CN104164211A - Environment-friendly type ceramic-based friction material - Google Patents
Environment-friendly type ceramic-based friction material Download PDFInfo
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- CN104164211A CN104164211A CN201410365631.3A CN201410365631A CN104164211A CN 104164211 A CN104164211 A CN 104164211A CN 201410365631 A CN201410365631 A CN 201410365631A CN 104164211 A CN104164211 A CN 104164211A
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Abstract
The invention discloses an environment-friendly type ceramic-based friction material, and is characterized in that the ceramic-based friction material includes the following materials in parts by weight: 16-31 parts of cashew nut shell oil modified phenolic resin, 3-18 parts of carbon fiber, 12-30 parts of organosilicon modified phenolic resin, 25-60 parts of graphite, 3-9 parts of molybdenum disulfide, 11-14 parts of a talc powder, 3-9 parts of mica, 5-18 parts of zircon, 35-60 parts of ceramic fiber, 20-60 parts of butadiene-acrylonitrile rubber, 10-20 parts of a scallop shell powder, 3.5-7 parts of a zeolite powder, 1.5-3.9 parts of zinc sulfide, 1-5 parts of hornblende, 5-11 parts of borax, 3-6 parts of titanium oxide, 0-2 parts of quartz sand, 4-8 parts of a boride, 6-18 parts of silicon nitride, and 1-5 parts of titanium carbide. The ceramic-based friction material has the beneficial effects that the ceramic-based friction material has excellent heat-conducting property, ensures the stability of the friction material, improves heat fading resistance of the friction material, provides good and stable braking force output, and has longer service life and comfort.
Description
Technical field
The present invention relates to a kind of environment-friendly ceramic base frication material.
Background technology
The world today is along with scientific-technical progress, and more new technology is applied to automobile manufacturing field, also makes automobile towards the high future development that carries of high speed; People have also proposed extra high requirement to comfortableness simultaneously.The raising that braking technology is required is not only also to show guarantee secure context.Friction materials product should also should meet low noise on the basis that meets brake request, and the high life, low dust, does not attack the requirements such as antithesis.
Along with the enhancing of every country environmental protection consciousness, increasing to the dynamics of environment protection, the numerous and confused laws and regulations requirement of releasing separately, proposes restriction to the composition of friction materials.If European REACH regulation is to lead and compound thereof, sexavalence chromium and compound, cadmium and compound thereof, heavy metals such as mercury and mercuric compounds and proposed restriction requirement; In view of the copper in friction materials is the important sources of copper staining in environment, California, USA has proposed to limit the use of requirement by regulation to copper, and in friction materialss in 2021, copper content need to be lower than copper content in 5%, 2025 year friction materials lower than 0.5%.Friction materials is meeting on the basis of performance and comfortableness, also will meet the more and more sternly environmental legislation requirement of power that every country proposes simultaneously.
This just proposes harsher requirement to brake material, under some operating mode, when Disk Brake, transient temperature can reach 200 400 degrees Celsius, frequently braking under high-speed motion pattern, temperature is up to more than 600 degrees Celsius, how can make in the gap of stopping stopping, the heat Quick diffusing gathering to be gone out, and this just needs friction materials to have higher thermal conductivity, meanwhile material also needs good friction and wear behavior, could improve like this work-ing life of brake material.
The powder that copper and alloy material brass thereof and bronze are made or fiber become a kind of additive of friction materials of routine.Be mainly to utilize copper material matter soft, have self-lubricating property, also have good thermal conductivity simultaneously, thermal conductivity is high, is beneficial to fricative heat and leaves rapidly, and be conducive to form friction transfer face, and copper fiber has reinforced effects simultaneously.But it is the same with asbestos, add component as friction materials, although there is excellent performance, also because the requirement of new environmental regulation will step down from the stage of history.
Make a general survey of friction materials and use course, passenger car brake material Materials has experienced semi-metal, low metal, the course of ceramic-based friction material.The features such as semi-metal formula has good thermal conductivity and resistance to high loading, and intensity is high, and cost is low, technology maturation are widely used.But also exist hardness high, easily attack antithesis, easily produce noise, easily corrosion, the problem such as speed sensitivity is poor.Low metal formulations frictional behaviour is high, and brake response is sensitive, has good compressibility, and because metal content is low compared with semi-metal, hardness is lower, is difficult for attacking antithesis.But also exist wearing and tearing large, the defects such as the serious and noise of powder falling.Ceramic-based friction material is high temperature resistant, heat fading good, wear resisting property is excellent, have better noise and vibration performance, is applicable to very much the brake request of high-performance passenger car.But existing ceramic base brake facing performance is stable not, a lot of brake facings are in the time of high temperature, and its frictional behaviour easily fails, easily occurs locking or the phenomenon of dawdling.Because component collocation is unreasonable, there is damascene phenomenon simultaneously.Sometimes even occur that friction materials expands, the serious quality problems such as friction surface crackle; Due to the restriction that copper is used, traditional cupric friction materials can not meet new environmental requirement unexpectedly simultaneously.
Therefore be badly in need of exploitation a kind of without copper, without metal environmental protection, possess cellular structure raw material, under various extreme operating condition conditions, still have stable frictional behaviour, driver comfort is good, brake noise is little, wear resisting property is good, to the friction pair little ceramic-based friction material that weares and teares.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of environment-friendly ceramic base frication material.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of environment-friendly ceramic base frication material, it is characterized in that, comprise the material of following parts by weight: cashew nut oil modified alkyd resin 16-31 part, carbon fiber 3-18 part, Effect of Organosilicon-modified Phenol-formaldehyde Resin 12-30 part, graphite 25-60 part, molybdenumdisulphide 3-9 part, talcum powder 11-14 part, mica 3-9 part, zircon 5-18 part, ceramic fiber 35-60 part, paracril 20-60 part, scallop shell powder 10-20 part, zeolite powder 3.5-7 part, zinc sulphide 1.5-3.9 part, hornblende 1-5 part, borax 5-11 part, titanium oxide 3-6 part, quartz sand 0-2 part, boride 4-8 part, silicon nitride 6-18 part, titanium carbide 1-5 part.
The invention has the beneficial effects as follows:
1, the present invention has excellent heat conductivility, ensure that friction materials is at high temperature, under high loading operating mode, friction materials is stable, improve the heat resistanceheat resistant decline performance of friction materials, under various operating modes, particularly at a high speed, high temperature, good stable damping force output is provided in high loading situation, possesses compared with long life and comfortableness.
2, without copper without metal environment under, metallic sulfide mixture carries out modification to mineral fibre, and fricative heat can radially be conducted according to fiber, reaches good radiating effect.Both is collaborative, still can keep making friction materials keep good frictional behaviour, and the effect of copper in the ceramic mould brake facing that contains copper has effectively been supplied in both existence.
3, friction materials of the present invention, because the synergistic effect of the interpolation of metallic sulfide and concentrated metallic sulfide makes more easily to produce transfer film in friction process, has stablized frictional coefficient, has reduced abrasion loss, has improved the thermotolerance of brake facing simultaneously.
Embodiment
Embodiment 1
A kind of environment-friendly ceramic base frication material, comprises the material of following parts by weight: 25 parts of cashew nut oil modified alkyd resins, 11 parts, carbon fiber, 20 parts of Effect of Organosilicon-modified Phenol-formaldehyde Resins, 40 parts, graphite, 5 parts of molybdenumdisulphide, 12 parts of talcum powder, 9 parts, mica, 8 parts of zircons, 45 parts of ceramic fibers, 50 parts of paracrils, 15 parts, scallop shell powder, 4 parts of zeolite powders, 3 parts, zinc sulphide, 4 parts of hornblendes, 7 parts of boraxs, 4 parts of titanium oxide, 1 part of quartz sand, 7 parts of borides, 12 parts of silicon nitrides, 4 parts of titanium carbides.
Claims (1)
1. an environment-friendly ceramic base frication material, it is characterized in that, comprise the material of following parts by weight: cashew nut oil modified alkyd resin 16-31 part, carbon fiber 3-18 part, Effect of Organosilicon-modified Phenol-formaldehyde Resin 12-30 part, graphite 25-60 part, molybdenumdisulphide 3-9 part, talcum powder 11-14 part, mica 3-9 part, zircon 5-18 part, ceramic fiber 35-60 part, paracril 20-60 part, scallop shell powder 10-20 part, zeolite powder 3.5-7 part, zinc sulphide 1.5-3.9 part, hornblende 1-5 part, borax 5-11 part, titanium oxide 3-6 part, quartz sand 0-2 part, boride 4-8 part, silicon nitride 6-18 part, titanium carbide 1-5 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410365631.3A CN104164211A (en) | 2014-07-30 | 2014-07-30 | Environment-friendly type ceramic-based friction material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410365631.3A CN104164211A (en) | 2014-07-30 | 2014-07-30 | Environment-friendly type ceramic-based friction material |
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| CN104164211A true CN104164211A (en) | 2014-11-26 |
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| CN201410365631.3A Withdrawn CN104164211A (en) | 2014-07-30 | 2014-07-30 | Environment-friendly type ceramic-based friction material |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240424A (en) * | 2015-11-23 | 2016-01-13 | 吴泽忠 | Emergent brake device for vehicle |
| CN105949707A (en) * | 2016-06-03 | 2016-09-21 | 宁国飞鹰汽车零部件股份有限公司 | Combined type brake pad |
| CN106009495A (en) * | 2016-06-03 | 2016-10-12 | 宁国飞鹰汽车零部件股份有限公司 | Brake pad made of composite material |
| CN106084631A (en) * | 2016-06-03 | 2016-11-09 | 宁国飞鹰汽车零部件股份有限公司 | A kind of high temperature resistant heavy-duty car brake block |
| US20170130793A1 (en) * | 2015-11-06 | 2017-05-11 | Schaeffler Technologies AG & Co. KG | Wet friction materials including cristobalite as filler material |
| CN109058336A (en) * | 2018-09-27 | 2018-12-21 | 烟台孚瑞克森汽车部件有限公司 | A kind of no copper stibium-free environment-friendly ceramic frication material and preparation method thereof |
| CN109749708A (en) * | 2018-12-26 | 2019-05-14 | 深圳市欧科力科技有限公司 | A kind of preparation method of metal friction composite material |
| CN112984013A (en) * | 2021-02-28 | 2021-06-18 | 河北天拓刹车片有限公司 | Formula and preparation process of brake pad |
-
2014
- 2014-07-30 CN CN201410365631.3A patent/CN104164211A/en not_active Withdrawn
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170130793A1 (en) * | 2015-11-06 | 2017-05-11 | Schaeffler Technologies AG & Co. KG | Wet friction materials including cristobalite as filler material |
| US9771994B2 (en) * | 2015-11-06 | 2017-09-26 | Schaeffler Technologies AG & Co. KG | Wet friction materials including cristobalite as filler material |
| CN108350966A (en) * | 2015-11-06 | 2018-07-31 | 舍弗勒技术股份两合公司 | Include wet friction material of the cristobalite as filler material |
| CN108350966B (en) * | 2015-11-06 | 2020-06-16 | 舍弗勒技术股份两合公司 | Wet friction material comprising cristobalite as filler material |
| CN105240424A (en) * | 2015-11-23 | 2016-01-13 | 吴泽忠 | Emergent brake device for vehicle |
| CN105949707A (en) * | 2016-06-03 | 2016-09-21 | 宁国飞鹰汽车零部件股份有限公司 | Combined type brake pad |
| CN106009495A (en) * | 2016-06-03 | 2016-10-12 | 宁国飞鹰汽车零部件股份有限公司 | Brake pad made of composite material |
| CN106084631A (en) * | 2016-06-03 | 2016-11-09 | 宁国飞鹰汽车零部件股份有限公司 | A kind of high temperature resistant heavy-duty car brake block |
| CN109058336A (en) * | 2018-09-27 | 2018-12-21 | 烟台孚瑞克森汽车部件有限公司 | A kind of no copper stibium-free environment-friendly ceramic frication material and preparation method thereof |
| CN109749708A (en) * | 2018-12-26 | 2019-05-14 | 深圳市欧科力科技有限公司 | A kind of preparation method of metal friction composite material |
| CN112984013A (en) * | 2021-02-28 | 2021-06-18 | 河北天拓刹车片有限公司 | Formula and preparation process of brake pad |
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Application publication date: 20141126 |