CN112662128A - High-strength low-noise friction material - Google Patents
High-strength low-noise friction material Download PDFInfo
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- CN112662128A CN112662128A CN202011442678.7A CN202011442678A CN112662128A CN 112662128 A CN112662128 A CN 112662128A CN 202011442678 A CN202011442678 A CN 202011442678A CN 112662128 A CN112662128 A CN 112662128A
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- 239000002783 friction material Substances 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 105
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 77
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 26
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 26
- 239000003822 epoxy resin Substances 0.000 claims abstract description 25
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 25
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004917 carbon fiber Substances 0.000 claims abstract description 15
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims abstract description 15
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 15
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 11
- 239000010439 graphite Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000003960 organic solvent Substances 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 230000032683 aging Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000012778 molding material Substances 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 239000002109 single walled nanotube Substances 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- ZLMJMSJWJFRBEC-OUBTZVSYSA-N potassium-40 Chemical group [40K] ZLMJMSJWJFRBEC-OUBTZVSYSA-N 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a high-strength low-noise friction material which comprises the following components in percentage by weight: 30-70 parts of epoxy resin raw material particles, 15-20 parts of carbon fibers, 10-30 parts of coke powder, 1-5 parts of silicon carbide, 15-30 parts of aluminum powder, 8-20 parts of activated carbon, 5-10 parts of flake graphite, 5-10 parts of potassium titanate and 20-40 parts of carbon nano tubes. The invention improves the compressive strength of the epoxy resin and improves the service performance of the material by modifying the epoxy resin, and the carbon nano tubes with specific proportioning components are added in the processing process of the material to be fully fused with the material, so that the material has good strength, elasticity, fatigue resistance and lower wear rate, simultaneously, the heat resistance of the material is greatly improved, the material can still keep good friction resistance after friction heating, and the noise generated by the product during friction can be greatly reduced by utilizing the characteristics of the carbon nano tubes.
Description
Technical Field
The invention relates to the technical field of friction materials, in particular to a high-strength low-noise friction material.
Background
The friction material is a material used in power machinery to perform braking and transmission functions by means of friction action, and mainly includes brake lining (brake pad) and clutch lining (clutch plate), the brake pad is used for braking, the clutch plate is used for transmission, any mechanical equipment and various moving vehicles must have braking or transmission device, the friction material is the key component of the braking or transmission device, its main function is to absorb or transmit power by friction, such as the clutch plate transmits power, the brake pad absorbs kinetic energy, they can make the mechanical equipment and various motor vehicles work safely and reliably, so the friction material is a widely used and very critical material, and the existing friction material has poor strength and heat resistance, and the material itself is heated under the action of friction heat, resulting in the degradation of its own performance, and because the friction material is compounded with more other materials, the noise is generated in actual use, and certain limitation is realized.
Disclosure of Invention
The invention aims to provide a high-strength low-noise friction material to solve the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme: a high-strength low-noise friction material comprises the following components in percentage by weight: 30-70 parts of epoxy resin raw material particles, 15-20 parts of carbon fibers, 10-30 parts of coke powder, 1-5 parts of silicon carbide, 15-30 parts of aluminum powder, 8-20 parts of activated carbon, 5-10 parts of flake graphite, 5-10 parts of potassium titanate and 20-40 parts of carbon nano tubes.
A manufacturing method of a high-strength low-noise friction material comprises the following steps:
firstly, putting raw epoxy resin particles into a mixing machine in advance, setting the temperature at 40-60 ℃, continuously stirring for 10-20min, then adding carbon fibers, silicon carbide, aluminum powder, potassium titanate, coke powder and active carbon into the mixing machine, and continuously stirring for 20-30 min;
discharging the mixed material of the mixing roll, putting the material into a reaction kettle, putting an organic solvent into the reaction kettle, completely soaking the mixed material into the organic solvent, starting a stirrer to mix the material, after 10-12 hours, putting the flake graphite and the carbon nano tube into the reaction kettle again, and after continuing to stir for 8-10 hours, fully reacting and fusing the material and the organic solvent to form a sticky material;
step three, putting the sticky material obtained in the step two into a heating furnace, setting the heating temperature at 90-120 ℃, keeping the temperature for 1-2 hours, taking out the material, and continuously stirring the material in the heating process to avoid cooling and forming the material;
step four, introducing the material into a corresponding material forming injection mold, heating the material to 180 ℃, carrying out rapid high-pressure injection molding and curing, taking out the material after curing, standing for a period of time, and carrying out aging treatment;
and step five, putting the aged molding material into a heating furnace for heating, setting the temperature at 120 ℃, keeping the temperature for 20-30min, closing the heating furnace, cooling the furnace to normal temperature, taking out the product, and packaging and warehousing after the product is qualified.
Preferably, the carbon nanotubes are single-walled carbon nanotubes.
Preferably, the organic solvent used in the second step is one of ethanol solution and acetone solution.
Preferably, the external pressure during the injection molding processing in the fourth step is 12-18MPa, and the curing time is 30 min.
Preferably, the aging treatment in the fifth step is at least 10 hours.
In the technical scheme, the invention provides the following technical effects and advantages:
according to the invention, materials such as carbon fiber, silicon carbide, aluminum powder, potassium titanate, coke powder and activated carbon are added and are configured according to a reasonable proportion, the epoxy resin is modified, the compressive strength of the epoxy resin is improved, the brittleness of the epoxy resin after processing and curing is reduced, and the service performance of the material is improved.
Detailed Description
The present invention will be described in further detail below in order to enable those skilled in the art to better understand the technical solution of the present invention.
Example 1
A high-strength low-noise friction material comprises the following components in percentage by weight: 60 parts of epoxy resin raw material particles, 15 parts of carbon fibers, 15 parts of coke powder, 3 parts of silicon carbide, 18 parts of aluminum powder, 12 parts of activated carbon, 6 parts of crystalline flake graphite, 8 parts of potassium titanate and 30 parts of carbon nano tubes.
A manufacturing method of a high-strength low-noise friction material comprises the following steps:
firstly, putting raw epoxy resin particles into a mixing machine in advance, setting the temperature at 40-60 ℃, continuously stirring for 10-20min, then adding carbon fibers, silicon carbide, aluminum powder, potassium titanate, coke powder and active carbon into the mixing machine, and continuously stirring for 20-30 min;
discharging the mixed material of the mixing roll, putting the material into a reaction kettle, putting an organic solvent into the reaction kettle, completely soaking the mixed material into the organic solvent, starting a stirrer to mix the material, after 10-12 hours, putting the flake graphite and the carbon nano tube into the reaction kettle again, and after continuing to stir for 8-10 hours, fully reacting and fusing the material and the organic solvent to form a sticky material;
step three, putting the sticky material obtained in the step two into a heating furnace, setting the heating temperature at 90-120 ℃, keeping the temperature for 1-2 hours, taking out the material, and continuously stirring the material in the heating process to avoid cooling and forming the material;
step four, introducing the material into a corresponding material forming injection mold, heating the material to 180 ℃, carrying out rapid high-pressure injection molding and curing, taking out the material after curing, standing for a period of time, and carrying out aging treatment;
and step five, putting the aged molding material into a heating furnace for heating, setting the temperature at 120 ℃, keeping the temperature for 20-30min, closing the heating furnace, cooling the furnace to normal temperature, taking out the product, and packaging and warehousing after the product is qualified.
Further, in the above technical solution, the carbon nanotube is a single-walled carbon nanotube.
Further, in the above technical solution, the organic solvent used in the second step is one of an ethanol solution and an acetone solution.
Further, in the above technical scheme, the external pressure during the injection molding processing in the fourth step is 12-18MPa, and the curing time is 30 min.
Further, in the above technical solution, the aging treatment in the fifth step is at least 10 hours
In the embodiment, the epoxy resin is modified by adding materials such as carbon fiber, silicon carbide, aluminum powder, potassium titanate, coke powder, activated carbon and the like, so that the compressive strength of the epoxy resin is improved, the brittleness of the epoxy resin after processing and curing is reduced, and the use performance of the material is improved, and the carbon nano tubes with specific proportioning components are added in the material processing process to be fully fused with the material, so that the carbon nano tubes have good mechanical properties, higher tensile strength and lower density, and therefore, the material can have good strength, elasticity and fatigue resistance by adding the carbon nano tube material, so that the molded and cured product can have higher strength and lower product abrasion rate, and meanwhile, the carbon nano tubes have good heat transfer performance and higher melting point, so that the material of the invention greatly improves the heat resistance, the friction resistance of the material can be kept well after friction heating, and meanwhile, the noise generated by the product during friction can be greatly reduced by utilizing the characteristics of the carbon nano tube, so that the material and the product have higher competition.
Example 2
A high-strength low-noise friction material comprises the following components in percentage by weight: 50 parts of epoxy resin raw material particles, 20 parts of carbon fibers, 20 parts of coke powder, 3 parts of silicon carbide, 18 parts of aluminum powder, 12 parts of activated carbon, 6 parts of crystalline flake graphite, 8 parts of potassium titanate and 40 parts of carbon nano tubes.
A manufacturing method of a high-strength low-noise friction material comprises the following steps:
firstly, putting raw epoxy resin particles into a mixing machine in advance, setting the temperature at 40-60 ℃, continuously stirring for 10-20min, then adding carbon fibers, silicon carbide, aluminum powder, potassium titanate, coke powder and active carbon into the mixing machine, and continuously stirring for 20-30 min;
discharging the mixed material of the mixing roll, putting the material into a reaction kettle, putting an organic solvent into the reaction kettle, completely soaking the mixed material into the organic solvent, starting a stirrer to mix the material, after 10-12 hours, putting the flake graphite and the carbon nano tube into the reaction kettle again, and after continuing to stir for 8-10 hours, fully reacting and fusing the material and the organic solvent to form a sticky material;
step three, putting the sticky material obtained in the step two into a heating furnace, setting the heating temperature at 90-120 ℃, keeping the temperature for 1-2 hours, taking out the material, and continuously stirring the material in the heating process to avoid cooling and forming the material;
step four, introducing the material into a corresponding material forming injection mold, heating the material to 180 ℃, carrying out rapid high-pressure injection molding and curing, taking out the material after curing, standing for a period of time, and carrying out aging treatment;
and step five, putting the aged molding material into a heating furnace for heating, setting the temperature at 120 ℃, keeping the temperature for 20-30min, closing the heating furnace, cooling the furnace to normal temperature, taking out the product, and packaging and warehousing after the product is qualified.
Further, in the above technical solution, the carbon nanotube is a single-walled carbon nanotube.
Further, in the above technical solution, the organic solvent used in the second step is one of an ethanol solution and an acetone solution.
Further, in the above technical scheme, the external pressure during the injection molding processing in the fourth step is 12-18MPa, and the curing time is 30 min.
Further, in the above technical solution, the aging treatment in the fifth step is at least 10 hours
In this embodiment, compared with example 1, materials such as carbon fiber, silicon carbide, aluminum powder, potassium titanate, coke powder, activated carbon, etc. are added and configured according to a reasonable ratio to modify the epoxy resin, so as to improve the compressive strength of the epoxy resin, reduce the brittleness of the epoxy resin after processing and curing, and improve the service performance of the material.
Example 3
A high-strength low-noise friction material comprises the following components in percentage by weight: 60 parts of epoxy resin raw material particles, 20 parts of carbon fibers, 20 parts of coke powder, 5 parts of silicon carbide, 25 parts of aluminum powder, 10 parts of activated carbon, 5 parts of crystalline flake graphite, 8 parts of potassium titanate and 25 parts of carbon nano tubes.
A manufacturing method of a high-strength low-noise friction material comprises the following steps:
firstly, putting raw epoxy resin particles into a mixing machine in advance, setting the temperature at 40-60 ℃, continuously stirring for 10-20min, then adding carbon fibers, silicon carbide, aluminum powder, potassium titanate, coke powder and active carbon into the mixing machine, and continuously stirring for 20-30 min;
discharging the mixed material of the mixing roll, putting the material into a reaction kettle, putting an organic solvent into the reaction kettle, completely soaking the mixed material into the organic solvent, starting a stirrer to mix the material, after 10-12 hours, putting the flake graphite and the carbon nano tube into the reaction kettle again, and after continuing to stir for 8-10 hours, fully reacting and fusing the material and the organic solvent to form a sticky material;
step three, putting the sticky material obtained in the step two into a heating furnace, setting the heating temperature at 90-120 ℃, keeping the temperature for 1-2 hours, taking out the material, and continuously stirring the material in the heating process to avoid cooling and forming the material;
step four, introducing the material into a corresponding material forming injection mold, heating the material to 180 ℃, carrying out rapid high-pressure injection molding and curing, taking out the material after curing, standing for a period of time, and carrying out aging treatment;
and step five, putting the aged molding material into a heating furnace for heating, setting the temperature at 120 ℃, keeping the temperature for 20-30min, closing the heating furnace, cooling the furnace to normal temperature, taking out the product, and packaging and warehousing after the product is qualified.
Further, in the above technical solution, the carbon nanotube is a single-walled carbon nanotube.
Further, in the above technical solution, the organic solvent used in the second step is one of an ethanol solution and an acetone solution.
Further, in the above technical scheme, the external pressure during the injection molding processing in the fourth step is 12-18MPa, and the curing time is 30 min.
Further, in the above technical solution, the aging treatment in the fifth step is at least 10 hours
In this embodiment, compared with example 1, materials such as carbon fiber, silicon carbide, aluminum powder, potassium titanate, coke powder, and activated carbon are added and configured according to a reasonable ratio to modify epoxy resin, so as to improve the usability of the material, and during the processing of the material, carbon nanotubes with a specific ratio are added, so that the molded and cured product can have strong heat resistance and good toughness, but the material has low strength and poor friction resistance.
By comprehensive comparison, it can be found that the proportion of each material in example 1 is optimal, the obtained product is more excellent, the compressive strength of the epoxy resin is improved, the brittleness of the epoxy resin after processing and curing is reduced, and the service performance of the material is improved by adding the carbon nanotubes with specific proportion components in the material processing process, so that the material is fully fused with the material, the material has good strength, elasticity and fatigue resistance, and the formed and cured product can have higher strength and lower wear rate, and simultaneously, the heat resistance of the material is greatly improved, the material can still maintain good friction resistance after friction heating is ensured, and the characteristics of the carbon nanotubes are utilized, the noise generated by the product during friction can be greatly reduced.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the foregoing description is illustrative in nature and is not to be construed as limiting the scope of the invention as claimed.
Claims (6)
1. A high-strength low-noise friction material is characterized by comprising the following components in percentage by weight: 30-70 parts of epoxy resin raw material particles, 15-20 parts of carbon fibers, 10-30 parts of coke powder, 1-5 parts of silicon carbide, 15-30 parts of aluminum powder, 8-20 parts of activated carbon, 5-10 parts of flake graphite, 5-10 parts of potassium titanate and 20-40 parts of carbon nano tubes.
2. A method of making a high strength, low noise friction material as defined in claim 1 comprising the steps of:
firstly, putting raw epoxy resin particles into a mixing machine in advance, setting the temperature at 40-60 ℃, continuously stirring for 10-20min, then adding carbon fibers, silicon carbide, aluminum powder, potassium titanate, coke powder and active carbon into the mixing machine, and continuously stirring for 20-30 min;
discharging the mixed material of the mixing roll, putting the material into a reaction kettle, putting an organic solvent into the reaction kettle, completely soaking the mixed material into the organic solvent, starting a stirrer to mix the material, after 10-12 hours, putting the flake graphite and the carbon nano tube into the reaction kettle again, and after continuing to stir for 8-10 hours, fully reacting and fusing the material and the organic solvent to form a sticky material;
step three, putting the sticky material obtained in the step two into a heating furnace, setting the heating temperature at 90-120 ℃, keeping the temperature for 1-2 hours, taking out the material, and continuously stirring the material in the heating process to avoid cooling and forming the material;
step four, introducing the material into a corresponding material forming injection mold, heating the material to 180 ℃, carrying out rapid high-pressure injection molding and curing, taking out the material after curing, standing for a period of time, and carrying out aging treatment;
and step five, putting the aged molding material into a heating furnace for heating, setting the temperature at 120 ℃, keeping the temperature for 20-30min, closing the heating furnace, cooling the furnace to normal temperature, taking out the product, and packaging and warehousing after the product is qualified.
3. A method of making a high strength, low noise friction material as defined in claim 2, wherein: the carbon nano tube is a single-walled carbon nano tube.
4. A method of making a high strength, low noise friction material as defined in claim 2, wherein: and the organic solvent used in the second step is one of ethanol solution or acetone solution.
5. A method of making a high strength, low noise friction material as defined in claim 2, wherein: in the fourth step, the external pressure is 12-18MPa during injection molding and processing, and the curing time is 30 min.
6. A method of making a high strength, low noise friction material as defined in claim 2, wherein: and the aging treatment in the fifth step is at least 10 h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011442678.7A CN112662128A (en) | 2020-12-11 | 2020-12-11 | High-strength low-noise friction material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011442678.7A CN112662128A (en) | 2020-12-11 | 2020-12-11 | High-strength low-noise friction material |
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| CN112662128A true CN112662128A (en) | 2021-04-16 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924872A (en) * | 2012-09-07 | 2013-02-13 | 天津工业大学 | Modified inorganic nanoparticle/epoxy resin composite material with higher friction and wear properties and preparation method thereof |
| CN102994041A (en) * | 2012-10-18 | 2013-03-27 | 殷国忠 | Friction material |
| CN105465253A (en) * | 2015-12-23 | 2016-04-06 | 佛山早稻田科技服务有限公司 | Friction material |
| CN106117965A (en) * | 2016-06-29 | 2016-11-16 | 芜湖德业摩擦材料有限公司 | A kind of high temperature resistant brake |
| CN107502290A (en) * | 2017-08-02 | 2017-12-22 | 杭州西湖摩擦材料有限公司 | A kind of brake block with decrease of noise functions and preparation method thereof |
| CN108443379A (en) * | 2018-06-21 | 2018-08-24 | 湖州知维技术服务有限公司 | A kind of friction material |
| CN109749093A (en) * | 2018-12-17 | 2019-05-14 | 长沙理工大学 | Forming method for improving surface wear resistance of epoxy resin material |
| CN109780102A (en) * | 2018-12-30 | 2019-05-21 | 镇江创智特种合金科技发展有限公司 | A kind of preparation method of motorbus graphene modified aluminas fibre reinforced composites brake block |
-
2020
- 2020-12-11 CN CN202011442678.7A patent/CN112662128A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924872A (en) * | 2012-09-07 | 2013-02-13 | 天津工业大学 | Modified inorganic nanoparticle/epoxy resin composite material with higher friction and wear properties and preparation method thereof |
| CN102994041A (en) * | 2012-10-18 | 2013-03-27 | 殷国忠 | Friction material |
| CN105465253A (en) * | 2015-12-23 | 2016-04-06 | 佛山早稻田科技服务有限公司 | Friction material |
| CN106117965A (en) * | 2016-06-29 | 2016-11-16 | 芜湖德业摩擦材料有限公司 | A kind of high temperature resistant brake |
| CN107502290A (en) * | 2017-08-02 | 2017-12-22 | 杭州西湖摩擦材料有限公司 | A kind of brake block with decrease of noise functions and preparation method thereof |
| CN108443379A (en) * | 2018-06-21 | 2018-08-24 | 湖州知维技术服务有限公司 | A kind of friction material |
| CN109749093A (en) * | 2018-12-17 | 2019-05-14 | 长沙理工大学 | Forming method for improving surface wear resistance of epoxy resin material |
| CN109780102A (en) * | 2018-12-30 | 2019-05-21 | 镇江创智特种合金科技发展有限公司 | A kind of preparation method of motorbus graphene modified aluminas fibre reinforced composites brake block |
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