CN108285772B - Wear-resistant brake friction material based on alloy silicon-basalt fiber composite material and preparation method thereof - Google Patents
Wear-resistant brake friction material based on alloy silicon-basalt fiber composite material and preparation method thereof Download PDFInfo
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- CN108285772B CN108285772B CN201810071870.6A CN201810071870A CN108285772B CN 108285772 B CN108285772 B CN 108285772B CN 201810071870 A CN201810071870 A CN 201810071870A CN 108285772 B CN108285772 B CN 108285772B
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- 239000002783 friction material Substances 0.000 title claims abstract description 43
- 239000002131 composite material Substances 0.000 title claims abstract description 41
- 229920002748 Basalt fiber Polymers 0.000 title claims abstract description 40
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 40
- 239000000956 alloy Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002657 fibrous material Substances 0.000 claims abstract description 19
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005299 abrasion Methods 0.000 claims abstract description 16
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 16
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 14
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 11
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 11
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 10
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 10
- 239000005011 phenolic resin Substances 0.000 claims abstract description 10
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 9
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims abstract description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 8
- 239000011651 chromium Substances 0.000 claims abstract description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 5
- 239000011572 manganese Substances 0.000 claims abstract description 5
- 239000004575 stone Substances 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000011812 mixed powder Substances 0.000 claims description 16
- 239000002245 particle Substances 0.000 claims description 14
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 13
- 229910000077 silane Inorganic materials 0.000 claims description 13
- 238000000498 ball milling Methods 0.000 claims description 12
- 238000007731 hot pressing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- 239000007822 coupling agent Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 229910000629 Rh alloy Inorganic materials 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005491 wire drawing Methods 0.000 claims description 3
- BUZRAOJSFRKWPD-UHFFFAOYSA-N isocyanatosilane Chemical compound [SiH3]N=C=O BUZRAOJSFRKWPD-UHFFFAOYSA-N 0.000 claims description 2
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical group [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 21
- 229920005989 resin Polymers 0.000 abstract description 8
- 239000011347 resin Substances 0.000 abstract description 8
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- 239000010425 asbestos Substances 0.000 description 7
- 229910052895 riebeckite Inorganic materials 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- FRGPKMWIYVTFIQ-UHFFFAOYSA-N triethoxy(3-isocyanatopropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN=C=O FRGPKMWIYVTFIQ-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 239000011206 ternary composite Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- C09K3/149—Antislip compositions
-
- 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
- F16D69/027—Compositions based on metals or inorganic oxides
- F16D69/028—Compositions based on metals or inorganic oxides containing fibres
-
- 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
- F16D2200/0004—Materials; Production methods therefor metallic
-
- 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
- F16D2200/0052—Carbon
-
- 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
- F16D2200/0065—Inorganic, e.g. non-asbestos mineral fibres
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to an abrasion-resistant brake friction material based on an alloy silicon-basalt fiber composite material, which comprises the following components in parts by weight: 10-20 parts of phenolic resin; 4-12 parts of nitrile rubber; 15-24 parts of an alloy silicon-basalt fiber composite fiber material; 5-16 parts of mullite; 2-6 parts of graphene; 10-18 parts of silicon carbide; 0.5-5 parts of a silane coupling agent; the alloy silicon-basalt fiber composite fiber material consists of 90wt% of basalt stone, 7-8wt% of monocrystalline silicon, 0.5-1.5wt% of chromium and 0.5-1.5wt% of manganese. The invention belongs to the field of brake friction materials, and also discloses a preparation method of the material; the material has the advantages of better wear resistance and capability of effectively reducing resin decomposition.
Description
Technical Field
The invention belongs to the field of brake friction materials, and particularly relates to an alloy silicon-basalt fiber composite-based wear-resistant brake friction material and a preparation method thereof.
Background
The brake friction material is a component material which is applied to power machinery and performs braking and transmission functions by means of friction. The common brake friction material is a polymer ternary composite material, which is a physical and chemical complex. It is made up by using three main components of high-molecular adhesive (resin and rubber), reinforcing fibre and friction property regulator and other compounding agent through a series of processes. The friction material has the characteristics of good friction coefficient and wear resistance, certain heat resistance and mechanical strength, and capability of meeting the performance requirements of transmission and braking of vehicles or machinery. They are widely applied to various engineering mechanical equipment such as traffic vehicles, oil rigs and the like; and can be used as an indispensable material for transmitting power or braking deceleration. The automobile brake friction material is represented and roughly undergoes the following development stages: the first stage is a friction material made of phenolic resin filled with asbestos fibers, wherein the asbestos is made of silicate minerals and the composition of which contains a certain amount of crystal water. The speed of modern automobiles is improved, so that the surface temperature of a braking part is as high as 300-500 ℃. Asbestos friction materials have poor thermal conductivity and heat resistance, lose crystal water at about 400 ℃, and lose substantially the reinforcing effect at 550 ℃. After the asbestos is dehydrated, the friction is unstable, the working layer material is deteriorated, the abrasion is intensified, and the obvious phenomenon of 'heat fading' appears. In addition, the asbestos dust has carcinogenic effect in processing and using, and the use of the materials is limited. The second generation automobile brake friction material is a semi-metal graphite composite material. The main components of the brake pad are steel fiber, graphite, metal powder and auxiliary materials thereof, and the brake pad is bonded and formed by modified phenolic resin, so that the brake pad is named because the metal content in the brake pad accounts for half of the total weight. The countries such as the United states, Europe, Japan, etc. begin to be widely popularized and used in the 60 s. The wear resistance of the semi-metal sheet is improved by more than 25 percent compared with that of an asbestos sheet, and the semi-metal sheet has the advantages of high friction coefficient, good heat conductivity, easiness in processing and forming and the like, so that the semi-metal sheet is dominant in the market of brake pads in China at present. However, the product has the following disadvantages: the steel fiber is easy to rust, and is easy to adhere or easily damage the dual after being rusted, and the strength of the product is reduced and the abrasion is increased after being rusted; the heat conductivity is high, and the friction sheet layer is separated from the steel plate due to air resistance generated by a braking system at high temperature; the hardness is high, so that dual materials can be damaged, and vibration and low-frequency braking noise are generated; the density is high. The third generation automobile brake friction material is asbestos-free organic friction material (NAO). The brake disc mainly uses glass fiber, aromatic polyimide fiber or other fibers (carbon, ceramic and the like) as reinforcing materials, and has the main advantages of keeping good braking effect no matter at low temperature or high temperature, reducing abrasion and noise and prolonging the service life of the brake disc. The material of the NAO type brake pad has undergone several changes, the NAO material effectively exceeds the performance of the asbestos brake pad in many aspects, but the NAO material still takes resin base as a binding phase, and after high-temperature friction, the decomposition of the resin is relatively increased, so that the friction coefficient is greatly reduced, and the heat fading phenomenon of the material occurs. Meanwhile, the adhesive action of the resin is reduced due to a large amount of thermal decomposition of the resin, so that the material abrasion is aggravated and the thermal oxidation abrasion is serious.
Disclosure of Invention
The invention aims to provide an abrasion-resistant brake friction material based on an alloy silicon-basalt fiber composite material, which has better abrasion resistance and can effectively reduce resin decomposition, and the invention also discloses a preparation method of the material.
The technical scheme of the invention is as follows:
an abrasion-resistant brake friction material based on an alloy silicon-basalt fiber composite material comprises the following components in parts by weight:
the alloy silicon-basalt fiber composite fiber material consists of 90wt% of basalt stone, 7-8wt% of monocrystalline silicon, 0.5-1.5wt% of chromium and 0.5-1.5wt% of manganese.
In the wear-resistant brake friction material based on the alloy silicon-basalt fiber composite material, the silicon carbide refers to silicon carbide porous ceramic.
In the wear-resistant brake friction material based on the alloy silicon-basalt fiber composite material, the silane coupling agent refers to an aminosilane coupling agent or an isocyanatosilane coupling agent.
In the wear-resistant brake friction material based on the alloy silicon-basalt fiber composite material, the preparation method of the alloy silicon-basalt fiber composite material comprises the following steps: drying basalt powder, monocrystalline silicon, simple substance chromium and simple substance manganese, placing the dried basalt powder, monocrystalline silicon, simple substance chromium and simple substance manganese into a graphite crucible, smelting the graphite crucible in a vacuum induction furnace at the temperature of 1450-1500 ℃, and then forming the alloy silicon-basalt fiber composite fiber material by drawing wires through a platinum-rhodium alloy wire drawing bushing.
Meanwhile, the invention also discloses a preparation method of the wear-resistant brake friction material based on the alloy silicon-basalt fiber composite material, which specifically comprises the following steps:
(1) mixing and grinding the alloy silicon-basalt fiber composite fiber material, mullite, graphene and silicon carbide until the granularity is less than 50 meshes, adding a silane coupling agent, and stirring for reaction to obtain silane modified mixed powder;
(2) and (2) uniformly mixing the silane modified mixed powder obtained in the step (1) with phenolic resin particles and nitrile rubber particles, and performing hot-pressing curing molding to obtain the wear-resistant brake friction material.
In the preparation method of the wear-resistant brake friction material based on the alloy silicon-basalt fiber composite material, the mixing, grinding and stirring reaction process of adding the silane coupling agent in the step (1) are carried out in a ball mill, and the specific steps are as follows: adding the alloy silicon-basalt fiber composite fiber material, mullite, graphene and silicon carbide into a ball mill, performing ball milling until the granularity is less than 50 meshes, then adding a silane coupling agent dissolved by ethanol, performing wet ball milling reaction, and removing the ethanol after the reaction is finished to obtain silane modified mixed powder.
In the above preparation method of the abrasion-resistant brake friction material based on the alloy silicon-basalt fiber composite material, the specific conditions of the hot-press curing molding in the step (2) are as follows: the temperature is 150-180 ℃, and the pressure is 18-36 MPa.
The invention has the following beneficial effects:
according to the invention, the alloy silicon-basalt fiber composite fiber material and the graphene are matched to improve the friction resistance of the wear-resistant brake friction material, specifically, the basalt has high strength, corrosion resistance and high temperature resistance, meanwhile, the alloy silicon is used as an auxiliary material, the heat resistance and heat conductivity of the basalt can be improved, meanwhile, the graphene has excellent heat conductivity, the rapid heat transfer in the friction process can be realized, the heat resistance is excellent, the influence of high temperature on the resin material is reduced, and the wear resistance of the material is improved.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments, but the present invention is not limited thereto.
Example 1
The preparation method of the wear-resistant brake friction material provided by the embodiment comprises the following specific preparation steps:
(1) adding 24 parts by weight of alloy silicon-basalt fiber composite fiber material, 10 parts by weight of mullite powder, 2 parts by weight of graphene and 10 parts by weight of silicon carbide powder into a ball mill, performing ball milling until the granularity is less than 50 meshes, adding 5 parts by weight of aminopropyltriethoxysilane dissolved in ethanol, performing wet ball milling reaction, and removing the ethanol after the reaction is completed to obtain silane modified mixed powder.
The preparation method of the alloy silicon-basalt fiber composite fiber material comprises the following steps: drying 90 parts by weight of basalt powder, 7 parts by weight of monocrystalline silicon, 1.5 parts by weight of simple substance chromium and 1.5 parts by weight of simple substance manganese, placing the dried materials in a graphite crucible, smelting the materials in a vacuum induction furnace at the temperature of 1480 ℃, and then forming the alloy silicon-basalt fiber composite fiber material by drawing wires through a platinum-rhodium alloy wire drawing bushing.
(2) And (2) uniformly mixing the silane modified mixed powder obtained in the step (1) with 18 parts of phenolic resin particles and 7 parts of nitrile rubber particles, putting the mixture into a hot-pressing die, heating to 160 ℃, and carrying out hot-pressing curing molding under the condition that the pressure is 20MPa to obtain the wear-resistant brake friction material.
Example 2
The preparation method of the wear-resistant brake friction material provided by the embodiment comprises the following specific preparation steps:
(1) adding 18 parts by weight of an alloy silicon-basalt fiber composite fiber material, 15 parts by weight of mullite powder, 2 parts by weight of graphene and 10 parts by weight of silicon carbide porous ceramic (the silicon carbide porous ceramic can be prepared by the method disclosed in patent CN 102807391A) into a ball mill, ball-milling until the granularity is less than 50 meshes, adding 5 parts by weight of aminopropyltriethoxysilane dissolved by ethanol, carrying out wet ball-milling reaction, and removing ethanol after the reaction is finished to obtain silane-modified mixed powder.
(2) And (2) uniformly mixing the silane modified mixed powder obtained in the step (1) with 18 parts of phenolic resin particles and 7 parts of nitrile rubber particles, putting the mixture into a hot-pressing die, heating to 160 ℃, and carrying out hot-pressing curing molding under the condition that the pressure is 20MPa to obtain the wear-resistant brake friction material.
Example 3
The preparation method of the wear-resistant brake friction material provided by the embodiment comprises the following specific preparation steps:
(1) adding 15 parts by weight of an alloy silicon-basalt fiber composite fiber material, 5 parts by weight of mullite powder, 4 parts by weight of graphene and 18 parts by weight of silicon carbide porous ceramic (the silicon carbide porous ceramic can be prepared by the method disclosed in patent CN 102807391A) into a ball mill, ball-milling until the granularity is less than 50 meshes, adding 3 parts by weight of 3-isocyanatopropyltriethoxysilane dissolved by ethanol, carrying out wet ball-milling reaction, and removing ethanol after the reaction is finished to obtain silane modified mixed powder.
(2) And (2) uniformly mixing the silane modified mixed powder obtained in the step (1) with 20 parts of phenolic resin particles and 10 parts of nitrile rubber particles, putting the mixture into a hot-pressing die, heating to 150 ℃, and carrying out hot-pressing curing molding under the condition that the pressure is 30MPa to obtain the wear-resistant brake friction material.
Example 4
The preparation method of the wear-resistant brake friction material provided by the embodiment comprises the following specific preparation steps:
(1) adding 20 parts by weight of an alloy silicon-basalt fiber composite fiber material, 8 parts by weight of mullite powder, 6 parts by weight of graphene and 15 parts by weight of silicon carbide porous ceramic (the silicon carbide porous ceramic can be prepared by the method disclosed in patent CN 102807391A) into a ball mill, ball-milling until the granularity is less than 50 meshes, adding 2 parts by weight of 3-isocyanatopropyltriethoxysilane dissolved in ethanol, carrying out wet ball-milling reaction, and removing ethanol after the reaction is finished to obtain silane modified mixed powder.
(2) And (2) uniformly mixing the silane modified mixed powder obtained in the step (1) with 16 parts of phenolic resin particles and 12 parts of nitrile rubber particles, putting the mixture into a hot-pressing die, heating to 180 ℃, and carrying out hot-pressing curing molding under the condition that the pressure is 18MPa to obtain the wear-resistant brake friction material.
Comparative example 1
The preparation method of the brake friction material of the comparative example comprises the following specific preparation steps:
(1) according to the weight parts, 24 parts of basalt fiber, 16 parts of mullite powder, 2 parts of graphene, 10 parts of silicon carbide powder and 18 parts of monocrystalline silicon powder are mixed and ground to the granularity of less than 50 meshes, and then mixed powder is obtained.
(2) And (2) uniformly mixing the mixed powder obtained in the step (1), 18 parts of phenolic resin particles and 7 parts of nitrile rubber particles, putting the mixture into a hot-pressing die, heating to 160 ℃, and carrying out hot-pressing curing molding under the condition that the pressure is 20MPa to obtain the brake friction material.
The wear resistance of the brake friction materials obtained in the above examples and comparative examples was tested, the friction wear test was performed using an MM 1000-III type friction wear tester, the radius of the sample was 5cm, the friction wear test was performed on the sample at 6000r/min, and the wear rate of the material was measured, the results are shown in Table 1.
TABLE 1 abrasion Rate tables for examples 1-4 and comparative example 1
| Rate of wear | |
| Example 1 | 0.1％ |
| Example 2 | 0.2％ |
| Example 3 | 0.15％ |
| Example 4 | 0.11％ |
| Comparative example 1 | 1.8％ |
The results in table 1 show that the alloy silicon-basalt fiber composite material is adopted to be matched with the graphene material, so that the high-wear-resistance composite material achieves good wear-resistance and can inhibit the aging of resin.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (6)
1. The wear-resistant brake friction material based on the alloy silicon-basalt fiber composite material is characterized by comprising the following components in parts by weight:
10-20 parts of phenolic resin;
4-12 parts of nitrile rubber;
15-24 parts of an alloy silicon-basalt fiber composite fiber material;
5-16 parts of mullite;
2-6 parts of graphene;
10-18 parts of silicon carbide;
0.5-5 parts of a silane coupling agent;
the alloy silicon-basalt fiber composite fiber material consists of 90wt% of basalt stone, 7-8wt% of monocrystalline silicon, 0.5-1.5wt% of chromium and 0.5-1.5wt% of manganese;
the preparation method of the alloy silicon-basalt fiber composite fiber material comprises the following steps: drying basalt powder, monocrystalline silicon, simple substance chromium and simple substance manganese, placing the dried basalt powder, monocrystalline silicon, simple substance chromium and simple substance manganese into a graphite crucible, smelting the graphite crucible in a vacuum induction furnace at the temperature of 1450-1500 ℃, and then forming the alloy silicon-basalt fiber composite fiber material by drawing wires through a platinum-rhodium alloy wire drawing bushing.
2. The abrasion resistant brake friction material based on an alloy silicon-basalt fiber composite material according to claim 1, wherein the silicon carbide is silicon carbide porous ceramic.
3. The abrasion-resistant brake friction material based on the alloy silicon-basalt fiber composite material as recited in claim 1, wherein the silane coupling agent is an aminosilane coupling agent or an isocyanatosilane coupling agent.
4. A method for preparing an abrasion-resistant brake friction material based on an alloy silicon-basalt fiber composite material as claimed in any one of claims 1 to 3, characterized in that: the method specifically comprises the following steps:
(1) mixing and grinding the alloy silicon-basalt fiber composite fiber material, mullite, graphene and silicon carbide until the granularity is less than 50 meshes, adding a silane coupling agent, and stirring for reaction to obtain silane modified mixed powder;
(2) and (2) uniformly mixing the silane modified mixed powder obtained in the step (1) with phenolic resin particles and nitrile rubber particles, and performing hot-pressing curing molding to obtain the wear-resistant brake friction material.
5. The method for preparing the abrasion-resistant brake friction material based on the alloy silicon-basalt fiber composite material according to claim 4, wherein the method comprises the following steps: the mixing, grinding and adding silane coupling agent stirring reaction processes in the step (1) are carried out in a ball mill, and the specific steps are as follows: adding the alloy silicon-basalt fiber composite fiber material, mullite, graphene and silicon carbide into a ball mill, performing ball milling until the granularity is less than 50 meshes, then adding a silane coupling agent dissolved by ethanol, performing wet ball milling reaction, and removing the ethanol after the reaction is finished to obtain silane modified mixed powder.
6. The method for preparing the abrasion-resistant brake friction material based on the alloy silicon-basalt fiber composite material according to claim 5, wherein the method comprises the following steps: the specific conditions of the hot-press curing molding in the step (2) are as follows: the temperature is 150-180 ℃, and the pressure is 18-36 MPa.
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| CN1263058A (en) * | 1999-02-09 | 2000-08-16 | 李国斌 | Basalt long fibre, its production method and special-purpose production kiln |
| CN102618215A (en) * | 2012-02-23 | 2012-08-01 | 重庆红宇摩擦制品有限公司 | Regenerated automobile braking friction material and preparation method thereof |
| CN105837024A (en) * | 2016-03-28 | 2016-08-10 | 四川力久知识产权服务有限公司 | Preparation method of continuous basalt fibers |
| WO2017015650A1 (en) * | 2015-07-23 | 2017-01-26 | Inductotherm Corp. | Basalt processing via electric induction heating and melting |
| CN107084215A (en) * | 2017-04-25 | 2017-08-22 | 南宁市钱隆汽车租赁有限公司 | Automobile brake sheet |
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|---|---|---|---|---|
| CN1263058A (en) * | 1999-02-09 | 2000-08-16 | 李国斌 | Basalt long fibre, its production method and special-purpose production kiln |
| CN102618215A (en) * | 2012-02-23 | 2012-08-01 | 重庆红宇摩擦制品有限公司 | Regenerated automobile braking friction material and preparation method thereof |
| WO2017015650A1 (en) * | 2015-07-23 | 2017-01-26 | Inductotherm Corp. | Basalt processing via electric induction heating and melting |
| CN105837024A (en) * | 2016-03-28 | 2016-08-10 | 四川力久知识产权服务有限公司 | Preparation method of continuous basalt fibers |
| CN107084215A (en) * | 2017-04-25 | 2017-08-22 | 南宁市钱隆汽车租赁有限公司 | Automobile brake sheet |
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