CN108167358A - A kind of composite brake sheet and preparation method thereof - Google Patents
A kind of composite brake sheet and preparation method thereof Download PDFInfo
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- CN108167358A CN108167358A CN201711442131.5A CN201711442131A CN108167358A CN 108167358 A CN108167358 A CN 108167358A CN 201711442131 A CN201711442131 A CN 201711442131A CN 108167358 A CN108167358 A CN 108167358A
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- 239000002131 composite material Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 49
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 40
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 36
- 239000011347 resin Substances 0.000 claims abstract description 36
- 229920005989 resin Polymers 0.000 claims abstract description 36
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 30
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 30
- 239000000835 fiber Substances 0.000 claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000010949 copper Substances 0.000 claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 claims abstract description 26
- 229920000742 Cotton Polymers 0.000 claims abstract description 25
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 25
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000919 ceramic Substances 0.000 claims abstract description 24
- 239000013078 crystal Substances 0.000 claims abstract description 24
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims description 30
- 239000006260 foam Substances 0.000 claims description 23
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 21
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 16
- DRVWBEJJZZTIGJ-UHFFFAOYSA-N cerium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Ce+3].[Ce+3] DRVWBEJJZZTIGJ-UHFFFAOYSA-N 0.000 claims description 13
- 230000004048 modification Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims 2
- 229920002994 synthetic fiber Polymers 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 13
- 239000002783 friction material Substances 0.000 description 12
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 12
- 238000012360 testing method Methods 0.000 description 8
- 238000000748 compression moulding Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 159000000003 magnesium salts Chemical class 0.000 description 6
- 159000000000 sodium salts Chemical class 0.000 description 5
- 230000003628 erosive effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 241000357293 Leptobrama muelleri Species 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 1
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 229910052601 baryte Inorganic materials 0.000 description 1
- 239000010428 baryte Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 229940041616 menthol Drugs 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- 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—Composition of linings ; Methods of manufacturing
- F16D69/023—Composite materials containing carbon and carbon fibres or fibres made of carbonizable material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
-
- 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
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0023—Shaping by pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of composite brake sheets and its preparation method and application, include the raw material components of following parts by weight：2~20 parts of potassium titanate crystal whisker, 5~20 parts of zinc powder, 1~15 part of calcium hydroxide, 0.5~10 part of Frication powder, 1~15 part of aramid fiber, 2~18 parts of resin, 5~20 parts of copper cotton and 5~30 parts of ceramic fibre.The present invention is compatible with calcium hydroxide by zinc powder; zinc powder is strong with oxidisability; it can be as the protection pole of brake disc in brake process; make zinc powder while with calcium hydroxide reaction; charge is transferred completely on brake disc; so as to protect brake disc from corrosion, prevent brake disc from getting rusty and lead to brake disc and brake block phase adhesion.
Description
Technical field
The invention belongs to technical field of automobile parts more particularly to a kind of composite brake sheet and preparation method thereof and use
On the way.
Background technology
Friction material is a kind of component applied on dynamic power machine, braking and transmission agency are performed by rubbing action
Material.It mainly includes brake facing (brake block) and clutch surface (clutch disc).Brake block is for braking, clutch
Piece is used to be driven.Any mechanical equipment and the various vehicles of movement all must have braking or gearing.Friction material is this
Critical piece in kind braking or gearing.Its most important function is absorbed or passing power by rubbing.Such as from
Clutch piece passing power, brake(-holder) block absorb kinetic energy.They enable mechanical equipment safely and reliably to work with various motor vehicles.
Thus friction material is that one kind is widely used and very crucially material.The characteristics of friction material is that have good friction coefficient
And abrasion resistance properties, while there is certain heat resistance and mechanical strength, the property of the transmission and braking of vehicle or machinery can be met
It can requirement.They are widely used on all kinds of engineering mechanical devices such as automobile, train, aircraft, oil-well rig.Civil goods is as certainly
Driving, washing machine etc. are as the transmission of power or the indispensable material of braking deceleration.
It can be divided into asbestos-type brake pad, semipermanent mold brake block for brake block of the prior art.Asbestos-type brake pad
Friction material mainly based on asbestos fibre, the harmful substance of asbestos, and braking effect is poor.Semipermanent mold is braked
The friction material of piece is using coarse steel wool as fiber and important mixture is reinforced, and needs higher braking pressure when in use
Power, while the noise generated is larger.In order to solve the above-mentioned technical problem, occur correspondingly modified scheme in the prior art, carry
Friction material for the Multicomponent phase compatibility for reducing tenor, such as the patent of invention that application publication number is CN105131903A
A kind of micro-metal brake pad and its production technology are disclosed, is related to brake block processing art field, including steel back and friction material,
The friction material is by aramid fiber, resin, copper fiber, Frication powder, crystalline flake graphite, molybdenum disulfide, barite, mica powder, silicon
Algae powder and menthol composition, by weighing raw material, mixed raw material, compression moulding, steel back processing, press compacting, post-processing, attached
Part installs the brake block that finished product is made.The friction material production cost that it is used is relatively low, and braking effect is good, and friction coefficient is more
Steadily, wear rate is moderate, noiseless, heat resistanceheat resistant decline better performances in braking process.Fragrance is given out in friction process, simultaneously
The dirt on wheel hub can be cleaned.
But the invention brake block, in use as vehicle is chronically exposed to outer, working environment is again relatively more severe, passes through
Normal discontinuity receives the test of high temperature and low temperature, and when parking outdoor for a long time or being located in moister environment, then its steel is by surface
Some rusty stains are easily generated, and these rusty stains can make brake block stick together therewith, seriously affect braking effect and braking comfort level.
Invention content
The present invention is directed to the technical issues of above-mentioned, proposes a kind of composite brake sheet and its preparation method and application.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of composite brake sheet includes the raw material components of following parts by weight：2~20 parts of potassium titanate crystal whisker, 5~20 parts
Zinc powder, 1~15 part of calcium hydroxide, 0.5~10 part of Frication powder, 1~15 part of aramid fiber, 2~18 parts of resin, 5~20
The copper cotton of part and 5~30 parts of ceramic fibre.
Preferably, include the raw material components of following parts by weight：6~10 parts of potassium titanate crystal whisker, 7~15 parts of zinc
Powder, 5~12 parts of calcium hydroxide, 2~6 parts of Frication powder, 5~10 parts of aramid fiber, 6~12 parts of resin, 8~15 parts of copper cotton
With 8~20 parts of ceramic fibre.
Preferably, the ratio of weight and number of the zinc powder and calcium hydroxide is 9：8.
Preferably, the resin is Si modification resin.The Si modification resin compares ordinary resin, Si modification tree
Fat is more resistant to high temperature.
Preferably, further include the foam ferrous powder that parts by weight are 1~20 part.
Preferably, further include the foam ferrous powder that parts by weight are 5~10 parts.
Preferably, further include the spherical cerium oxides that parts by weight are 2~8 parts.The addition of spherical cerium oxides can reduce pair
Even abrasion, makes antithesis bright and clean, and reduction falls ash, improves friction coefficient.Similar diamond shape cerium oxide is compared, it is found that spherical cerium oxides are being rubbed
It is showed in the functional performance of wiping material more superior.
A kind of preparation method of above-mentioned composite brake sheet, includes the following steps：First take aramid fiber, Frication powder and potassium titanate crystal whisker
It adds in batch mixer and is mixed for the first time, then copper cotton and ceramic fibre is taken to add in batch mixer and carry out secondary mixing,
Zinc powder, calcium hydroxide and resin is finally taken to add in batch mixer take out after being mixed three times, is answered after repressed molding
Close brake block.
Preferably, a length of 10min during the first mixing, mixture temperature is not higher than 70 DEG C；Secondary mixing
Shi Changwei 3min, mixture temperature are not higher than 80 DEG C；A length of 15min when being mixed three times, mixture temperature are not higher than 60 DEG C.
Preferably, foam ferrous powder and spherical cerium oxides are also added in the raw material being mixed three times.
Compared with prior art, the advantages and positive effects of the present invention are：
1st, composite brake sheet provided by the invention has used zinc powder and calcium hydroxide, and zinc powder has oxidisability strong, braking
In the process can be as the protection pole of brake disc, while with calcium hydroxide reaction, charge is transferred completely on brake disc zinc powder,
So as to protect brake disc from corrosion, prevent brake disc from getting rusty and lead to brake disc and brake block phase adhesion.
2nd, traditional common iron powder is replaced using foam ferrous powder in composite brake sheet provided by the invention, relative to common iron
Powder, foam ferrous powder is for other than adjusting frictional behaviour, stablizing friction coefficient, foam ferrous powder to be because of it in the friction material of brake block
Distinctive porous structure and the relatively small characteristic of density, conducive to the frequency that this formulation product brake oil in use occurs is reduced
Rate.
Description of the drawings：
Fig. 1 is that 4 composite brake sheet of embodiment simulates the experimental result view that parking rust adhesive test is placed one day；
Fig. 2 is that 4 composite brake sheet of embodiment simulates the experimental result view that parking rust adhesive test is placed three days；
Fig. 3 is that 4 composite brake sheet of embodiment simulates the experimental result view that parking rust adhesive test is placed six days.
Specific embodiment
The technical solution in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained without making creative work belong to the model that the present invention protects
It encloses.
A kind of composite brake sheet includes the raw material components of following parts by weight：2~20 parts of potassium titanate crystal whisker, 5~20 parts
Zinc powder, 1~15 part of calcium hydroxide, 0.5~10 part of Frication powder, 1~15 part of aramid fiber, 2~18 parts of resin, 5~20
The copper cotton of part and 5~30 parts of ceramic fibre.
Wherein the present invention is compatible with calcium hydroxide by zinc powder, using the strong oxidizing property of zinc powder, can make in brake process
For the protection pole of brake disc, while with calcium hydroxide reaction, charge is transferred completely on brake disc zinc powder, is stopped so as to protect
Hull prevents brake disc from getting rusty and leads to brake disc and brake block phase adhesion from corrosion.
In an alternative embodiment, include the raw material components of following parts by weight：6~10 parts of potassium titanate crystal whisker, 7~15
Part zinc powder, 5~12 parts of calcium hydroxide, 2~6 parts of Frication powder, 5~10 parts of aramid fiber, 6~12 parts of resin, 8~15 parts
Copper cotton and 8~20 parts of ceramic fibre.
In a preferred embodiment, include the raw material components of following parts by weight：7 parts of potassium titanate crystal whisker, 9 parts of zinc
Powder, 8 parts of calcium hydroxide, 5 parts of Frication powder, 8 parts of aramid fiber, 11 parts of resin, 12 parts of copper cotton and 15 parts of ceramic fibre.
In an alternative embodiment, the ratio of weight and number of the zinc powder and calcium hydroxide is 9：8.
Under the proportioning of above-mentioned zinc powder and calcium hydroxide, brake block antiseptic property of the invention is best.
In an alternative embodiment, the resin is Si modification resin.Si modification resin, compares ordinary resin, and silicon changes
Property resin is more resistant to high temperature.
In an alternative embodiment, the foam ferrous powder that parts by weight are 1~20 part is further included.
In an alternative embodiment, the foam ferrous powder that parts by weight are 5~10 parts is further included.
In a preferred embodiment, the foam ferrous powder that parts by weight are 8 parts is further included.
In an alternative embodiment, the spherical cerium oxides that parts by weight are 2~8 parts are further included.The addition of spherical cerium oxides
Antithesis abrasion can be reduced, make antithesis bright and clean, reduction falls ash, improves friction coefficient.Similar diamond shape cerium oxide is compared, finds spherical oxygen
Change cerium shows more superior in the functional performance of friction material.
A kind of preparation method of above-mentioned composite brake sheet, includes the following steps：First take aramid fiber, Frication powder and potassium titanate crystal whisker
It adds in batch mixer and is mixed for the first time, then copper cotton and ceramic fibre is taken to add in batch mixer and carry out secondary mixing,
Zinc powder, calcium hydroxide and resin is finally taken to add in batch mixer take out after being mixed three times, is answered after repressed molding
Close brake block.
In an alternative embodiment, a length of 10min during the first mixing, mixture temperature is not higher than 70 DEG C；It is secondary
A length of 3min during mixing, mixture temperature are not higher than 80 DEG C；A length of 15min when being mixed three times, mixture temperature are not higher than
60℃。
In an alternative embodiment, foam ferrous powder and spherical oxidation are also added in the raw material being mixed three times
Cerium.
In order to become apparent from introducing in detail a kind of composite brake sheet that the embodiment of the present invention provided and preparation method thereof and
Purposes is described below in conjunction with specific embodiment.
Embodiment 1：A kind of composite brake sheet includes the raw material components of following parts by weight：2 parts of potassium titanate crystal whisker, 20
The zinc powder, 1 part of calcium hydroxide, 10 parts of Frication powder, 1 part of aramid fiber, 18 parts of resin, 5 parts of copper cotton and 30 parts of pottery of part
Porcelain fiber.
A kind of preparation method of above-mentioned composite brake sheet, includes the following steps：Aramid fiber, friction are first taken by above-mentioned parts by weight
Powder and potassium titanate crystal whisker are added in batch mixer to be mixed for the first time, then copper cotton and ceramic fibre is taken to add in batch mixer and carry out
Secondary mixing finally takes zinc powder, calcium hydroxide and resin to add in batch mixer and taken out after being mixed three times, repressed
Composite brake sheet is obtained after molding.
Embodiment 2：A kind of composite brake sheet includes the raw material components of following parts by weight：2 parts of potassium titanate crystal whisker, 20
Part foam ferrous powder, 5 parts of zinc powder, 15 parts of calcium hydroxide, 0.5 part of Frication powder, 15 parts of aramid fiber, 2 parts of resin, 20 parts
Copper cotton and 5 parts of ceramic fibre.
A kind of preparation method of above-mentioned composite brake sheet, includes the following steps：Aramid fiber, friction are first taken by above-mentioned parts by weight
Powder and potassium titanate crystal whisker, which are added in batch mixer, carries out first mixing 10min, and mixture temperature is not higher than 70 DEG C, then takes copper cotton
Batch mixer is added in ceramic fibre and carries out secondary mixing 3min, and mixture temperature is not higher than 80 DEG C, finally takes zinc powder, hydroxide
Calcium, resin and foam ferrous powder add in batch mixer and 15min are mixed three times, and mixture temperature is not higher than 60 DEG C, is passed through after taking-up
Composite brake sheet is obtained after compression moulding.
Embodiment 3：A kind of composite brake sheet includes the raw material components of following parts by weight：7 parts of potassium titanate crystal whisker, 10
Part foam ferrous powder, 8 parts of zinc powder, 11 parts of calcium hydroxide, 4 parts of Frication powder, 8 parts of aramid fiber, 9 parts of resin, 13 parts
Copper cotton, 10 parts of ceramic fibre and 2 parts of spherical cerium oxides.
A kind of preparation method of above-mentioned composite brake sheet, includes the following steps：Aramid fiber, friction are first taken by above-mentioned parts by weight
Powder and potassium titanate crystal whisker, which are added in batch mixer, carries out first mixing 10min, and mixture temperature is not higher than 70 DEG C, then takes copper cotton
Batch mixer is added in ceramic fibre and carries out secondary mixing 3min, and mixture temperature is not higher than 80 DEG C, finally takes zinc powder, hydroxide
Calcium, resin, foam ferrous powder and spherical cerium oxides add in batch mixer and 15min are mixed three times, and mixture temperature is not higher than 60
DEG C, composite brake sheet is obtained after taking-up after compression moulding.
Embodiment 4：A kind of composite brake sheet includes the raw material components of following parts by weight：7 parts of potassium titanate crystal whisker, 8 parts
Foam ferrous powder, 9 parts of zinc powder, 8 parts of calcium hydroxide, 5 parts of Frication powder, 8 parts of aramid fiber, 11 parts of resin, 12 parts of copper
Cotton, 15 parts of ceramic fibre and 5 parts of spherical cerium oxides.
A kind of preparation method of above-mentioned composite brake sheet, includes the following steps：Aramid fiber, friction are first taken by above-mentioned parts by weight
Powder and potassium titanate crystal whisker, which are added in batch mixer, carries out first mixing 10min, and mixture temperature is not higher than 70 DEG C, then takes copper cotton
Batch mixer is added in ceramic fibre and carries out secondary mixing 3min, and mixture temperature is not higher than 80 DEG C, finally takes zinc powder, hydroxide
Calcium, resin, foam ferrous powder and spherical cerium oxides add in batch mixer and 15min are mixed three times, and mixture temperature is not higher than 60
DEG C, composite brake sheet is obtained after taking-up after compression moulding.
Embodiment 5：A kind of composite brake sheet includes the raw material components of following parts by weight：8 parts of potassium titanate crystal whisker, 5 parts
Foam ferrous powder, 13 parts of zinc powder, 8 parts of calcium hydroxide, 5 parts of Frication powder, 7 parts of aramid fiber, 10 parts of resin, 9 parts of copper
Cotton, 15 parts of ceramic fibre and 8 parts of spherical cerium oxides.
A kind of preparation method of above-mentioned composite brake sheet, includes the following steps：Aramid fiber, friction are first taken by above-mentioned parts by weight
Powder and potassium titanate crystal whisker, which are added in batch mixer, carries out first mixing 10min, and mixture temperature is not higher than 70 DEG C, then takes copper cotton
Batch mixer is added in ceramic fibre and carries out secondary mixing 3min, and mixture temperature is not higher than 80 DEG C, finally takes zinc powder, hydroxide
Calcium, resin, foam ferrous powder and spherical cerium oxides add in batch mixer and 15min are mixed three times, and mixture temperature is not higher than 60
DEG C, composite brake sheet is obtained after taking-up after compression moulding.
Embodiment 6：A kind of composite brake sheet includes the raw material components of following parts by weight：20 parts of potassium titanate crystal whisker, 1
Part foam ferrous powder, 20 parts of zinc powder, 1 part of calcium hydroxide, 10 parts of Frication powder, 1 part of aramid fiber, 18 parts of resin, 5 parts
Copper cotton and 30 parts of ceramic fibre.
A kind of preparation method of above-mentioned composite brake sheet, includes the following steps：Aramid fiber, friction are first taken by above-mentioned parts by weight
Powder and potassium titanate crystal whisker, which are added in batch mixer, carries out first mixing 10min, and mixture temperature is not higher than 70 DEG C, then takes copper cotton
Batch mixer is added in ceramic fibre and carries out secondary mixing 3min, and mixture temperature is not higher than 80 DEG C, finally takes zinc powder, hydroxide
Calcium, resin and foam ferrous powder add in batch mixer and 15min are mixed three times, and mixture temperature is not higher than 60 DEG C, is passed through after taking-up
Composite brake sheet is obtained after compression moulding.
Embodiment 7：A kind of composite brake sheet includes the raw material components of following parts by weight：20 parts of potassium titanate crystal whisker, 5
Part zinc powder, 15 parts of calcium hydroxide, 0.5 part of Frication powder, 15 parts of aramid fiber, 2 parts of resin, 20 parts of copper cotton and 5 parts
Ceramic fibre.
A kind of preparation method of above-mentioned composite brake sheet, includes the following steps：Aramid fiber, friction are first taken by above-mentioned parts by weight
Powder and potassium titanate crystal whisker, which are added in batch mixer, carries out first mixing 10min, and mixture temperature is not higher than 70 DEG C, then takes copper cotton
Batch mixer is added in ceramic fibre and carries out secondary mixing 3min, and mixture temperature is not higher than 80 DEG C, finally takes zinc powder, hydroxide
Calcium and resin add in batch mixer and 15min are mixed three times, and mixture temperature is not higher than 60 DEG C, after taking-up after compression moulding
Obtain composite brake sheet.
Experimental example 1：The obtained composite brake sheet simulation parking rust adhesive test of Examples 1 to 7：
Test component：1~7 obtained composite brake sheet of Example takes commercially available brake block as experimental group 1~7
As a control group 1.
Experimental method：Respectively 2 minutes 5% (92.1% sodium salt and 7.9% magnesium salts) water is sprayed to carrying out rust cementitious product
After corrosion, parking brake is static under the conditions of the intensifying force parking when simulating 20 degree of on-grade parkings, places one day, detects respectively
Torque when disk and the brake block of experimental group and control group start mobile, and observe the rusty stain feelings of detection plate and brake block contact surface
Condition.Again it after (92.1% sodium salt and 7.9% magnesium salts) scale erosion in 2 minutes 5% is sprayed after completion aforesaid operations, places three days, respectively
The torque when brake block of detection plate and experimental group and control group starts mobile, and observe the rusty stain of detection plate and brake block contact surface
Situation.Again it after (92.1% sodium salt and 7.9% magnesium salts) scale erosion in 2 minutes 5% is sprayed after completion aforesaid operations, places six days, point
The torque when brake block of other detection plate and experimental group and control group starts mobile, and observe detection plate and brake block contact surface
Rusty stain situation.
Experimental result is as shown in table 1.The photo of obtained detection plate and brake disc is as shown in Figures 1 to 3.
1 composite brake sheet of table simulation parking rust adhesive test result
As shown in Table 1, composite brake sheet of the invention can effective protection brake disc from corrosion, effectively prevent brake disc
Lead to brake disc and brake block phase adhesion when getting rusty.By taking embodiment 4 as an example, it is taken to simulate the photo of parking rust adhesive test,
As shown in Figure 1, Figure 2 and Figure 3, Fig. 1 is carrying out rust cementitious product 2 minutes 5% (92.1% sodium of spray for brake block described in embodiment 4
Salt and 7.9% magnesium salts) scale erosion after, parking brake is static under the conditions of the intensifying force parking when simulating 20 degree of on-grade parkings,
It places one day, is observed after detection plate is detached with brake block movement and do not generate rust on detection plate and the face that brake block is in contact
Mark；Fig. 2 is carrying out rust cementitious product 2 minutes 5% (92.1% sodium salt and 7.9% magnesium salts) water of spray for brake block described in embodiment 4
After corrosion, parking brake is static under the conditions of the intensifying force parking when simulating 20 degree of on-grade parkings, places three days, by detection plate
Detection plate is observed after being detached with brake block movement and face that brake block is in contact only produces fragmentary rusty stain in edge；Figure
Brake block described in 3 embodiments 4 after carrying out rust cementitious product and spraying the erosion of 2 minutes 5% (92.1% sodium salt and 7.9% magnesium salts) scales,
Parking brake is static under the conditions of the intensifying force parking when simulating 20 degree of on-grade parkings, places six days, by detection plate and brake
Detection plate is observed after piece movement separation and face that brake block is in contact only produces local rusty stain in edge；By table 1 and Fig. 1
Result shown in~3 is it is found that the rust bonding moment values of the composite brake sheet acquired in the embodiment of the present invention are qualified, and embodiment 1
The result of~7 detections is superior to control group 1, equally also demonstrates the composite brake sheet of the present invention because zinc powder is strong with oxidisability,
Can be as the protection pole of brake disc in brake process, for zinc powder while with calcium hydroxide reaction, charge is transferred completely into brake
On hull, so as to protect brake disc from corrosion, prevent brake disc from getting rusty and lead to brake disc and the effect of brake block phase adhesion
Effect.Wherein embodiment 4 is most preferred embodiment, prevents brake disc from getting rusty and leads to brake disc and the effect of brake block phase adhesion
Fruit is best.
Claims (10)
1. a kind of composite brake sheet, which is characterized in that include the raw material components of following parts by weight：2~20 parts of potassium titanate is brilliant
Must, 5~20 parts of zinc powder, 1~15 part of calcium hydroxide, 0.5~10 part of Frication powder, 1~15 part of aramid fiber, 2~18 parts
Resin, 5~20 parts of copper cotton and 5~30 parts of ceramic fibre.
2. composite brake sheet according to claim 1, which is characterized in that include the raw material components of following parts by weight：6~
10 parts of potassium titanate crystal whisker, 7~15 parts of zinc powder, 5~12 parts of calcium hydroxide, 2~6 parts of Frication powder, 5~10 parts of virtue
Synthetic fibre, 6~12 parts of resin, 8~15 parts of copper cotton and 8~20 parts of ceramic fibre.
3. according to claims 1 or 2 any one of them composite brake sheet, which is characterized in that the zinc powder and calcium hydroxide
Ratio of weight and number is 9：8.
4. according to claims 1 or 2 any one of them composite brake sheet, which is characterized in that the resin is Si modification tree
Fat.
5. composite brake sheet according to claim 1 or 2, which is characterized in that further include the bubble that parts by weight are 1~20 part
Foam iron powder.
6. composite brake sheet according to claim 5, which is characterized in that further include the foam that parts by weight are 5~10 parts
Iron powder.
7. composite brake sheet according to claim 1 or 2, which is characterized in that further include the ball that parts by weight are 2~8 parts
Shape cerium oxide.
8. a kind of preparation method of claim 1~7 any one of them composite brake sheet, which is characterized in that including following step
Suddenly：Aramid fiber, Frication powder and potassium titanate crystal whisker is first taken to add in batch mixer to be mixed for the first time, then takes copper cotton and ceramics fine
Dimension adds in batch mixer and carries out secondary mixing, and zinc powder, calcium hydroxide and resin is finally taken to add in batch mixer and is mixed three times
It is taken out after stirring, composite brake sheet is obtained after repressed molding.
9. the preparation method of composite brake sheet according to claim 8, which is characterized in that the first mixing duration
For 10min, mixture temperature is not higher than 70 DEG C；A length of 3min during secondary mixing, mixture temperature are not higher than 80 DEG C；It mixes three times
A length of 15min during stirring, mixture temperature are not higher than 60 DEG C.
10. the preparation method of brake block according to claim 8, which is characterized in that the raw material being mixed three times
In also be added with foam ferrous powder and spherical cerium oxides.
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| CN112855814A (en) * | 2021-02-07 | 2021-05-28 | 湖南博云汽车制动材料有限公司 | Low-noise antirust and adhesive drum brake pad for new energy vehicle and preparation method thereof |
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| CN114316507A (en) * | 2021-12-28 | 2022-04-12 | 重庆红宇摩擦制品有限公司 | Brake lining friction material and preparation method thereof |
| CN114316618A (en) * | 2021-12-31 | 2022-04-12 | 青岛方冠摩擦材料有限公司 | Ceramic fiber reinforced resin-based brake pad mixed material with low high-temperature resistance and wear resistance |
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