CN107129794A - One kind is without copper ceramic-based friction material and preparation method thereof - Google Patents
One kind is without copper ceramic-based friction material and preparation method thereof Download PDFInfo
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- CN107129794A CN107129794A CN201710439470.1A CN201710439470A CN107129794A CN 107129794 A CN107129794 A CN 107129794A CN 201710439470 A CN201710439470 A CN 201710439470A CN 107129794 A CN107129794 A CN 107129794A
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- friction material
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1436—Composite particles, e.g. coated particles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
- C08L61/14—Modified phenol-aldehyde condensates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Compositions of linings; Methods of manufacturing
- F16D69/023—Composite materials containing carbon and carbon fibres or fibres made of carbonizable material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0034—Materials; Production methods therefor non-metallic
- F16D2200/0039—Ceramics
- F16D2200/0047—Ceramic composite, e.g. C/C composite infiltrated with Si or B, or ceramic matrix infiltrated with metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/006—Materials; Production methods therefor containing fibres or particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0082—Production methods therefor
- F16D2200/0086—Moulding materials together by application of heat and pressure
Abstract
The invention discloses raw material composition of the one kind without copper ceramic-based friction material, including following parts by weight：10 15 parts of ceramic fibre；28 parts of carbon fiber；15 parts of aramid fiber；8 10 parts of cashew nut oil modified alkyd resin；9 10 parts of potassium titanate crystal whisker；68 parts of nitrile rubber powder；68 parts of graphite particle；24 parts of mica；46 parts of miberal powder；35 parts of coke powder；12 16 parts of calcium sulfate；35 parts of expanded vermiculite；23 parts of modifying agent；Organic 9 13 parts of Frication powder.The present invention substitutes the copper fiber in ceramic formula using potassium titanate crystal whisker, calcium sulfate, effectively reduce friction dust, avoid the Cu-W ore deposit problem of copper fiber generation, environmental protection, and copper is replaced using graphite particle, in the case where not changing friction material heat conductivility, improve the noise and vibrations performance of brakes, be difficult rust corrosion.
Description
Technical field
The present invention relates to friction materials technology field, more particularly to one kind is without copper ceramic-based friction material and its preparation side
Method.
Background technology
Friction material is that one kind is applied on dynamic power machine, and the part of braking and transmission agency is performed by rubbing action
Material, is widely used in automobile, train, aircraft and all kinds of engineering mechanical devices.As vehicle is to environmental protection, high speed and again
Carry direction to develop, people propose the performance of automobile brake material higher requirement.
The copper materials such as copper fiber, red copper fiber, copper particle are copper as a kind of common friction additive, its feature
Material matter is soft, and thermal conductivity factor is high, and the heat produced beneficial to friction rapidly disperses, and advantageously forms friction transfer film surface.
But investigation shows that a large amount of Cu-W ore deposits derive from brake dust in environment, and when vehicle brake, a part for brake block is ground into powder
Enter after dirt in environment, cupric dust can be deposited into water body by rainwater and suspended particulate substance, therefore environment middle and high concentration
Copper can to biology produce toxic action especially for the biology in water environment.And the ceramic frication material of cupric is easily rotten
Erosion is got rusty, thus in ceramic frication material copper product consumption limitation even cupric does not have become research class urgently to be resolved hurrily
Topic.
Therefore, in order to solve above-mentioned problem, the present invention is special to provide a kind of new technical scheme.
The content of the invention
It is an object of the invention to provide one kind without copper ceramic-based friction material and preparation method thereof, existing skill can solve the problem that
In art ceramic frication material containing copper cause Cu-W ore deposit, it is perishable get rusty, brake noise big and the problems such as many friction dust.
It is of the invention to be for the technical scheme that above-mentioned technological deficiency is used：
A kind of raw material composition without copper ceramic-based friction material, including following parts by weight：10-15 parts of ceramic fibre；Carbon fiber 2-
8 parts；1-5 parts of aramid fiber；8-10 parts of cashew nut oil modified alkyd resin；9-10 parts of potassium titanate crystal whisker；6-8 parts of nitrile rubber powder；
6-8 parts of graphite particle；2-4 parts of mica；4-6 parts of miberal powder；3-5 parts of coke powder；12-16 parts of calcium sulfate；3-5 parts of expanded vermiculite；
2-3 parts of modifying agent；Organic Frication powder 9-13 parts.
Further, the raw material composition of following parts by weight is included：10 parts of ceramic fibre；2 parts of carbon fiber；Aramid fiber 1
Part；8 parts of cashew nut oil modified alkyd resin；9 parts of potassium titanate crystal whisker；6 parts of nitrile rubber powder；6 parts of graphite particle；2 parts of mica；Miberal powder
4 parts；3 parts of coke powder；12 parts of calcium sulfate；3 parts of expanded vermiculite；2 parts of modifying agent；Organic 9 parts of Frication powder.
Further, the raw material composition of following parts by weight is included：15 parts of ceramic fibre；8 parts of carbon fiber；Aramid fiber 5
Part；10 parts of cashew nut oil modified alkyd resin；10 parts of potassium titanate crystal whisker；8 parts of nitrile rubber powder；8 parts of graphite particle；4 parts of mica；Ore deposit
6 parts of powder；5 parts of coke powder；16 parts of calcium sulfate；5 parts of expanded vermiculite；3 parts of modifying agent；Organic 13 parts of Frication powder.
Further, the particle size range of the graphite particle is 20-100 μm.
Further, the modifying agent is that TORCO limits sliding/friction modifying agent.
A kind of preparation method without copper ceramic-based friction material, comprises the following steps：
a：Dispensing：Each component materials is weighed by said ratio；
b：Batch mixing：The step a each component materials matched are placed in batch mixing in batch mixer, by its temperature control in 80-120
DEG C, mixing speed is used for 1000-3000r/min stir mixing 10-20min,
c：It is compressing：Will be compressing in the batch mixing addition hot pressing die core rod obtained by step b, press temperature control is existed
140-180 DEG C, it is vented 4-6 times, the time is 12-16s, and pressing pressure is 350-400kgf/cm2, the dwell time is 200-250s.
d：Heat treatment:The compressing products of step c are placed in into baking box to be heat-treated, by oven temperature in 45min
From room temperature to 180 DEG C, 20-30min is incubated；Baking box is warming up to 400 DEG C in 1h from 180 DEG C again, 45-60min is incubated；
Baking box is warming up to 500 DEG C in 30min from 400 DEG C again, insulation 60-120min then by baking box it is air-cooled to room temperature obtain half into
Product,
e：Machining：Semi-finished product obtained by step d are ground according to dimensions, slotted and chamfered.
The beneficial effects of the invention are as follows：
1st, it is excellent that ceramic frication material produced by the present invention has stable friction factor, anti-wear performance good and impact strength is strong etc.
Point；
2nd, the present invention substitutes the copper fiber in ceramic formula using potassium titanate crystal whisker, calcium sulfate, effectively reduces friction dust, keeps away
The Cu-W ore deposit problem of copper fiber generation, environmental protection, with good social benefit are exempted from；
3rd, the present invention replaces copper using graphite particle, in the case where not changing friction material heat conductivility, improves brakes
Noise and vibrations performance；
4th, the present invention is free of copper component, is difficult rust corrosion, can be widely applied to brake system of car.
Embodiment
Limited with reference to embodiment technical scheme is further, but claimed model
Enclose and be not only limited to made description.
Embodiment 1
A kind of raw material composition without copper ceramic-based friction material, including following parts by weight：10 parts of ceramic fibre；2 parts of carbon fiber；
1 part of aramid fiber；8 parts of cashew nut oil modified alkyd resin；9 parts of potassium titanate crystal whisker；6 parts of nitrile rubber powder；6 parts of graphite particle；Cloud
It is female 2 parts；4 parts of miberal powder；3 parts of coke powder；12 parts of calcium sulfate；3 parts of expanded vermiculite；2 parts of modifying agent；Organic 9 parts of Frication powder.
Wherein, a kind of preparation method without copper ceramic-based friction material, comprises the following steps：
a：Dispensing：Each component materials is weighed by said ratio；
b：Batch mixing：The step a each component materials matched are placed in batch mixing in batch mixer, by its temperature control at 80 DEG C, adopted
It is 1000r/min stir mixing 10min with mixing speed,
c：It is compressing：Will be compressing in the batch mixing addition hot pressing die core rod obtained by step b, press temperature control is existed
140 DEG C, it is vented 4 times, the time is 12s, and pressing pressure is 350kgf/cm2, the dwell time is 200s.
d：Heat treatment:The compressing products of step c are placed in into baking box to be heat-treated, by oven temperature in 45min
From room temperature to 180 DEG C, 20min is incubated；Baking box is warming up to 400 DEG C in 1h from 180 DEG C again, 45min is incubated；Again will be roasting
Case is warming up to 500 DEG C in 30min from 400 DEG C, insulation 60min and then obtains semi-finished product to room temperature by baking box is air-cooled,
e：Machining：Semi-finished product obtained by step d are ground according to dimensions, slotted and chamfered.
Embodiment 2
A kind of raw material composition without copper ceramic-based friction material, including following parts by weight：13 parts of ceramic fibre；5 parts of carbon fiber；
3 parts of aramid fiber；98-10 parts of cashew nut oil modified alkyd resin；9.5 parts of potassium titanate crystal whisker；7 parts of nitrile rubber powder；Graphite particle 7
Part；3 parts of mica；5 parts of miberal powder；4 parts of coke powder；14 parts of calcium sulfate；4 parts of expanded vermiculite；2.5 parts of modifying agent；Organic Frication powder
11 parts.
Wherein, a kind of preparation method without copper ceramic-based friction material, comprises the following steps：
a：Dispensing：Each component materials is weighed by said ratio；
b：Batch mixing：The step a each component materials matched are placed in batch mixing in batch mixer, by its temperature control at 100 DEG C, adopted
It is 2000r/min stir mixing 15min with mixing speed,
c：It is compressing：Will be compressing in the batch mixing addition hot pressing die core rod obtained by step b, press temperature control is existed
160 DEG C, it is vented 5 times, the time is 14s, and pressing pressure is 380kgf/cm2, the dwell time is 230s.
d：Heat treatment:The compressing products of step c are placed in into baking box to be heat-treated, by oven temperature in 45min
From room temperature to 180 DEG C, 25min is incubated；Baking box is warming up to 400 DEG C in 1h from 180 DEG C again, 55min is incubated；Again will be roasting
Case is warming up to 500 DEG C in 30min from 400 DEG C, insulation 90min and then obtains semi-finished product to room temperature by baking box is air-cooled,
e：Machining：Semi-finished product obtained by step d are ground according to dimensions, slotted and chamfered.
Embodiment 3
A kind of raw material composition without copper ceramic-based friction material, including following parts by weight：10-15 parts of ceramic fibre；Carbon fiber 8
Part；5 parts of aramid fiber；10 parts of cashew nut oil modified alkyd resin；10 parts of potassium titanate crystal whisker；8 parts of nitrile rubber powder；Graphite particle 8
Part；4 parts of mica；6 parts of miberal powder；5 parts of coke powder；16 parts of calcium sulfate；5 parts of expanded vermiculite；3 parts of modifying agent；Organic Frication powder 13
Part.
Wherein, a kind of preparation method without copper ceramic-based friction material, comprises the following steps：
a：Dispensing：Each component materials is weighed by said ratio；
b：Batch mixing：The step a each component materials matched are placed in batch mixing in batch mixer, by its temperature control at 120 DEG C, adopted
It is 3000r/min stir mixing 20min with mixing speed,
c：It is compressing：Will be compressing in the batch mixing addition hot pressing die core rod obtained by step b, press temperature control is existed
180 DEG C, it is vented 6 times, the time is 16s, and pressing pressure is 400kgf/cm2, the dwell time is 250s.
d：Heat treatment:The compressing products of step c are placed in into baking box to be heat-treated, by oven temperature in 45min
From room temperature to 180 DEG C, 30min is incubated；Baking box is warming up to 400 DEG C in 1h from 180 DEG C again, 60min is incubated；Again will be roasting
Case is warming up to 500 DEG C in 30min from 400 DEG C, insulation 120min and then obtains semi-finished product to room temperature by baking box is air-cooled,
e：Machining：Semi-finished product obtained by step d are ground according to dimensions, slotted and chamfered.
The beneficial effects of the invention are as follows：
1st, it is excellent that ceramic frication material produced by the present invention has stable friction factor, anti-wear performance good and impact strength is strong etc.
Point；
2nd, the present invention substitutes the copper fiber in ceramic formula using potassium titanate crystal whisker, calcium sulfate, effectively reduces friction dust, keeps away
The Cu-W ore deposit problem of copper fiber generation, environmental protection, with good social benefit are exempted from；
3rd, the present invention replaces copper using graphite particle, in the case where not changing friction material heat conductivility, improves brakes
Noise and vibrations performance；
4th, the present invention is free of copper component, is difficult rust corrosion, can be widely applied to brake system of car.
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. one kind is without copper ceramic-based friction material, it is characterised in that：Raw material composition including following parts by weight：Ceramic fibre 10-
15 parts；2-8 parts of carbon fiber；1-5 parts of aramid fiber；8-10 parts of cashew nut oil modified alkyd resin；9-10 parts of potassium titanate crystal whisker；
6-8 parts of nitrile rubber powder；6-8 parts of graphite particle；2-4 parts of mica；4-6 parts of miberal powder；3-5 parts of coke powder；12-16 parts of calcium sulfate；
3-5 parts of expanded vermiculite；2-3 parts of modifying agent；Organic Frication powder 9-13 parts.
2. one kind according to claim 1 is without copper ceramic-based friction material, it is characterised in that：Include the original of following parts by weight
Material composition：10 parts of ceramic fibre；2 parts of carbon fiber；1 part of aramid fiber；8 parts of cashew nut oil modified alkyd resin；Potassium titanate crystal whisker
9 parts；6 parts of nitrile rubber powder；6 parts of graphite particle；2 parts of mica；4 parts of miberal powder；3 parts of coke powder；12 parts of calcium sulfate；Expanded vermiculite 3
Part；2 parts of modifying agent；Organic 9 parts of Frication powder.
3. one kind according to claim 1 is without copper ceramic-based friction material, it is characterised in that：Include the original of following parts by weight
Material composition：15 parts of ceramic fibre；8 parts of carbon fiber；5 parts of aramid fiber；10 parts of cashew nut oil modified alkyd resin；Potassium titanate is brilliant
Must be 10 parts；8 parts of nitrile rubber powder；8 parts of graphite particle；4 parts of mica；6 parts of miberal powder；5 parts of coke powder；16 parts of calcium sulfate；Expand leech
5 parts of stone；3 parts of modifying agent；Organic 13 parts of Frication powder.
4. one kind according to claims 1 to 3 any one is without copper ceramic-based friction material, it is characterised in that：The stone
The particle size range of black particle is 20-100 μm.
5. one kind according to claims 1 to 3 any one is without copper ceramic-based friction material, it is characterised in that：It is described to change
Good dose is that TORCO limits sliding/friction modifying agent.
6. a kind of preparation method without copper ceramic-based friction material, it is characterised in that：Comprise the following steps：
a：Dispensing：Each component materials is weighed by said ratio；
b：Batch mixing：The step a each component materials matched are placed in batch mixing in batch mixer, by its temperature control in 80-120
DEG C, mixing speed is used for 1000-3000r/min stir mixings 10-20min；
c：It is compressing：Will be compressing in the batch mixing addition hot pressing die core rod obtained by step b, press temperature control is existed
140-180 DEG C, it is vented 4-6 times, the time is 12-16s, and pressing pressure is 350-400kgf/cm2, the dwell time is 200-250s；
d：Heat treatment:The compressing products of step c are placed in into baking box to be heat-treated, by oven temperature in 45min from room
Temperature is warming up to 180 DEG C, is incubated 20-30min；Baking box is warming up to 400 DEG C in 1h from 180 DEG C again, 45-60min is incubated；Again will
Baking box is warming up to 500 DEG C in 30min from 400 DEG C, insulation 60-120min and then obtains semi-finished product to room temperature by baking box is air-cooled,
e：Machining：Semi-finished product obtained by step d are ground according to dimensions, slotted and chamfered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710439470.1A CN107129794A (en) | 2017-06-12 | 2017-06-12 | One kind is without copper ceramic-based friction material and preparation method thereof |
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| CN201710439470.1A CN107129794A (en) | 2017-06-12 | 2017-06-12 | One kind is without copper ceramic-based friction material and preparation method thereof |
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Application publication date: 20170905 |