CN107603562A - A kind of enhanced ceramic fibre friction material - Google Patents
A kind of enhanced ceramic fibre friction material Download PDFInfo
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- CN107603562A CN107603562A CN201710565996.4A CN201710565996A CN107603562A CN 107603562 A CN107603562 A CN 107603562A CN 201710565996 A CN201710565996 A CN 201710565996A CN 107603562 A CN107603562 A CN 107603562A
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- ceramic fibre
- yarn
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- fiber
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Abstract
The invention discloses a kind of enhanced ceramic fibre friction material, including ceramic matrix and it is deposited on the carbon boundary layer on ceramic matrix surface, ceramic matrix is by the outside radially structure of central point, ceramic matrix includes a carbon fiber covering yarn and multiple ceramic fibre beams, multiple ceramic fibre beams are provided with mixed fiber yarn interface along carbon fiber covering yarn to external diffusion between adjacent ceramic fibre bundle.The present invention is by the outside radially structure in center, overall adhesion is strong, adhesive intensity is high, with extremely strong stability, reduce stress and concentrate and cause the situation of local damage, while strengthen fixing using mixed fiber yarn interface, anti-wear performance is good, the service life of material, and stable friction factor are effectively raised, meets requirement of the varying environment to friction material.
Description
Technical field
The present invention relates to ceramic frication material technical field, more particularly to a kind of enhanced ceramic fibre friction material.
Background technology
As vehicle develops to environmental protection, high speed and overload direction, people propose more to the performance of automobile brake material
High requirement, particularly in high-temperature brake, the stability and security of material are most important.Brake system of car is main at present
Using semimetal friction material, without asbestos organic friction material (NAO), powder metallurgy friction material, ceramic frication material etc..With
The continuous development of friction material, ceramic frication material along with having obtained using and promoting for large area the advantages of itself,
And quick development was being obtained in recent years.
In the prior art, the coefficient of friction of ceramic material is unstable so that and the performance of brake system of car is unstable, by
Polynary feature is shown as in the material of ceramic matrix, respective adhesion performance differs greatly, and adhesion strength degree differs, and is using
In easily cause the phenomenon that Local Cracking damages because of unbalance stress, directly affect the bulk strength and quality index of finished product, and
And anti-wear performance there is also it is certain the defects of, greatly shorten its service life.
Therefore, in order to solve above-mentioned problem, spy of the present invention provides a kind of new technical scheme.
The content of the invention
It is an object of the invention to provide a kind of enhanced ceramic fibre friction material, it can solve the problem that prior art ceramics rub
Wipe that material friction coefficient is unstable, low intensity and the technological deficiency such as wear no resistance.
Technical scheme is used by the present invention is directed to above-mentioned technological deficiency：
A kind of enhanced ceramic fibre friction material, including ceramic matrix and the carbon interface for being deposited on the ceramic matrix surface
Layer, for the ceramic matrix by the outside radially structure of central point, the ceramic matrix includes a carbon fiber covering yarn and multiple
Ceramic fibre beam, multiple ceramic fibre beams are provided with mixed along carbon fiber covering yarn to external diffusion between adjacent ceramic fibre bundle
Condensating fiber yarn interface, the carbon fiber covering yarn are pressed including 6-12 parts carbon fiber, 1-3 part vitreous fibers and 2-10 part aramid fibers
Formed according to ratio.
Further, mixed fiber yarn interface includes 2-10 parts acrylic fiber, 4-8 parts polypropylene fiber forms.
Further, the area at mixed fiber yarn interface is from inside to outside successively in the trend gradually increased.
Further, mixed fiber yarn interface and the tie point of corresponding ceramic fibre beam are provided with enhanced node.
Further, the thickness of the carbon boundary layer is 1-10 μm.
A kind of preparation method of enhanced ceramic fibre friction material, comprises the following steps：
a：6-12 parts carbon fiber and the blending of 2-10 part aramid fibers are formed into table yarn, then regard 1-3 part vitreous fibers as heart yarn system
Standby carbon fiber covering yarn；
b：2-10 parts acrylic fiber is equably wrapped on 4-8 part polypropylene fibers according to the S50-S100 twist direction twist and prepared
Mixed fiber yarn interface；
c：Radial ceramic matrix is formed using carbon fiber covering yarn, ceramic fibre beam and mixed fiber yarn interface；
d：Use the method for chemical vapor deposition on the surface of ceramic matrix deposit thickness for 1-10 μm of carbon boundary layer.
The beneficial effects of the invention are as follows：The present invention is by the outside radially structure in center, and overall adhesion is strong, and adhesive is strong
Degree is high, has extremely strong stability, reduces stress and concentrates and cause the situation of local damage, while uses mixed fiber yarn circle
Face is strengthened fixing, and anti-wear performance is good, effectively raises the service life of material, and stable friction factor, meets different rings
Requirement of the border to friction material.
Brief description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is this structural representation of the invention.
Fig. 2 is the performance test results comparison diagram.
Wherein：1st, ceramic matrix, 11, carbon fiber covering yarn, 12, ceramic fibre beam, 13, mixed fiber yarn interface, 14, increase
Strong type node.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, should
Embodiment is only used for explaining the present invention, does not form the restriction to protection scope of the present invention.
A kind of enhanced ceramic fibre friction material as shown in Figure 1, including ceramic matrix 1 and it is deposited on ceramic matrix
The carbon boundary layer on 1 surface, by central point, outwards radially structure, ceramic matrix 1 include a carbon fiber covering yarn to ceramic matrix 1
11 and multiple ceramic fibre beams 12, multiple ceramic fibre beams 12 are along carbon fiber covering yarn 11 to external diffusion, adjacent ceramic fiber
Mixed fiber yarn interface 13 is provided between beam 12, carbon fiber covering yarn includes 6-12 parts carbon fiber, 1-3 part vitreous fibers and 2-
10 parts of aramid fibers proportionally form.
Wherein, mixed fiber yarn interface includes 2-10 parts acrylic fiber, 4-8 parts polypropylene fiber forms, mixed fiber yarn circle
The area in face is from inside to outside successively in the trend gradually increased.Mixed fiber yarn interface and the tie point of corresponding ceramic fibre beam are equal
It is provided with enhanced node 14.The thickness of the carbon boundary layer is 1-10 μm.
Embodiment 1
A kind of preparation method of enhanced ceramic fibre friction material, comprises the following steps：
a：6 parts of carbon fibers and 2 parts of aramid fiber blending are formed into table yarn, then carbon fiber is prepared using 1 part of vitreous fiber as heart yarn
Covering yarn；
b：4 parts of acrylic fibers are equably wrapped on 4 parts of polypropylene fibers according to the S50 twist direction twist and prepare mixed fiber yarn circle
Face；
c：Radial ceramic matrix is formed using carbon fiber covering yarn, ceramic fibre beam and mixed fiber yarn interface；
d：Use the method for chemical vapor deposition on the surface of ceramic matrix deposit thickness for 1 μm of carbon boundary layer.
Embodiment 2
A kind of preparation method of enhanced ceramic fibre friction material, comprises the following steps：
a：8 parts of carbon fibers and 2 parts of aramid fiber blending are formed into table yarn, then carbon fiber is prepared using 2 parts of vitreous fibers as heart yarn
Covering yarn；
b：6 parts of acrylic fibers are equably wrapped on 4 parts of polypropylene fibers according to the S80 twist direction twist and prepare mixed fiber yarn circle
Face；
c：Radial ceramic matrix is formed using carbon fiber covering yarn, ceramic fibre beam and mixed fiber yarn interface；
d：Use the method for chemical vapor deposition on the surface of ceramic matrix deposit thickness for 5 μm of carbon boundary layer.
Embodiment 3
A kind of preparation method of enhanced ceramic fibre friction material, comprises the following steps：
a：10 parts of carbon fibers and 10 parts of aramid fiber blending are formed into table yarn, then carbon fibre is prepared using 3 parts of vitreous fibers as heart yarn
Tie up covering yarn；
b：4 parts of acrylic fibers are equably wrapped on 8 parts of polypropylene fibers according to the S100 twist direction twist and prepare mixed fiber yarn
Interface；
c：Radial ceramic matrix is formed using carbon fiber covering yarn, ceramic fibre beam and mixed fiber yarn interface；
d：Use the method for chemical vapor deposition on the surface of ceramic matrix deposit thickness for 10 μm of carbon boundary layer.
The performance test results of the friction braking material prepared in embodiments of the invention are as shown in table 1, wherein contrast is
Conventional ceramic friction material.
As shown in Fig. 2 the performance test results show：The nominal growth amplitude of intensity of the present invention is larger, and coefficient of friction can be with
Be adjusted in wider scope, wear rate shows as increasing weight, wear rate be on the occasion of.
In summary：The present invention is by the outside radially structure in center, and overall adhesion is strong, and adhesive intensity is high, has
Extremely strong stability, and reduce stress and concentrate the situation for causing local damage, while strengthened admittedly using mixed fiber yarn interface
Fixed, anti-wear performance is good, effectively raises the service life of material, and stable friction factor, meets varying environment to friction
The requirement of material.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (6)
1. a kind of enhanced ceramic fibre friction material, including ceramic matrix and carbon circle for being deposited on the ceramic matrix surface
Surface layer, it is characterised in that：By central point, outwards radially structure, the ceramic matrix include a carbon fiber to the ceramic matrix
Covering yarn and multiple ceramic fibre beams, multiple ceramic fibre beams are along carbon fiber covering yarn to external diffusion, adjacent ceramic fibre bundle
Between be provided with mixed fiber yarn interface, the carbon fiber covering yarn includes 6-12 parts carbon fiber, 1-3 part vitreous fibers and 2-10
Part aramid fiber proportionally forms.
A kind of 2. enhanced ceramic fibre friction material according to claim 1, it is characterised in that：Mixed fiber yarn interface
Formed including 2-10 parts acrylic fiber, 4-8 parts polypropylene fiber.
A kind of 3. enhanced ceramic fibre friction material according to claim 1, it is characterised in that：Mixed fiber yarn interface
Area from inside to outside successively in the trend that gradually increases.
A kind of 4. enhanced ceramic fibre friction material according to claim 1, it is characterised in that：Mixed fiber yarn interface
Enhanced node is provided with the tie point of corresponding ceramic fibre beam.
A kind of 5. enhanced ceramic fibre friction material according to claim 1, it is characterised in that：The carbon boundary layer
Thickness is 1-10 μm.
A kind of 6. preparation method of enhanced ceramic fibre friction material according to claim 1, it is characterised in that：Including
Following steps：
a：6-12 parts carbon fiber and the blending of 2-10 part aramid fibers are formed into table yarn, then regard 1-3 part vitreous fibers as heart yarn system
Standby carbon fiber covering yarn；
b：2-10 parts acrylic fiber is equably wrapped on 4-8 part polypropylene fibers according to the S50-S100 twist direction twist and prepared
Mixed fiber yarn interface；
c：Radial ceramic matrix is formed using carbon fiber covering yarn, ceramic fibre beam and mixed fiber yarn interface；
d：Use the method for chemical vapor deposition on the surface of ceramic matrix deposit thickness for 1-10 μm of carbon boundary layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565996.4A CN107603562A (en) | 2017-11-28 | 2017-11-28 | A kind of enhanced ceramic fibre friction material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710565996.4A CN107603562A (en) | 2017-11-28 | 2017-11-28 | A kind of enhanced ceramic fibre friction material |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101166777A (en) * | 2005-04-26 | 2008-04-23 | 博格华纳公司 | Friction material |
| CN101759958A (en) * | 2009-12-21 | 2010-06-30 | 中国计量学院 | Enhanced ceramic friction material and preparation method thereof |
| CN103409105A (en) * | 2013-07-26 | 2013-11-27 | 安徽昕宏通用设备制造有限公司 | Friction material for brake pad and preparation technology of friction material |
| CN104119837A (en) * | 2014-07-30 | 2014-10-29 | 太仓力达莱特精密工业有限公司 | Preparation method of fiber reinforced ceramic based friction material |
| CN107524739A (en) * | 2017-08-17 | 2017-12-29 | 苏州曼里尼斯金属科技有限公司 | A kind of enhanced ceramic fibre friction material |
-
2017
- 2017-11-28 CN CN201710565996.4A patent/CN107603562A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101166777A (en) * | 2005-04-26 | 2008-04-23 | 博格华纳公司 | Friction material |
| CN101759958A (en) * | 2009-12-21 | 2010-06-30 | 中国计量学院 | Enhanced ceramic friction material and preparation method thereof |
| CN103409105A (en) * | 2013-07-26 | 2013-11-27 | 安徽昕宏通用设备制造有限公司 | Friction material for brake pad and preparation technology of friction material |
| CN104119837A (en) * | 2014-07-30 | 2014-10-29 | 太仓力达莱特精密工业有限公司 | Preparation method of fiber reinforced ceramic based friction material |
| CN107524739A (en) * | 2017-08-17 | 2017-12-29 | 苏州曼里尼斯金属科技有限公司 | A kind of enhanced ceramic fibre friction material |
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Application publication date: 20180119 |
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