CN102757621B - Wet-type composite friction material and preparation method thereof - Google Patents
Wet-type composite friction material and preparation method thereof Download PDFInfo
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- CN102757621B CN102757621B CN201210239824.5A CN201210239824A CN102757621B CN 102757621 B CN102757621 B CN 102757621B CN 201210239824 A CN201210239824 A CN 201210239824A CN 102757621 B CN102757621 B CN 102757621B
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Abstract
The invention provides a wet-type composite friction material and a preparation method thereof. The wet-type composite friction material comprises the following components in parts by weight: 40-80 parts of carbon fiber cloth which is used as a material framework, 10-30 parts of thermosetting resin, 8-15 parts of curing agent and 1-5 parts of friction performance adjusting agent, as well as 10-45 parts of solvent. The preparation method comprises the following steps of: sequentially mixing phenolic resin, ethanediamine and ceramic grains by taking acetone or absolute ethyl alcohol as the solvent; carrying out ultrasonic dispersion to prepare a uniformly-mixed immersing solution with a moderate viscosity; and then, immersing the carbon fiber cloth, drying and carrying out hot-pressing curing and subsequent curing heat treatment on the carbon fiber cloth. The wet-type composite friction material and the preparation method thereof have the advantages of simple process, high material strength, high and stable wet-type movable and static friction coefficients, and extremely good durability and reliability.
Description
Technical field
The present invention relates to a kind of composite friction material, having related in particular to one can be in oil, particularly in vehicle, engineering machinery and boats and ships iso-variable velocity device oil as wet type composite friction material of power transmission and braking and preparation method thereof.
Background technology
Wet-type friction material, owing to having the advantages such as heat dispersion is good, abrasion loss is little, friction factor is stable, is widely used in vehicle, engineering machinery, mining machinery and military equipment.Conventional Wet-type friction material has copper base friction material, paper friction material and matrix material etc. at present, and generally the Wet-type friction material of application is mainly sintered bronze friction materials and paper friction material, and composite friction material is also in the development stage.The research and development of Wet-type friction material have at present obtained certain achievement, frictional behaviour also improves, if Chinese Patent Application No. is 201010554100.0 to disclose a kind of wet friction material for heavy-duty differential and preparation method thereof, it is taking carbon cloth as reinforcement, modified phenolic resins is matrix, taking graphite and aluminum oxide as frictional property regulator, add multiple filler to be prepared from.Chinese Patent Application No. is that 201110189608.X discloses a kind of carbon fiber woven cloth friction materials preparation method and application for humid clutch, comprises the following steps: 1) puncture into carbon fiber sheet as precast body using carbon felt or by carbon fiber 3 D weaving; 2) precast body is placed in dipping stove, and dipping stove contains SiO
2, ZrO
2, ferro-boron, ferromanganese, one or more friction agents of ferrochrome high temperature resistant brake resol, controlling precast body density after dipping is 1.68g/cm
3～2g/cm
3; 3) be that impregnated cloth pressurized heat solidifies by precast body after dipping; 4) impregnated cloth, after pressurized heat solidifies, becomes required shape by the impregnated cloth stamping-out of gained, at a coated with adhesive of impregnated cloth, makes impregnated cloth and supports steel backing thermal caking.But these Wet-type friction materials still exist, and frictional coefficient is low, abrasion loss is large, the large and pollution lubricating wet goods problem of fluctuation when the friction coefficient operation conditions change, can not meet the service requirements of all kinds of heavy vehicles and engineering machinery humid clutch.Therefore, be badly in need of on the market a kind of New type wet friction materials with better weather resistance and reliability and preparation method thereof, to meet clutch coupling and the drift stop under current high specific pressure, high linear speed and high unit friction power operating mode.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of Wet-type friction material with better weather resistance and reliability and preparation method thereof is provided.
To achieve these goals, the present invention has adopted following technical scheme: a kind of wet type composite friction material, is characterized in that: its component comprises as the carbon fiber sheet of material skeleton, thermosetting resin, solidifying agent and frictional property regulator; The parts by weight of described each component are:
40～80 parts of carbon fiber sheets,
10～30 parts of thermosetting resins,
8～15 parts, solidifying agent,
1～5 part of conditioning agent,
The parts by weight of each component are preferably:
60～70 parts of carbon fiber sheets,
15～25 parts of thermosetting resins,
8～10 parts, solidifying agent,
2～4 parts of conditioning agents,
Described carbon fiber sheet is the carbon fiber sheet of orthogonal line or oblique line; Described thermosetting resin is the epoxy resin of binding type.
Described solidifying agent is quadrol; Described conditioning agent is nano-ceramic particle; Described solvent is selected from the one of acetone and dehydrated alcohol.
The oxirane value of described epoxy resin is 0.24～0.45.
Described nano-ceramic particle is selected from nano SiC ceramic particle, nano TiC ceramic particle and nanometer TiB
2one in ceramic particle.
The particle diameter of described nano-ceramic particle is 20～100nm.
The preparation method of wet type composite friction material of the present invention comprises the following steps successively:
(1) take carbon fiber sheet, thermosetting resin, solidifying agent, conditioning agent and solvent by the parts by weight of each component, then thermosetting resin, solidifying agent, conditioning agent and solvent are carried out to ultrasonic wave and disperse 20～40min, be mixed into steeping fluid, and in mixing process, keep the temperature of steeping fluid at 30～50 DEG C;
(2) after liquid to be impregnated is made into, carbon fiber sheet is put into steeping fluid and soak 10～20min, then take out carbon fiber sheet and put into air dry oven and be dried in 50～90 DEG C, be 18～36h time of drying; In drying process, carbon fiber sheet is fixed with acupuncture in Z direction.
(3) by 3～10 layers through soaking, dried carbon fiber sheet puts into vulcanizing press in 130～160 DEG C of hot-press solidifying 10～30min, in hot pressing, temperature rise, lower than 6 DEG C/min, is exitted 3 times;
(4) carbon fiber sheet after compacting is put into the loft drier of 180～220 DEG C and be cured thermal treatment 8～15h, temperature rise is 3～5 DEG C/min; Finally, being cooled to room temperature gets product.
The parts by weight of each component described in preparation method are:
40～80 parts of carbon fiber sheets,
10～30 parts of thermosetting resins,
8～15 parts, solidifying agent,
1～5 part of conditioning agent,
Carbon fiber sheet described in preparation method is the carbon fiber sheet of orthogonal line or oblique line; Described thermosetting resin is the epoxy resin of binding type, and the oxirane value of epoxy resin is 0.24～0.45.
Solidifying agent described in preparation method selects quadrol; Described conditioning agent is nano-ceramic particle, is selected from nano SiC ceramic particle, nano TiC ceramic particle and nanometer TiB
2one in ceramic particle; Described solvent is selected from the one in acetone, dehydrated alcohol and ethylene glycol-acetate.
The particle diameter of the nano-ceramic particle described in preparation method is 20～100nm.
In preparation method of the present invention, the instrument that part component is carried out to ultrasonic wave dispersion use is the conventional Ultrasonic Cleaners in laboratory; As SK250LH dual-frequency ultrasonic wave cleanser, there are two kinds of frequencies of 59KHz and 40KHz to select, the ultrasonic wave of high frequency has very strong perviousness, can make to mix, degassed, deaeration, dispersion and extract quicker, more abundant.Adopt the ultrasonic cleaner of other models also passable, as SK3200LH dual-frequency ultrasonic wave cleanser, SK2200 high-frequency ultrasonic cleanser etc.Disperse this process not have the restriction of too many technical parameter carrying out ultrasonic wave, only thermosetting resin, solidifying agent, conditioning agent and solvent need be put into and mixed.
Advantage of the present invention:
(1) nano-ceramic particle/epoxy resin // ethanol/solidifying agent steeping fluid formula has originality, can meet two-dimentional charcoal cloth stacked/epoxy resin friction materials viscosity, solidify and requirement of strength, also applicable to other resin-matrix friction materials, make preparation process easy, compared with the Wet-type friction material such as powder metallurgy friction material, paper friction material, level of automation is high, greatly reduces preparation cost;
(2) adopt nano-ceramic particle as single filler, can effectively control rubbing factor size, improve the heat resisting temperature of epoxy resin, prevent in filler working process because of the pollution lubricating oil that comes off that weares and teares;
(3) adopt needle punching fixed carbon cloth, effectively controlled cracking and the buckling deformation of charcoal cloth lamination;
(4) technique of the present invention is simple, energy consumption is low, material homogeneity is good, high strength, obdurability, thermomechanical property is good, rubbing factor is stable, Heat stability is good, fabulous weather resistance and reliability, low rate of wear, long service life, the clutch coupling that is applicable to multiple sedan limousine, heavy vehicle clutch, engineering machinery, mining machinery, has very wide application prospect.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1:
Each composition weight of wet type composite friction material: 400 grams of carbon fiber sheets, 100 grams of the epoxy resin that oxirane value is 0.24,50 grams of quadrols, 10 grams of the nano SiC ceramic particles that particle diameter is 20nm, 100 grams, acetone.
Preparation process:
(1) the above-mentioned epoxy resin taking, quadrol, nano SiC ceramic particle, acetone are carried out to ultrasonic wave and disperse 20min, and be mixed into steeping fluid, in mixing process, keep the temperature of steeping fluid 30 DEG C of left and right;
(2) carbon fiber sheet is put into the steeping fluid preparing and soaked 10min, then take out carbon fiber sheet and put into air dry oven and be dried 36h in 50 DEG C;
(3) put into vulcanizing press in 130 DEG C of hot-press solidifying 30min by 3 layers through immersion, dried carbon fiber sheet, in hot pressing, temperature rise, lower than 6 DEG C, is exitted 3 times;
(4) carbon fiber sheet after compacting is put into the loft drier of 180 DEG C and be cured thermal treatment 15h, temperature rise is 3 DEG C/min; Finally, being cooled to room temperature gets product.
(5) friction materials of gained is detected through MM-2000 type friction material test machine, pressure 2MPa, rotating speed 3500r/min, recording static friction factor is 0.136, and dynamic friction factor is 0.135 ~ 0.157, and the wear rate of 300 brakings of material is 1.0 × 10
-8cm
3/ J.
Embodiment 2:
Each composition weight of wet type composite friction material: 800 grams of carbon fiber sheets, 300 grams of the epoxy resin that oxirane value is 0.45,80 grams, acid anhydrides, 50 grams of the nano TiC ceramic particles that particle diameter is 100nm, 450 grams of dehydrated alcohols.
Preparation process:
(1) the above-mentioned epoxy resin taking, quadrol, nano TiC ceramic particle, dehydrated alcohol are carried out to ultrasonic wave and disperse 25min, and be mixed into steeping fluid, in mixing process, keep the temperature of steeping fluid 50 DEG C of left and right;
(2) carbon fiber sheet is put into the steeping fluid preparing and soaked 20min, then take out carbon fiber sheet and put into air dry oven and be dried 18h in 90 DEG C;
(3) put into vulcanizing press in 160 DEG C of hot-press solidifying 10min by 10 layers through immersion, dried carbon fiber sheet, in hot pressing, temperature rise, lower than 6 DEG C, is exitted 3 times;
(4) carbon fiber sheet after compacting is put into the loft drier of 220 DEG C and be cured thermal treatment 8h, temperature rise is 3 DEG C/min; Finally, being cooled to room temperature gets product.
(5) friction materials of gained is detected through MM-2000 type friction material test machine, pressure 2MPa, rotating speed 3500r/min, recording static friction factor is 0.130, and dynamic friction factor is 0.132 ~ 0.143, and the wear rate of 300 brakings of material is 0.95 × 10
-8cm
3/ J.
Embodiment 3:
Each composition weight of wet type composite friction material: 600 grams of carbon fiber sheets, 150 grams of the epoxy resin that oxirane value is 0.3,60 grams of quadrols, the nanometer TiB that particle diameter is 40nm
220 grams of ceramic particles, 150 grams, acetone.
Preparation process:
(1) by the above-mentioned epoxy resin taking, quadrol, nanometer TiB
2ceramic particle, acetone carry out ultrasonic wave and disperse 25min, and are mixed into steeping fluid, keep the temperature of steeping fluid 40 DEG C of left and right in mixing process;
(2) carbon fiber sheet is put into the steeping fluid preparing and soaked 13min, then take out carbon fiber sheet and put into air dry oven and be dried 20h in 60 DEG C;
(3) put into vulcanizing press in 135 DEG C of hot-press solidifying 25min by 4 layers through immersion, dried carbon fiber sheet, in hot pressing, temperature rise, lower than 6 DEG C, is exitted 3 times;
(4) carbon fiber sheet after compacting is put into the loft drier of 190 DEG C and be cured thermal treatment 14h, temperature rise is 4 DEG C/min; Finally, being cooled to room temperature gets product.
(5) friction materials of gained is detected through MM-2000 type friction material test machine, pressure 2MPa, rotating speed 3500r/min, recording static friction factor is 0.138, and dynamic friction factor is 0.140 ~ 0.151, and the wear rate of 300 brakings of material is 1.1 × 10
-8cm
3/ J.
Embodiment 4:
Each composition weight of wet type composite friction material: 700 grams of carbon fiber sheets, 250 grams of the epoxy resin that oxirane value is 0.40,70 grams of quadrols, 40 grams of the nano TiC ceramic particles that particle diameter is 80nm, 300 grams of dehydrated alcohols.
Preparation process:
(1) the above-mentioned epoxy resin taking, quadrol, nano TiC ceramic particle, dehydrated alcohol are carried out to ultrasonic wave and disperse 30min, and be mixed into steeping fluid, in mixing process, keep the temperature of steeping fluid 45 DEG C of left and right;
(2) carbon fiber sheet is put into the steeping fluid preparing and soaked 17min, then take out carbon fiber sheet and put into air dry oven and be dried 24h in 75 DEG C;
(3) put into vulcanizing press in 150 DEG C of hot-press solidifying 20min by 8 layers through immersion, dried carbon fiber sheet, in hot pressing, temperature rise, lower than 6 DEG C, is exitted 3 times;
(4) carbon fiber sheet after compacting is put into the loft drier of 200 DEG C and be cured thermal treatment 9h, temperature rise is 5 DEG C/min; Finally, being cooled to room temperature gets product.
(5) friction materials of gained is detected through MM-2000 type friction material test machine, pressure 2MPa, rotating speed 3500r/min, recording static friction factor is 0.136, and dynamic friction factor is 0.135 ~ 0.157, and the wear rate of 300 brakings of material is 0.89 × 10
-8cm
3/ J.
Embodiment 5:
Each composition weight of wet type composite friction material: 650 grams of carbon fiber sheets, 200 grams of the epoxy resin that oxirane value is 0.35,65 grams of quadrols, 30 grams of the nano SiC ceramic particles that particle diameter is 65nm, 225 grams, acetone.
Preparation process:
(1) the above-mentioned epoxy resin taking, quadrol, nano SiC ceramic particle, acetone are carried out to ultrasonic wave and disperse 35min, and be mixed into steeping fluid, in mixing process, keep the temperature of steeping fluid 30 DEG C of left and right;
(2) carbon fiber sheet is put into the steeping fluid preparing and soaked 10min, then take out carbon fiber sheet and put into air dry oven and be dried 36h in 50 DEG C;
(3) put into vulcanizing press in 155 DEG C of hot-press solidifying 15min by 6 layers through immersion, dried carbon fiber sheet, in hot pressing, temperature rise, lower than 6 DEG C, is exitted 3 times;
(4) carbon fiber sheet after compacting is put into the loft drier of 210 DEG C and be cured thermal treatment 10h, temperature rise is 4 DEG C/min; Finally, being cooled to room temperature gets product.
(5) friction materials of gained is detected through MM-2000 type friction material test machine, pressure 2MPa, rotating speed 3500r/min, recording static friction factor is 0.131, and dynamic friction factor is 0.140 ~ 0.150, and the wear rate of 300 brakings of material is 1.2 × 10
-8cm
3/ J.
Embodiment 6:
Each composition weight of wet type composite friction material: 600 grams of carbon fiber sheets, 200 grams of the epoxy resin that oxirane value is 0.32,65 grams of quadrols, 25 grams of the nano SiC ceramic particles that particle diameter is 55nm, 280 grams, acetone.
Preparation process:
(1) the above-mentioned epoxy resin taking, acid anhydrides, nano SiC ceramic particle, acetone are carried out to ultrasonic wave and disperse 40min, and be mixed into steeping fluid, in mixing process, keep the temperature of steeping fluid 30 DEG C of left and right;
(2) carbon fiber sheet is put into the steeping fluid preparing and soaked 10min, then take out carbon fiber sheet and put into air dry oven and be dried 36h in 50 DEG C;
(3) put into vulcanizing press in 160 DEG C of hot-press solidifying 10min by 5 layers through immersion, dried carbon fiber sheet, in hot pressing, temperature rise, lower than 6 DEG C, is exitted 3 times;
(4) carbon fiber sheet after compacting is put into the loft drier of 200 DEG C and be cured thermal treatment 10h, temperature rise is 3 DEG C/min; Finally, being cooled to room temperature gets product.
(5) friction materials of gained is detected through MM-2000 type friction material test machine, pressure 2MPa, rotating speed 3500r/min, recording static friction factor is 0.140, and dynamic friction factor is 0.145 ~ 0.165, and the wear rate of 300 brakings of material is 1.1 × 10
-8cm
3/ J.
Embodiment 7:
Each composition weight of wet type composite friction material: 400 grams of carbon fiber sheets, 100 grams of the epoxy resin that oxirane value is 0.24,50 grams of quadrols, the nanometer TiB that particle diameter is 20nm
210 grams of ceramic particles, 100 grams, acetone.
Preparation process:
(1) by the above-mentioned epoxy resin taking, quadrol, nanometer TiB
2ceramic particle, acetone carry out ultrasonic wave and disperse 25min, and are mixed into steeping fluid, keep the temperature of steeping fluid 30 DEG C of left and right in mixing process;
(2) carbon fiber sheet is put into the steeping fluid preparing and soaked 10min, then take out carbon fiber sheet and put into air dry oven and be dried 36h in 50 DEG C;
(3) put into vulcanizing press in 130 DEG C of hot-press solidifying 30min by 7 layers through immersion, dried carbon fiber sheet, in hot pressing, temperature rise, lower than 6 DEG C, is exitted 3 times;
(4) carbon fiber sheet after compacting is put into the loft drier of 220 DEG C and be cured thermal treatment 8h, temperature rise is 3 DEG C/min; Finally, being cooled to room temperature gets product.
(5) friction materials of gained is detected through MM-2000 type friction material test machine, pressure 2MPa, rotating speed 3500r/min, recording static friction factor is 0.136, and dynamic friction factor is 0.134 ~ 0.149, and the wear rate of 300 brakings of material is 0.87 × 10
-8cm
3/ J.
Embodiment 8:
Each composition weight of wet type composite friction material: 450 grams of carbon fiber sheets, 100 grams of the epoxy resin that oxirane value is 0.24,50 grams of quadrols, 10 grams of the nano SiC ceramic particles that particle diameter is 20nm, 130 grams, acetone.
Preparation process:
(1) the above-mentioned epoxy resin taking, Dyhard RU 100, ceramic of nano SiC, acetone are carried out to ultrasonic wave and disperses 30min, and be mixed into steeping fluid, in mixing process, keep the temperature of steeping fluid 30 DEG C of left and right;
(2) carbon fiber sheet is put into the steeping fluid preparing and soaked 15min, then take out carbon fiber sheet and put into air dry oven and be dried 36h in 50 DEG C;
(3) put into vulcanizing press in 130 DEG C of hot-press solidifying 30min by 3 layers through immersion, dried carbon fiber sheet, in hot pressing, temperature rise, lower than 6 DEG C, is exitted 3 times;
(4) carbon fiber sheet after compacting is put into the loft drier of 180 DEG C and be cured thermal treatment 15h, temperature rise is 3 DEG C/min; Finally, being cooled to room temperature gets product.
(5) friction materials of gained is detected through MM-2000 type friction material test machine, pressure 2MPa, rotating speed 3500r/min, recording static friction factor is 0.130, and dynamic friction factor is 0.136 ~ 0.150, and the wear rate of 300 brakings of material is 0.93 × 10
-8cm
3/ J.
Embodiment 9:
Each composition weight of wet type composite friction material: 800 grams of carbon fiber sheets, 300 grams of the epoxy resin that oxirane value is 0.45,80 grams of quadrols, 50 grams of the nano TiC ceramic particles that particle diameter is 100nm, 450 grams, acetone.
Preparation process:
(1) the above-mentioned epoxy resin taking, acid anhydrides, nano TiC ceramic particle, acetone are carried out to ultrasonic wave and disperse 40min, and be mixed into steeping fluid, in mixing process, keep the temperature of steeping fluid 50 DEG C of left and right;
(2) carbon fiber sheet is put into the steeping fluid preparing and soaked 20min, then take out carbon fiber sheet and put into air dry oven and be dried 18h in 90 DEG C;
(3) put into vulcanizing press in 160 DEG C of hot-press solidifying 10min by 10 layers through immersion, dried carbon fiber sheet, in hot pressing, temperature rise, lower than 6 DEG C, is exitted 3 times;
(4) carbon fiber sheet after compacting is put into the loft drier of 220 DEG C and be cured thermal treatment 8h, temperature rise is 3 DEG C/min; Finally, being cooled to room temperature gets product.
(5) friction materials of gained is detected through MM-2000 type friction material test machine, pressure 2MPa, rotating speed 3500r/min, recording static friction factor is 0.133, and dynamic friction factor is 0.140 ~ 0.153, and the wear rate of 300 brakings of material is 1.2 × 10
-8cm
3/ J.
Embodiment 10:
Each composition weight of wet type composite friction material: 400 grams of carbon fiber sheets, 100 grams of the epoxy resin that oxirane value is 0.24,50 grams of quadrols, 10 grams of the nano SiC ceramic particles that particle diameter is 20nm, 100 grams, acetone.
Preparation process:
(1) the above-mentioned epoxy resin taking, quadrol, ceramic of nano SiC, acetone are carried out to ultrasonic wave and disperses 25min, and be mixed into steeping fluid, in mixing process, keep the temperature of steeping fluid 30 DEG C of left and right;
(2) carbon fiber sheet is put into the steeping fluid preparing and soaked 10min, then take out carbon fiber sheet and put into air dry oven and be dried 30h in 75 DEG C;
(3) put into vulcanizing press in 140 DEG C of hot-press solidifying 25min by 5 layers through immersion, dried carbon fiber sheet, in hot pressing, temperature rise, lower than 6 DEG C, is exitted 3 times;
(4) carbon fiber sheet after compacting is put into the loft drier of 180 DEG C and be cured thermal treatment 15h, temperature rise is 3 DEG C/min; Finally, being cooled to room temperature gets product.
(5) friction materials of gained is detected through MM-2000 type friction material test machine, pressure 2MPa, rotating speed 3500r/min, recording static friction factor is 0.132, and dynamic friction factor is 0.136 ~ 0.142, and the wear rate of 300 brakings of material is 0.96 × 10
-8cm
3/ J.
Claims (1)
1. a method of preparing wet type composite friction material, is characterized in that: this preparation method comprises the following steps successively:
(1) take carbon fiber sheet, thermosetting resin, solidifying agent, conditioning agent and solvent by the parts by weight of each component, then thermosetting resin, solidifying agent, conditioning agent and solvent are carried out disperseing 20～40min in ultrasonic wave, be mixed into steeping fluid, and in mixing process, keep the temperature of steeping fluid at 30～50 DEG C;
(2) after liquid to be impregnated is made into, carbon fiber sheet is put into steeping fluid and soak 10～20min, then take out carbon fiber sheet and put into air dry oven and be dried in 50～90 DEG C, be 18～36h time of drying;
(3) by 3～10 layers through soaking, dried carbon fiber sheet puts into vulcanizing press in 130～160 DEG C of hot-press solidifying 10～30min, in hot pressing from room temperature to hot pressing temperature temperature rise lower than 6 DEG C/min, exit 2～4 times;
(4) carbon fiber sheet after compacting is put into the loft drier of 180～220 DEG C and be cured thermal treatment 8～15h, temperature rise is 3～5 DEG C/min; Finally, being cooled to room temperature gets product;
The component of described wet type composite friction material comprises as the carbon fiber sheet of material skeleton, thermosetting resin, solidifying agent, conditioning agent and solvent; The parts by weight of described each component are:
40～80 parts of carbon fiber sheets,
10～30 parts of thermosetting resins,
8～15 parts, solidifying agent,
1～5 part of conditioning agent,
Described carbon fiber sheet is the carbon fiber sheet of orthogonal line or oblique line;
Described thermosetting resin is the epoxy resin of binding type;
Described solidifying agent is quadrol;
Described conditioning agent is nano-ceramic particle, is selected from nano SiC ceramic particle, nano TiC ceramic particle and nanometer TiB
2one in ceramic particle;
Described solvent is selected from the one in acetone and dehydrated alcohol.
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| CN103881295B (en) * | 2014-03-31 | 2016-04-06 | 陕西科技大学 | A kind of modified by nano particles carbon cloth strengthens the preparation method of Wet-type friction material |
| CN109988392B (en) * | 2019-03-28 | 2021-11-23 | 广西民族大学 | Basalt fiber cloth/resin-based wet friction material and preparation method thereof |
| CN110655908A (en) * | 2019-10-11 | 2020-01-07 | 山东万邦新材料科技有限公司 | Preparation method of carbon fiber friction material |
| CN111691069B (en) * | 2020-05-18 | 2021-10-08 | 苏州大学 | Puncture-resistant fiber composite membrane and preparation method thereof |
| CN113123162A (en) * | 2021-04-09 | 2021-07-16 | 西北工业大学 | Preparation method of double-substrate paper-based friction material with excellent performance |
| CN114196159A (en) * | 2021-11-15 | 2022-03-18 | 泰山体育产业集团有限公司 | Layered carbon fiber reinforced friction material and preparation process thereof |
| CN115385711A (en) * | 2022-07-05 | 2022-11-25 | 烟台凯泊复合材料科技有限公司 | Composite-structure light ceramic brake disc and preparation method thereof |
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