CN105418125B - The preparation method of ultrasonic wave dispersion tantalum boride boron carbide-carbon fiber friction material - Google Patents

The preparation method of ultrasonic wave dispersion tantalum boride boron carbide-carbon fiber friction material Download PDF

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CN105418125B
CN105418125B CN201610014382.2A CN201610014382A CN105418125B CN 105418125 B CN105418125 B CN 105418125B CN 201610014382 A CN201610014382 A CN 201610014382A CN 105418125 B CN105418125 B CN 105418125B
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carbon fiber
tantalum boride
friction material
boron
fiber blanket
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CN105418125A (en
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唐竹兴
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Shandong University of Technology
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    • C04B35/58—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/5805—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
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    • 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
    • C04B35/58—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/584—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
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    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/46—Gases other than oxygen used as reactant, e.g. nitrogen used to make a nitride phase

Abstract

Ultrasonic wave disperse tantalum boride boron carbide carbon fiber friction material preparation method, which is characterized in that by density be 0.1 ~ 1.8g/cm3Graphited carbon fiber blanket carries out depositing silicon boron processing after carrying out Carburization Treatment, ultrasonic wave dispersion tantalum boride filling processing is carried out again, embedment siliconising processing is carried out again, and then ultrasonic wave dispersion tantalum boride boron carbide carbon fiber friction material is made in nitrogen treatment in nitrogen atmosphere.The present invention be using graphitized carbon fibre blanket by carburizing, depositing silicon silicon, filling tantalum boride, embedment siliconising and nitridation and etc. realize friction material preparation, prepared friction material high intensity, high tenacity, high frictional behaviour, are the friction materials for adapting to various weather conditions.

Description

The preparation method of ultrasonic wave dispersion tantalum boride boron carbide-carbon fiber friction material
Technical field
The present invention relates to a kind of preparation methods of the compound friction material of carbon fiber and ceramic material, belong to composite material system Standby technical field.
Background technology
Friction material is at present mainly using carbon fiber and carbon（C/C）Composite material is wear-resisting due to C/C composite materials Performance is relatively low, and people are seeking the preparation method of the higher friction material of wear-resisting property.In addition, C/C composite materials exist In moist environment, its frictional behaviour can reduce, and serious security risk is brought to using.
Invention content
Drawbacks described above, realization can be overcome to prepare higher intensity, higher frictional behaviour the purpose of the present invention is to provide a kind of And adapt to the preparation method of the friction material of various weather conditions.Its technical solution is：
It by density is 0.1 ~ 1.8 g/ that the preparation method of ultrasonic wave dispersion tantalum boride boron carbide-carbon fiber friction material, which is, cm3Graphited carbon fiber blanket carries out depositing silicon boron processing after carrying out Carburization Treatment, then carries out ultrasonic wave dispersion tantalum boride and fill out Fill processing, then carry out embedment siliconising processing, then in nitrogen atmosphere nitrogen treatment be made ultrasonic wave dispersion tantalum boride boron carbide- Carbon fiber friction material is as follows：
（1）It is 0.1 ~ 1.8g/cm by density3Graphited carbon fiber blanket be passed through at a temperature of 900 ~ 1100 DEG C propane flammable gas and The mixed gas of nitrogen, propane flammable gas:The molar ratio of nitrogen is 1:4 ~ 6, flow control in 50 ~ 600ml/min, Carburization Treatment 10 ~ Obtain carburizing carbon fiber blanket within 24 hours；
（2）Above-mentioned carburizing carbon fiber blanket is passed through boron chloride, methane, hydrogen and argon gas at a temperature of 900 ~ 1100 DEG C Mixed gas, boron chloride:Methane:Hydrogen:The molar ratio of argon gas is 1:1~2:3~6:4 ~ 6, flow control is in 50 ~ 600ml/ Min, depositing silicon boron handle 10 ~ 24 hours and obtain depositing silicon boron carbon fiber blanket；
（3）Above-mentioned depositing silicon boron carbon fiber blanket is immersed into granularity and is less than the slurry that 0.3 μm of content is 5 ~ 20% tantalum borides In, it is placed in ultrasonic cleaner and fills tantalum boride processing 30 ~ 50 minutes, filling tantalum boride carbon fiber is made after taking out drying Blanket, wherein, slurry is containing the aqueous solution that 0.5 ~ 1.5%pH of ammonium polyacrylate values are 9 ~ 11；
（4）Above-mentioned filling tantalum boride carbon fiber blanket is embedded in siliconising material, 1500 ~ 1800 DEG C of the temperature under vacuum atmosphere Lower siliconising handles 3 ~ 5 hours obtained siliconising carbon fiber blankets, wherein, siliconising material is silica flour 30 ~ 50% and a diameter of 0.5 ~ 3mm carbon granules It is made after the uniform combination drying of polyvinyl alcohol water solution of 50 ~ 70% mixture additional 5 ~ 15% a concentration of 0.2 ~ 0.6%；
（5）By above-mentioned siliconising carbon fiber blanket at a temperature of 1350 ~ 1700 DEG C 10 ~ 24 hours obtained ultrasonic waves of nitrogen treatment Disperse tantalum boride boron carbide-carbon fiber friction material.
Compared with prior art, the present invention its advantage is：
1st, the carbon fiber blanket that the present invention uses is graphited carbon fiber blanket or graphited needled carbon tapetum fibrosum or stone The weaving carbon fiber cloth or graphited 3 D weaving carbon fiber of inkization knit block；
2nd, friction material prepared by the present invention is rubbed by the compound a kind of high intensity of carbon fiber and tantalum boride, silicon nitride, height Wipe the friction material under performance, the various weather conditions of adaptation；
3rd, by carburizing, depositing silicon boron, filling tantalum boride, embedment siliconising and nitridation and etc. realize friction material system Standby, two steps of carburizing and depositing silicon boron are the charcoals assigned in order to which carbon fiber surface is protected not to be damaged in carbon fiber surface Coating and boron carbide coating, because boron carbide coating can stop that silicon steam penetrates into during siliconising, boron carbide coating is once Leakage, carbide coatings further stop silicon steam with silicon steam reaction generation silicon carbide, so as to protect carbon fiber surface not by broken It is bad；
4th, carbon fiber blanket has the very high porosity, depends merely on carburizing and depositing silicon boron may require that and be lot more time to reach Densification, manufacture cost are very high.It will be very using the gap of filling tantalum boride and the method filling carbon fiber blanket for being embedded to siliconising It is convenient, it is time saving and energy saving, while fill tantalum boride and can further improve the wear-resisting property of friction material；
5th, the present invention generates microvesicle in the slurry using the effect of ultrasonic acoustic, when acoustic pressure or the sound intensity reache a certain level When, microvesicle will expand rapidly, then be closed suddenly again, and the moment that microvesicle is closed generates shock wave, makes to generate about around microvesicle The pressure of boronation tantalum particle is filled into the gap of depositing silicon silicon-carbon tapetum fibrosum, achievees the purpose that calking by the pressure of 1012pa；
6th, using slurry dispersion tantalum boride filling processing, boronation tantalum particle suspendability can be effectively improved, improves filling Boronation tantalum particle is firmly combined together by efficiency, the silicon nitride generated in nitridation process；
7th, it is 1420 DEG C or so since the metallic silicon fusing point of infiltration is relatively low, the temperature of friction material working face is instantaneously up near 2000 DEG C, metallic silicon is nitrogenized into generation silicon nitride, the friction material of microcellular structure is formed, friction material work can be increased substantially Make the tolerable temperature in face, improve the service life of friction material.
Specific embodiment
Embodiment 1
（1）It is 1.8g/cm by density3Graphited carbon fiber blanket is passed through the mixed of propane flammable gas and nitrogen at a temperature of 900 DEG C Close gas, propane flammable gas:The molar ratio of nitrogen is 1:4, flow control obtains carburizing carbon in 24 hours in 50ml/min, Carburization Treatment Tapetum fibrosum；
（2）Above-mentioned carburizing carbon fiber blanket is passed through to the mixing of boron chloride, methane, hydrogen and argon gas at a temperature of 900 DEG C Gas, boron chloride:Methane:Hydrogen:The molar ratio of argon gas is 1:1:3:4, flow control is at 50ml/min, depositing silicon boron Reason obtains depositing silicon boron carbon fiber blanket in 24 hours；
（3）Above-mentioned depositing silicon boron carbon fiber blanket is immersed into granularity and is less than 0.3 μm of content in the slurry of 5% tantalum boride, to put Tantalum boride is filled in ultrasonic cleaner to handle 50 minutes, and filling tantalum boride carbon fiber blanket is made after taking out drying, wherein, slurry Expect the aqueous solution for being 9 for the values of 0.5%pH containing ammonium polyacrylate；
（4）Above-mentioned filling tantalum boride carbon fiber blanket is embedded in siliconising material, is oozed at a temperature of 1500 DEG C under vacuum atmosphere 5 hours obtained siliconising carbon fiber blankets of silicon, wherein, siliconising material is a concentration of for silica flour 30% and a diameter of 0.5mm carbon granules 70% additional 5% 0.2% polyvinyl alcohol water solution is dry after uniformly mixing to be made；
（5）By above-mentioned siliconising carbon fiber blanket at a temperature of 1700 DEG C 10 hours obtained tantalum boride boron carbides of nitrogen treatment- Carbon fiber friction material.
Embodiment 2
（1）It is 0.8g/cm by density3Graphited carbon fiber blanket is passed through the mixed of propane flammable gas and nitrogen at a temperature of 1000 DEG C Close gas, propane flammable gas:The molar ratio of nitrogen is 1:5, flow control obtains carburizing in 18 hours in 350ml/min, Carburization Treatment Carbon fiber blanket；
（2）Above-mentioned carburizing carbon fiber blanket is passed through to the mixing of boron chloride, methane, hydrogen and argon gas at a temperature of 1000 DEG C Gas, boron chloride:Methane:Hydrogen:The molar ratio of argon gas is 1:1.5:4.5:5, flow control is in 350 ml/min, deposition carbon Change boron and handle 17 hours acquisition depositing silicon boron carbon fiber blankets；
（3）Above-mentioned depositing silicon boron carbon fiber blanket is immersed granularity to be less than in the slurry that 0.3 μm of content is 12% tantalum boride, It is placed in ultrasonic cleaner and fills tantalum boride processing 40 minutes, filling tantalum boride carbon fiber blanket is made after taking out drying, wherein, The aqueous solution that slurry is 10 for the values of 1%pH containing ammonium polyacrylate；
（4）Above-mentioned filling tantalum boride carbon fiber blanket is embedded in siliconising material, is oozed at a temperature of 1650 DEG C under vacuum atmosphere 4 hours obtained siliconising carbon fiber blankets of silicon, wherein, siliconising material is a concentration of for silica flour 40% and a diameter of 2mm carbon granules 60% additional 10% 0.4% polyvinyl alcohol water solution is dry after uniformly mixing to be made；
（5）By above-mentioned siliconising carbon fiber blanket at a temperature of 1550 DEG C 18 hours obtained tantalum boride boron carbides of nitrogen treatment- Carbon fiber friction material.
Embodiment 3
（1）It is 0.1g/cm by density3Graphited carbon fiber blanket is passed through the mixed of propane flammable gas and nitrogen at a temperature of 1100 DEG C Close gas, propane flammable gas:The molar ratio of nitrogen is 1:6, flow control obtains carburizing in 10 hours in 600ml/min, Carburization Treatment Carbon fiber blanket；
（2）Above-mentioned carburizing carbon fiber blanket is passed through to the mixing of boron chloride, methane, hydrogen and argon gas at a temperature of 1100 DEG C Gas, boron chloride:Methane:Hydrogen:The molar ratio of argon gas is 1:2:6:6, flow control is in 600ml/min, depositing silicon boron Processing obtains depositing silicon boron carbon fiber blanket in 10 hours；
（3）Above-mentioned depositing silicon boron carbon fiber blanket is immersed granularity to be less than in the slurry that 0.3 μm of content is 20% tantalum boride, It is placed in ultrasonic cleaner and fills tantalum boride processing 30 minutes, filling tantalum boride carbon fiber blanket is made after taking out drying, wherein, The aqueous solution that slurry is 11 for the values of 1.5%pH containing ammonium polyacrylate；
（4）Above-mentioned filling tantalum boride carbon fiber blanket is embedded in siliconising material, is oozed at a temperature of 1800 DEG C under vacuum atmosphere 3 hours obtained siliconising carbon fiber blankets of silicon, wherein, siliconising material is a concentration of for silica flour 50% and a diameter of 3mm carbon granules 50% additional 15% 0.6% polyvinyl alcohol water solution is dry after uniformly mixing to be made；
（5）By above-mentioned siliconising carbon fiber blanket at a temperature of 1350 DEG C 24 hours obtained tantalum boride boron carbides of nitrogen treatment- Carbon fiber friction material.

Claims (1)

1. the preparation method of ultrasonic wave dispersion tantalum boride boron carbide-carbon fiber friction material, which is characterized in that by density for 0.1 ~ 1.8g/cm3Graphited carbon fiber blanket carries out depositing silicon boron processing after carrying out Carburization Treatment, then carries out ultrasonic wave dispersion boronation Tantalum filling is handled, then carries out embedment siliconising processing, and then ultrasonic wave dispersion tantalum boride carbon is made in nitrogen treatment in nitrogen atmosphere Change boron-carbon fiber friction material, be as follows：
（1）It is 0.1 ~ 1.8g/cm by density3Graphited carbon fiber blanket is passed through propane flammable gas and nitrogen at a temperature of 900 ~ 1100 DEG C Mixed gas, propane flammable gas:The molar ratio of nitrogen is 1:4 ~ 6, in 50 ~ 600mL/min, Carburization Treatment 10 ~ 24 is small for flow control When obtain carburizing carbon fiber blanket；
（2）Above-mentioned carburizing carbon fiber blanket is passed through to the mixing of boron chloride, methane, hydrogen and argon gas at a temperature of 900 ~ 1100 DEG C Gas, boron chloride:Methane:Hydrogen:The molar ratio of argon gas is 1:1~2:3~6:4 ~ 6, mixed gas flow control 50 ~ 600mL/min, depositing silicon boron handle 10 ~ 24 hours and obtain depositing silicon boron carbon fiber blanket；
（3）Above-mentioned depositing silicon boron carbon fiber blanket is immersed into granularity and is less than 0.3 μm of content in the slurry of 5 ~ 20% tantalum borides, to put Tantalum boride is filled in ultrasonic cleaner to handle 30 ~ 50 minutes, and filling tantalum boride carbon fiber blanket is made after taking out drying, In, slurry is containing the aqueous solution that 0.5 ~ 1.5%pH of ammonium polyacrylate values are 9 ~ 11；
（4）Above-mentioned filling tantalum boride carbon fiber blanket is embedded in siliconising material, is oozed at a temperature of 1500 ~ 1800 DEG C under vacuum atmosphere Silicon handles 3 ~ 5 hours obtained siliconising carbon fiber blankets, wherein, siliconising material for silica flour 30 ~ 50% and a diameter of 0.5 ~ 3mm carbon granules 50 ~ It is made after the uniform combination drying of polyvinyl alcohol water solution of 70% mixture additional 5 ~ 15% a concentration of 0.2 ~ 0.6%；
（5）The nitrogen treatment obtained ultrasonic wave dispersion in 10 ~ 24 hours at a temperature of 1350 ~ 1700 DEG C by above-mentioned siliconising carbon fiber blanket Tantalum boride boron carbide-carbon fiber friction material.
CN201610014382.2A 2016-01-11 2016-01-11 The preparation method of ultrasonic wave dispersion tantalum boride boron carbide-carbon fiber friction material Expired - Fee Related CN105418125B (en)

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Citations (1)

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Publication number Priority date Publication date Assignee Title
CN103342570A (en) * 2013-07-11 2013-10-09 山东宝纳新材料有限公司 Method for preparing C/SiC composite material through low-cost fused silicon impregnation method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103342570A (en) * 2013-07-11 2013-10-09 山东宝纳新材料有限公司 Method for preparing C/SiC composite material through low-cost fused silicon impregnation method

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