CN107842569B - Friction structure and preparation method and application thereof - Google Patents

Friction structure and preparation method and application thereof Download PDF

Info

Publication number
CN107842569B
CN107842569B CN201711275666.8A CN201711275666A CN107842569B CN 107842569 B CN107842569 B CN 107842569B CN 201711275666 A CN201711275666 A CN 201711275666A CN 107842569 B CN107842569 B CN 107842569B
Authority
CN
China
Prior art keywords
friction structure
layer
friction
wear
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201711275666.8A
Other languages
Chinese (zh)
Other versions
CN107842569A (en
Inventor
吴佩芳
释加才让
党一纵
范叶明
崔新亮
王灿
解小花
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Tianyishangjia New Material Co Ltd
Original Assignee
Beijing Tianyishangjia New Material Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Tianyishangjia New Material Co Ltd filed Critical Beijing Tianyishangjia New Material Co Ltd
Priority to CN201711275666.8A priority Critical patent/CN107842569B/en
Publication of CN107842569A publication Critical patent/CN107842569A/en
Application granted granted Critical
Publication of CN107842569B publication Critical patent/CN107842569B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F16D69/027—Compositions based on metals or inorganic oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/18—Handling of layers or the laminate
    • B32B38/1808—Handling of layers or the laminate characterised by the laying up of the layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • 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
    • F16D69/04—Attachment of linings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/107—Ceramic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/08—Cars
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
    • C04B2235/3246—Stabilised zirconias, e.g. YSZ or cerium stabilised zirconia
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562—Heating rate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • 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
    • F16D2069/005—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces having a layered structure
    • 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
    • F16D69/04—Attachment of linings
    • F16D2069/0425—Attachment methods or devices
    • F16D2069/045—Bonding
    • F16D2069/0458—Bonding metallurgic, e.g. welding, brazing, sintering
    • 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
    • F16D69/04—Attachment of linings
    • F16D2069/0425—Attachment methods or devices
    • F16D2069/0491—Tools, machines, processes
    • 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
    • F16D2200/0043—Ceramic base, e.g. metal oxides or ceramic binder
    • 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
    • F16D2200/0078—Materials; Production methods therefor laminated
    • 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)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Powder Metallurgy (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention relates to the technical field of vehicle braking, in particular to a friction structure and a preparation method and application thereof, wherein the friction structure comprises the following components: the aluminum alloy comprises a wear-resistant layer and an interface transition layer, wherein the interface transition layer is suitable for connecting the wear-resistant layer and an aluminum alloy matrix, and a plurality of grooves are formed in one side, which is contacted with the aluminum alloy matrix, of the interface transition layer; the main raw materials of the wear-resistant layer and the interface transition layer are ceramic materials. The friction structure or the friction structure prepared by the preparation method is applied to vehicle braking, and has the advantages of higher interface bonding strength between the friction structure and a braking piece, stable braking piece structure, low production cost, long service life and excellent braking performance.

Description

Friction structure and preparation method and application thereof
Technical Field
The invention relates to the technical field of vehicle braking, in particular to a friction structure and a preparation method and application thereof.
Background
Along with the continuous increase of the environmental pressure, the higher requirements of various industries on energy conservation and emission reduction are not satisfied. In the automotive industry, on the one hand, the energy consumption of automobiles is reduced, and on the other hand, in order to further increase the unit travel distance of new energy automobiles, the weight reduction of automobiles is an important means and direction for solving these problems. According to the measurement and calculation of authorities, the weight reduction effect of the unsprung parts of the automobile is 8-15 times of the weight reduction effect of the automobile body, the brake disc is one of the most important unsprung parts of the automobile, and the weight reduction of the brake disc has important significance for the weight reduction of the automobile.
Because aluminum alloy is light but is not heat-resistant and wear-resistant, ceramic materials are heat-insulating and wear-resistant, so materials such as ceramic skeleton reinforced aluminum alloy, ceramic particle reinforced aluminum alloy and the like are adopted to replace the traditional cast iron brake disc in the prior art, for example, chinese patent document CN104235237B discloses a silicon carbide foam ceramic/aluminum alloy composite brake disc and a preparation method, the body of the brake disc is made of reinforced aluminum alloy materials such as nano ceramic particles or carbon nano tubes, the two symmetrical friction surfaces of the brake disc are integrally cast with silicon carbide foam ceramic frameworks, the brake disc is reduced in quality by adding foam ceramic, but the preparation process is to prepare foam ceramic by a foaming method, aluminum alloy melt is permeated into the foam ceramic for low-pressure casting, the friction surface of the sintered brake disc is still exposed with aluminum alloy, the defects such as low wear resistance, incapability of guaranteeing the strength and the size of the brake disc under high-temperature working conditions still exist, the dynamic balance of the brake disc is not up to standard, the added ceramic frameworks play a very little role, and the problems of the brake disc that the brake disc is not wear-resistant and the brake disc is not wear-resistant are not affected by the tolerance of the aluminum alloy are still solved.
In the prior art, a ceramic local reinforced aluminum-based composite material is also formed by compounding a wear-resistant layer on the surface of an aluminum alloy matrix of a brake disc, the wear-resistant layer is formed by mixing a ceramic framework material, a ceramic particle material and an adhesive and sintering the mixture under vacuum and high pressure, however, the brake disc is provided with the ceramic wear-resistant layer on the surface, so that the defect that the silicon carbide foam ceramic/aluminum alloy composite material brake disc is not wear-resistant is overcome, but the wear-resistant layer still cannot effectively isolate the conduction of friction heat to the aluminum alloy matrix, the aluminum alloy matrix is easy to deform, the interface bonding strength of the wear-resistant layer and the aluminum-based interface is poor, the shear force bearing strength requirement of actual brake working conditions on the brake disc is not met, the conditions of two-phase interface cracking and separation are easy to occur, the brake performance of the brake disc is seriously affected, and the production cost is high.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects of poor wear resistance, heat resistance and structural stability of the ceramic material reinforced aluminum alloy brake disc in the prior art, so as to provide a wear-resistant heat-insulating friction structure with stable structure.
Further provided is a method of making the friction structure described above.
There is further provided the use of the friction structure described above in vehicle braking.
The technical scheme adopted by the invention is as follows:
a friction structure comprising: the aluminum alloy comprises a wear-resistant layer and an interface transition layer, wherein the interface transition layer is suitable for connecting the wear-resistant layer and an aluminum alloy matrix, and a plurality of grooves are formed in one side, which is contacted with the aluminum alloy matrix, of the interface transition layer; the main raw materials of the wear-resistant layer and the interface transition layer are ceramic materials.
The grooves are in a grid shape.
The interface transition layer comprises 75-85 parts by weight of aluminum oxide and 15-25 parts by weight of liquid phase sintering auxiliary agent.
The liquid phase sintering aid comprises borosilicate glass and/or kaolin.
The raw materials of the wear-resistant layer comprise alumina and a solid phase sintering aid.
The solid phase sintering aid is copper oxide and/or titanium dioxide.
The raw materials of the wear-resistant layer comprise 60-75 parts by weight of aluminum oxide, 20-60 parts by weight of zirconium oxide, 0.1-1.7 parts by weight of phase stabilizer and 4-8 parts by weight of solid phase sintering auxiliary agent.
The wear-resistant layer comprises a friction layer and a heat insulation layer, and the heat insulation layer is arranged between the friction layer and the interface transition layer; the zirconia content in the thermal insulation layer is higher than the zirconia content in the friction layer.
The phase stabilizer is yttrium oxide, and the ratio of the content of yttrium oxide to the content of zirconium oxide is 0.0025:1-0.06:1.
The wear-resistant layer is characterized by further comprising a friction regulator and/or a forming agent, wherein the friction regulator is silicon nitride, and the forming agent is polyethylene with the weight of 5-10 parts.
The porosity of the friction layer is below 2%.
The alumina and/or zirconia is in powder form, the particle size of the alumina ranges from 1 to 20 mu m, and the particle size of the zirconia ranges from 200 to 500nm.
A method of making the friction structure comprising the steps of:
(1) Weighing and mixing the raw material components to obtain a wear-resistant layer mixture and an interface transition layer mixture respectively;
(2) Sequentially layering and paving the interface transition layer mixture and the wear-resistant layer mixture in a pressing die, and performing press forming to obtain a blank;
the bottom surface of the pressing die is provided with a plurality of bulges, and the melting points of the bulges are respectively lower than the melting point of the wear-resistant layer and the melting point of the interface transition layer;
(3) And (3) sintering the blank in the step (2), and cooling.
A mesh is laid on the bottom surface of the pressing die, the mesh forming the protrusions.
The net is a polyethylene net or an acrylic net.
Before the step (3), granulating the mixture of each layer in the step (1) through a granulating device, wherein the particle size of the obtained granules is smaller than 0.3mm.
In the step (3), the pressure of the compression molding is 5-100MPa, and the thickness of the blank is 6-8mm.
In the step (3), the press molding is dry press molding.
In the step (4), the sintering temperature is 1200-1300 ℃.
In the step (4), the specific operation of sintering is as follows: the temperature rising rate is 3 ℃/min at 20 ℃ to 500 ℃, and the temperature rising rate is 5 ℃/min at 500 ℃ to 1300 ℃.
The friction structure or the friction structure manufactured by the method is applied to vehicle braking, and the interface transition layer in the friction structure is in contact with the aluminum alloy matrix of the brake disc.
The friction structure and the aluminum alloy matrix are integrally arranged by adopting an extrusion casting molding method.
The technical scheme of the invention has the following advantages:
1. the friction structure provided by the invention comprises the wear-resistant layer and the interface transition layer, wherein the interface transition layer is suitable for connecting the wear-resistant layer and the aluminum alloy matrix, and the main raw materials of the wear-resistant layer and the interface transition layer are ceramic materials, so that the wear resistance, heat resistance and heat insulation of the ceramic materials are utilized, good combination of the wear-resistant layer and the interface transition layer is ensured, a plurality of grooves are formed in one side of the interface transition layer, which is in contact with the aluminum alloy matrix, the contact area of the interface transition layer and the aluminum alloy matrix can be increased, the combination strength of the two interfaces is enhanced, the interface cracking is effectively prevented, the combination strength of the friction structure and the aluminum alloy matrix is improved, and the fatigue strength and the service life of the interface are prolonged.
2. According to the friction structure provided by the invention, the wear-resistant layer is prepared by adopting the alumina powder as a main matrix, the cost is low, the wear-resistant layer is compact, the toughness is strong and the crack is resistant, and the wear-resistant layer is made of the ceramic material alumina, so that the wear-resistant layer is wear-resistant, heat-resistant and heat-insulating, the friction heat can be effectively prevented from being transferred to the aluminum alloy matrix, the aluminum alloy matrix is deformed by heating, and the friction performance of the friction structure is influenced; the wear-resistant layer is arranged on the aluminum alloy matrix through the interface transition layer, and the interface transition layer adopts the aluminum oxide powder which is the same as that of the wear-resistant layer as a main matrix, so that the interface transition layer and the wear-resistant layer are convenient to combine stably; in order to enhance the interface bonding strength of the interface transition layer and the aluminum alloy matrix, a plurality of grooves can be formed on the blank of the interface transition layer, the contact area of the interface transition layer and the aluminum alloy matrix can be increased by the grooves after sintering, and the bonding strength of the two interfaces is enhanced, but the grooves are easy to expand or shrink in the solid-phase sintering process, so that the interface transition layer is bent and deformed and cannot be used, a proper amount of liquid-phase sintering auxiliary agent is added into the interface transition layer, the interface transition layer is prepared by adopting liquid-phase sintering, a plurality of grooves are formed on the surface of the interface transition layer, which is in contact with the aluminum alloy matrix, in the sintering process, the interface bonding strength of the interface transition layer and the aluminum alloy matrix is enhanced, and the friction performance of the friction structure is more stable and reliable.
3. According to the friction structure provided by the invention, the liquid phase sintering aid adopts borosilicate glass and/or kaolin, silicon dioxide in the borosilicate glass or the kaolin is in a glass phase during sintering, so that the sintering densification of an alumina body is facilitated, the wettability of the silicon dioxide and aluminum is good, and the interface combination stability of an interface transition layer and an aluminum alloy substrate is facilitated.
4. The friction structure provided by the invention has the advantages that the solid phase sintering auxiliary agent is copper oxide and/or titanium dioxide, the sintering temperature is reduced, and the production cost is reduced.
5. According to the friction structure provided by the invention, the wear-resistant layer comprises the friction layer and the heat insulation layer, the heat insulation layer is arranged between the friction layer and the interface transition layer, and the heat insulation layer can further prevent friction heat from being transferred to the aluminum alloy matrix, so that the heat insulation performance of the friction structure is enhanced; the raw materials of the heat insulation layer comprise zirconium oxide, the zirconium oxide content of the heat insulation layer is higher than that of the friction layer, the heat resistance and heat insulation performance of the friction layer and the heat insulation layer can be improved by adding the zirconium oxide, and the heat insulation layer containing higher zirconium oxide content can further block heat which cannot be completely insulated by the friction layer, so that double-layer heat insulation protection is formed for an aluminum alloy matrix; the mixed use of the alumina and the zirconia ensures the friction performance, avoids the excessive raw material cost and the excessive sintering temperature caused by excessive zirconia addition, reduces the production cost and is suitable for production and application.
6. The friction structure provided by the invention adopts the powdery aluminum oxide and zirconia, and has lower cost compared with the aluminum oxide fiber and zirconia fiber.
7. The method for preparing the friction structure comprises the steps of firstly weighing the raw material components according to the weight parts, and mixing to obtain a wear-resistant layer mixture and an interface transition layer mixture respectively; layering and arranging all layers of mixture in a pressing die according to the sequence of the interface transition layer and the wear-resistant layer, and pressing and forming to obtain a blank; the blank is sintered and cooled to obtain a friction structure, and the friction structure prepared by the method comprises a wear-resistant layer and an interface transition layer, has good wear-resistant, heat-resistant and heat-insulating effects, and can be stably combined with an aluminum alloy matrix.
8. According to the method for preparing the friction structure, the mixture of each layer is granulated before the blank is pressed, the fluidity of the granulated mixture is better, the mixture is easy to pour when being poured into the pressing die, layering is not easy to occur due to the influence of the density and granularity of each component when the mixture is stored, and the mixture is easy to keep uniformly mixed.
9. According to the method for preparing the friction structure, provided by the invention, the mesh-shaped grooves are formed on one side of the interface transition layer, which is suitable for being contacted with the aluminum alloy matrix, meshes are paved in the existing pressing die, and the mixture of each layer is paved in the pressing die, so that the melting point of the meshes is lower than the melting points of the friction layer, the heat insulation layer and the interface transition layer, the meshes are firstly melted and gasified in the sintering process, the mesh-shaped grooves are formed on the bottom of the blank, and the mesh-shaped grooves with stable shapes can be obtained after the sintering is completed; the grid-shaped grooves naturally formed in the sintering process not only omits machining grooves and reduces the production cost, but also avoids structural damage to the friction structure caused by the machining grooves.
10. According to the method for preparing the friction structure, the high-temperature sintering temperature is 1200-1300 ℃, and the temperature is reduced, so that the cost is reduced.
11. The friction structure or the application of the friction structure manufactured by the method in vehicle braking is characterized in that an interface transition layer in the friction structure is in contact with an aluminum alloy matrix of a brake disc, and the aluminum alloy matrix of the brake disc presents a wear-resistant, heat-resistant and heat-insulating friction structure, so that the brake performance of a vehicle is improved, and the service life of the brake disc is prolonged; the friction structure and the aluminum alloy matrix are integrally arranged by adopting a pressure casting molding method, so that the process is simple and the cost is low.
Detailed Description
The following description of the present invention will be made clearly and fully, and it is apparent that the embodiments described are some, but not all, of the embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other. In the following examples, 1 part by weight represents 1g.
Example 1
The friction structure that this embodiment provided includes friction layer, insulating layer and interface transition layer, wherein:
the friction layer comprises the following raw material components:
alumina powder with a particle size of 1 μm, 75 parts by weight;
20 parts by weight of zirconia powder with the particle size of 200 nm;
0.1 part by weight of yttrium oxide powder with the particle size of 2 mu m;
2 parts by weight of silicon nitride;
copper oxide, 2 parts by weight;
titanium dioxide, 2 parts by weight;
polyethylene, 5 parts by weight.
The heat insulation layer comprises the following raw material components:
alumina powder with a particle size of 1 μm, 75 parts by weight;
36 parts by weight of zirconia powder with the particle size of 200 nm;
0.2 parts by weight of yttrium oxide powder with the particle size of 2 mu m;
3 parts by weight of silicon nitride;
copper oxide, 4 parts by weight;
3 parts by weight of titanium dioxide;
polyethylene, 6 parts by weight.
The interface transition layer comprises the following raw material components:
85 parts by weight of alumina powder with the particle size of 5 mu m;
borosilicate glass and kaolin, 15 parts by weight.
The friction structure described in this example was prepared by the following method:
(1) Weighing the raw material components according to the weight parts, and mixing to obtain a friction layer mixture, a heat insulation layer mixture and an interface transition layer mixture respectively;
(2) Granulating each layer of mixture in the step (1) by using a granulator, wherein the particle size is smaller than 0.3mm;
(3) Paving a polyethylene net on the bottom surface of the pressing die;
(4) Sequentially layering and arranging the mixed materials of the layers in a pressing die according to the sequence of the interface transition layer, the heat insulation layer and the friction layer, and dry-pressing the mixed materials into a blank body with the thickness of 6mm under the pressure of 100 MPa;
(5) Sintering the green body in the step (4), wherein the sintering temperature is 1200 ℃, and the sintering curve is as follows: and (3) heating at a rate of 3 ℃/min at 20-500 ℃ and cooling at a rate of 5 ℃/min at 500-1200 ℃ to obtain a friction structure, namely a friction structure A.
The embodiment also provides an application of the friction structure in vehicle braking, wherein the friction structure is arranged on a braking part of a vehicle, and an interface transition layer of the friction structure is in direct contact with the braking part.
The brake piece is an aluminum alloy brake disc, the aluminum alloy is A390 hypereutectic aluminum alloy, the aluminum alloy is heated to 670 ℃ to be melted, and the aluminum alloy is refined and deaerated for standby; and (3) placing the friction structure wear-resistant layer downwards into a metal cavity, pouring aluminum alloy liquid into the metal cavity, extruding, casting, forming, cooling, taking out the brake disc, performing heat treatment according to a T6 process, and machining to obtain the tough and compact ceramic aluminum alloy matrix composite brake disc.
Example two
The friction structure that this embodiment provided includes friction layer, insulating layer and interface transition layer, wherein:
the friction layer comprises the following raw material components:
65 parts by weight of alumina powder with the particle size of 20 mu m;
40 parts by weight of zirconia powder with the particle size of 500 nm;
1.2 parts by weight of yttrium oxide powder with the particle size of 2 mu m;
3 parts by weight of silicon nitride;
copper oxide, 4 parts by weight;
3 parts by weight of titanium dioxide;
polyethylene, 7 parts by weight.
The heat insulation layer comprises the following raw material components:
65 parts by weight of alumina powder with the particle size of 20 mu m;
zirconia powder with the particle size of 500nm, 50 parts by weight;
1.5 parts by weight of yttrium oxide powder with the particle size of 2 mu m;
4 parts by weight of silicon nitride;
copper oxide, 4 parts by weight;
titanium dioxide, 4 parts by weight;
polyethylene, 7 parts by weight.
The interface transition layer comprises the following raw material components:
alumina powder with the particle size of 20 mu m, 75 parts by weight;
borosilicate glass and kaolin, 25 parts by weight.
The friction structure described in this example was prepared by the following method:
(1) Weighing the raw material components according to the weight parts, and mixing to obtain a friction layer mixture, a heat insulation layer mixture and an interface transition layer mixture respectively;
(2) Granulating each layer of mixture in the step (1) by using a granulator, wherein the particle size is smaller than 0.3mm;
(3) Laying an acrylic net on the bottom surface of the pressing die;
(4) Sequentially layering and arranging the mixed materials of the layers in a pressing die according to the sequence of the interface transition layer, the heat insulation layer and the friction layer, and dry-pressing the mixed materials into a blank body with the thickness of 7mm under the pressure of 100 MPa;
(5) Sintering the green body in the step (4) at a sintering temperature of 1300 ℃, wherein a sintering curve is as follows: and (3) in the stage of 20-500 ℃, the heating rate is 2 ℃/min, and in the stage of 500-1300 ℃, the heating rate is 4 ℃/min, and the friction structure is obtained after cooling, and is marked as a friction structure B.
Example III
The friction structure that this embodiment provided includes friction layer, insulating layer and interface transition layer, wherein:
the friction layer comprises the following raw material components:
alumina powder with the particle size of 5 mu m, 72 parts by weight;
zirconia powder with the particle size of 300nm, 25 parts by weight;
0.5 parts by weight of yttrium oxide powder with the particle size of 2 mu m;
2 parts by weight of silicon nitride;
1 part by weight of copper oxide;
3 parts by weight of titanium dioxide;
polyethylene, 10 parts by weight.
The heat insulation layer comprises the following raw material components:
alumina powder with the particle size of 5 mu m, 72 parts by weight;
40 parts by weight of zirconia powder with the particle size of 300 nm;
0.9 parts by weight of yttrium oxide powder with the particle size of 2 mu m;
4 parts by weight of silicon nitride;
copper oxide, 3 parts by weight;
3 parts by weight of titanium dioxide;
polyethylene, 8 parts by weight.
The interface transition layer comprises the following raw material components:
80 parts by weight of alumina powder with the particle size of 5 mu m;
borosilicate glass and kaolin, 20 parts by weight.
The friction structure described in this example was prepared by the following method:
(1) Weighing the raw material components according to the weight parts, and mixing to obtain a friction layer mixture, a heat insulation layer mixture and an interface transition layer mixture respectively;
(2) Granulating each layer of mixture in the step (1) by using a granulator, wherein the particle size is smaller than 0.3mm;
(3) Paving a polyethylene net on the bottom surface of the pressing die;
(4) Sequentially layering and arranging the mixed materials of the layers in a pressing die according to the sequence of the interface transition layer, the heat insulation layer and the friction layer, and dry-pressing the mixed materials into a blank body with the thickness of 7mm under the pressure of 50 MPa;
(5) Sintering the green body in the step (4), wherein the sintering temperature is 1250 ℃, and the sintering curve is as follows: and (3) heating at a rate of 3 ℃/min at 20-500 ℃ and cooling at a rate of 4.5 ℃/min at 500-1250 ℃ to obtain a friction structure, namely a friction structure C.
Example IV
The friction structure that this embodiment provided includes friction layer, insulating layer and interface transition layer, wherein:
the friction layer comprises the following raw material components:
70 parts by weight of alumina powder with the particle size of 15 mu m;
30 parts by weight of zirconia powder with the particle size of 400 nm;
1.7 parts by weight of yttrium oxide powder with the particle size of 2 mu m;
2.5 parts by weight of silicon nitride;
3.5 parts by weight of copper oxide;
titanium dioxide, 4 parts by weight;
12 parts by weight of polyethylene.
The heat insulation layer comprises the following raw material components:
60 parts by weight of alumina powder with the particle size of 15 mu m;
60 parts by weight of zirconia powder with the particle size of 400 nm;
3 parts by weight of yttrium oxide powder with the particle size of 2 mu m;
3 parts by weight of silicon nitride;
copper oxide, 4 parts by weight;
titanium dioxide, 2 parts by weight;
polyethylene, 10 parts by weight.
The interface transition layer comprises the following raw material components:
alumina powder with the particle size of 15 mu m, and 85 parts by weight;
borosilicate glass and kaolin, 25 parts by weight.
The friction structure described in this example was prepared by the following method:
(1) Weighing the raw material components according to the weight parts, and mixing to obtain a friction layer mixture, a heat insulation layer mixture and an interface transition layer mixture respectively;
(2) Granulating each layer of mixture in the step (1) by using a granulator, wherein the particle size is smaller than 0.3mm;
(3) Paving a polyethylene net on the bottom surface of the pressing die;
(4) Sequentially layering and arranging the mixed materials of the layers in a pressing die according to the sequence of the interface transition layer, the heat insulation layer and the friction layer, and dry-pressing the mixed materials into a blank body with the thickness of 7.5mm under the pressure of 30 MPa;
(5) Sintering the green body in the step (4) at a sintering temperature of 1300 ℃, wherein a sintering curve is as follows: and (3) cooling at a temperature rising rate of 2 ℃/min at 20-500 ℃ and at a temperature rising rate of 3 ℃/min at 500-1300 ℃ to obtain a friction structure, namely a friction structure D.
Example five
The friction structure that this embodiment provided includes friction layer, insulating layer and interface transition layer, wherein: the friction layer comprises the following raw material components:
alumina powder with the particle size of 10 mu m, 68 parts by weight;
35 parts by weight of zirconia powder with the particle size of 200 nm;
1.5 parts by weight of yttrium oxide powder with the particle size of 2 mu m;
4 parts by weight of silicon nitride;
copper oxide, 2 parts by weight;
3 parts by weight of titanium dioxide;
polyethylene, 15 parts by weight.
The heat insulation layer comprises the following raw material components:
70 parts by weight of alumina powder with the particle size of 10 mu m;
zirconia powder with the grain diameter of 200nm and 55 weight parts;
3 parts by weight of yttrium oxide powder with the particle size of 2 mu m;
1 part by weight of silicon nitride;
copper oxide, 3 parts by weight;
titanium dioxide, 1 part by weight;
13 parts by weight of polyethylene.
The interface transition layer comprises the following raw material components:
alumina powder with the particle size of 10 mu m, 75 parts by weight;
borosilicate glass and kaolin, 18 parts by weight.
The friction structure described in this example was prepared by the following method:
(1) Weighing the raw material components according to the weight parts, and mixing to obtain a friction layer mixture, a heat insulation layer mixture and an interface transition layer mixture respectively;
(2) Granulating each layer of mixture in the step (1) by using a granulator, wherein the particle size is smaller than 0.3mm;
(3) Paving a polyethylene net on the bottom surface of the pressing die;
(4) Sequentially layering and arranging the mixed materials of the layers in a pressing die according to the sequence of the interface transition layer, the heat insulation layer and the friction layer, and dry-pressing the mixed materials into a blank body with the thickness of 8.0mm under the pressure of 25 MPa;
(5) Sintering the green body in the step (4) at a sintering temperature of 1300 ℃, wherein a sintering curve is as follows: and (3) heating at a rate of 3 ℃/min at 20-500 ℃ and cooling at a rate of 5 ℃/min at 500-1300 ℃ to obtain a friction structure, namely a friction structure E.
Comparative example one
The friction structure provided in this comparative example only has a wear-resistant layer, and the formulation of the wear-resistant layer is the same as that of the friction layer in the first embodiment, but the preparation method of the friction structure F is as follows:
(1) Weighing the raw material components according to a formula, and mixing to obtain a wear-resistant layer mixture;
(2) Granulating the wear-resistant layer mixture in the step (1) by using a granulator, wherein the particle size is smaller than 0.3mm;
(3) Spreading the wear-resistant layer mixture in a pressing die, and dry-pressing into a blank with the thickness of 6mm under the pressure of 100 MPa;
(4) Sintering the green body in the step (3), wherein the sintering temperature is 1200 ℃, and the sintering curve is as follows: and (3) heating at a rate of 3 ℃/min at 20-500 ℃, heating at a rate of 5 ℃/min at 500-1200 ℃, and cooling to obtain the friction structure F.
Comparative example two
The friction structure provided in this comparative example only has a wear-resistant layer, the formulation of which is the same as that of the friction layer in the first embodiment, and a plurality of grooves are provided on one side of the wear-resistant layer which is adapted to contact with an aluminum alloy substrate, but the preparation method of the friction structure G is as follows:
(1) Weighing the raw material components according to a formula, and mixing to obtain a wear-resistant layer mixture;
(2) Granulating each layer of mixture in the step (1) by using a granulator, wherein the particle size is smaller than 0.3mm;
(3) Paving a polyethylene net on the bottom surface of the pressing die;
(4) Spreading the friction layer mixture in a pressing die, and dry-pressing into a blank with the thickness of 6mm under the pressure of 100 MPa;
(5) Sintering the green body in the step (4), wherein the sintering temperature is 1200 ℃, and the sintering curve is as follows: and (3) heating at a rate of 3 ℃/min at 20-500 ℃, heating at a rate of 5 ℃/min at 500-1200 ℃, and cooling to obtain the friction structure G.
Experimental example
The friction structure is arranged on the brake piece of the vehicle through an extrusion casting molding method, and an interface transition layer of the friction structure is in direct contact with the brake piece.
The brake piece is an aluminum alloy brake disc, the aluminum alloy is A390 hypereutectic aluminum alloy, the aluminum alloy is heated to 670 ℃ to be melted, and the aluminum alloy is refined and deaerated for standby; and (3) placing the friction structure wear-resistant layer downwards into a metal cavity, pouring aluminum alloy liquid into the metal cavity, extruding, casting, forming, cooling, taking out the brake disc, performing heat treatment according to a T6 process, and machining to obtain the tough and compact ceramic aluminum alloy matrix composite brake disc.
Brake discs a-G were prepared according to the above-described methods using the friction structures obtained in examples one to five and comparative examples one and two, respectively.
TABLE 1 Performance test results for brake discs A-G
As can be seen from Table 1, the interface shear strength of the friction structures of the brake discs A-E and the aluminum alloy matrix is above 118MPa, and the brake discs are braked under the operation working conditions of 80, 100 and 200km/h per hour, and the service life of the brake discs is longer than 25 ten thousand times, which fully shows that the interface bonding strength of the friction structures and the aluminum alloy matrix is high, the structure is stable, the braking performance is excellent, and the braking requirements of vehicles can be met.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.

Claims (21)

1. A friction structure, comprising:
the aluminum alloy comprises a wear-resistant layer and an interface transition layer, wherein the interface transition layer is suitable for connecting the wear-resistant layer and an aluminum alloy matrix, and a plurality of grooves are formed in one side, which is contacted with the aluminum alloy matrix, of the interface transition layer;
the main raw materials of the wear-resistant layer and the interface transition layer are ceramic materials;
the raw material composition of the wear-resistant layer comprises 60-75 parts by weight of aluminum oxide, 20-60 parts by weight of zirconium oxide, 0.1-1.7 parts by weight of phase stabilizer and 4-8 parts by weight of solid phase sintering auxiliary agent.
2. A friction structure as claimed in claim 1 wherein said plurality of grooves are in the form of a grid.
3. A friction structure according to claim 1 or 2, characterized in that the raw material composition of the interfacial transition layer comprises 75-85 parts by weight of alumina, 15-25 parts by weight of liquid phase sintering aid.
4. A friction structure according to claim 3, wherein the liquid phase sintering aid comprises borosilicate glass and/or kaolin.
5. A friction structure as recited in claim 1 wherein said wear layer material composition comprises alumina and a solid phase sintering aid.
6. A friction structure according to claim 5, wherein the solid phase sintering aid is copper oxide and/or titanium dioxide.
7. The friction structure of claim 1, wherein the wear layer comprises a friction layer and an insulating layer, the insulating layer being disposed between the friction layer and the interface transition layer; the zirconia content in the thermal insulation layer is higher than the zirconia content in the friction layer.
8. A friction structure as claimed in claim 1 wherein said phase stabilizer is yttria and the ratio of the amount of yttria to the amount of zirconia is 0.0025:1 to 0.06:1.
9. A friction structure according to claim 1, characterized in that the raw material composition of the wear layer further comprises a friction modifier and/or a shaping agent, the friction modifier being silicon nitride and the shaping agent being 5-10 parts by weight polyethylene.
10. A friction structure as set forth in claim 7 wherein said friction layer has a porosity of no more than 2%.
11. A friction structure according to any one of claims 1 or 7-10, characterized in that the alumina and/or zirconia is in powder form, the particle size of the alumina being in the range of 1-20 μm and the particle size of the zirconia being in the range of 200-500nm.
12. A method of making a friction structure as claimed in any one of claims 1 to 11, comprising the steps of:
(1) Weighing and mixing the raw material components to obtain a wear-resistant layer mixture and an interface transition layer mixture respectively;
(2) Sequentially layering and paving the interface transition layer mixture and the wear-resistant layer mixture in a pressing die, and performing press forming to obtain a blank;
the bottom surface of the pressing die is provided with a plurality of bulges, and the melting points of the bulges are respectively lower than the melting point of the wear-resistant layer and the melting point of the interface transition layer;
(3) And (3) sintering the blank in the step (2), and cooling.
13. A method of producing a friction structure according to claim 12, characterized in that a mesh is laid on the bottom surface of the pressing die, the mesh forming the protrusions.
14. The method of making a friction structure as recited in claim 13 wherein said mesh is a polyethylene mesh or an acrylic mesh.
15. A method of producing a friction structure according to any one of claims 12 to 14, wherein prior to step (3), the layers of the mixture of step (1) are granulated by a granulating apparatus to obtain granules having a particle size of less than 0.3mm.
16. A method of producing a friction structure according to any one of claims 12 to 14, wherein in step (3), the pressure of the press forming is 5 to 100MPa, and the thickness of the green body is 6 to 8mm.
17. The method of producing a friction structure according to any one of claims 12 to 14, wherein in step (3), the press forming is dry press forming.
18. A method of producing a friction structure according to any one of claims 12 to 14, wherein in step (4), the sintering temperature is 1200 to 1300 ℃.
19. The method of producing a friction structure according to any one of claims 12 to 14, wherein in step (4), the specific operation of sintering is: the temperature rising rate is 3 ℃/min at 20 ℃ to 500 ℃, and the temperature rising rate is 5 ℃/min at 500 ℃ to 1300 ℃.
20. Use of a friction structure according to any one of claims 1-11 or a friction structure produced by a method of producing a friction structure according to any one of claims 12-19 in vehicle braking, characterized in that the interface transition layer in the friction structure is in contact with an aluminium alloy matrix of a brake disc.
21. The friction structure or the use of the friction structure made by the method for manufacturing a friction structure according to claim 20 in vehicle braking, wherein the friction structure and the aluminum alloy base are integrally provided by an extrusion casting method.
CN201711275666.8A 2017-12-06 2017-12-06 Friction structure and preparation method and application thereof Active CN107842569B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711275666.8A CN107842569B (en) 2017-12-06 2017-12-06 Friction structure and preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711275666.8A CN107842569B (en) 2017-12-06 2017-12-06 Friction structure and preparation method and application thereof

Publications (2)

Publication Number Publication Date
CN107842569A CN107842569A (en) 2018-03-27
CN107842569B true CN107842569B (en) 2023-09-01

Family

ID=61664541

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711275666.8A Active CN107842569B (en) 2017-12-06 2017-12-06 Friction structure and preparation method and application thereof

Country Status (1)

Country Link
CN (1) CN107842569B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107721414B (en) * 2017-10-10 2020-08-25 莱州市金丰橡塑有限公司 Flexible carbon-zirconium maintenance-free lining plate and mounting method
CN109319554B (en) * 2018-11-06 2020-05-15 安徽长命摩擦材料科技有限公司 Automatic paper punching equipment for friction plate of motorcycle gearbox
US11548825B2 (en) 2019-03-04 2023-01-10 Tosoh Corporation Zirconia layered body
CN110205530B (en) * 2019-05-13 2021-01-08 湖南工业大学 Aluminum-based titanium surface brake disc for high-speed heavy-load train and forming method thereof
CN111828514B (en) * 2020-08-24 2021-12-10 天津辉锐激光科技有限公司 Friction structure, manufacturing method of friction structure and brake
CN112682447A (en) * 2020-12-31 2021-04-20 博深股份有限公司 High-speed rail brake pad friction block applying composite material transition layer and preparation method thereof

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1929991A (en) * 2004-01-29 2007-03-14 纳米钢公司 Wear resistant materials
CN102410327A (en) * 2011-07-29 2012-04-11 璧山县三泰粉末冶金有限公司 Iron-base friction plate and mating plate friction assembly for high-comfort wet-type clutch
CN102513520A (en) * 2011-12-28 2012-06-27 昆明理工大学 Method for preparing heat-fatigue-resistance wear-resistance laminated particle reinforced composite material
CN103438132A (en) * 2013-08-02 2013-12-11 北京科技大学 Connection method for copper-based powder metallurgy friction material and steel backing
CN103880456A (en) * 2013-04-19 2014-06-25 黄曦 Ceramic based friction material and preparation method thereof
CN104235237A (en) * 2014-05-09 2014-12-24 石家庄东大汇通新材料有限公司 Road vehicle brake disc made of carborundum foamed ceramics/aluminum alloy composite materials and production method of road vehicle brake disc
CN205013525U (en) * 2015-09-06 2016-02-03 房殊 Light metallic composite friction clutch piece of foamed ceramics reinforcing, brake disc
CN105443601A (en) * 2015-12-02 2016-03-30 浙江科马摩擦材料股份有限公司 High-performance clutch plate for heavy truck
CN106812837A (en) * 2016-12-27 2017-06-09 徐骏 A kind of aluminum matrix composite braking brake disk and preparation method
CN207569117U (en) * 2017-12-06 2018-07-03 北京天宜上佳新材料股份有限公司 A kind of friction structure and brake component

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1929991A (en) * 2004-01-29 2007-03-14 纳米钢公司 Wear resistant materials
CN102410327A (en) * 2011-07-29 2012-04-11 璧山县三泰粉末冶金有限公司 Iron-base friction plate and mating plate friction assembly for high-comfort wet-type clutch
CN102513520A (en) * 2011-12-28 2012-06-27 昆明理工大学 Method for preparing heat-fatigue-resistance wear-resistance laminated particle reinforced composite material
CN103880456A (en) * 2013-04-19 2014-06-25 黄曦 Ceramic based friction material and preparation method thereof
CN103438132A (en) * 2013-08-02 2013-12-11 北京科技大学 Connection method for copper-based powder metallurgy friction material and steel backing
CN104235237A (en) * 2014-05-09 2014-12-24 石家庄东大汇通新材料有限公司 Road vehicle brake disc made of carborundum foamed ceramics/aluminum alloy composite materials and production method of road vehicle brake disc
CN205013525U (en) * 2015-09-06 2016-02-03 房殊 Light metallic composite friction clutch piece of foamed ceramics reinforcing, brake disc
CN105443601A (en) * 2015-12-02 2016-03-30 浙江科马摩擦材料股份有限公司 High-performance clutch plate for heavy truck
CN106812837A (en) * 2016-12-27 2017-06-09 徐骏 A kind of aluminum matrix composite braking brake disk and preparation method
CN207569117U (en) * 2017-12-06 2018-07-03 北京天宜上佳新材料股份有限公司 A kind of friction structure and brake component

Also Published As

Publication number Publication date
CN107842569A (en) 2018-03-27

Similar Documents

Publication Publication Date Title
CN107842569B (en) Friction structure and preparation method and application thereof
CN103878346B (en) A kind of preparation method of ceramic particle multi-scale enhancement metal matrix composite materials
CN102337423B (en) Preparation method of ceramic-powder-enhanced zinc-aluminum alloy based composite material
CN103911565B (en) A kind of high conductive graphite whisker orientation strengthens the preparation method of metal-base composites
CN103343274B (en) High-thermal-conductivity graphite-aluminium strengthens aluminum graphite composite and preparation technology thereof
CN102102720B (en) Ceramic/metallic double continuous phase composite material brake pad and preparation method thereof
CN103789590B (en) The preparation method of particle reinforced magnesium base compound material
CN103981392B (en) A kind of preparation method of high-volume fractional diamond/metal-base composites
CN102181753B (en) Silicon and silicon carbide hybrid enhanced aluminum-base composite material and preparation method thereof
CN102676883B (en) Silicon carbide reinforced aluminum-based composite material and preparation method thereof
CN103194630A (en) Preparation method of SiCp/Al composite material with high volume fraction
CN101157993A (en) Method for preparing high volume-fraction carborundum granule-reinforced copper-based composite material
CN103343266B (en) High-thermal-conductivity graphite-high silicon aluminium-based composite material and preparation process for same
CN103240402B (en) A kind of production method of particle enhanced aluminum-based composite material ingot casting
CN101260488A (en) Silicon nitride ceramic particles enhancement aluminum-base composite material and preparing method thereof
CN106967900A (en) A kind of titanium-based metal glass particle reinforced aluminum matrix composites and preparation method thereof
CN104014764B (en) A kind of aluminum alloy low-pressure casting preparation method of ceramic sprue bushing
TW200918205A (en) Cast bodies, castable compositions, and methods for their production
WO2019080100A1 (en) Silicon carbide aluminum-based composite structure element and fabrication method for silicon carbide-reinforced prefab
CN107201486A (en) Low pressure pressurization makes SiC ceramic fiber/particle reinforced Al base alloy composite materials
CN106939383A (en) One kind deformation beryllium alumin(i)um alloy plate plasticising extrusion molding preparation method
CN111390149B (en) Casting ladle for casting aluminum alloy
CN111889686B (en) Method for reinforcing aluminium base composite material by high-strength silicon carbide particle and composite material thereof
CN108315629B (en) Preparation method of Al/SiC metal ceramic composite material
CN104651655A (en) Preparation method of graphite-reinforced aluminum-based composite material

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 100094 Haidian District, Beijing, Shanghai town, xinxinli village, South Railway 500 meters north.

Applicant after: BEIJING TIANYISHANGJIA NEW MATERIAL Corp.,Ltd.

Address before: 102206 Haidian District, Beijing, Shanghai town, xinxinli village, South Railway 500 meters north.

Applicant before: BEIJING TIANYISHANGJIA NEW MATERIAL Corp.,Ltd.

GR01 Patent grant
GR01 Patent grant