CN110205507A - A kind of high-speed heavy-load trains brake disc alloy material, preparation method and brake disc - Google Patents
A kind of high-speed heavy-load trains brake disc alloy material, preparation method and brake disc Download PDFInfo
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- CN110205507A CN110205507A CN201910395299.8A CN201910395299A CN110205507A CN 110205507 A CN110205507 A CN 110205507A CN 201910395299 A CN201910395299 A CN 201910395299A CN 110205507 A CN110205507 A CN 110205507A
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- 239000000956 alloy Substances 0.000 title claims abstract description 112
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000011159 matrix material Substances 0.000 claims abstract description 30
- 230000007704 transition Effects 0.000 claims abstract description 27
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 25
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 25
- 229910052802 copper Inorganic materials 0.000 claims abstract description 24
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 20
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 52
- 229910045601 alloy Inorganic materials 0.000 claims description 47
- 238000002347 injection Methods 0.000 claims description 38
- 239000007924 injection Substances 0.000 claims description 38
- 229910052757 nitrogen Inorganic materials 0.000 claims description 26
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 12
- 238000010146 3D printing Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 2
- 238000009718 spray deposition Methods 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 abstract description 16
- 238000012545 processing Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000010936 titanium Substances 0.000 description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 14
- 229910001069 Ti alloy Inorganic materials 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000155 melt Substances 0.000 description 7
- 239000004615 ingredient Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/003—Alloys based on aluminium containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
-
- 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
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/125—Discs; Drums for disc brakes characterised by the material used for the disc body
-
- 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
-
- 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
- F16D2200/0026—Non-ferro
- F16D2200/003—Light metals, e.g. aluminium
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
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- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of high-speed heavy-load trains brake disc alloy material, preparation method and brake discs, using Ti, Cu, Mn, V and Al as raw material, it through melting, refines, be injected into shape and be prepared, can be applied to the transition zone of production high-speed heavy-load trains brake disc.Alloy material intensity provided by the invention is high, good toughness, can be used as matrix and wearing layer that transition zone accepts brake disc.The matrix and wearing layer of high-speed heavy-load trains brake disc by above-mentioned processing preparation are tightly combined, stable under the conditions of high and low temperature, long service life, and braking ability is good.High-speed heavy-load trains brake disc of the invention can effectively push the popularization of aluminium alloy brake disc with alloy material, mitigate the weight of train, reduce energy consumption, improve the safety of train operation.
Description
Technical field
The present invention relates to brake disc material fields, more particularly, to a kind of high-speed heavy-load trains brake disc alloy
Material, preparation method and brake disc.
Background technique
Brake disc is to generate the component for hindering vehicle movement or movement tendency brake force in braking system, at work
It will receive the normal force and tangential force of brake block application, hot face temperature can reach 800 DEG C, may become under high temperature action
Shape directly influences train braking reliability and safety in operation so as to cause frictional noise and scratch.
The traditional material of brake disc is based on cast iron, cast steel, and with being continuously increased for environmental pressure, every profession and trade subtracts in energy conservation
The requirements at the higher level of row's aspect have been very urgent, and in high-speed heavy-load trains industry, body lightening is a trend, cast iron (steel)
It has been unable to satisfy the brake request of train, brake disc quality has been reduced and is of great significance to body lightening.In order to reduce braking
Disk quality, the new trend of brake disc development at present is to make matrix using aluminium alloy, the considerations of for wearability and heat-resisting quantity,
Need to be arranged one layer of wearing layer on alloy matrix aluminum.As the Chinese patent of Publication No. CN204852099U just discloses one kind
Automobile brake disc, brake disc ontology are made of aluminium alloy, are covered with one layer of wearing layer on the working face of brake disc ontology to improve
The wear-resisting property of brake disc.Titanium alloy has wear-resisting, characteristic resistant to high temperature, is the important materials for making wearing layer.Publication No.
The Chinese patent of CN201520786043.7 just discloses a kind of automobile brake disc, using titanium alloy layer as wearing layer.
But since the heat-proof quality of wearing layer is limited, frequently braking leads to aluminium alloy so that wearing layer temperature sharply increases
Matrix generates expansion.And the thermal expansion coefficient of titanium is 10.8 × 10-6/ k, the thermal expansion coefficient of aluminium are 23.2 × 10-6/ k, difference
Larger, wearing layer and alloy matrix aluminum thermal expansion coefficient mismatch the bond strength that will affect the two, so that wearing layer is easy to fall off,
Train driving safety is influenced, the development of aluminium alloy brake disc is constrained.
Summary of the invention
It is an object of the invention to the deficiencies for high-speed heavy-load trains brake disc in the prior art, provide a kind of high speed weight
Train brake disk alloy material is carried, which is prepared by Ti, Cu, Mn, V and Al for raw material, and intensity is high, toughness
It is good, it can preferably connect alloy matrix aluminum and wearing layer.
Another object of the present invention is to provide the preparation methods of the high-speed heavy-load trains brake disc alloy material.
It is also an object of the present invention to provide a kind of high-speed heavy-load trains brake disc, including brake disc matrix, matrixes
It is equipped with wearing layer, transition zone is equipped between wearing layer and matrix, transition zone is made of above-mentioned alloy material.
The purpose of the present invention is achieved through the following technical solutions:
The raw material quality percentage of a kind of high-speed heavy-load trains brake disc alloy material, the alloy material is as follows:
Ti:1~10%, Cu:1~8%, Mn:0.1~1%, V:0.5~2.0%, surplus Al.
Further, the raw material quality percentage of the alloy material is as follows: Ti:2~8%, Cu:1~5%, Mn:
0.2~0.8%, V:0.8~1.5%, surplus Al.
Further, the raw material quality percentage of the alloy material is as follows: Ti:3~5%, Cu:2~4%, Mn:
0.3~0.5%, V:1~1.2%, surplus Al.
A kind of preparation method of above-mentioned high-speed heavy-load trains brake disc alloy material, comprising the following steps:
S1. it melts: Al heat temperature raising being melted to liquid, sequentially adds and contains in proportion within the scope of 750 DEG C~850 DEG C
The intermediate alloy of Ti, Cu, Mn, V are stirred continuously the uniform liquid metals of forming component, stand 15~20min；
S2. it refines: being passed through the high purity anhydrous nitrogen that purity is 99.9% into liquid metals obtained in step S1 and refine,
Time is 40~60min, and slagging agent is added to liquid metals surface, skims after standing 15~25min, obtains alloy melt；
S3. injection forming: alloy melt obtained in step S2 is injected into using aluminium alloy injection former
Shape, prepares high-speed heavy-load trains brake disc alloy material, and the pressure of the nitrogen is 1.0~2.0Mpa, the temperature of nitrogen
It is -25~-15 DEG C, the injection temperation of the alloy melt is 800~850 DEG C, and cooling velocity is about 103~105K/s；Jet length
From for 200~300mm.
The present invention is based on injection forming 3D printing techniques to prepare high-speed heavy-load trains brake disc alloy material, specifically
Molten alloy is atomized by ground in an inert atmosphere, formed drop injection stream, inject directly on matrix, by shock, coalescence,
Solidification forms deposit, so that realization prepares the purpose of alloy material, this alloy material can be forged immediately, squeeze or
Rolling processing, it is functional, good basis is provided for subsequent product processing.
Further, nitrogen temperature described in step S3 is -25 DEG C, and the injection temperation of the alloy melt is 850 DEG C.
Further, spray distance described in step S3 is 200mm.
Further, the average crystal grain diameter of high-speed heavy-load trains brake disc alloy material described in step S3 is 5 μm.
Further, the actual density of high-speed heavy-load trains brake disc alloy material described in step S3 reaches theoretical close
99.8% or more of degree.
A kind of high-speed heavy-load trains brake disc, the transition zone in the brake disc are made of above-mentioned alloy material.
Further, the high-speed heavy-load trains brake disc further includes following preparation method: by high-speed heavy-load trains system
Moving plate directly forms transition zone, the mistake by injection forming 3D printing technique with alloy material on aluminium alloy brake disc matrix
Layer is crossed with a thickness of 2mm.
Compared with prior art, beneficial effects of the present invention are as follows:
Alloy material intensity provided by the invention is high, good toughness, the alloy matrix aluminum that is prepared with the alloy material and wear-resisting
Transition zone between layer, is the combination tie for undertaking matrix and wearing layer, and load bearing effect is good, thermal expansion coefficient between titanium and aluminium it
Between, the defect that the two thermal expansion coefficient can be overcome different securely connects alloy matrix aluminum and wearing layer.Even if in high and low temperature item
Under part, wearing layer also can stable in conjunction with alloy matrix aluminum, long service life, braking ability is good.
The present invention prepares transition zone using injection forming 3D printing technique, and transition zone dense structure is uniform, with aluminium alloy base
Body metallurgical bonding, small to the heat affecting of matrix, transition region thickness is controllable, Yi Shixian automated production.
Alloy material provided by the invention can be applied to production high-speed heavy-load trains brake disc transition zone, the train of preparation
Brake disc has the characteristics that binding force is good, wear-resistant, antifatigue, the service life is long, is conducive to aluminium alloy brake disc large-scale promotion and answers
With.The weight of aluminium alloy brake disc reduces matter under the spring of train than traditional cast iron (steel) brake disc loss of weight 40~70%
Amount improves train driving stationarity, reduces energy consumption, improves the safety of train operation.
Specific embodiment
To facilitate the understanding of the present invention, present invention work more comprehensively, is meticulously described below in conjunction with embodiment, but this hair
Bright protection scope is not limited to embodiment in detail below.
Unless otherwise defined, all technical terms used hereinafter and the normally understood meaning of those skilled in the art
It is identical.Technical term used herein is intended merely to the purpose of description specific embodiment, it is no intended to limit of the invention
Protection scope.
Unless otherwise specified, various raw material, reagent, the instrument and equipment etc. used in the present invention can pass through city
Field is commercially available or can be prepared by existing method.
The present invention is based on injection forming 3D printing techniques to prepare high-speed heavy-load trains brake disc alloy material, specifically
Ground will be atomized in high pressure nitrogen atmosphere, be formed drop injection stream, be injected directly on matrix, by shock, coalescence, solidification
Deposit is formed, so that realization prepares the purpose of alloy material, this alloy material can be forged immediately, squeezed or be rolled
Processing, it is functional, good basis is provided for subsequent product processing.
Embodiment 1
The present embodiment provides a kind of preparation methods of high-speed heavy-load trains brake disc alloy material, specifically include following step
It is rapid:
S1. it melts: Al heat temperature raising being melted to liquid, is sequentially added in proportion at 850 DEG C containing in Ti, Cu, Mn, V
Between alloy, specific mass percent is as follows: Ti:3%, Cu:2%, Mn:0.3%, V:1%, surplus Al are stirred continuously to be formed
The uniform liquid metals of ingredient stands 20min；
S2. it refines: being passed through the high purity anhydrous nitrogen that purity is 99.9% into liquid metals obtained in step S1 and refine,
Time is 60min, and slagging agent is added to liquid metals surface, skims after standing 15min, obtains alloy melt；
S3. injection forming: alloy melt obtained in step S2 is injected into using aluminium alloy injection former
Shape prepares high-speed heavy-load trains brake disc alloy material, and the pressure of nitrogen is 2.0Mpa, and the temperature of nitrogen is -25 DEG C, institute
The injection temperation for stating alloy melt is 850 DEG C, and cooling velocity is about 105K/s；Spray distance is 200mm.
Embodiment 2
The present embodiment provides a kind of preparation methods of high-speed heavy-load trains brake disc alloy material, specifically include following step
It is rapid:
S1. it melts: Al heat temperature raising being melted to liquid, is sequentially added in proportion at 800 DEG C containing in Ti, Cu, Mn, V
Between alloy, specific mass percent is as follows: Ti:5%, Cu:4%, Mn:0.5%, V:1.2%, surplus Al are stirred continuously shape
At the uniform liquid metals of ingredient, 15min is stood；
S2. it refines: being passed through the high purity anhydrous nitrogen that purity is 99.9% into liquid metals obtained in step S1 and refine,
Time is 45min, and slagging agent is added to liquid metals surface, skims after standing 25min, obtains alloy melt；
S3. injection forming: alloy melt obtained in step S2 is injected into using aluminium alloy injection former
Shape prepares high-speed heavy-load trains brake disc alloy material, and the pressure of nitrogen is 1.5Mpa, and the temperature of nitrogen is -15 DEG C, institute
The injection temperation for stating alloy melt is 820 DEG C, and cooling velocity is about 105K/s；Spray distance is 260mm.
Embodiment 3
The present embodiment provides a kind of preparation methods of high-speed heavy-load trains brake disc alloy material, specifically include following step
It is rapid:
S1. it melts: Al heat temperature raising being melted to liquid, is sequentially added in proportion at 750 DEG C containing in Ti, Cu, Mn, V
Between alloy, specific mass percent is as follows: Ti:2%, Cu:4%, Mn:0.8%, V:1.5%, surplus Al are stirred continuously shape
At the uniform liquid metals of ingredient, 15min is stood；
S2. it refines: being passed through the high purity anhydrous nitrogen that purity is 99.9% into liquid metals obtained in step S1 and refine,
Time is 40min, and slagging agent is added to liquid metals surface, skims after standing 20min, obtains alloy melt；
S3. injection forming: alloy melt obtained in step S2 is injected into using aluminium alloy injection former
Shape prepares high-speed heavy-load trains brake disc alloy material, and the pressure of nitrogen is 1.0Mpa, and the temperature of nitrogen is -20 DEG C, institute
The injection temperation for stating alloy melt is 850 DEG C, and cooling velocity is about 103K/s；Spray distance is 280mm.
Embodiment 4
The present embodiment provides a kind of preparation methods of high-speed heavy-load trains brake disc alloy material, specifically include following step
It is rapid:
S1. it melts: Al heat temperature raising being melted to liquid, is sequentially added in proportion at 850 DEG C containing in Ti, Cu, Mn, V
Between alloy, specific mass percent is as follows: Ti:8%, Cu:5%, Mn:1%, V:0.8%, surplus Al are stirred continuously to be formed
The uniform liquid metals of ingredient stands 20min；
S2. it refines: being passed through the high purity anhydrous nitrogen that purity is 99.9% into liquid metals obtained in step S1 and refine,
Time is 50min, and slagging agent is added to liquid metals surface, skims after standing 20min, obtains alloy melt；
S3. injection forming: alloy melt obtained in step S2 is injected into using aluminium alloy injection former
Shape prepares high-speed heavy-load trains brake disc alloy material, and the pressure of nitrogen is 1.0Mpa, and the temperature of nitrogen is -25 DEG C, institute
The injection temperation for stating alloy melt is 800 DEG C, and cooling velocity is about 103K/s；Spray distance is 200mm.
Embodiment 5
The present embodiment provides a kind of preparation methods of high-speed heavy-load trains brake disc alloy material, specifically include following step
It is rapid:
S1. it melts: Al heat temperature raising being melted to liquid, is sequentially added in proportion at 800 DEG C containing in Ti, Cu, Mn, V
Between alloy, specific mass percent is as follows: Ti:1%, Cu:8%, Mn:0.1%, V:2%, surplus Al are stirred continuously to be formed
The uniform liquid metals of ingredient stands 20min；
S2. it refines: being passed through the high purity anhydrous nitrogen that purity is 99.9% into liquid metals obtained in step S1 and refine,
Time is 50min, and slagging agent is added to liquid metals surface, skims after standing 20min, obtains alloy melt；
S3. injection forming: alloy melt obtained in step S2 is injected into using aluminium alloy injection former
Shape prepares high-speed heavy-load trains brake disc alloy material, and the pressure of nitrogen is 1.0Mpa, and the temperature of nitrogen is -25 DEG C, institute
The injection temperation for stating alloy melt is 800 DEG C, and cooling velocity is about 103K/s；Spray distance is 200mm.
Embodiment 6
The present embodiment provides a kind of preparation methods of high-speed heavy-load trains brake disc alloy material, specifically include following step
It is rapid:
S1. it melts: Al heat temperature raising being melted to liquid, is sequentially added in proportion at 850 DEG C containing in Ti, Cu, Mn, V
Between alloy, specific mass percent is as follows: Ti:10%, Cu:5%, Mn:0.2%, V:0.5%, surplus Al are stirred continuously shape
At the uniform liquid metals of ingredient, 20min is stood；
S2. it refines: being passed through the high purity anhydrous nitrogen that purity is 99.9% into liquid metals obtained in step S1 and refine,
Time is 60min, and slagging agent is added to liquid metals surface, skims after standing 15min, obtains alloy melt；
S3. injection forming: alloy melt obtained in step S2 is injected into using aluminium alloy injection former
Shape prepares high-speed heavy-load trains brake disc alloy material, and the pressure of nitrogen is 2.0Mpa, and the temperature of nitrogen is -25 DEG C, institute
The injection temperation for stating alloy melt is 800 DEG C, and cooling velocity is about 105K/s；Spray distance is 200mm.
Comparative example 1
This comparative example provides a kind of preparation method of high-speed heavy-load trains brake disc alloy material referring to embodiment 1, with
Embodiment 1 the difference is that: step S1 chinese raw materials mass percent is as follows: Ti:0.5%, Cu:0.5%, Mn:
0.3%, V:1%, surplus Al.
Comparative example 2
This comparative example provides a kind of preparation method of high-speed heavy-load trains brake disc alloy material referring to embodiment 1, with
Embodiment 1 the difference is that: step S1 chinese raw materials mass percent is as follows: Ti:3%, Cu:2%, Mn:5%, V:
5%, surplus Al.
The high-speed heavy-load trains brake disc prepared to Examples 1 to 6 and comparative example 1~2 carries out intensity, tough with alloy material
The performance tests such as property, thermal expansion coefficient, the results are shown in Table 1.
Table 1
Application examples
The application example provides a kind of high-speed heavy-load trains brake disc, including brake disc matrix, and matrix is equipped with wearing layer, resistance to
It grinds and is equipped with transition zone between layer and matrix, transition zone is made of alloy material obtained in embodiment；The preparation of brake disc
Journey is as follows: alloy material being printed upon on aluminium alloy brake disc matrix by injection forming 3D printing technique, forms transition zone, so
Wearing layer is printed on transition zone afterwards.
Specifically, each material quality ratio of the alloy matrix aluminum of brake disc are as follows: Cu:4%, Mg:2%, Mn:0.5%, surplus
Preparation for Al, alloy matrix aluminum uses common process.Wearing layer in brake disc select titanium alloy injection forming 3D printing and
At each material quality ratio of titanium alloy are as follows: Al:6%, V:4%, ceramic particle: 5%, surplus Ti.
In the application example, transition zone and wearing layer are all made of injection forming 3D printing, and wherein transition region thickness is 2mm, titanium
Alloy wear-resisting layer is with a thickness of 6mm.Specifically, process is as follows: being cleaned, is deoiled to alloy matrix aluminum first, feather plucking processing, so
Alloy material prepared by the present invention is sprayed to aluminium alloy matrix surface afterwards, forms transition zone, transition region thickness 2mm；Finally exist
Transition zone printout surface titanium alloy wearing layer, titanium alloy is sprayed to transition zone, titanium alloy wearing layer is with a thickness of 6mm.
Application examples 1~8
According to the method described above, the brake disc in application examples 1~8 is respectively adopted Examples 1 to 6 and comparative example 1~2 obtains
Alloy material makes brake disc transition zone.
Application examples 9
Titanium alloy wearing layer production brake disc is directly printed in the application example on alloy matrix aluminum.
The brake disc prepared to application examples 1~9 is tested for the property, and test result is as shown in table 2.
Table 2
As can be seen from Table 2, the properties of the brake disc in application examples 1~6 are superior to the brake disc of application examples 7 and 8,
The experimental result illustrates that the performance of the high-speed heavy-load trains brake disc alloy material of Examples 1 to 6 preparation is better than comparative example 1
With 2, wherein best with the effect of embodiment 1.In application examples 9, not set transition zone connects between alloy matrix aluminum and wearing layer
It connects insecure, has seriously affected the working performance and service life of brake disc.
High-speed heavy-load trains brake disc provided by the invention alloy material is applied to production alloy matrix aluminum and wear-resisting
Transition zone between layer, obtained high-speed heavy-load trains brake disc shear strength is good, and the interface binding power of matrix and wearing layer is high,
Long service life, good braking effect are able to satisfy the traveling needs of high-speed heavy-load trains.
Obviously, above-described embodiment is only intended to clearly illustrate technical solution of the present invention example, and is not
Restriction to embodiments of the present invention.For those of ordinary skill in the art, on the basis of the above description also
It can make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in right of the present invention and want
Within the protection scope asked.
Claims (10)
1. a kind of high-speed heavy-load trains brake disc alloy material, which is characterized in that the raw material quality hundred of the alloy material
Divide ratio as follows: Ti:1 ~ 10%, Cu:1 ~ 8%, Mn:0.1 ~ 1%, V:0.5 ~ 2.0%, surplus Al.
2. high-speed heavy-load trains brake disc alloy material according to claim 1, which is characterized in that the alloy material
Raw material quality percentage it is as follows: Ti:2 ~ 8%, Cu:1 ~ 5%, Mn:0.2 ~ 0.8%, V:0.8 ~ 1.5%, surplus Al.
3. high-speed heavy-load trains brake disc alloy material according to claim 2, which is characterized in that the alloy material
Raw material quality percentage it is as follows: Ti:3 ~ 5%, Cu:2 ~ 4%, Mn:0.3 ~ 0.5%, V:1 ~ 1.2%, surplus Al.
4. a kind of preparation method of the described in any item high-speed heavy-load trains brake disc alloy materials of claim 1 ~ 3, special
Sign is, comprising the following steps:
S1. melt: Al heat temperature raising is melted to liquid, sequentially added in proportion within the scope of 750 DEG C ~ 850 DEG C containing Ti, Cu,
The intermediate alloy of Mn, V are stirred continuously the uniform liquid metals of forming component, stand 15 ~ 20min；
S2. it refines: being passed through the high purity anhydrous nitrogen that purity is 99.9% into liquid metals obtained in step S1 and refine, the time
For 40 ~ 60min, slagging agent is added to liquid metals surface, skims after standing 15 ~ 25min, obtains alloy melt；
S3. injection forming: injection forming is carried out to alloy melt obtained in step S2 using aluminium alloy injection former, is made
For high-speed heavy-load trains brake disc alloy material out, the pressure of nitrogen is 1.0 ~ 2.0Mpa in stage of spray forming process, nitrogen
Temperature is -25 ~ -15 DEG C, and the injection temperation of the alloy melt is 800 ~ 850 DEG C, and cooling velocity is about 103 ~ 105K/s；Injection
Distance is 200 ~ 300mm.
5. the preparation method of high-speed heavy-load trains brake disc alloy material according to claim 4, which is characterized in that step
Nitrogen temperature described in rapid S3 is -25 DEG C, and the injection temperation of the alloy melt is 850 DEG C.
6. the preparation method of high-speed heavy-load trains brake disc alloy material according to claim 4, which is characterized in that step
Spray distance described in rapid S3 is 200mm.
7. the preparation method of high-speed heavy-load trains brake disc alloy material according to claim 4, which is characterized in that step
The average crystal grain diameter of high-speed heavy-load trains brake disc alloy material described in rapid S3 is 5 μm.
8. the preparation method of high-speed heavy-load trains brake disc alloy material according to claim 4, which is characterized in that step
The actual density of high-speed heavy-load trains brake disc alloy material described in rapid S3 reaches 99.8% of theoretical density or more.
9. a kind of high-speed heavy-load trains brake disc, which is characterized in that the transition zone in the brake disc uses claim 1 ~ 3 times
Alloy material described in one is made.
10. high-speed heavy-load trains brake disc according to claim 10, which is characterized in that further include following preparation method:
High-speed heavy-load trains brake disc is shaped into 3D printing technique directly on aluminium alloy brake disc matrix by injection with alloy material
Transition zone is formed, the transition region thickness is 2mm.
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| CN201910395299.8A CN110205507B (en) | 2019-05-13 | 2019-05-13 | Alloy material for brake disc of high-speed heavy-load train, preparation method and brake disc |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670003A (en) * | 2019-09-30 | 2020-01-10 | 山东隆基机械股份有限公司 | Mineral material reinforced aluminum-based brake disc and production process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03223437A (en) * | 1990-01-29 | 1991-10-02 | Showa Alum Corp | Low thermal expansion aluminum alloy excellent in wear resistance and elastic modulus |
| WO2002070189A2 (en) * | 2001-03-02 | 2002-09-12 | Pechiney Rhenalu | High temperature aluminum alloy brazing sheet and methods of manufacturing and uses therefor |
| DE69531229T2 (en) * | 1994-12-19 | 2004-06-03 | Corus Aluminium Walzprodukte Gmbh | brazing |
| CN107723645A (en) * | 2017-10-18 | 2018-02-23 | 北京天宜上佳新材料股份有限公司 | A kind of repeatable lightweight brake disc utilized and preparation method thereof |
-
2019
- 2019-05-13 CN CN201910395299.8A patent/CN110205507B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03223437A (en) * | 1990-01-29 | 1991-10-02 | Showa Alum Corp | Low thermal expansion aluminum alloy excellent in wear resistance and elastic modulus |
| DE69531229T2 (en) * | 1994-12-19 | 2004-06-03 | Corus Aluminium Walzprodukte Gmbh | brazing |
| WO2002070189A2 (en) * | 2001-03-02 | 2002-09-12 | Pechiney Rhenalu | High temperature aluminum alloy brazing sheet and methods of manufacturing and uses therefor |
| CN107723645A (en) * | 2017-10-18 | 2018-02-23 | 北京天宜上佳新材料股份有限公司 | A kind of repeatable lightweight brake disc utilized and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670003A (en) * | 2019-09-30 | 2020-01-10 | 山东隆基机械股份有限公司 | Mineral material reinforced aluminum-based brake disc and production process thereof |
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