CN101956776A - High strength car braking friction plate containing nanomaterial and production method thereof - Google Patents
High strength car braking friction plate containing nanomaterial and production method thereof Download PDFInfo
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- CN101956776A CN101956776A CN 201010510463 CN201010510463A CN101956776A CN 101956776 A CN101956776 A CN 101956776A CN 201010510463 CN201010510463 CN 201010510463 CN 201010510463 A CN201010510463 A CN 201010510463A CN 101956776 A CN101956776 A CN 101956776A
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Abstract
The invention discloses a high strength car braking friction plate containing a nanomaterial and a production method thereof. The raw materials of the car braking friction plate mainly contain carbon fiber, carbon nanotubes, nanameter rare earth silicate, clay, graphite, molybdenum disulfide, friction-type mix, resin, metal powder, butadiene-nitrile rubber and inorganic adhesive. The production method comprises the following steps: firstly pretreating, stirring and mixing the raw materials, performing hot-pressing with a single-layer hotpress; and secondly performing grinding machining and drilling according to demands on the shapes of different products to obtain the friction plate. The high strength car braking friction plate containing the nanomaterial has low metal content, good mechanical properties and heat resistance, long service life, low cost and high production efficiency. The prepared friction plate is suitable for various cars. The strength of the high strength car braking friction plate containing the nanomaterial is increased by about two fifth, the high-temperature resistance and the stability are increased by one third, and the noise is reduced by one fifth.
Description
Technical field
The present invention relates to a kind of high strength brake friction material, promptly a kind of high-strength vehicle brake friction sheet and production method thereof that contains nanometer material.
Background technique
Developed countries brake block industry all maintains the leading position at aspects such as technical matters, quality controls at present, and the exploitation of brake block manufacturing enterprise and car load enterprise is synchronous.
Simultaneously, because China domestic brake block market is huge, economic environment is good, aspect factors such as labour force's cheapness, and external brake block enterprise has now presented progressively the trend to the domestic transfer throughput of China.Also there is secret worry in this situation when driving domestic brake block industry development.External esbablished corporation has product, brand, capital advantage, is a challenge to national enterprise.Develop from the technical matters of present worldwide brake block, what the research of double metal formulations and application were the most successful should belong to the North America; To few metal formulations research with use and the most successful should belong to Europe; NAO(is not had the asbestos organic substance) research of prescription and use and the most successful should belong to Japan.But make a general survey of the development trend of All Around The World brake block product, though various formula system all has the market of its application.
Fast development along with Domestic Automotive Industry, user vehicle more and more improves the requirement of braking safety, asbestos friction sheet originally be the substitute is semimetal friction material, as carbon fiber, steel fiber and organic fiber etc. because environmental pollution is eliminated.Few metal formulations and NAO prescription have become the trend of guiding friction material development, NAO prescription friction material has occupied more than 60% of North America host computer market now, though few metallic friction material also in the main body in occupation of European friction material market, has had considerable main frame and after market that NAO prescription friction material has been had certain demand.
Although the non-asbestos brake block environmental protection of disclosed document and patent report still has many deficiencys, if any the insufficient strength height, anti-very fast temperature becomes and is weak, what have is easy to generate microscopic crack, and it is easy to wear that mating plate has, and noise is big etc., most important is complex process, and the life-span is short, and efficient is low.
Summary of the invention
The present invention provides a kind of few metal, good mechanical property resistance to heat good in order to solve above-mentioned technical problem, long service life, the high-strength vehicle brake friction sheet that contains nanometer material that cost is low and manufacturing efficiency is high.
Process technology scheme of the present invention
A kind of high-strength vehicle brake friction sheet that contains nanometer material, promptly adopt carbon fiber and carbon nano-tube to do the friction plate reinforcing material, add nano-silicon acid rare earth salt, potter's clay, graphite, molybdenum disulfide, friction powder, resin, metal powder, nitrile butadiene rubber, inorganic bond etc., concrete composition and mass percent are as follows:
Carbon fiber 16～28%
Carbon nano-tube 3～6%
Nano-silicon acid rare earth salt 4～13%
Potter's clay 9～19%
Graphite 4～18%
Molybdenum disulfide 4～9%
Friction powder 4～10%
Resin 1～4.5%
Metal powder 1～7%
Nitrile butadiene rubber 1～5%
Inorganic bond 8～24%
Above-described carbon fiber is a high-performance polyacrylonitrile-based carbon fiber, intensity 4000～6000MPa, modulus 230～350Gpa;
Rare earth in the wherein said nano-silicon acid rare earth salt is lanthanum, Cerium or yttrium; Nano-silicon acid rare earth salt particle diameter 25～98 nanometers, relative density 1～2.7g/cm
3
Wherein said graphite is aquadag, and grain size is at 0.1～0.01 micron;
Wherein said potter's clay is based on smectite and white clay;
Wherein said friction powder is a coconut oil friction powder;
Wherein said resin is phenolic resin and modified resin thereof;
Wherein said metal powder is meant that particle diameter is 10
The copper powder of m left and right sides unit, aluminium powder, zinc powder, any two kinds mixture of rare earth powder;
Wherein said inorganic binder is water glass, mica or silica;
Wherein said carbon nano-tube particle diameter 67～78 nanometers.
A kind of production method that contains the high-strength vehicle brake friction sheet of nanometer material mainly comprises following key step:
(1), the potter's clay, nitrile butadiene rubber and the mixed with resin that take by weighing heat-treat, to temperature 158～179 ℃ the time, insulation 11～22min is heated to 180～190 ℃ of insulation 11～22min subsequently again, is cooled to 40～50 ℃, mixed material A;
(2), the carbon nano-tube that takes by weighing, nano-silicon acid rare earth salt, graphite, molybdenum disulfide, friction powder and metal
After fully stirring, mix, powder gets mixed material B;
(3), the carbon fiber that takes by weighing, with the mixed material A and the mixed material B of step (1), step (2) gained
The homogenizer (〉 3000rpm that adds the band reamer together) in the mixing and blending machine, batch mixing 11～
16min adds inorganic binder again, continues to mix 18～32min, gets mixed material C;
(4), the mixed material C of step (3) is carried out moulding, promptly adopt 500 tons of single-layer hot presses through matched moulds
Pressurization makes its moulding and heat cure in press mold, and put into hot-pressing die and carry out hot pressing, 114～
139 ℃, unit pressure are to suppress under 35～40MPa condition;
(5), heat-treat again after step (4) compacting, in heat treatment process, realize heating automatically, rise
Temperature at the beginning, speed is 0.6～1.2 ℃ of per minute; When the temperature in the baking box reaches 84 ℃, again
Be warming up to 175～190 ℃ of following constant temperature 3.5～5 hours with 2.4～3.2 ℃ of per minutes, after fall automatically
Temperature is taken out goods when reaching 50 ℃, according to different shape of products require to process, hole,
Promptly get a kind of high-strength vehicle brake friction sheet product that contains nanometer material of the present invention after the cleaning.
The high-strength vehicle brake friction sheet of invention is applicable to various automobiles.
Beneficial effect of the present invention
Compare with existing brake strip, innovation of the present invention and progressive advantage are mainly reflected in:
1, owing to adopted carbon nano-tube, carbon fiber and pottery to be matrix, carbon nano-tube have higher specific strength and specific modulus (specific modulus is the ratio of modulus with the density of material, is an important indicator of material bearing capacity.
Specific modulus is big more, and the rigidity of part is just bigger.), high elastic modulus; Carbon fiber has higher specific strength and specific modulus, the problem that does not have simultaneously corrosion, in addition it also to have proportion little, resistance to chemical attack, heat-resisting, shock-resistant, the characteristics that heat conductivity is little, after the adding ceramic matrix is formed composite matrix, its intensity, heat-resisting quantity, stability and character of heat-fading have obtained further raising.
2, the adhesive quality of nano components, fiber is to influence Organizational Structure, the principal element of wear resistance and intensity.Rationally
The key of application of carbon fibres advantage is fiber opening, and fully fiber opening is a key of making the carbon fiber vehicle brake friction sheet, otherwise the characteristic of fiber can't fully show, even runs counter to desire.The present invention adopts the plough type batch mixer of band reamer to carry out batch mixing, increased mixing time, made the fiber that unclamps form spongelike structure, carbon nano-tube and nano-silicon acid rare earth enter in the spongelike structure, thereby further improved the wear-resisting of material, anti-, high temperature and stability;
3, carbon nano-tube and nano-silicon acid rare earth have obvious high wear resistance, and its adding can obviously improve the anti-of material
Mill property;
What 4, cause in order to prevent that hardness is too high breaks easily, and the present invention adds and has good plasticity, flexible fourth
Nitrite rubber;
5, in production technology, improved heat treated temperature and time, and in pressing process, suitably improved
Pressure so the constant temperature time after the compacting shortened to 3.5-5 hour by 6-12 hour, has improved manufacturing efficiency;
6, that the vehicle brake friction sheet shear strength is improved is about 2/5 for this prescription and preparation process, and heat-resisting quantity improves 1/3,
Noise reduces by 1/5; Total wear rate reduces by 1/4.
Embodiment
Below by embodiment the present invention is further set forth, therefore do not limit the present invention among the described scope of embodiments.
The raw material that the present invention is used:
Carbon fiber is a high-performance polyacrylonitrile-based carbon fiber, by the beautiful Toray in east company is produced;
Carbon nano-tube, nano-silicon acid rare earth salt are by Shanghai Institute Of Technology is produced;
Wherein said graphite is aquadag, and grain size is at 0.072 micron;
Wherein said potter's clay is based on smectite and white clay;
Wherein said friction powder is a coconut oil friction powder;
Wherein said resin is phenolic resin and modified resin thereof;
Wherein said metal powder is meant that particle diameter is 15
M left and right sides zinc powder;
Wherein said inorganic binder is a mica;
Wherein said carbon nano-tube particle diameter is about 65 nanometers;
Other used material is material and the commodity that generally acknowledge in market.
Embodiment 1
A kind of prescription that contains the high-strength vehicle brake friction sheet of nanometer material is formed as follows by mass percentage:
Carbon fiber 24
Carbon nano-tube 5
Nanometer silicic acid cerium 8
White clay 15
Graphite 7
Molybdenum disulfide 4
Friction powder 5
Resin 1
Rare earth powder 6
Nitrile butadiene rubber 4.2
Water glass 20.8
Wherein said carbon fiber is a high-performance polyacrylonitrile-based carbon fiber, intensity 4000～6000MPa, modulus 230～350Gpa;
About wherein said nanometer silicic acid Cerium particle diameter 75 nanometers, relative density 2.5g/cm
3About; Described carbon nano-tube particle diameter is about 80 nanometers;
Wherein said graphite is aquadag, and grain size is about 0.096 micron;
Wherein said friction powder is a coconut oil friction powder;
Wherein said resin is phenolic resin and modified resin thereof;
Wherein said rare earth powder middle rare earth is lanthanum, Cerium or yttrium; Particle diameter is 5
About m.
Above-mentioned a kind of production method that contains the high-strength vehicle brake friction sheet of nanometer material mainly comprises following key step:
(1), the potter's clay, nitrile butadiene rubber and the resin that take by weighing heat-treat, to temperature 165 ℃ the time, insulation
15min is heated to 185 ℃ of insulation 16min subsequently again, is cooled to 42 ℃, gets mixed material A;
(2), the carbon nano-tube that takes by weighing, nano-silicon acid rare earth salt, graphite, molybdenum disulfide, friction powder and metal
Powder fully stirs, mixes, and gets mixed material B;
(3), the carbon fiber that takes by weighing, with the mixed material A and the mixed material B of step (1), step (2) gained
The homogenizer (〉 3000rpm that adds the band reamer together) in the mixing and blending machine, batch mixing 12min,
Add inorganic additive again, continue to mix 22min, get mixed material C;
(4), the raw material of step (3) are carried out moulding, promptly adopt 500 tons of single-layer hot presses through the matched moulds pressurization,
Making its moulding and heat cure in press mold, put into hot-pressing die and carry out hot pressing, is to suppress under the 37MPa condition at 118 ℃, unit pressure;
Pressing process is: spraying releasing agent-reinforced-airtight pressurization-exhaust-constant voltage-demoulding-
The press mold cleaning;
(5), heat-treat again after step (4) compacting, in heat treatment process, realize heating automatically, rise
Temperature at the beginning, speed is 0.9 ℃ of per minute; When the temperature in the baking box reaches 84 ℃, per minute
Heat up 2.6 ℃, last, 178 ℃ of following constant temperature is 4 hours again.Automatically cooling is taken out when reaching 50 ℃
Goods require to process, hole, clear up promptly to get of the present invention one according to different shape of products
Plant the high-strength vehicle brake friction sheet product that contains nanometer material.
A kind of high-strength vehicle brake friction sheet that contains nanometer material of above-mentioned gained: the friction plate shear strength is 6.0MPa, 430 ° of C of heat-resisting quantity, and noise 66dB, total wear rate is 0.30; Friction factor is 0.38.Compare shear strength with the vehicle brake friction sheet of prior art and improve approximately 2/5, heat-resisting quantity and stability improve 1/3, and noise reduces by 1/5; Wear resistance improves 1/4.
Embodiment 2
Above-mentioned a kind of prescription that contains the high-strength vehicle brake friction sheet of nanometer material is formed by mass percentage following:
Carbon fiber 26
Carbon nano-tube 4.5
Nanometer yttrium silicate 7.5
Montmorilionite 16
Graphite 8
Molybdenum disulfide 6
Friction powder 7
Resin 1.5
Aluminium powder 6
Nitrile butadiene rubber 5
Mica 12.5
Wherein said carbon fiber is a high-performance polyacrylonitrile-based carbon fiber, intensity 4000～6000MPa, modulus 230～350Gpa;
About wherein said nanometer yttrium silicate particle diameter 60 nanometers, relative density 2.0g/cm
3Described carbon nano-tube particle diameter is about 65 nanometers;
Wherein said graphite is aquadag, and grain size is at 0.090 micron;
Wherein said friction powder is a coconut oil friction powder;
Wherein said resin is phenolic resin and modified resin thereof;
Wherein said inorganic binder is a mica;
Wherein said aluminium powder particle diameter is 10
About m.
A kind of production method that contains the high-strength vehicle brake friction sheet of nanometer material mainly comprises following key step:
(1), the potter's clay with taking by weighing, nitrile butadiene rubber and resin heat-treat, to temperature 168 ℃ the time, insulation
13min is heated to 188 ℃ of insulation 15min subsequently again, is cooled to 43 ℃, gets mixed material A;
(2), with the carbon nano-tube, nano-silicon acid rare earth salt, graphite, molybdenum disulfide, friction powder and the metal that take by weighing
Powder fully stirs, mixes, and gets mixed material B;
(3), the carbon fiber that takes by weighing, with the mixed material A and the mixed material B of step (1), step (2) gained
The homogenizer (〉 3000rpm that adds the band reamer together) in the mixing and blending machine, batch mixing 10min,
Add inorganic additive again, continue to mix 24min, get mixed material C;
(4), the raw material of step (3) are carried out moulding, promptly adopt 500 tons of single-layer hot presses through the matched moulds pressurization,
Make its moulding and heat cure in press mold, put into hot-pressing die and carry out hot pressing, 121 ℃, unit pressure
Power is to suppress under the 38MPa condition;
Pressing process is: spraying releasing agent-reinforced-airtight pressurization-exhaust-constant voltage-demoulding-
The press mold cleaning;
(5), heat-treat again after step (4) compacting, in heat treatment process, realize heating automatically, rise
Temperature at the beginning, speed is 0.7 ℃ of per minute; When the temperature in the baking box reaches 82 ℃, per minute
Heat up 2.8 ℃, last, 176 ℃ of following constant temperature is 4.5 hours again.Automatically cooling is got when reaching 50 ℃
Go out goods, according to different shape of product require to process, hole, clear up promptly get of the present invention
A kind of high-strength vehicle brake friction sheet product that contains nanometer material.
A kind of high-strength vehicle brake friction sheet that contains nanometer material of above-mentioned gained: the friction plate shear strength is: 6.3MPa, and 390 ° of C of heat-resisting quantity, noise 64dB, total wear rate is 0.32; Friction factor is 0.36.(with the vehicle brake friction sheet of prior art mutually specific strength improve approximately 2/5, heat-resisting quantity and stability improve 1/3, noise reduces by 1/5; Wear resistance improves 1/4.）
Embodiment 3
A kind of prescription that contains the high-strength vehicle brake friction sheet of nanometer material is formed by mass percentage following:
Carbon fiber 26
Carbon nano-tube 4.5
Nanometer lanthanum silicate 7.5
White clay 16
Graphite 8
Molybdenum disulfide 6
Friction powder 7
Resin 1.5
Zinc powder 6
Nitrile butadiene rubber 5
Silica 12.5
Wherein said carbon fiber is a high-performance polyacrylonitrile-based carbon fiber, intensity 4000～6000MPa, modulus 230～350Gpa;
About wherein said nanometer lanthanum silicate particle diameter 60nm, relative density 2.0g/cm
3Described carbon nano-tube particle diameter is about 65 nanometers.
Wherein said graphite is aquadag, and grain size is at 0.090 micron;
Wherein said friction powder is a coconut oil friction powder;
Wherein said resin is phenolic resin and modified resin thereof;
Wherein said inorganic binder is a silica;
Wherein said zinc powder particle diameter is 10
About m.
Above-mentioned a kind of production method that contains the high-strength vehicle brake friction sheet of nanometer material mainly comprises following key step:
(1), the potter's clay, nitrile butadiene rubber and the resin that take by weighing heat-treat, to temperature 170 ℃ the time, insulation
15min is heated to 178 ℃ of insulation 20min subsequently again, is cooled to 48 ℃, gets mixture A;
(2), the carbon nano-tube that takes by weighing, nano-silicon acid rare earth salt, graphite, molybdenum disulfide, friction powder and metal
Powder fully stirs, mixes;
(3), the carbon fiber that takes by weighing, with the mixed material A and the mixed material B of step (1), step (2) gained
The homogenizer (〉 3000rpm that adds the band reamer together) in the mixing and blending machine, batch mixing 12min,
Add inorganic additive again, continue to mix 22min;
(4), the raw material of step (3) are carried out moulding, promptly adopt 500 tons of single-layer hot presses through the matched moulds pressurization,
Make its moulding and heat cure in press mold, put into hot-pressing die and carry out hot pressing, 120 ℃, unit pressure
Power is to suppress under the 40MPa condition;
Pressing process is: spraying releasing agent-reinforced-airtight pressurization-exhaust-constant voltage-demoulding-
The press mold cleaning;
(5), heat-treat again after step (4) compacting, in heat treatment process, realize heating automatically, rise
Temperature at the beginning, speed is 0.6 ℃ of per minute; When the temperature in the baking box reaches 80 ℃, per minute
Heat up 2.9 ℃, last, 173 ℃ of following constant temperature is 4.2 hours again.Automatically cooling is when reaching 50 ℃
Take out goods, require to process, hole, clear up promptly to get the present invention according to different shape of products
A kind of high-strength vehicle brake friction sheet product that contains nanometer material.
A kind of high-strength vehicle brake friction sheet that contains nanometer material of above-mentioned gained: the friction plate shear strength is 6.2MPa, 440 ° of C of heat-resisting quantity, and noise 65dB, total wear rate is 0.29; Friction factor is 0.35.(with the vehicle brake friction sheet of prior art mutually specific strength improve approximately 2/5, heat-resisting quantity and stability improve 1/3, noise reduces by 1/5; Wear resistance improves 1/4.）
Embodiment 4
A kind of prescription that contains the high-strength vehicle brake friction sheet of nanometer material is formed by mass percentage following:
Carbon fiber 25
Carbon nano-tube 4.5
Nanometer lanthanum silicate 7.5
Montmorilionite 14
Graphite 8
Molybdenum disulfide 5
Friction powder 6
Resin 1
Copper powder 7
Nitrile butadiene rubber 4.0
Water glass 18
Wherein said carbon fiber is a high-performance polyacrylonitrile-based carbon fiber, intensity 4000～6000MPa, modulus 230～350Gpa;
About wherein said nanometer lanthanum silicate particle diameter 70nm, relative density 2.5g/cm
3About; Described carbon nano-tube particle diameter is about 68 nanometers;
Wherein said graphite is aquadag, and grain size is about 0.088 micron;
Wherein said friction powder is a coconut oil friction powder;
Wherein said resin is phenolic resin and modified resin thereof;
Wherein said copper powder size is 12
M.
Above-mentioned a kind of production method that contains the high-strength vehicle brake friction sheet of nanometer material is as embodiment 3.
Above said content only is the basic explanation of the present invention under conceiving, and according to any equivalent transformation that technological scheme of the present invention is done, all should belong to protection scope of the present invention.
Claims (7)
1. high-strength vehicle brake friction sheet that contains nanometer material is characterized in that compositing formula is as follows by mass percentage:
Carbon fiber 16～28%
Carbon nano-tube 3～6%
Nano-silicon acid rare earth salt 4～13%
Potter's clay 9～19%
Graphite 4～18%
Molybdenum disulfide 4～9%
Friction powder 4～10%
Resin 1～4.5%
Metal powder 1～7%
Nitrile butadiene rubber 1～5%
Inorganic bond 8～24%
Wherein said carbon fiber is a high-performance polyacrylonitrile-based carbon fiber, intensity 4000～6000MPa, modulus 230～350Gpa;
Rare earth in the wherein said nano-silicon acid rare earth salt is lanthanum, Cerium or yttrium; Nano-silicon acid rare earth salt particle diameter 25～98 nanometers, relative density 1～2.7g/cm
3
Wherein said graphite is aquadag, and grain size is at 0.1～0.01 micron;
Wherein said potter's clay is based on smectite and white clay;
Wherein said friction powder is a coconut oil friction powder;
Wherein said resin is phenolic resin and modified resin thereof;
Wherein said metal powder is meant that particle diameter is 10
Copper powder about m, aluminium powder, zinc powder, any two kinds mixture of rare earth powder;
Wherein said inorganic binder is water glass, mica or silica;
Wherein said carbon nano-tube particle diameter 67～78 nanometers.
2. a kind of high-strength vehicle brake friction sheet that contains nanometer material as claimed in claim 1 is characterized in that its compositing formula is preferably as follows by mass percentage:
Carbon fiber 24～26%
Carbon nano-tube 4.5～5%
Nano-silicon acid rare earth salt 7.5～8%
Potter's clay 14～16%
Graphite 7～8%
Molybdenum disulfide 4～6%
Friction powder 5～7%
Resin 1～1.5%
Metal powder 6～7%
Nitrile butadiene rubber 4～5%
Inorganic bond 12.5～20.8%
Rare earth in the wherein said nano-silicon acid rare earth salt is lanthanum, Cerium or yttrium; Nano-silicon acid rare earth salt particle diameter 60～75 nanometers, relative density 2～2.5g/cm
3
Wherein said graphite is aquadag, and grain size is at 0.088～0.096 micron;
Wherein said potter's clay is based on smectite and white clay;
Wherein said friction powder is a coconut oil friction powder;
Wherein said resin is phenolic resin and modified resin thereof;
Wherein said metal powder is meant that particle diameter is 5～12
Copper powder about m, aluminium powder, zinc powder, any two kinds mixture of rare earth powder;
Wherein said inorganic binder is water glass, mica or silica;
Wherein said carbon nano-tube particle diameter is 65～80 nanometers.
3. a kind of high-strength vehicle brake friction sheet that contains nanometer material as claimed in claim 1 or 2, its feature
Be that its compositing formula is preferably as follows by mass percentage:
Carbon fiber 25
Carbon nano-tube 4.5
Nanometer lanthanum silicate 7.5
Montmorilionite 14
Graphite 8
Molybdenum disulfide 5
Friction powder 6
Resin 1
Copper powder 7
Nitrile butadiene rubber 4.0
Water glass 18
Rare earth in the wherein said nano-silicon acid rare earth salt is the nanometer lanthanum silicate; About nanometer lanthanum silicate particle diameter 70nm, relative density 2.5g/cm
3About;
Wherein said graphite is aquadag, and grain size is about 0.088 micron;
Wherein said carbon nano-tube particle diameter is about 68 nanometers;
Wherein said copper powder size is 12
M.
4. a kind of high-strength vehicle brake friction sheet that contains nanometer material as claimed in claim 1 or 2 is characterized in that its compositing formula is preferably as follows by mass percentage:
A kind of prescription that contains the high-strength vehicle brake friction sheet of nanometer material is formed as follows by mass percentage:
Carbon fiber 24
Carbon nano-tube 5
Nanometer silicic acid cerium 8
White clay 15
Graphite 7
Molybdenum disulfide 4
Friction powder 5
Resin 1
Rare earth powder 6
Nitrile butadiene rubber 4.2
Water glass 20.8
About wherein said nanometer silicic acid Cerium particle diameter 75 nanometers, relative density 2.5g/cm
3About; Described carbon nano-tube particle diameter is about 80 nanometers;
Wherein said graphite is aquadag, and grain size is about 0.096 micron;
Wherein said friction powder is a coconut oil friction powder;
Wherein said resin is phenolic resin and modified resin thereof;
Wherein said rare earth powder middle rare earth is lanthanum, Cerium or yttrium; Particle diameter is 5
About m.
5. a kind of high-strength vehicle brake friction sheet that contains nanometer material as claimed in claim 1 or 2 is characterized in that its compositing formula is preferably as follows by mass percentage:
Carbon fiber 26
Carbon nano-tube 4.5
Nanometer yttrium silicate 7.5
Montmorilionite 16
Graphite 8
Molybdenum disulfide 6
Friction powder 7
Resin 1.5
Aluminium powder 6
Nitrile butadiene rubber 5
Mica 12.5
About wherein said nanometer yttrium silicate particle diameter 60 nanometers, relative density 2.0g/cm3; Described carbon nano-tube particle diameter is about 65 nanometers;
Wherein said graphite is aquadag, and grain size is at 0.090 micron;
Wherein said friction powder is a coconut oil friction powder;
Wherein said resin is phenolic resin and modified resin thereof;
Wherein said inorganic binder is a mica;
Wherein said aluminium powder particle diameter is 10
About m.
6. a kind of high-strength vehicle brake friction sheet that contains nanometer material as claimed in claim 1 or 2 is characterized in that its described aluminium powder substitutes with zinc powder.
7. any production method that contains the high-strength vehicle brake friction sheet of nanometer material as claimed in claim 1 or 2 is characterized in that comprising following key step:
(1), the potter's clay, nitrile butadiene rubber and the mixed with resin that take by weighing heat-treat, to temperature 158～179 ℃ the time, insulation 11～22min is heated to 180～190 ℃ of insulation 11～22min subsequently again, is cooled to 40～50 ℃, mixed material A;
(2), the carbon nano-tube that takes by weighing, nano-silicon acid rare earth salt, graphite, molybdenum disulfide and friction powder or metal
After fully stirring, mix, powder gets mixed material B;
(3), the carbon fiber that takes by weighing, the raw material after the mixed processing of step (1), step (2) gained adds
Go into homogenizer (〉 3000rpm with reamer) in the mixing and blending machine, batch mixing 11～16min adds inorganic binder again, continues to mix 18～32min, mixed material C;
(4), the mixed material C of step (3) is carried out moulding, promptly adopt 500 tons of single-layer hot presses, make its moulding and heat cure in press mold, put into hot-pressing die and carry out hot pressing through the matched moulds pressurization, 114～
139 ℃, unit pressure are to suppress under 35～40MPa condition;
(5), heat-treat again after step (4) compacting, in heat treatment process, realize heating automatically, rise
Temperature at the beginning, speed is 0.6～1.2 ℃ of per minute; When the temperature in the baking box reaches 84 ℃, again
Be warming up to 175～190 ℃ of following constant temperature 3.5～5 hours with 2.4～3.2 ℃ of per minutes, after fall automatically
Temperature is taken out goods when reaching 50 ℃, according to different shape of products require to process, hole,
Promptly get a kind of high-strength vehicle brake friction sheet product that contains nanometer material of the present invention after the cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010510463 CN101956776A (en) | 2010-10-19 | 2010-10-19 | High strength car braking friction plate containing nanomaterial and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010510463 CN101956776A (en) | 2010-10-19 | 2010-10-19 | High strength car braking friction plate containing nanomaterial and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101956776A true CN101956776A (en) | 2011-01-26 |
Family
ID=43484309
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010510463 Pending CN101956776A (en) | 2010-10-19 | 2010-10-19 | High strength car braking friction plate containing nanomaterial and production method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN101956776A (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516942A (en) * | 2011-11-23 | 2012-06-27 | 常熟钰泰隆摩擦新材料科技有限公司 | Environment-friendly type friction material modified by rare earth oxide, and preparation method thereof |
| CN102618216A (en) * | 2012-02-27 | 2012-08-01 | 西北工业大学 | Ceramic-like friction material and preparation method thereof |
| CN103148138A (en) * | 2011-11-17 | 2013-06-12 | 舍弗勒技术股份两合公司 | Friction and/or sliding liner |
| CN103185095A (en) * | 2011-12-29 | 2013-07-03 | 上海壬丰复合材料有限公司 | Friction sheet for wind energy generator yaw device and manufacturing method thereof |
| CN103644224A (en) * | 2013-11-15 | 2014-03-19 | 宁国飞鹰汽车零部件股份有限公司 | Novel rare earth compound type brake pad and preparation method thereof |
| CN104211421A (en) * | 2014-08-28 | 2014-12-17 | 万山特区宏安摩擦材料有限公司 | Method for mixing raw materials of carbon-based ceramic brake block |
| CN105295120A (en) * | 2015-09-11 | 2016-02-03 | 博戈橡胶金属（上海）有限公司 | Rubber with self-lubricating effect for lining and preparation method of rubber |
| CN106279831A (en) * | 2016-08-25 | 2017-01-04 | 昆明云垦橡胶有限公司 | A kind of nanometer height heat conductive rubber and preparation method thereof |
| CN106402217A (en) * | 2016-11-13 | 2017-02-15 | 徐州乐泰机电科技有限公司 | Nanoscale compound wear-resisting brake pad |
| CN106397879A (en) * | 2016-08-31 | 2017-02-15 | 昆明云垦橡胶有限公司 | Preparation method of sound-absorbing rubber |
| CN106594134A (en) * | 2017-01-11 | 2017-04-26 | 宁国飞鹰汽车零部件股份有限公司 | Friction plate of high-temperature-resistant automobile clutch driven plate, and production method thereof |
| CN107614920A (en) * | 2015-12-07 | 2018-01-19 | 安徽大富重工机械有限公司 | The preparation method of ceramic frication material, vehicle brake-holder block and vehicle brake-holder block |
| CN107740828A (en) * | 2017-09-27 | 2018-02-27 | 武汉元丰摩擦材料有限公司 | A kind of high-temperature resistant friction material and preparation method thereof |
| CN108506388A (en) * | 2018-05-02 | 2018-09-07 | 中南大学 | A kind of low noise high metal army Vehicular friction plate and preparation method thereof |
| CN108662050A (en) * | 2018-03-26 | 2018-10-16 | 武汉理工大学 | Carbon fiber brake block material with porous structure and preparation method thereof |
| CN109099092A (en) * | 2018-09-17 | 2018-12-28 | 安徽博耐克摩擦材料有限公司 | A kind of high abrasion-proof brake block and preparation method thereof |
| CN112431877A (en) * | 2020-10-21 | 2021-03-02 | 安徽奥普汽车制动***有限公司 | Preparation method of M-2 type friction plate abrasion acoustic alarm |
| CN113294465A (en) * | 2021-06-07 | 2021-08-24 | 福州大学 | Coconut fiber brake pad and preparation method thereof |
| CN114151479A (en) * | 2021-11-22 | 2022-03-08 | 广州安科达汽车制动***有限公司 | Magnetic rare earth friction material with friction coefficient and temperature changing in same direction and preparation method thereof |
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| CN101476608A (en) * | 2008-12-25 | 2009-07-08 | 青岛国人机械有限公司 | Carbon fiber ceramic nano-silicate high-strength vehicle brake friction sheet and its production method |
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Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148138A (en) * | 2011-11-17 | 2013-06-12 | 舍弗勒技术股份两合公司 | Friction and/or sliding liner |
| CN103148138B (en) * | 2011-11-17 | 2018-01-12 | 舍弗勒技术股份两合公司 | Friction facing |
| CN102516942A (en) * | 2011-11-23 | 2012-06-27 | 常熟钰泰隆摩擦新材料科技有限公司 | Environment-friendly type friction material modified by rare earth oxide, and preparation method thereof |
| CN102516942B (en) * | 2011-11-23 | 2014-09-24 | 常熟钰泰隆摩擦新材料科技有限公司 | Environment-friendly type friction material modified by rare earth oxide, and preparation method thereof |
| CN103185095A (en) * | 2011-12-29 | 2013-07-03 | 上海壬丰复合材料有限公司 | Friction sheet for wind energy generator yaw device and manufacturing method thereof |
| CN103185095B (en) * | 2011-12-29 | 2015-11-18 | 上海壬丰复合材料有限公司 | A kind of for friction sheet for wind energy generator yaw device and manufacture method thereof |
| CN102618216A (en) * | 2012-02-27 | 2012-08-01 | 西北工业大学 | Ceramic-like friction material and preparation method thereof |
| CN103644224A (en) * | 2013-11-15 | 2014-03-19 | 宁国飞鹰汽车零部件股份有限公司 | Novel rare earth compound type brake pad and preparation method thereof |
| CN104211421A (en) * | 2014-08-28 | 2014-12-17 | 万山特区宏安摩擦材料有限公司 | Method for mixing raw materials of carbon-based ceramic brake block |
| CN104211421B (en) * | 2014-08-28 | 2016-03-02 | 贵州宏安制动器科技有限公司 | A kind of carbon base ceramics brake(-holder) block method for mixing raw materials |
| CN105295120A (en) * | 2015-09-11 | 2016-02-03 | 博戈橡胶金属（上海）有限公司 | Rubber with self-lubricating effect for lining and preparation method of rubber |
| CN107614920A (en) * | 2015-12-07 | 2018-01-19 | 安徽大富重工机械有限公司 | The preparation method of ceramic frication material, vehicle brake-holder block and vehicle brake-holder block |
| CN106279831A (en) * | 2016-08-25 | 2017-01-04 | 昆明云垦橡胶有限公司 | A kind of nanometer height heat conductive rubber and preparation method thereof |
| CN106279831B (en) * | 2016-08-25 | 2018-03-13 | 昆明云垦橡胶有限公司 | A kind of nanometer high heat conduction rubber and preparation method thereof |
| CN106397879A (en) * | 2016-08-31 | 2017-02-15 | 昆明云垦橡胶有限公司 | Preparation method of sound-absorbing rubber |
| CN106397879B (en) * | 2016-08-31 | 2018-03-16 | 昆明云垦橡胶有限公司 | A kind of preparation method of sound absorbing rubber |
| CN106402217A (en) * | 2016-11-13 | 2017-02-15 | 徐州乐泰机电科技有限公司 | Nanoscale compound wear-resisting brake pad |
| CN106402217B (en) * | 2016-11-13 | 2019-01-29 | 高邮市顺达动力机电有限公司 | A kind of preparation method of nanoscale complex abrasion-proof brake block |
| CN106594134A (en) * | 2017-01-11 | 2017-04-26 | 宁国飞鹰汽车零部件股份有限公司 | Friction plate of high-temperature-resistant automobile clutch driven plate, and production method thereof |
| CN107740828A (en) * | 2017-09-27 | 2018-02-27 | 武汉元丰摩擦材料有限公司 | A kind of high-temperature resistant friction material and preparation method thereof |
| CN108662050A (en) * | 2018-03-26 | 2018-10-16 | 武汉理工大学 | Carbon fiber brake block material with porous structure and preparation method thereof |
| CN108662050B (en) * | 2018-03-26 | 2019-06-28 | 武汉理工大学 | Carbon fiber brake block material with porous structure and preparation method thereof |
| CN108506388A (en) * | 2018-05-02 | 2018-09-07 | 中南大学 | A kind of low noise high metal army Vehicular friction plate and preparation method thereof |
| CN109099092A (en) * | 2018-09-17 | 2018-12-28 | 安徽博耐克摩擦材料有限公司 | A kind of high abrasion-proof brake block and preparation method thereof |
| CN112431877A (en) * | 2020-10-21 | 2021-03-02 | 安徽奥普汽车制动***有限公司 | Preparation method of M-2 type friction plate abrasion acoustic alarm |
| CN113294465A (en) * | 2021-06-07 | 2021-08-24 | 福州大学 | Coconut fiber brake pad and preparation method thereof |
| CN114151479A (en) * | 2021-11-22 | 2022-03-08 | 广州安科达汽车制动***有限公司 | Magnetic rare earth friction material with friction coefficient and temperature changing in same direction and preparation method thereof |
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Application publication date: 20110126 |