CN101250651A - Light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material - Google Patents
Light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material Download PDFInfo
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- CN101250651A CN101250651A CNA2008100271898A CN200810027189A CN101250651A CN 101250651 A CN101250651 A CN 101250651A CN A2008100271898 A CNA2008100271898 A CN A2008100271898A CN 200810027189 A CN200810027189 A CN 200810027189A CN 101250651 A CN101250651 A CN 101250651A
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- carbide particle
- silicon carbide
- matrix composite
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- braking disc
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Abstract
The invention relates to a vehicle braking disc material, which particularly relates to a light vehicle braking disc which utilizes silicon carbide particle to enhance aluminum-based metal matrix composite. According to percentage by volume, the components and contents of the light vehicle braking disc are that silicon carbide particle 23-30% whose nominal diameter is 40-80um and aluminum alloy 70-77%. The concentration of the light vehicle braking disc of the invention is 2.74-2.85cm-3, which is tested with brake block material on a Chase friction tester according to society of Automotive Engineers, SAE J661a standard, wherein the friction factor is 0.30-0.42, and the abrasion of the light vehicle braking disc is corresponded with a braking disc which adopts gray cast iron. The vehicle braking disc can satisfy the light type requirement of vehicle braking disc.
Description
Technical field
The present invention relates to the automobile brake disk material, be meant a kind of light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material more specifically.
Background technology
Now the automobile brake disk material that uses is to comprise 3～4% flake graphites, be pearlitic graphitic cast iron, and its density is 7.3gcm
-3Form the material of semi-metal disc brake pad, be divided into four classes according to it usually in friction process role difference: structured material, binding resin, friction materials properties-correcting agent and filler, wherein structured material is a steel fiber.Along with the aggravation of oil crisis and the increase of vehicle fuel consume, require to alleviate the quality of retarding disc.Silicon carbide particle reinforced aluminum metal-matrix composite material has higher specific heat and thermal conductivity, and especially density is lower, it is become substitute the strongest rival of gray cast iron material.But, discover the brake facing that is suitable for the graphitic cast iron retarding disc and be not suitable for the silicon carbide particle reinforced aluminum metal-matrix composite material retarding disc.Reason is that the steel fiber in the semi-metal disc brake pad produces very big ablation to the silicon carbide particle reinforced aluminum metal-matrix composite material retarding disc.In order to adapt to the change of disc material, require to replace the steel fiber in the original prescription, use injures little brake facing to the silicon carbide particle reinforced aluminum metal-matrix composite material retarding disc, and comes together to do friction and Wear Study with silicon carbide particle reinforced aluminum metal-matrix composite material.
Summary of the invention
The objective of the invention is friction and Wear Study, solve the lightness problem of automobile brake disc, a kind of light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material is provided by brake facing and silicon carbide particle reinforced aluminum metal-matrix composite material.
Technical scheme of the present invention is as follows:
A kind of light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material is characterized in that, percentage meter by volume, and its component and content thereof are: the silicon-carbide particle 23～30% of nominal diameter 40～80 μ m, aluminium alloy 70～77%;
Described aluminium alloy by the component of quality percentage composition is: silicon 11～13%, and nickel 0.8～1.5%, copper 0.5～1.5%, magnesium 0.8～1.3%, iron 0.7%, titanium 0.2%, manganese 0.2%, zinc 0.2%, all the other are aluminium.
The light car brake disk of described a kind of silicon carbide particle reinforced aluminum metal-matrix composite material, percentage meter by volume, its component and content thereof are: the silicon-carbide particle 25～28% of nominal diameter 80 μ m, aluminium alloy 72～75%.
The light car brake disk of described a kind of silicon carbide particle reinforced aluminum metal-matrix composite material, percentage meter by volume, its component and content thereof are: the silicon-carbide particle 26% of 80 μ m, aluminium alloy 74%.
The present invention compared with prior art has following advantage:
The density of light-duty retarding disc of the present invention is 2.74～2.85gcm
-3On the Chase frictional testing machines, press international robot engineering Shi Xiehui (Society of AutomotiveEngineers with brake pad material, SAE) J661a standard testing, its frictional coefficient are 0.30～0.42, and the wearing and tearing of light-duty retarding disc are suitable when adopting the graphitic cast iron retarding disc.
Embodiment
The present invention is described in further detail by following embodiment, but the working of an invention mode is not limited thereto.
Embodiment 1
A kind of light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material, percentage meter by volume, its component and content thereof are: the silicon-carbide particle 23% of nominal diameter 40 μ m, aluminium alloy 77%;
Described aluminium alloy by the component of quality percentage composition is: silicon 11～13%, and nickel 0.8～1.5%, copper 0.5～1.5%, magnesium 0.8～1.3%, iron 0.7%, titanium 0.2%, manganese 0.2%, zinc 0.2%, all the other are aluminium.
At first, aluminium alloy is put into liquidus temperature that crucible is heated to above it more than 100 ℃, and silicon-carbide particle is preheating to 500 ℃.By mixing, mixture is poured in the predetermined pig mold under vacuum condition for the aluminium alloy of fusing and the silicon-carbide particle of preheating, makes the new brake drum of a Chase machine by extrusion casting.The mechanical workout fin cutting, T6 thermal treatment, the surface of friction of drum polishes with 1000 order sand paper, and the dust of generation blows off with an air compressor, and clean with acetone on the surface, seasoning.After brake drum is installed on the Chase machine, with the standardized component of a brake pad material with 6.1ms
-1Speed, 446N load and be lower than 93 ℃ of temperature and rub in advance is to reach a stable frictional coefficient.Corresponding brake facing is by the quality percentage, and its raw material is: kyanite 3%, wollastonite 5%, cashew nut oil friction powder 2%, molybdenumdisulphide 2%, magnesium oxide 2%, barite 6%, glass fibre 36%, aramid fiber 2%, brass fiber 5%, modified phenolic resins 10%, zirconium silicate 7%, crystal whisker of hexa potassium titanate 20%.Adopt ordinary method processing brake pad material, press SAE J661a standard testing, its frictional coefficient is 0.30～0.35.
Embodiment 2
A kind of light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material, percentage meter by volume, its component and content thereof are: the silicon-carbide particle 25% of nominal diameter 60 μ m, aluminium alloy 75%; Other condition and preparation method are with embodiment 1.Press SAE J661a standard testing, its frictional coefficient is 0.32～0.37.
Embodiment 3
A kind of light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material, percentage meter by volume, its component and content thereof are: the silicon-carbide particle 26% of nominal diameter 80 μ m, aluminium alloy 74%; Other condition and preparation method are with embodiment 1.Press SAE J661a standard testing, its frictional coefficient is 0.34～0.40.
Embodiment 4
A kind of light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material, percentage meter by volume, its component and content thereof are: the silicon-carbide particle 30% of nominal diameter 80 μ m, aluminium alloy 70%; Other condition and preparation method are with embodiment 1.Press SAE J661a standard testing, its frictional coefficient is 0.36～0.42.
All suitable when the wearing and tearing of the light-duty retarding disc of the foregoing description indication and employing graphitic cast iron retarding disc.
Claims (3)
1. the light car brake disk of a silicon carbide particle reinforced aluminum metal-matrix composite material is characterized in that, percentage meter by volume, and its component and content thereof are: the silicon-carbide particle 23～30% of nominal diameter 40～80 μ m, aluminium alloy 70～77%;
Described aluminium alloy by the component of quality percentage composition is: silicon 11～13%, and nickel 0.8～1.5%, copper 0.5～1.5%, magnesium 0.8～1.3%, iron 0.7%, titanium 0.2%, manganese 0.2%, zinc 0.2%, all the other are aluminium.
2. the light car brake disk of a kind of silicon carbide particle reinforced aluminum metal-matrix composite material according to claim 1, it is characterized in that, percentage meter by volume, its component and content thereof are: the silicon-carbide particle 25～28% of nominal diameter 80 μ m, aluminium alloy 72～75%.
3. the light car brake disk of a kind of silicon carbide particle reinforced aluminum metal-matrix composite material according to claim 1 is characterized in that, percentage meter by volume, and its component and content thereof are: the silicon-carbide particle 26% of 80 μ m, aluminium alloy 74%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100271898A CN100569974C (en) | 2008-04-02 | 2008-04-02 | A kind of light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2008100271898A CN100569974C (en) | 2008-04-02 | 2008-04-02 | A kind of light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material |
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| CN101250651A true CN101250651A (en) | 2008-08-27 |
| CN100569974C CN100569974C (en) | 2009-12-16 |
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| CNB2008100271898A Expired - Fee Related CN100569974C (en) | 2008-04-02 | 2008-04-02 | A kind of light car brake disk of silicon carbide particle reinforced aluminum metal-matrix composite material |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792876A (en) * | 2010-03-26 | 2010-08-04 | 南京工业大学 | Aluminum-based composite material for composite pan bottom of stainless steel pan and preparation method thereof |
| CN103305726A (en) * | 2013-06-26 | 2013-09-18 | 苏州金仓合金新材料有限公司 | Method for preparing nanoscale silicon carbide aluminum alloy bar |
| CN104388845A (en) * | 2014-11-21 | 2015-03-04 | 青岛麦特瑞欧新材料技术有限公司 | Modified silicon carbide fiber-reinforced aluminum metal matrix composite material |
| CN104561845A (en) * | 2014-12-22 | 2015-04-29 | 青岛麦特瑞欧新材料技术有限公司 | Aluminum matrix composite for preparing automobile brake disc |
| CN105525153A (en) * | 2015-11-30 | 2016-04-27 | 中国铁道科学研究院 | Brake disc prepared from silicon carbide particle reinforced aluminum matrix composite material |
| CN107100949A (en) * | 2017-04-17 | 2017-08-29 | 湖南锴博新材料科技有限公司 | A kind of combined type composite material brake disc and preparation method and application |
| CN107760894A (en) * | 2016-08-22 | 2018-03-06 | 上海交通大学 | A kind of preparation method of aluminum matrix composite automobile brake disc |
| CN111075866A (en) * | 2018-10-19 | 2020-04-28 | 奥的斯电梯公司 | Elevator brake |
| CN114876989A (en) * | 2022-05-11 | 2022-08-09 | 江苏川钿明椿电气机械有限公司 | Aluminum-based brake friction plate and preparation method thereof |
-
2008
- 2008-04-02 CN CNB2008100271898A patent/CN100569974C/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792876A (en) * | 2010-03-26 | 2010-08-04 | 南京工业大学 | Aluminum-based composite material for composite pan bottom of stainless steel pan and preparation method thereof |
| CN103305726A (en) * | 2013-06-26 | 2013-09-18 | 苏州金仓合金新材料有限公司 | Method for preparing nanoscale silicon carbide aluminum alloy bar |
| WO2014205607A1 (en) * | 2013-06-26 | 2014-12-31 | 苏州金仓合金新材料有限公司 | Method for preparing nanoscale silicon carbide aluminum alloy rod |
| CN103305726B (en) * | 2013-06-26 | 2015-02-04 | 苏州金仓合金新材料有限公司 | Method for preparing nanoscale silicon carbide aluminum alloy bar |
| CN104388845A (en) * | 2014-11-21 | 2015-03-04 | 青岛麦特瑞欧新材料技术有限公司 | Modified silicon carbide fiber-reinforced aluminum metal matrix composite material |
| CN104561845A (en) * | 2014-12-22 | 2015-04-29 | 青岛麦特瑞欧新材料技术有限公司 | Aluminum matrix composite for preparing automobile brake disc |
| CN105525153A (en) * | 2015-11-30 | 2016-04-27 | 中国铁道科学研究院 | Brake disc prepared from silicon carbide particle reinforced aluminum matrix composite material |
| CN107760894A (en) * | 2016-08-22 | 2018-03-06 | 上海交通大学 | A kind of preparation method of aluminum matrix composite automobile brake disc |
| CN107100949A (en) * | 2017-04-17 | 2017-08-29 | 湖南锴博新材料科技有限公司 | A kind of combined type composite material brake disc and preparation method and application |
| CN107100949B (en) * | 2017-04-17 | 2019-01-29 | 湖南世鑫新材料有限公司 | A kind of combined type composite material brake disc and preparation method and application |
| CN111075866A (en) * | 2018-10-19 | 2020-04-28 | 奥的斯电梯公司 | Elevator brake |
| CN114876989A (en) * | 2022-05-11 | 2022-08-09 | 江苏川钿明椿电气机械有限公司 | Aluminum-based brake friction plate and preparation method thereof |
| CN114876989B (en) * | 2022-05-11 | 2023-10-27 | 江苏川钿明椿电气机械有限公司 | Aluminum-based brake friction plate and preparation method thereof |
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| CN100569974C (en) | 2009-12-16 |
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Granted publication date: 20091216 Termination date: 20110402 |