated to≤1000Pa, be warming up to 850 DEG C to heat-treatment furnace, insulation 2h is heat-treated；After insulation terminates, with
Stove is cooled to room temperature, obtains brake disc.
Claims (1)
1. a preparation method for carbon-carbon composite brake disc, the method comprises the steps:
(1) carbon-carbon composite is prepared
Under vacuum, carbon fiber is put into calcination 2-3h in 2150 DEG C of-2225 DEG C of environment, by the carbon fiber substrate after calcination
Soak 50-80min with the mixed solution of nitric acid and sulfuric acid at 50-70 DEG C, then with deionized water rinsing to neutral, finally dry
Stand-by；
Take 10-12mL composite catalyst, the ammoniacal liquor 90-120mL adding concentration to be 2mol/L, add 30-50mL absolute ethyl alcohol,
Stirring makes it mix；
By mixed solution transfer in autoclave, the prefabricated carbon fiber body of gained is put in kettle dipping 8-10h；
Reactor is immersed reaction 2-3h in the oil bath of 120-140 DEG C；
With cold water to reactor chilling so that it is temperature is down to room temperature, take out prefabricated carbon fiber body, cloudy in the case of constantly stirring
Dry；
The sample of gained proceeds to calcination in vacuum carbon tube furnace, reduction, and the carbon fiber that must be loaded with metallic catalyst Ni particle is pre-
Body processed；
It is loaded in gained prefabricated carbon fiber body in vacuum carbon tube furnace, carry out depositing density；Wherein, main technologic parameters is: temperature
Spending 1200-1300 DEG C, pipe natural gas gas flow scope is 5-7L, and atmosphere pressures control is 1.5-2KPa, and sedimentation time is
50-60h；
Sample after gained is deposited density high temperature graphitization at a temperature of 2200-2250 DEG C processes 2h-3h, after naturally cooling down
To composite carbon fibrous material；
By phenolic resin and ethanol mix and blend in proportion, after phenolic resin is completely dissolved, continues stirring a period of time, make phenolic aldehyde
Resin and ethanol mix, general 10-15min, add appropriate acidic catalyst, stir, typically continue
Stirring 10-15min, obtains uniform and stable phenol resin solution, and described phenolic resin is 1 with the mass ratio of ethanol:
(1-5)；
Catalyst choice acetic acid, preferred addition is the 6-10% of phenolic resin quality；
Vacuum impregnation: be immersed in above-mentioned composite carbon fibrous material in described phenol resin solution, carries out true under air-tight state
Empty dipping；
Heat under air-tight state, make the low-density composite carbon fibrous material being immersed in phenol resin solution steam at saturated ethanol
Vapour environment solidifies, it is thus achieved that the graininess carbon base body of nanoscale；
Solidification overall process completes in excessive alcohol solvent, and carbon resin precursor, in closed container, is satisfied at high temperature and ethanol
With the lower crosslinking curing of common effect of vapour pressure, the nanometer that carbon resin precursor solidifies generation cross-linked structure in excess ethyl alcohol is coagulated
Glue；
Curing process is: by the heating rate of 40-60 DEG C/h by room temperature to 150-180 DEG C, is incubated 2-3h, then presses 10-20
DEG C/heating rate of h is warming up to 190-210 DEG C, it is incubated 3-4 hour, after being naturally cooling to less than 100 DEG C, cooling water can be passed through
Or air-cooled fast cooling；
Graininess carbon base body after solidification, removes the phenolic aldehyde block of surface attachment, presses the intensification of 100-150 DEG C/h under nitrogen protection
Ramp carries out Pintsch process to 900-1150 DEG C, obtains carbon-carbon composite；
(2) brake disc preform is processed
Processing brake disc preform according to design drawing, described brake disc preform has two pieces, the brake disc that will process
Preform puts into the deposition that CVI stove carries out routine；Deposition parameter is: CVI stove furnace temperature is 1150-1250 DEG C, CVI furnace pressure
≤ 10KPa, sedimentation time 75-100h, gas discharge be 4000-4500L/h, flow rate of propane gas be 600-750L/h, obtain
Through the brake disc preform that surface crust is processed；
(3) carbon-carbon composite is loaded
Carbon-carbon composite is loaded into respectively described phase transformation on two pieces of brake disc preforms that surface crust is processed
In energy storage filling notch, the volume of filling is the 85%-90% of energy storage sump volume；
(4) graphite paper is covered
Cutting graphite paper, the appearance and size of this graphite paper is suitable with the appearance and size of energy storage groove, is placed in the graphite paper cutting
In described filling notch, and this graphite paper is made to cover carbon-carbon composite surface；
(5) brushing bonding agent
Bonding agent is brushed respectively in brake disc preform non-rubbing surface, carbon rivet surface and rivet hole, every square centimeter
Brushing amount be 1-1.5g；The temperature that is suitable to of described bonding agent is 850-900 DEG C；
(6) involutory, drying and heat treatment
By involutory for the non-rubbing surface of the described two pieces of brake disc preforms being painted with bonding agent；Carbon rivet riveting is entered rivet hole；
One graphite counterweight is placed on involutory after two pieces of brake disc pre-form surface, make two pieces to stop by the weight of this graphite counterweight
Intimate contact between hull preform；
By described involutory after brake disc preform and mass put into oven for drying together；Oven temperature 170-200 DEG C, dries
The dry time is 3-4h；
Brake disc preform after drying and mass are put in high temperature furnace, use conventional method to be heat-treated；At Re
Reason parameter: be evacuated to≤1000Pa, be warming up to 800-850 DEG C to heat-treatment furnace, insulation 1-2h is heat-treated；Insulation knot
Shu Hou, cools to room temperature with the furnace, obtains brake disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610433478.2A CN106090082A (en) | 2016-06-18 | 2016-06-18 | A kind of preparation method of carbon carbon composite brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610433478.2A CN106090082A (en) | 2016-06-18 | 2016-06-18 | A kind of preparation method of carbon carbon composite brake disc |
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| Publication Number | Publication Date |
|---|---|
| CN106090082A true CN106090082A (en) | 2016-11-09 |
Family
ID=57236643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610433478.2A Pending CN106090082A (en) | 2016-06-18 | 2016-06-18 | A kind of preparation method of carbon carbon composite brake disc |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534836A (en) * | 2018-12-26 | 2019-03-29 | 深圳市智雅墨族科技有限公司 | SiC nanometers of redundancy composite material brake discs of QICC nanometers of carbon-to-carbons and preparation method |
| CN111115334A (en) * | 2019-12-31 | 2020-05-08 | 河南四达电力设备股份有限公司 | Take graphite line automatic production line of automatic function of rectifying |
| CN110998127B (en) * | 2017-08-03 | 2021-07-09 | 福乐尼·乐姆宝公开有限公司 | Preform for making a brake system component |
| CN115231938A (en) * | 2022-07-22 | 2022-10-25 | 常州翊翔炭材科技有限公司 | Preparation method of carbon/carbon composite material brake disc |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1703436A (en) * | 2002-10-04 | 2005-11-30 | 株式会社E-Tec | Cold-curing binder and process for producing molding with the same |
| CN102584307A (en) * | 2012-01-10 | 2012-07-18 | 中国人民解放军国防科学技术大学 | C/SiC ceramic matrix composite spring and preparation method thereof |
| CN103708846A (en) * | 2013-12-27 | 2014-04-09 | 湖南中坚科技有限公司 | Preparation method of C/C-SiC composite material |
| CN104844246A (en) * | 2015-04-02 | 2015-08-19 | 盐城恒威汽车新材料科技有限公司 | Cf/SiC composite material for use in automobile brake disc and manufacturing method therefor |
| CN104942553A (en) * | 2015-06-16 | 2015-09-30 | 西安航空制动科技有限公司 | Manufacturing method of phase-change energy storage brake discs |
| JP2016013946A (en) * | 2014-07-02 | 2016-01-28 | クアーズテック株式会社 | Long fiber-reinforced silicon carbide composite material and method for producing the same |
| CN105565836A (en) * | 2014-10-11 | 2016-05-11 | 西安艾菲尔德复合材料科技有限公司 | Method for preparing carbon fiber composite material through catalytic CVD |
-
2016
- 2016-06-18 CN CN201610433478.2A patent/CN106090082A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1703436A (en) * | 2002-10-04 | 2005-11-30 | 株式会社E-Tec | Cold-curing binder and process for producing molding with the same |
| CN102584307A (en) * | 2012-01-10 | 2012-07-18 | 中国人民解放军国防科学技术大学 | C/SiC ceramic matrix composite spring and preparation method thereof |
| CN103708846A (en) * | 2013-12-27 | 2014-04-09 | 湖南中坚科技有限公司 | Preparation method of C/C-SiC composite material |
| JP2016013946A (en) * | 2014-07-02 | 2016-01-28 | クアーズテック株式会社 | Long fiber-reinforced silicon carbide composite material and method for producing the same |
| CN105565836A (en) * | 2014-10-11 | 2016-05-11 | 西安艾菲尔德复合材料科技有限公司 | Method for preparing carbon fiber composite material through catalytic CVD |
| CN104844246A (en) * | 2015-04-02 | 2015-08-19 | 盐城恒威汽车新材料科技有限公司 | Cf/SiC composite material for use in automobile brake disc and manufacturing method therefor |
| CN104942553A (en) * | 2015-06-16 | 2015-09-30 | 西安航空制动科技有限公司 | Manufacturing method of phase-change energy storage brake discs |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110998127B (en) * | 2017-08-03 | 2021-07-09 | 福乐尼·乐姆宝公开有限公司 | Preform for making a brake system component |
| CN109534836A (en) * | 2018-12-26 | 2019-03-29 | 深圳市智雅墨族科技有限公司 | SiC nanometers of redundancy composite material brake discs of QICC nanometers of carbon-to-carbons and preparation method |
| CN111115334A (en) * | 2019-12-31 | 2020-05-08 | 河南四达电力设备股份有限公司 | Take graphite line automatic production line of automatic function of rectifying |
| CN115231938A (en) * | 2022-07-22 | 2022-10-25 | 常州翊翔炭材科技有限公司 | Preparation method of carbon/carbon composite material brake disc |
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