CN102277133A - High temperature-resistant composite ceramic friction material - Google Patents
High temperature-resistant composite ceramic friction material Download PDFInfo
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- CN102277133A CN102277133A CN2011102156612A CN201110215661A CN102277133A CN 102277133 A CN102277133 A CN 102277133A CN 2011102156612 A CN2011102156612 A CN 2011102156612A CN 201110215661 A CN201110215661 A CN 201110215661A CN 102277133 A CN102277133 A CN 102277133A
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Abstract
The invention relates to a high temperature-resistant composite ceramic friction material which comprises the following components by weight: 17-25% of binders, 47-63% of reinforcing materials, 10-15% of fillers, and 10-16% of friction performance modifiers; the binder comprises 8-10% of benzoxazine resin, 3-5% of phenolic resin, 3-5% of epoxy resin, and 3-5% of tung oil based on the total weight of the friction material. The friction material has the advantages of high temperature-resistance, low wear, low braking noise, and stable friction coefficient.
Description
Technical field
The present invention relates to a kind of friction materials, relate in particular to a kind of resistant to elevated temperatures composite ceramic mould friction materials.
Background technology
Along with the development of automotive industry and communications and transportation, to ensure driving safety vitals---the requirement of brake friction material progressively improves.Traditional asbestos-based friction material is owing to exist the Health hazard to human body to be replaced (K.W.Hee, P.Filip, Wear 259 (7-12) (2005) 1088-1096 by semi-metal and non-asbestos organic (NAO) friction materials gradually; B.Suresha, G.Chandramohan, P.Samapthkumaran, S.Seetharamu, S.Vynatheya, J.Reinf.Plast.Compos.25 (7) (2006) 771-782).Common semimetal friction material exist easily get rusty, defective such as brake noise and damage antithesis and can not widespread use, and common NAO friction materials temperature tolerance is crossed the low range of application that influenced.Therefore, high temperature tolerance ceramic mould friction materials becomes the research focus in automotive friction material field (Y.Q.Wu, M.Zeng, L.Yu, L.R.Fan, J.Reinf.Plast.Compos.29 (18) (2010) 2732-2743) in recent years gradually.The ceramic mould friction materials belongs to an important branch of NAO friction materials development, except that possessing the environmental protection of common NAO friction materials, braking the comfortable characteristics, aspect thermotolerance and the high temperature friction stability raising is being arranged all.
In order to satisfy the requirement of over-all properties, the prescription of ceramic mould friction materials generally is made up of multiple starting material, is divided into caking agent, strongthener, common fillers and frictional property regulator etc. by function.Wherein caking agent provides bonding force necessary between the various components; Frictional property regulator comprises that various increasing rubs and lubricated class material, is used to make frictional behaviour to reach ideal value and also keeps stable; The friction materials enhancement component provides the physical strength of material indispensability and basic frictional behaviour.Though more research is arranged on the prescription of ceramic mould friction materials in recent years, the resol that gets for phenol and formaldehyde condensation polymer substantially owing to caking agent that friction materials adopted, and reason such as the strongthener kind is more single, limited to the lifting of its performance.Current, because the raising of the traffic speed of a motor vehicle is had higher requirement for the thermotolerance of friction materials.Therefore, the resistance toheat of raising ceramic mould friction materials also becomes urgent problem.
Summary of the invention
The resistant to elevated temperatures composite ceramic mould friction materials that the purpose of this invention is to provide a kind of low wearing and tearing, low brake noise, stable friction factor.
In order to realize purpose of the present invention, the technical solution used in the present invention is:
A kind of resistant to elevated temperatures composite ceramic mould friction materials, this friction materials is made up of the binding agent of 17-25%, the strongthener of 47-63%, the filler of 10-15% and the frictional property regulator of 10-16% by weight percentage, and described binding agent is made up of the benzoxazine colophony of the 8-10% that accounts for described friction materials gross weight, the resol of 3-5%, the Resins, epoxy of 3-5% and the tung oil of 3-5%.
In the such scheme, described strongthener is made up of the aramid fiber of the 1-2% that accounts for described friction materials gross weight, the carbon fiber of 2-4%, the ceramic fiber of 20-25%, the copper fiber of 6-8%, the magnesia crystal whisker of 8-10%, the calcium carbonate crystal whisker of 8-10% and the alumina whisker of 2-4%.
In the such scheme, described frictional property regulator is made up of the graphite of the 4-6% that accounts for described friction materials gross weight, the molybdenumdisulphide of 4-6% and the zircon sand of 2-4%.
In the such scheme, described filler is a barium sulfate.
The invention has the beneficial effects as follows:
1. the benzoxazine colophony that adopts among the present invention, resol, Resins, epoxy and tung oil are as binding agent, made full use of the resistance to elevated temperatures of benzoxazine, the toughness of the filler bonding properties of resol, Resins, epoxy and Resins, epoxy, tung oil, and can form the quaternary Co-crosslinked System of high temperature resistant and high tenacity between four kinds of compounds, can fundamentally improve common friction materials adopt single resin be the friction materials that cann't be solved of caking agent high temperature resistant, reduce the equilibrium problem between noise and the abrasion resistance properties three.
2. the present invention adopts aramid fiber, carbon fiber, ceramic fiber, copper fiber in conjunction with three kinds of common enhanced modes of magnesium oxide, lime carbonate, aluminum oxide inorganic crystal whisker that performance is different, not only can improve the hot strength of goods, and make the goods surface of friction possess good thermal conductivity, reduce the surface of friction working temperature, the thermal wear that prevents heat fading and friction high temperature from causing the material thermolysis and bring, and strongthener goes out optimum proportion through optimization of orthogonal test.
3. adopting graphite and molybdenumdisulphide is that lubricious component, zircon sand are that friction modifier is regulated frictional coefficient, can be adapted to the use of vehicles such as various visitors, goods, car.
Description of drawings
Fig. 1 is the friction surface pattern photo after the friction materials process rub(bing)test that makes in the embodiment of the invention 1.
Embodiment
Further the present invention will be described below in conjunction with drawings and Examples, but content of the present invention not only is confined to the following examples.
Embodiment 1
The high temperature resistant friction materials of a kind of compound enhancing ceramic mould, this friction materials is composed of the following components by weight percentage:
Above-mentioned raw materials by after the proportioning weighing, is stirred in the adding high speed mixer (3000 rev/mins).The material that mixes by after the needed finished product thickness weighing, places hot pressing die thermofixation moulding in 20 minutes under the pressure of 175 ± 5 ℃ and 10MPa.In 3 minutes thermofixation initial stages, per 30 second breathing a mould once, exit altogether 6 times, pressurize is afterwards solidified.Gained is solidified work in-process put into baking oven, through 180 ℃, behind 4 hours the after fixing, grinding, boring obtains final finished.
Press the GB5763-2008 test, wherein shock strength is 0.5J/cm
2, 200 ℃ of coefficient of thermal expansions are 0.7%, the room temperature rate of compression is that 0.6%, 200 ℃ of rate of compression is 1.5%.The friction and wear behavior test result sees Table 1, and this friction materials has good temperature tolerance as can be seen, and promptly frictional coefficient keeps stable under quite high temperature, and the wear rate under differing temps is far below national standard.In addition, as seen from Figure 1, smooth, no thermal crack of surface of friction and tangible thermolysis phenomenon.Therefore, it is little that product has heat fading, high temperature resistant, stable friction factor, and it is little to wear and tear, overall merits such as noiselessness.
Table 1 friction and wear behavior test result
Embodiment 2
The high temperature resistant friction materials of a kind of compound enhancing ceramic mould, this friction materials is composed of the following components by weight percentage:
Above-mentioned raw materials by after the proportioning weighing, is stirred in the adding high speed mixer (3000 rev/mins).The material that mixes by after the needed finished product thickness weighing, places hot pressing die thermofixation moulding in 20 minutes under the pressure of 175 ± 5 ℃ and 10MPa.In 3 minutes thermofixation initial stages, per 30 second breathing a mould once, exit altogether 6 times, pressurize is afterwards solidified.Gained is solidified work in-process put into baking oven, through 180 ℃, behind 4 hours the after fixing, grinding, boring obtains final finished.
Press the GB5763-2008 test, wherein shock strength is 4.8J/cm
2, 200 ℃ of coefficient of thermal expansions are 0.9%, the room temperature rate of compression is that 0.8%, 200 ℃ of rate of compression is 1.3%.The friction and wear behavior test result sees Table 2, and this friction materials has good temperature tolerance as can be seen, and promptly frictional coefficient keeps stable under quite high temperature, and the wear rate under differing temps is far below national standard.Therefore, it is little that product has heat fading, high temperature resistant, stable friction factor, and it is little to wear and tear, overall merits such as noiselessness.
Table 2 friction and wear behavior test result
Embodiment 3
The high temperature resistant friction materials of a kind of compound enhancing ceramic mould, this friction materials is composed of the following components by weight percentage:
Above-mentioned raw materials by after the proportioning weighing, is stirred in the adding high speed mixer (3000 rev/mins).The material that mixes by after the needed finished product thickness weighing, places hot pressing die thermofixation moulding in 20 minutes under the pressure of 175 ± 5 ℃ and 10MPa.In 3 minutes thermofixation initial stages, per 30 second breathing a mould once, exit altogether 6 times, pressurize is afterwards solidified.Gained is solidified work in-process put into baking oven, through 180 ℃, behind 4 hours the after fixing, grinding, boring obtains final finished.
Press the GB5763-2008 test, wherein shock strength is 4.9J/cm
2, 200 ℃ of coefficient of thermal expansions are 0.9%, the room temperature rate of compression is that 0.8%, 200 ℃ of rate of compression is 1.4%.The friction and wear behavior test result sees Table 3, and this friction materials has good temperature tolerance as can be seen, and promptly frictional coefficient keeps stable under quite high temperature, and the wear rate under differing temps is far below national standard.Therefore, it is little that product has heat fading, high temperature resistant, stable friction factor, and it is little to wear and tear, overall merits such as noiselessness.
Table 3 friction and wear behavior test result
Embodiment 4
The high temperature resistant friction materials of a kind of compound enhancing ceramic mould, this friction materials is composed of the following components by weight percentage:
Above-mentioned raw materials by after the proportioning weighing, is stirred in the adding high speed mixer (3000 rev/mins).The material that mixes by after the needed finished product thickness weighing, places hot pressing die thermofixation moulding in 20 minutes under the pressure of 175 ± 5 ℃ and 10MPa.In 3 minutes thermofixation initial stages, per 30 second breathing a mould once, exit altogether 6 times, pressurize is afterwards solidified.Gained is solidified work in-process put into baking oven, through 180 ℃, behind 4 hours the after fixing, grinding, boring obtains final finished.
Press the GB5763-2008 test, wherein shock strength is 4.6J/cm
2, 200 ℃ of coefficient of thermal expansions are 0.7%, the room temperature rate of compression is that 0.6%, 200 ℃ of rate of compression is 1.5%.The friction and wear behavior test result sees Table 4, and this friction materials has good temperature tolerance as can be seen, and promptly frictional coefficient keeps stable under quite high temperature, and the wear rate under differing temps is far below national standard.Therefore, it is little that product has heat fading, high temperature resistant, stable friction factor, and it is little to wear and tear, overall merits such as noiselessness.
Table 4 friction and wear behavior test result
Embodiment 5
The high temperature resistant friction materials of a kind of compound enhancing ceramic mould, this friction materials is composed of the following components by weight percentage:
Above-mentioned raw materials by after the proportioning weighing, is stirred in the adding high speed mixer (3000 rev/mins).The material that mixes by after the needed finished product thickness weighing, places hot pressing die thermofixation moulding in 20 minutes under the pressure of 175 ± 5 ℃ and 10MPa.In 3 minutes thermofixation initial stages, per 30 second breathing a mould once, exit altogether 6 times, pressurize is afterwards solidified.Gained is solidified work in-process put into baking oven, through 180 ℃, behind 4 hours the after fixing, grinding, boring obtains final finished.
Press the GB5763-2008 test, wherein shock strength is 4.4J/cm
2, 200 ℃ of coefficient of thermal expansions are 0.9%, the room temperature rate of compression is that 0.9%, 200 ℃ of rate of compression is 1.4%.The friction and wear behavior test result sees Table 5, and this friction materials has good temperature tolerance as can be seen, and promptly frictional coefficient keeps stable under quite high temperature, and the wear rate under differing temps is far below national standard.Therefore, it is little that product has heat fading, high temperature resistant, stable friction factor, and it is little to wear and tear, overall merits such as noiselessness.
Table 5 friction and wear behavior test result
The bound value and the interval value of each raw material of the present invention can both be realized the present invention, do not enumerate embodiment one by one at this.
Claims (4)
1. resistant to elevated temperatures composite ceramic mould friction materials, it is characterized in that, this friction materials is made up of the binding agent of 17-25%, the strongthener of 47-63%, the filler of 10-15% and the frictional property regulator of 10-16% by weight percentage, and described binding agent is made up of the benzoxazine colophony of the 8-10% that accounts for described friction materials gross weight, the resol of 3-5%, the Resins, epoxy of 3-5% and the tung oil of 3-5%.
2. resistant to elevated temperatures composite ceramic mould friction materials as claimed in claim 1, it is characterized in that described strongthener is made up of the aramid fiber of the 1-2% that accounts for described friction materials gross weight, the carbon fiber of 2-4%, the ceramic fiber of 20-25%, the copper fiber of 6-8%, the magnesia crystal whisker of 8-10%, the calcium carbonate crystal whisker of 8-10% and the alumina whisker of 2-4%.
3. resistant to elevated temperatures composite ceramic mould friction materials as claimed in claim 1 is characterized in that, described frictional property regulator is made up of the graphite of the 4-6% that accounts for described friction materials gross weight, the molybdenumdisulphide of 4-6% and the zircon sand of 2-4%.
4. resistant to elevated temperatures composite ceramic mould friction materials as claimed in claim 1 is characterized in that described filler is a barium sulfate.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104312149A (en) * | 2014-11-03 | 2015-01-28 | 厦门大学 | Wear-resistant benzoxazine resin and preparation method thereof |
| CN104448818A (en) * | 2014-12-16 | 2015-03-25 | 淄博科尔本高分子新材料有限公司 | High-performance benzoxazine resin composition applied to automobile brake pad and preparation method of high-performance benzoxazine resin composition |
| CN104449565A (en) * | 2013-09-20 | 2015-03-25 | 霓佳斯株式会社 | Dry friction material, clutch device and brake device |
| CN106119744A (en) * | 2016-07-30 | 2016-11-16 | 余姚市巧迪电器厂 | A kind of ceramic die material with good hot hardness and preparation method thereof |
| CN106317869A (en) * | 2016-08-22 | 2017-01-11 | 威海光威复合材料股份有限公司 | Method for preparing composite material from nano ceramic powder modified benzoxazine resin |
| CN106810816A (en) * | 2017-03-13 | 2017-06-09 | 浙江工贸职业技术学院 | A kind of brake block for disk brake |
| CN106928649A (en) * | 2017-02-17 | 2017-07-07 | 大连理工大学 | New ceramics Particles dispersed resin base heat resistanceheat resistant decline friction material and preparation method thereof |
| CN107269744A (en) * | 2017-06-28 | 2017-10-20 | 北京优材百慕航空器材有限公司 | A kind of composite brake shoe with great friction coefficient material and preparation method thereof |
| CN107353876A (en) * | 2017-08-17 | 2017-11-17 | 苏州曼里尼斯金属科技有限公司 | One kind falls grey metal-free ceramic friction material less |
| CN110105705A (en) * | 2019-05-17 | 2019-08-09 | 宁波红卓塑业科技有限公司 | A kind of friction plate factory formula and production technology |
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| WO2008149381A1 (en) * | 2007-06-05 | 2008-12-11 | Indian Institute Of Technology | Friction materials having resins incorporated therein and a process for producing the same |
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| US20110056779A1 (en) * | 2008-06-30 | 2011-03-10 | Henkel Corporation | High performance adhesives and methods for their use |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2008149381A1 (en) * | 2007-06-05 | 2008-12-11 | Indian Institute Of Technology | Friction materials having resins incorporated therein and a process for producing the same |
| US20110056779A1 (en) * | 2008-06-30 | 2011-03-10 | Henkel Corporation | High performance adhesives and methods for their use |
| CN101747588A (en) * | 2008-12-01 | 2010-06-23 | 北京化工大学 | Environment-friendly braking friction material and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104449565A (en) * | 2013-09-20 | 2015-03-25 | 霓佳斯株式会社 | Dry friction material, clutch device and brake device |
| CN104449565B (en) * | 2013-09-20 | 2018-11-20 | 霓佳斯株式会社 | Dry Friction Materials, arrangement of clutch and brake apparatus |
| CN104312149A (en) * | 2014-11-03 | 2015-01-28 | 厦门大学 | Wear-resistant benzoxazine resin and preparation method thereof |
| CN104448818A (en) * | 2014-12-16 | 2015-03-25 | 淄博科尔本高分子新材料有限公司 | High-performance benzoxazine resin composition applied to automobile brake pad and preparation method of high-performance benzoxazine resin composition |
| CN106119744A (en) * | 2016-07-30 | 2016-11-16 | 余姚市巧迪电器厂 | A kind of ceramic die material with good hot hardness and preparation method thereof |
| CN106317869A (en) * | 2016-08-22 | 2017-01-11 | 威海光威复合材料股份有限公司 | Method for preparing composite material from nano ceramic powder modified benzoxazine resin |
| CN106928649A (en) * | 2017-02-17 | 2017-07-07 | 大连理工大学 | New ceramics Particles dispersed resin base heat resistanceheat resistant decline friction material and preparation method thereof |
| CN106928649B (en) * | 2017-02-17 | 2019-07-05 | 大连理工大学 | Ceramic particle compound resin base heat resistanceheat resistant decline friction material and preparation method thereof |
| CN106810816B (en) * | 2017-03-13 | 2018-10-23 | 浙江工贸职业技术学院 | A kind of brake block for disk brake |
| CN106810816A (en) * | 2017-03-13 | 2017-06-09 | 浙江工贸职业技术学院 | A kind of brake block for disk brake |
| CN107269744A (en) * | 2017-06-28 | 2017-10-20 | 北京优材百慕航空器材有限公司 | A kind of composite brake shoe with great friction coefficient material and preparation method thereof |
| CN107353876A (en) * | 2017-08-17 | 2017-11-17 | 苏州曼里尼斯金属科技有限公司 | One kind falls grey metal-free ceramic friction material less |
| CN110105705A (en) * | 2019-05-17 | 2019-08-09 | 宁波红卓塑业科技有限公司 | A kind of friction plate factory formula and production technology |
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| CN102277133B (en) | 2013-04-17 |
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