CN106083114A - A kind of C/C ZrC SiC ceramic based composites brake disc and preparation method thereof - Google Patents

A kind of C/C ZrC SiC ceramic based composites brake disc and preparation method thereof Download PDF

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CN106083114A
CN106083114A CN201610392206.2A CN201610392206A CN106083114A CN 106083114 A CN106083114 A CN 106083114A CN 201610392206 A CN201610392206 A CN 201610392206A CN 106083114 A CN106083114 A CN 106083114A
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matrix
zrc
sic
brake disc
ceramic
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王超
田秀梅
马小民
何立军
张博
马晓东
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SUZHOU CERAFIL CO Ltd
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SUZHOU CERAFIL CO Ltd
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    • C04B35/806—
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • C—CHEMISTRY; METALLURGY
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/5607—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides
    • C04B35/5622—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides based on zirconium or hafnium carbides
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
    • C04B35/571—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide obtained from Si-containing polymer precursors or organosilicon monomers
    • 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
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    • 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
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins
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    • 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
    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/616—Liquid infiltration of green bodies or pre-forms
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • 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

Abstract

The invention discloses a kind of C/C ZrC SiC ceramic based composites brake disc and preparation method thereof, it is made up of fiber C, C matrix, ZrC matrix and SiC matrix, it is characterized in that ZrC matrix is dispersed in SiC matrix, the average particle diameter size of ZrC matrix is at 100nm, being to obtain two kinds of matrixes through single-steeping technique, the ratio of matrix is adjustable simultaneously.The preparation of acupuncture fiber C precast body lamination is strengthened structure, isothermal chemical vapor infiltration process deposits pyrolytic carbon is used to be prepared as C/C skeleton, cracked by the mixed solution liquid impregnation of organic precursor method Polycarbosilane and poly-silane zirconium again and ZrC matrix and SiC matrix are incorporated into C/C skeleton, be finally completed the densification of C/C ZrC SiC ceramic base composite wood brake disc.This brake disc material has the characteristics such as intensity is high, high temperature resistant, friction and wear behavior is excellent.

Description

A kind of C/C-ZrC-SiC ceramic matric composite brake disc and preparation method thereof
Technical field
The present invention relates to a kind of ceramic matric composite brake disc and preparation method thereof, particularly relate to a kind of C/C-ZrC- SiC ceramic based composites brake disc and preparation method thereof, is that one ZrC, SiC are to C/C composite material brake disc friction mill The method damaging performance matrix modification.
Background technology
Friction material is mainly used in vehicle and dynamic power machine braking and transmission, just develops to composite from homogenous material, Its quality directly affects the reliability of machine and the life security of operator.Bullet train becomes because high speed high energy carries Friction braking material development chief motivation, up to now, train brake brake lining (brake shoe) material from cast iron, synthetic material, Powdered metallurgical material develops into C/C and C/C-SiC composite.Carbon/carbon (C/C) composite i.e. carbon fiber reinforced carbon matrix body is multiple Condensation material, has that density is low, specific heat capacity is big, thermostability is good, and remains to keep excellent frictional behaviour under high loads, makes The advantages such as brake unit alleviates, are widely used on Brake for aircraft.But the manufacturing cycle of C/C composite Length, cost are high, antioxygenic property is poor, and under hygrometric state, friction factor is unstable, higher to the requirement of environment (clean, dry), very difficult Large-scale application on the vehicles using environment difference.
ZrC is a kind of refractory carbide, and fusing point reaches 3500 DEG C, not only shows heat resistance and the antioxygen of excellence Change performance, and be that Mohs' hardness is up to 8～9, be a kind of excellent high-abrasive material, be commonly used for the modifying agent of C/C composite.
The document Chinese invention patent of 201310203824.4 " number of patent application be " discloses a kind of for high speed motor car Ceramic matric composite of brake disc and preparation method thereof, the method is to be formed with carbon fiber braiding or lamination to have high speed motor car The fabric construction of brake disc shape, is deposited by chemical gaseous phase or the method synthesis C/C skeleton of liquid impregnation, then by chemistry Gas-phase deposition obtains gradient SiC matrix.Although C/C-SiC composite prepared by this method is because of gradient SiC matrix Existence can effective relief of thermal stress, thermal shock resistance is significantly improved, and also improves the non-oxidizability of C/C composite simultaneously Can, but, the gradient of SiC matrix is difficult to control to by this technique, and matrix composition is single." number of patent application is document 201310412248.4 Chinese invention patent " disclose a kind of C/C-SiC-ZrC ceramic matric composite and preparation method thereof, The method is that fiber C braiding or lamination preparation are strengthened structure, deposits pyrolytic carbon by the method for chemical vapor infiltration, then enters Row high temperature graphitization processes synthesis C/C skeleton, then introduces SiC density composite by the cracking of Polycarbosilane liquid impregnation, so Rear dipping boron bakelite resin, Pintsch process forms C, by infiltration method metallic cementation zirconium, then carries out high-temperature heat treatment, obtain C/C- SiC-ZrC ceramic matric composite.The method introduces the complex steps of two kinds of matrixes, the matrix skewness obtained, preparation During repeatedly need high-temperature process, C/C composite can be caused certain damage.
Summary of the invention
The purpose of the present invention is intended to overcome existing C/C composite and C/SiC composite material brake disc technology of preparing Defect, it is provided that a kind of C/C-ZrC-SiC ceramic base composite wood brake disc and manufacture method thereof.
The invention provides the preparation method of a kind of C/C-ZrC-SiC ceramic base composite wood brake disc, including following order Step:
(1) become there is the textile reinforcement structure of brake disc shape by 2D needled carbon fiber preform lamination, fiber C volume integral Number is 40～45%；
(2) using ICVI technique, with alkanes gas as carbon source, nitrogen is diluent gas, prepares inside precast body Highly-textured pyrocarbon matrix.Concrete process conditions are: depositing temperature: 900～950 DEG C；Stagnation pressure: 5～10kPa；Propane flow: 3～5L/min；The time of staying: ＜ 2 seconds；
(3) organic precursor method Polycarbosilane is become ceramic setter with poly-zirconium oxygen alkane and solvent according to corresponding proportional arrangement Body impregnation liquid；
(4) use vacuum-impregnated technique, C/C composite body is immersed the mixing of ZrC-SiC complex phase ceramic precursor In solution, keeping impregnation liquid temperature is 50～60 DEG C, and vacuum degree control is 1～2kPa, and dip time is 2～4 hours；
(5) material after dipping is carried out crosslinking curing process in an oven: crosslinking temperature is 120 DEG C, and crosslinking time is 2 ～4 hours, crosslinking atmosphere is atmospheric environment；
(6) material after crosslinking curing to be put into heat-treatment furnace carries out ceramic treatment: heating rate is 2～3 DEG C/ Min, heat treatment temperature is 1500～1700 DEG C, and temperature retention time is 2 hours, and heat-treating atmosphere is argon inert atmosphere；
(7) material after cracking is carried out ultrasonic cleaning, remove surface ceramic powder, be then positioned over the drying of 60 DEG C of baking oven
(8) material after drying repeats step (4), (5), (6), (7), need to carry out repeatedly PIP cyclic process and complete material The densification of material；
(9) composite obtained is processed, obtains C/C-ZrC-SiC ceramic base composite wood brake disc.
Preferably, described fiber C accounts for the 40～45% of brake disc cumulative volume.Preferably, it is overall that described C matrix accounts for brake disc Long-pending 8～16%.Preferably, described ZrC matrix accounts for the 20～25% of brake disc cumulative volume.Preferably, described SiC matrix accounts for stops The 25～35% of hull cumulative volume.Preferably, alkane used in step (2) is propane.Preferably, in step (6), heat treatment Heating rate is 2～3 DEG C/min, and heat treatment temperature is 1500～1700 DEG C, and temperature retention time is 2 hours, and heat-treating atmosphere is argon Gas inert atmosphere.
The present invention, according to said method, also provides for a kind of C/C-ZrC-SiC ceramic matric composite brake disc, consisting of Fiber C, C matrix, ZrC matrix and SiC matrix, ZrC matrix is dispersed in SiC matrix, the average particle diameter size of ZrC matrix At 100nm, being to obtain two kinds of matrixes through disposable impregnation technology, the ratio of matrix is adjustable simultaneously；Shared by described carbon fiber Volume fraction be 40～45%, the volume fraction shared by C matrix is 8～16%, the volume fraction shared by ZrC matrix be 20～ 25%, volume fraction shared by SiC matrix is 25～35%.
Accompanying drawing explanation
Fig. 1: the C/C-ZrC-SiC ceramic base composite wood brake disc flow chart prepared by the present invention
Fig. 2: the C/C-ZrC-SiC ceramic matric composite brake disc PIP process variable density curve prepared by the present invention
The XRD figure spectrum of Fig. 3: the C/C-ZrC-SiC ceramic base composite wood brake disc sample prepared by the present invention
Fig. 4: the back scattering SEM pattern photo of the C/C-ZrC-SiC ceramic base composite wood brake disc prepared by the present invention
Detailed description of the invention
Below in conjunction with specific embodiment, it is further elucidated with the present invention, it should be understood that these embodiments are merely to illustrate the present invention Rather than restriction the scope of the present invention, after having read the present invention, the those skilled in the art's various equivalences to the present invention The amendment of form all falls within the application claims and is limited.
Comparative example 1
(1) become there is the textile reinforcement structure of brake disc shape by 2D needled carbon fiber preform lamination, fiber C volume integral Number is 40%；
(2) using ICVI technique, with propane as carbon source, nitrogen is diluent gas, prepares highly-textured inside precast body Pyrocarbon matrix.Concrete process conditions are: depositing temperature: 900 DEG C；Stagnation pressure: 10kPa；Propane flow: 4L/min；During stop Between: 1 second；
(3) ceramic precursor is become to impregnate with solvent xylene according to the proportional arrangement of 1: 1 organic precursor method Polycarbosilane Liquid；
(4) use vacuum-impregnated technique, C/C composite body is immersed in SiC ceramic precursor mixed solution, protect Holding impregnation liquid temperature is 50 DEG C, and vacuum degree control is at 1kPa, and dip time is 2 hours；
(5) material after dipping is carried out crosslinking curing process in an oven.Crosslinking temperature is 120 DEG C, and crosslinking time is 2 Hour, crosslinking atmosphere is atmospheric environment；
(6) material after crosslinking curing is put into heat-treatment furnace carries out ceramic treatment.Heating rate is 2 DEG C/min, Heat treatment temperature is 1000 DEG C, and temperature retention time is 2 hours, and heat-treating atmosphere is argon inert atmosphere；
(7) material after cracking is carried out ultrasonic cleaning, remove surface ceramic powder, be then positioned over the drying of 60 DEG C of baking oven
(8) material after drying repeats step (4), (5), (6), (7), carries out 12 PIP cyclic processes altogether and completes material The densification of material；
(9) composite obtained is processed, obtains C/C-SiC ceramic base composite wood brake disc.
Comparative example 2
(1) become there is the textile reinforcement structure of brake disc shape by 2D needled carbon fiber preform lamination, fiber C volume integral Number is 45%；
(2) using ICVI technique, with propane as carbon source, nitrogen is diluent gas, prepares highly-textured inside precast body Pyrocarbon matrix.Concrete process conditions are: depositing temperature: 900 DEG C；Stagnation pressure: 10kPa；Propane flow: 4L/min；During stop Between: 1 second；
(3) organic precursor method Polycarbosilane solvent xylene is become ceramic precursor impregnation liquid according to the proportional arrangement of 1: 1；
(4) use vacuum-impregnated technique, C/C composite body is immersed SiC complex phase ceramic precursor mixed solution In, keeping impregnation liquid temperature is 50 DEG C, and vacuum degree control is at 1kPa, and dip time is 2 hours；
(5) material after dipping is carried out crosslinking curing process in an oven.Crosslinking temperature is 120 DEG C, and crosslinking time is 2 Hour, crosslinking atmosphere is atmospheric environment；
(6) material after crosslinking curing is put into heat-treatment furnace carries out ceramic treatment.Heating rate is 2 DEG C/min, Heat treatment temperature is 1000 DEG C, and temperature retention time is 2 hours, and heat-treating atmosphere is argon inert atmosphere；
(7) material after cracking is carried out ultrasonic cleaning, remove surface ceramic powder, be then positioned over the drying of 60 DEG C of baking oven
(8) material after drying repeats step (4), (5), (6), (7), carries out 12 PIP cyclic processes altogether and completes material The densification of material；
(9) composite obtained is processed, obtains C/C-SiC ceramic base composite wood brake disc.
Embodiment 1
A kind of C/C-ZrC-SiC ceramic base composite wood brake disc of the present invention, consisting of fiber C, C matrix, ZrC matrix And SiC matrix.It is characterized in that ZrC matrix is dispersed in SiC matrix, the average particle diameter size of ZrC matrix at 100nm, Being to obtain two kinds of matrixes through single-steeping technique, the ratio of matrix is adjustable simultaneously.The described volume fraction shared by fiber C is 40%, the volume fraction shared by C matrix is 10%, and the volume fraction shared by ZrC matrix is 20%, the volume shared by SiC matrix Mark is 30%.
Above-mentioned C/C-ZrC-SiC ceramic base composite wood brake disc is specifically prepared by following steps:
(1) become there is the textile reinforcement structure of brake disc shape by 2D needled carbon fiber preform lamination, fiber C volume integral Number is 40%；
(2) using ICVI technique, with propane as carbon source, nitrogen is diluent gas, prepares highly-textured inside precast body Pyrocarbon matrix.Concrete process conditions are: depositing temperature: 900 DEG C；Stagnation pressure: 10kPa；Propane flow: 4L/min；During stop Between: 1 second；
(3) organic precursor method Polycarbosilane is become according to the proportional arrangement of 3: 2: 5 with poly-zirconium oxygen alkane and solvent xylene Complex phase ceramic precursor impregnation liquid；
(4) use vacuum-impregnated technique, C/C composite body is immersed the mixing of ZrC-SiC complex phase ceramic precursor In solution, keeping impregnation liquid temperature is 50 DEG C, and vacuum degree control is at 1kPa, and dip time is 2 hours；
(5) material after dipping is carried out crosslinking curing process in an oven.Crosslinking temperature is 120 DEG C, and crosslinking time is 2 Hour, crosslinking atmosphere is atmospheric environment；
(6) material after crosslinking curing is put into heat-treatment furnace carries out ceramic treatment.Heating rate is 2 DEG C/min, Heat treatment temperature is 1500 DEG C, and temperature retention time is 2 hours, and heat-treating atmosphere is argon inert atmosphere；
(7) material after cracking is carried out ultrasonic cleaning, remove surface ceramic powder, be then positioned over the drying of 60 DEG C of baking oven
(8) material after drying repeats step (4), (5), (6), (7), carries out 12 PIP cyclic processes altogether and completes material The densification of material；
(9) composite obtained is processed, obtains C/C-ZrC-SiC ceramic base composite wood brake disc.
Embodiment 2
A kind of C/C-ZrC-SiC ceramic base composite wood brake disc of the present invention, consisting of fiber C, C matrix, ZrC matrix And SiC matrix.It is characterized in that ZrC matrix is dispersed in SiC matrix, the average particle diameter size of ZrC matrix at 100nm, Being to obtain two kinds of matrixes through single-steeping technique, the ratio of matrix is adjustable simultaneously.The described volume fraction shared by fiber C is 45%, the volume fraction shared by C matrix is 10%, and the volume fraction shared by ZrC matrix is 20%, the volume shared by SiC matrix Mark is 25%.
Above-mentioned C/C-ZrC-SiC ceramic base composite wood brake disc is specifically prepared by following steps:
(1) become there is the textile reinforcement structure of brake disc shape by 2D needled carbon fiber preform lamination, fiber C volume integral Number is 45%；
(2) using ICVI technique, with propane as carbon source, nitrogen is diluent gas, prepares highly-textured inside precast body Pyrocarbon matrix.Concrete process conditions are: depositing temperature: 950 DEG C；Stagnation pressure: 10kPa；Propane flow: 3L/min；During stop Between: 1 second；
(3) organic precursor method Polycarbosilane is become according to the proportional arrangement of 5: 4: 9 with poly-zirconium oxygen alkane and solvent xylene Complex phase ceramic precursor impregnation liquid；
(4) use vacuum-impregnated technique, C/C composite body is immersed the mixing of ZrC-SiC complex phase ceramic precursor In solution, keeping impregnation liquid temperature is 50 DEG C, and vacuum degree control is at 1kPa, and dip time is 2 hours；
(5) material after dipping is carried out crosslinking curing process in an oven.Crosslinking temperature is 120 DEG C, and crosslinking time is 2 Hour, crosslinking atmosphere is atmospheric environment；
(6) material after crosslinking curing is put into heat-treatment furnace carries out ceramic treatment.Heating rate is 2 DEG C/min, Heat treatment temperature is 1500 DEG C, and temperature retention time is 2 hours, and heat-treating atmosphere is argon inert atmosphere；
(7) material after cracking is carried out ultrasonic cleaning, remove surface ceramic powder, be then positioned over the drying of 60 DEG C of baking oven
(8) material after drying repeats step (4), (5), (6), (7), carries out 12 PIP cyclic processes altogether and completes material The densification of material；
(9) composite obtained is processed, obtains C/C-ZrC-SiC ceramic base composite wood brake disc.
Embodiment 3
A kind of C/C-ZrC-SiC ceramic base composite wood brake disc of the present invention, consisting of fiber C, C matrix, ZrC matrix And SiC matrix.It is characterized in that ZrC matrix is dispersed in SiC matrix, the average particle diameter size of ZrC matrix at 100nm, Being to obtain two kinds of matrixes through single-steeping technique, the ratio of matrix is adjustable simultaneously.The described volume fraction shared by fiber C is 40%, the volume fraction shared by C matrix is 15%, and the volume fraction shared by ZrC matrix is 25%, the volume shared by SiC matrix Mark is 20%.
Above-mentioned C/C-ZrC-SiC ceramic base composite wood brake disc is specifically prepared by following steps:
(1) become there is the textile reinforcement structure of brake disc shape by 2D needled carbon fiber preform lamination, fiber C volume integral Number is 40%；
(2) using ICVI technique, with propane as carbon source, nitrogen is diluent gas, prepares highly-textured inside precast body Pyrocarbon matrix.Concrete process conditions are: depositing temperature: 900 DEG C；Stagnation pressure: 10kPa；Propane flow: 4L/min；During stop Between: 1 second；
(3) organic precursor method Polycarbosilane is become according to the proportional arrangement of 4: 5: 9 with poly-zirconium oxygen alkane and solvent xylene Complex phase ceramic precursor impregnation liquid；
(4) use vacuum-impregnated technique, C/C composite body is immersed the mixing of ZrC-SiC complex phase ceramic precursor In solution, keeping impregnation liquid temperature is 50 DEG C, and vacuum degree control is at 1kPa, and dip time is 2 hours；
(5) material after dipping is carried out crosslinking curing process in an oven.Crosslinking temperature is 120 DEG C, and crosslinking time is 2 Hour, crosslinking atmosphere is atmospheric environment；
(6) material after crosslinking curing is put into heat-treatment furnace carries out ceramic treatment.Heating rate is 2 DEG C/min, Heat treatment temperature is 1500 DEG C, and temperature retention time is 2 hours, and heat-treating atmosphere is argon inert atmosphere；
(7) material after cracking is carried out ultrasonic cleaning, remove surface ceramic powder, be then positioned over the drying of 60 DEG C of baking oven
(8) material after drying repeats step (4), (5), (6), (7), carries out 12 PIP cyclic processes altogether and completes material The densification of material；
(9) composite obtained is processed, obtains C/C-ZrC-SiC ceramic base composite wood brake disc.
Above comparative example and embodiment gained brake disc sample use the MM-1000 frictional testing machine test coefficient of kinetic friction and (inertia is 3.8kgf cm s to wear rate2, it is 100N/cm than pressure2, linear velocity is 25m/s, and simulated aircraft normal braking tries Test).Test result see table.
The brake disc the performance test results of table 1 different component
The C/C-ZrC-SiC ceramic base composite wood brake disc density that as can be seen from Table 1 prepared by the present invention is higher than C/C-SiC Ceramic base composite wood brake disc, wear rate is less than C/C-SiC ceramic base composite wood brake disc, a little higher than C/C-of dry state coefficient of friction SiC ceramic base composite wood brake disc, maximum is modified in that, compared to dry wear test, in hygrometric state friction testing, C/C- ZrC-SiC ceramic base composite wood brake disc coefficient of friction has small elevation, this result be better than tradition C/C composite material brake disc and Carbon-pottery Double substrate micro composite material brake disc.

Claims (8)

1. the preparation method of a C/C-ZrC-SiC ceramic matric composite brake disc, it is characterised in that described brake disc is by C Fiber, C matrix, ZrC matrix and SiC matrix composition, ZrC matrix is dispersed in SiC matrix, the mean diameter of ZrC matrix A size of 100nm, obtains two kinds of matrix ZrC matrixes and the ratio of SiC matrix, ZrC matrix and SiC matrix through single-steeping simultaneously Example is adjustable；Described method comprises the steps:
(1) become there is the textile reinforcement structure of brake disc shape by 2D needled carbon fiber preform lamination；
(2) using ICVI technique, with alkanes gas as carbon source, nitrogen is diluent gas, prepares height and knit inside precast body Structure pyrocarbon matrix；Concrete process conditions are: depositing temperature: 900～950 DEG C；Stagnation pressure: 5～10kPa；Propane flow: 3～ 5L/min；The time of staying: ＜ 2 seconds.
(3) organic precursor method Polycarbosilane and poly-zirconium oxygen alkane and solvent xylene are configured to complex phase ceramic according to different proportion Precursor impregnation liquid.
(4) use vacuum-impregnated technique, C/C composite body is immersed ZrC-SiC complex phase ceramic precursor mixed solution In, keeping impregnation liquid temperature is 50～60 DEG C, and vacuum degree control is 1～2kPa, and dip time is 2～4 hours.
(5) material after dipping is carried out crosslinking curing process in an oven: crosslinking temperature is 120 DEG C, and crosslinking time is 2～4 Hour, crosslinking atmosphere is atmospheric environment.
(6) material after crosslinking curing is put into heat-treatment furnace carries out ceramic treatment.
(7) material after cracking is carried out ultrasonic cleaning, remove surface ceramic powder, be then positioned over the drying of 60 DEG C of baking oven；
(8) material after drying repeats step (4), (5), (6), (7), need to carry out repeatedly PIP cyclic process and complete material Fine and close；
(9) composite obtained is processed, obtains C/C-ZrC-SiC ceramic base composite wood brake disc.
Method the most according to claim 1, it is characterised in that described fiber C accounts for the 40～45% of brake disc cumulative volume.
Method the most according to claim 2, it is characterised in that described C matrix accounts for the 8～16% of brake disc cumulative volume.
Method the most according to claim 3, it is characterised in that described ZrC matrix account for brake disc cumulative volume 20～ 25%.
Method the most according to claim 4, it is characterised in that described SiC matrix account for brake disc cumulative volume 25～ 35%.
Method the most according to claim 5, it is characterised in that alkane used in step (2) is propane.
Method the most according to claim 6, it is characterised in that in step (6), heat treatment heating rate is 2～3 DEG C/ Min, heat treatment temperature is 1500～1700 DEG C, and temperature retention time is 2 hours, and heat-treating atmosphere is argon inert atmosphere.
8. the C/C-ZrC-SiC ceramic base composite wood brake disc prepared according to the method described in any one of claim 1-7, It is characterized in that, described brake disc is made up of fiber C, C matrix, ZrC matrix and SiC matrix, and ZrC matrix is dispersed in SiC In matrix, the average particle diameter size of ZrC matrix is 100nm, obtains two kinds of matrix ZrC matrixes and SiC through single-steeping simultaneously Matrix, the ratio of ZrC matrix and SiC matrix is adjustable.
CN201610392206.2A 2016-06-03 2016-06-03 A kind of C/C ZrC SiC ceramic based composites brake disc and preparation method thereof Pending CN106083114A (en)

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