CN110548828A - preparation method of corrosion-resistant aluminum alloy automobile hub - Google Patents
preparation method of corrosion-resistant aluminum alloy automobile hub Download PDFInfo
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- CN110548828A CN110548828A CN201910733088.0A CN201910733088A CN110548828A CN 110548828 A CN110548828 A CN 110548828A CN 201910733088 A CN201910733088 A CN 201910733088A CN 110548828 A CN110548828 A CN 110548828A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/40—Making machine elements wheels; discs hubs
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
- C09D5/038—Anticorrosion agents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/04—Light metals
- C22C49/06—Aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Metallurgy (AREA)
- Powder Metallurgy (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
Abstract
the invention discloses a corrosion-resistant aluminum alloy automobile hub which comprises, by weight, 93-95 parts of aluminum, 2-3 parts of magnesium, 1-2 parts of zinc, 1-2 parts of ceramic powder, 0.5-1 part of nano montmorillonite and 0.5-1 part of carbon fiber. The ceramic powder comprises, by weight, 70-80 parts of zirconium oxide, 10-15 parts of cerium oxide, 3-5 parts of nickel oxide, 5-10 parts of silicon oxide, 2-5 parts of scandium oxide and 1-5 parts of magnesium oxide. According to the preparation method of the corrosion-resistant aluminum alloy automobile hub, the aluminum alloy automobile hub is high in mechanical strength and excellent in corrosion resistance.
Description
Technical Field
the invention relates to an automobile hub, in particular to a preparation method of a corrosion-resistant aluminum alloy automobile hub.
Background
Common automobile hubs include steel hubs and aluminum alloy hubs. The aluminum alloy hub has the following advantages: the appearance is beautiful and elegant; light weight and oil saving; the expansion rate is high, and the elasticity is good; the heat conductivity is good; the roundness is good, the deformation is not easy, and the high-speed running is suitable; the elasticity is good, improves the ride comfort in the vehicle operation, and is easier to absorb vibration and noise in the motion. However, the aluminum alloy hub has poor corrosion resistance, and rust or the like occurs after long-term use. Therefore, a preparation method of the corrosion-resistant aluminum alloy automobile hub needs to be researched.
disclosure of Invention
The invention aims to provide a preparation method of a corrosion-resistant aluminum alloy automobile hub to overcome the defects of the prior art.
In order to achieve the purpose, the preparation method of the corrosion-resistant aluminum alloy automobile hub comprises the following steps:
The method comprises the following steps of firstly, preparing materials, wherein the aluminum alloy automobile hub comprises 93-95 parts of aluminum, 2-3 parts of magnesium, 1-2 parts of zinc, 1-2 parts of ceramic powder, 0.5-1 part of nano montmorillonite and 0.5-1 part of carbon fiber in parts by weight;
step two, high-temperature forging, in which 93-95 parts of aluminum, 2-3 parts of magnesium, 1-2 parts of zinc, 1-2 parts of ceramic powder, 0.5-1 part of nano montmorillonite and 0.5-1 part of carbon fiber are mixed according to parts by weight and then are heated and smelted under the protection of inert gas, the heating temperature is 800-900 ℃, the heating time is 30min, and then the mixture is cooled to 460-500 ℃, and the temperature is kept for 1 hour, so that a forged blank is obtained;
Thirdly, isothermal forging, namely putting the forging blank into a forging die below a forging press for isothermal forging for 2-3 times to obtain an aluminum alloy wheel hub primary finished product;
Fourthly, cooling and forging, namely sequentially putting the primary finished product of the aluminum alloy hub into forging dies with different precisions for cooling and forging for 2-3 times, wherein the temperature gradient is 5-10 ℃/min, and finally controlling the temperature to be 350 ℃;
Fifthly, carrying out extrusion molding, carrying out final extrusion molding on the aluminum alloy hub, and cooling to obtain the aluminum alloy automobile hub;
and sixthly, powder spraying, namely coating the obtained aluminum alloy automobile hub with powder coating, wherein the powder coating comprises 30-40 parts by weight of epoxy resin, 10-20 parts by weight of polytetrafluoroethylene resin, 10-15 parts by weight of organic silicon modified polyester epoxy resin, 2-3 parts by weight of isocyanate, 1-2 parts by weight of flatting agent, 2-5 parts by weight of color and 20-30 parts by weight of corrosion-resistant filler.
The automobile hub coated with the paint can be dustproof, waterproof and wear-resistant, so that the cleanliness of the automobile hub can be maintained.
the ceramic powder comprises, by weight, 70-80 parts of zirconium oxide, 10-15 parts of cerium oxide, 3-5 parts of nickel oxide, 5-10 parts of silicon oxide, 2-5 parts of scandium oxide and 1-5 parts of magnesium oxide; the preparation method of the ceramic powder comprises the steps of mixing 70-80 parts of zirconium oxide, 10-15 parts of cerium oxide, 3-5 parts of nickel oxide, 5-10 parts of silicon oxide, 2-5 parts of scandium oxide and 1-5 parts of magnesium oxide, mixing with deionized water and a dispersing agent, carrying out ball milling to prepare slurry, then adding a binder, carrying out ball milling continuously, and finally carrying out spray granulation to obtain the composite ceramic finished product powder.
The corrosion-resistant filler comprises, by weight, 70-80 parts of silicon tetrafluoride particles, 3-5 parts of tourmaline powder, 1-2 parts of graphene and 10-15 parts of silicon carbide.
According to the preparation method of the corrosion-resistant aluminum alloy automobile hub, the aluminum alloy automobile hub is high in mechanical strength and excellent in corrosion resistance.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1:
The preparation method of the corrosion-resistant aluminum alloy automobile hub provided by the embodiment comprises the following steps:
The method comprises the following steps of firstly, preparing materials, wherein the aluminum alloy automobile hub comprises 93 parts of aluminum, 2 parts of magnesium, 1 part of zinc, 1 part of ceramic powder, 0.5 part of nano montmorillonite and 0.5 part of carbon fiber in parts by weight;
step two, high-temperature forging, namely mixing 93 parts of aluminum, 2 parts of magnesium, 1 part of zinc, 1 part of ceramic powder, 0.5 part of nano-montmorillonite and 0.5 part of carbon fiber in parts by weight, heating and smelting under the protection of inert gas at the heating temperature of 800-900 ℃ for 30min, cooling to the temperature of 460-500 ℃, and preserving heat for 1 hour to obtain a forged blank;
Thirdly, isothermal forging, namely putting the forging blank into a forging die below a forging press for isothermal forging for 2-3 times to obtain an aluminum alloy wheel hub primary finished product;
fourthly, cooling and forging, namely sequentially putting the primary finished product of the aluminum alloy hub into forging dies with different precisions for cooling and forging for 2-3 times, wherein the temperature gradient is 5-10 ℃/min, and finally controlling the temperature to be 350 ℃;
Fifthly, carrying out extrusion molding, carrying out final extrusion molding on the aluminum alloy hub, and cooling to obtain the aluminum alloy automobile hub;
And sixthly, powder spraying, namely coating the obtained aluminum alloy automobile hub with powder coating, wherein the powder coating comprises 30 parts by weight of epoxy resin, 10 parts by weight of polytetrafluoroethylene resin, 10 parts by weight of organic silicon modified polyester epoxy resin, 2 parts by weight of isocyanate, 1 part by weight of flatting agent, 2 parts by weight of color and 20 parts by weight of corrosion-resistant filler.
The ceramic powder comprises, by weight, 70 parts of zirconium oxide, 10 parts of cerium oxide, 3 parts of nickel oxide, 5 parts of silicon oxide, 2 parts of scandium oxide and 1 part of magnesium oxide; the preparation method of the ceramic powder comprises the steps of mixing 70 parts of zirconium oxide, 10 parts of cerium oxide, 3 parts of nickel oxide, 5 parts of silicon oxide, 2 parts of scandium oxide and 1 part of magnesium oxide, mixing with deionized water and a dispersing agent, carrying out ball milling to prepare slurry, then adding a binder, carrying out ball milling continuously, and finally carrying out spray granulation to obtain the composite ceramic finished product powder.
the corrosion-resistant filler comprises, by weight, 70 parts of silicon tetrafluoride particles, 3 parts of tourmaline powder, 1 part of graphene and 10 parts of silicon carbide.
Through tests, the corrosion-resistant aluminum alloy automobile hub obtained by the embodiment has excellent mechanical strength and corrosion resistance.
Example 2:
The preparation method of the corrosion-resistant aluminum alloy automobile hub provided by the embodiment is the same as that of the embodiment 1 in terms of the general mixture ratio, and is mainly characterized in that the aluminum alloy automobile hub comprises, by weight, 95 parts of aluminum, 3 parts of magnesium, 2 parts of zinc, 2 parts of ceramic powder, 1 part of nano montmorillonite and 1 part of carbon fiber.
Through tests, the corrosion-resistant aluminum alloy automobile hub obtained by the embodiment has excellent mechanical strength and corrosion resistance.
example 3:
The preparation method of the corrosion-resistant aluminum alloy automobile hub provided by the embodiment is the same as that of the embodiment 1 in terms of the general mixture ratio, and the main difference is that the ceramic powder comprises, by weight, 80 parts of zirconium oxide, 15 parts of cerium oxide, 5 parts of nickel oxide, 10 parts of silicon oxide, 5 parts of scandium oxide and 5 parts of magnesium oxide.
Through tests, the corrosion-resistant aluminum alloy automobile hub obtained by the embodiment has excellent mechanical strength and corrosion resistance.
Example 4:
the preparation method of the corrosion-resistant aluminum alloy automobile hub provided by the embodiment is the same as that of the embodiment 1 in terms of the general mixture ratio, and the main difference is that the powder coating comprises 40 parts by weight of epoxy resin, 20 parts by weight of polytetrafluoroethylene resin, 15 parts by weight of organic silicon modified polyester epoxy resin, 3 parts by weight of isocyanate, 2 parts by weight of a leveling agent, 5 parts by weight of color and 30 parts by weight of corrosion-resistant filler. The corrosion-resistant filler comprises 80 parts of silicon tetrafluoride particles, 5 parts of tourmaline powder, 2 parts of graphene and 15 parts of silicon carbide in parts by weight.
through tests, the corrosion-resistant aluminum alloy automobile hub obtained by the embodiment has excellent mechanical strength and corrosion resistance.
Claims (3)
1. The preparation method of the corrosion-resistant aluminum alloy automobile hub is characterized by comprising the following steps:
The method comprises the following steps of firstly, preparing materials, wherein the aluminum alloy automobile hub comprises 93-95 parts of aluminum, 2-3 parts of magnesium, 1-2 parts of zinc, 1-2 parts of ceramic powder, 0.5-1 part of nano montmorillonite and 0.5-1 part of carbon fiber in parts by weight;
step two, high-temperature forging, in which 93-95 parts of aluminum, 2-3 parts of magnesium, 1-2 parts of zinc, 1-2 parts of ceramic powder, 0.5-1 part of nano montmorillonite and 0.5-1 part of carbon fiber are mixed according to parts by weight and then are heated and smelted under the protection of inert gas, the heating temperature is 800-900 ℃, the heating time is 30min, and then the mixture is cooled to 460-500 ℃, and the temperature is kept for 1 hour, so that a forged blank is obtained;
Thirdly, isothermal forging, namely putting the forging blank into a forging die below a forging press for isothermal forging for 2-3 times to obtain an aluminum alloy wheel hub primary finished product;
Fourthly, cooling and forging, namely sequentially putting the primary finished product of the aluminum alloy hub into forging dies with different precisions for cooling and forging for 2-3 times, wherein the temperature gradient is 5-10 ℃/min, and finally controlling the temperature to be 350 ℃;
Fifthly, carrying out extrusion molding, carrying out final extrusion molding on the aluminum alloy hub, and cooling to obtain the aluminum alloy automobile hub;
and sixthly, powder spraying, namely coating the obtained aluminum alloy automobile hub with powder coating, wherein the powder coating comprises 30-40 parts by weight of epoxy resin, 10-20 parts by weight of polytetrafluoroethylene resin, 10-15 parts by weight of organic silicon modified polyester epoxy resin, 2-3 parts by weight of isocyanate, 1-2 parts by weight of flatting agent, 2-5 parts by weight of color and 20-30 parts by weight of corrosion-resistant filler.
2. The method for preparing the corrosion-resistant aluminum alloy automobile hub according to claim 1, characterized in that: the ceramic powder comprises, by weight, 70-80 parts of zirconium oxide, 10-15 parts of cerium oxide, 3-5 parts of nickel oxide, 5-10 parts of silicon oxide, 2-5 parts of scandium oxide and 1-5 parts of magnesium oxide; the preparation method of the ceramic powder comprises the steps of mixing 70-80 parts of zirconium oxide, 10-15 parts of cerium oxide, 3-5 parts of nickel oxide, 5-10 parts of silicon oxide, 2-5 parts of scandium oxide and 1-5 parts of magnesium oxide, mixing with deionized water and a dispersing agent, carrying out ball milling to prepare slurry, then adding a binder, carrying out ball milling continuously, and finally carrying out spray granulation to obtain the composite ceramic finished product powder.
3. The method for preparing the corrosion-resistant aluminum alloy automobile hub according to claim 1, characterized in that: the corrosion-resistant filler comprises, by weight, 70-80 parts of silicon tetrafluoride particles, 3-5 parts of tourmaline powder, 1-2 parts of graphene and 10-15 parts of silicon carbide.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910733088.0A CN110548828A (en) | 2019-08-09 | 2019-08-09 | preparation method of corrosion-resistant aluminum alloy automobile hub |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910733088.0A CN110548828A (en) | 2019-08-09 | 2019-08-09 | preparation method of corrosion-resistant aluminum alloy automobile hub |
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| CN201910733088.0A Pending CN110548828A (en) | 2019-08-09 | 2019-08-09 | preparation method of corrosion-resistant aluminum alloy automobile hub |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814621A (en) * | 2011-06-07 | 2012-12-12 | 韦光东 | Automobile hub isothermal forging and spinning forming process |
| CN108796263A (en) * | 2018-06-21 | 2018-11-13 | 宁波展欣汽车科技发展有限公司 | The preparation method of anticorrosion aluminium automotive hub |
| CN109233387A (en) * | 2018-08-07 | 2019-01-18 | 安徽江淮车轮有限公司 | A kind of antirusting paint for automotive hub |
| CN109797324A (en) * | 2019-02-22 | 2019-05-24 | 浙江铂动工贸有限公司 | A kind of manufacturing method of antirust composition wheel hub |
-
2019
- 2019-08-09 CN CN201910733088.0A patent/CN110548828A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814621A (en) * | 2011-06-07 | 2012-12-12 | 韦光东 | Automobile hub isothermal forging and spinning forming process |
| CN108796263A (en) * | 2018-06-21 | 2018-11-13 | 宁波展欣汽车科技发展有限公司 | The preparation method of anticorrosion aluminium automotive hub |
| CN109233387A (en) * | 2018-08-07 | 2019-01-18 | 安徽江淮车轮有限公司 | A kind of antirusting paint for automotive hub |
| CN109797324A (en) * | 2019-02-22 | 2019-05-24 | 浙江铂动工贸有限公司 | A kind of manufacturing method of antirust composition wheel hub |
Non-Patent Citations (1)
| Title |
|---|
| 姚迎等: "《化学知识辞典》", 30 September 1995 * |
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