CN111074179A - Dead-angle-free material convenient to clean for automobile hub - Google Patents
Dead-angle-free material convenient to clean for automobile hub Download PDFInfo
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- CN111074179A CN111074179A CN201911326401.5A CN201911326401A CN111074179A CN 111074179 A CN111074179 A CN 111074179A CN 201911326401 A CN201911326401 A CN 201911326401A CN 111074179 A CN111074179 A CN 111074179A
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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
- C22C49/08—Iron group metals
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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
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
Abstract
The invention discloses a material for a dead-corner-free automobile hub, which is convenient to clean and comprises the following raw materials in parts by weight: 25-36 parts of carbon steel, 5-10 parts of silicon carbide, 10-15 parts of aluminum, 3-6 parts of hollow glass beads, 8-14 parts of polytetrafluoroethylene, 2-7 parts of copper, 1-3 parts of bamboo fibers, 1-3 parts of titanium, 1-3 parts of an antistatic agent, 4-8 parts of boron nitride, 6-8 parts of polyhexamethylene dodecanediamide and 9-12 parts of iron, and relates to the technical field of automobile accessories. This material for no dead angle automobile wheel hub convenient to clearance, when preparing the wheel hub material, through using carbon steel, aluminium, iron and carborundum as the subject material, make the wheel hub who produces have fine tensile strength, and weight is lighter, reach the fuel economy effect, through adding polytetrafluoroethylene and antistatic agent, make the wheel hub surface not be stained with the ash, be convenient for clear up, the user later maintenance has been made things convenient for, through adding polydodecane diacyl hexanediamine, titanium, boron nitride and hollow glass bead, the compressive strength of material has further been improved, but simultaneously acid and alkali corrosion resistance.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a material for a dead-corner-free automobile hub, which is convenient to clean.
Background
The vehicle is a vehicle that has its own power to drive and can be driven by motor without the need of rail or electric power installation. In a vehicle with four-wheel drive, generally referred to as an automobile, the hub is a cylindrical, axle-mounted metal component that supports the tire on its inner contour. Also called rim, steel ring, wheel and tyre bell. The hub has the advantages that the manufacturing process is simple, the cost is relatively low, the metal fatigue resistance is very high, and the hub is commonly called cheap and solid. However, the steel hub has relatively outstanding defects, namely, the steel hub is ugly in appearance, large in weight, large in inertial resistance, poor in heat dissipation and easy to rust, relatively speaking, the alloy hub can just make up for the problem, and the steel hub is light in weight, small in inertial resistance, high in manufacturing precision, small in deformation during high-speed rotation, beneficial to improving the straight-line driving performance of an automobile and reducing the rolling resistance of a tire, so that the oil consumption is reduced.
The prepared hub made of the existing material for the automobile hub is low in tensile strength and compressive strength, and is very heavy, so that oil consumption is increased, when an automobile runs, the surface of the hub is easily stained with dust, a user needs to frequently clean the hub to keep the appearance of the automobile, inconvenience is caused when the hub is cleaned, the hub cannot resist acid and alkali corrosion, the hub is easily rusted after being used for a period of time, the performance is sharply reduced, and the service life is not long.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the material for the automobile hub without the dead angle, which is convenient to clean, and solves the problems of poor hunger resistance effect, high heat, poor edible taste and complex preparation process of the existing material for the automobile hub without the dead angle, which is convenient to clean.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a no dead angle material for automobile wheel hub convenient to clearance, its raw materials include according to weight part: 25-36 parts of carbon steel, 5-10 parts of silicon carbide, 10-15 parts of aluminum, 3-6 parts of hollow glass beads, 8-14 parts of polytetrafluoroethylene, 2-7 parts of copper, 1-3 parts of bamboo fibers, 1-3 parts of titanium, 1-3 parts of antistatic agent, 4-8 parts of boron nitride, 6-8 parts of polyhexamethylene dodecanediamide and 9-12 parts of iron.
Preferably, the raw materials comprise the following components: 25 parts of carbon steel, 10 parts of silicon carbide, 15 parts of aluminum, 3 parts of hollow glass beads, 8 parts of polytetrafluoroethylene, 7 parts of copper, 3 parts of bamboo fibers, 3 parts of titanium, 3 parts of an antistatic agent, 8 parts of boron nitride, 6 parts of polyhexamethylene dodecanediamide and 9 parts of iron.
Preferably, the raw materials comprise the following components: 30 parts of carbon steel, 7 parts of silicon carbide, 13 parts of aluminum, 5 parts of hollow glass beads, 11 parts of polytetrafluoroethylene, 5 parts of copper, 2 parts of bamboo fibers, 2 parts of titanium, 2 parts of an antistatic agent, 6 parts of boron nitride, 7 parts of polyhexamethylene dodecanediamide and 10 parts of iron.
Preferably, the raw materials comprise the following components: 36 parts of carbon steel, 5 parts of silicon carbide, 10 parts of aluminum, 6 parts of hollow glass beads, 14 parts of polytetrafluoroethylene, 2 parts of copper, 1 part of bamboo fiber, 1 part of titanium, 1 part of antistatic agent, 4 parts of boron nitride, 8 parts of polyhexamethylene dodecanediamide and 12 parts of iron.
Preferably, the antistatic agent is a polymeric permanent antistatic agent.
Preferably, the hollow glass beads mainly contain borosilicate, the particle size is 10-30 mu m, and the wall thickness is 1-2 mu m.
Preferably, the bamboo fiber is one of bamboo pulp fiber or bamboo charcoal fiber.
Boron nitride is a crystal composed of nitrogen atoms and boron atoms, and has a chemical composition of 43.6% of boron and 56.4% of nitrogen; the carbon steel contains less than 2.11% of carbon, and iron, carbon, silicon, manganese, phosphorus, sulfur and other impurities within the limit, and does not contain iron-carbon alloy of other alloy elements; the silicon carbide is prepared by mixing quartz sand and coke, adding salt and wood dust into the mixture by using silicon dioxide and petroleum coke, putting the mixture into an electric furnace, heating the mixture to about 2000 ℃, and carrying out various chemical process flows to obtain silicon carbide micro powder.
Preferably, the manufacturing process of the material for the automobile hub specifically comprises the following steps:
s1, selecting raw materials of carbon steel, silicon carbide, aluminum, hollow glass beads, polytetrafluoroethylene, copper, bamboo fiber, titanium, an antistatic agent, boron nitride, polyhexamethylene dodecanediamide and iron, and weighing the raw materials according to the weight part ratio;
s2, selecting the aluminum, the carbon steel, the copper and the iron selected in the S1, adding the aluminum, the carbon steel, the copper and the iron into a vacuum melting furnace, vacuumizing the furnace to 0.4-0.7Pa, heating the temperature in the furnace to 1200-;
s3, selecting the silicon carbide, the hollow glass beads, the polytetrafluoroethylene, the polyhexamethylene dodecanedioyl, the boron nitride and the polyhexamethylene dodecanedioyl selected in the S1, adding the materials into a mixing stirrer, controlling the rotating speed of the mixing stirrer at 300r/mim, the time at 8-10mim, the temperature at 1200-1700 ℃, adding the bamboo fibers after heating, continuing to stir the bamboo fibers, controlling the rotating speed of the mixing stirrer at 200-300r/mim, the time at 6-8mim, controlling the temperature at 200-300 ℃, and obtaining a mixed material after stirring;
s4, rapidly introducing the alloy solution prepared in S3 into mixing and stirring, and mixing the alloy solution with the mixed material prepared in S3, wherein the rotating speed of the mixing and stirring machine is controlled to be 500-700r/mim, the time is controlled to be 60-80S, the temperature is controlled to be 700-800 ℃, and the hub base material is obtained after the mixing and stirring are finished;
s5, cooling the hub base material prepared in the S4 to 400-500 ℃, then pouring the base material into a shaping mold, and obtaining the material for the automobile hub after the temperature is reduced to room temperature.
(III) advantageous effects
The invention provides a material for a dead-corner-free automobile hub, which is convenient to clean. Compared with the prior art, the method has the following beneficial effects: the material convenient for cleaning for the dead-angle-free automobile hub comprises the following raw materials in parts by weight: 25-36 parts of carbon steel, 5-10 parts of silicon carbide, 10-15 parts of aluminum, 3-6 parts of hollow glass beads, 8-14 parts of polytetrafluoroethylene, 2-7 parts of copper, 1-3 parts of bamboo fibers, 1-3 parts of titanium, 1-3 parts of antistatic agent, 4-8 parts of boron nitride, 6-8 parts of polyhexamethylene dodecanediamide, 9-12 parts of iron, S1, and S2, wherein the raw materials comprise carbon steel, silicon carbide, aluminum, hollow glass beads, polytetrafluoroethylene, copper, bamboo fibers, titanium, antistatic agent, boron nitride, polyhexamethylene dodecanediamide and iron, and the raw materials comprise, by weight, aluminum, carbon steel and copper and iron which are selected from S1, are all added into a vacuum melting furnace, the furnace is heated to 1400 ℃ after the vacuum pumping is carried out to 0.4-0.7Pa, the furnace temperature is increased to 1200 ℃, the furnace temperature is increased to S3, the silicon carbide selected from S1, Adding hollow glass beads, polytetrafluoroethylene, polyhexamethylene dodecanediamide, boron nitride and polyhexamethylene dodecanediamide into a mixing stirrer, S4, quickly introducing an alloy solution prepared in S3 into the mixing stirrer, mixing the alloy solution with a mixed material prepared in S3, S5, cooling a hub base material prepared in S4 to 400-500 ℃, pouring the base material into a shaping mold, and cooling to room temperature to obtain the material for the automobile hub Titanium, boron nitride and hollow glass microballon have further improved the compressive strength of material, but acid and alkali corrosion resistance simultaneously for the wheel hub that produces can not rust, long service life, and this material preparation technology step is simple simultaneously, convenient operation, facilitate promotion.
Drawings
FIG. 1 is a statistical table of comparative experimental data according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the embodiment of the present invention provides three technical solutions: the manufacturing process of the material for the dead-corner-free automobile hub convenient to clean comprises the following specific embodiments:
example 1
S1, selecting raw materials of 25 parts of carbon steel, 10 parts of silicon carbide, 15 parts of aluminum, 3 parts of hollow glass beads, 8 parts of polytetrafluoroethylene, 7 parts of copper, 3 parts of bamboo fiber, 3 parts of titanium, 3 parts of an antistatic agent, 8 parts of boron nitride, 6 parts of polyhexamethylene dodecanediamide and 9 parts of iron, and weighing the raw materials according to the weight part ratio;
s2, selecting the aluminum, the carbon steel, the copper and the iron selected in the S1, adding the aluminum, the carbon steel, the copper and the iron into a vacuum smelting furnace, vacuumizing the furnace to 0.4Pa, heating the temperature in the furnace to 1200 ℃, preserving the heat for 2 hours, then continuing to add the titanium into the vacuum smelting furnace, heating the temperature in the furnace to 1600 ℃, and preserving the heat for 1 hour to obtain an alloy solution;
s3, selecting the silicon carbide, the hollow glass beads, the polytetrafluoroethylene, the polyhexamethylene dodecanedioyl diamine, the boron nitride and the polyhexamethylene dodecanedioyl diamine selected in the S1, adding the materials into a mixing stirrer, controlling the rotating speed of the mixing stirrer to be 200r/mim, controlling the time to be 8mim, controlling the temperature to be 1200 ℃, adding the bamboo fibers after heating, continuing to stir the materials, controlling the rotating speed of the mixing stirrer to be 200r/mim, controlling the time to be 6mim, controlling the temperature to be 200 ℃, and obtaining a mixed material after stirring;
s4, rapidly introducing the alloy solution prepared in the S3 into mixing and stirring, and mixing the alloy solution with the mixed material prepared in the S3, wherein the rotating speed of the mixing and stirring machine is controlled at 500r/mim, the time is controlled at 60S, the temperature is controlled at 700 ℃, and after the mixing and stirring are finished, a hub base material is obtained;
s5, cooling the hub base material prepared in the S4 to 400 ℃, pouring the base material into a shaping mold, and cooling to room temperature to obtain the material for the automobile hub.
Example 2
S1, selecting raw materials of 30 parts of carbon steel, 7 parts of silicon carbide, 13 parts of aluminum, 5 parts of hollow glass beads, 11 parts of polytetrafluoroethylene, 5 parts of copper, 2 parts of bamboo fiber, 2 parts of titanium, 2 parts of an antistatic agent, 6 parts of boron nitride, 7 parts of polyhexamethylene dodecanediamide and 10 parts of iron, and weighing the raw materials according to the weight part ratio;
s2, selecting the aluminum, the carbon steel, the copper and the iron selected in the S1, adding the aluminum, the carbon steel, the copper and the iron into a vacuum smelting furnace, vacuumizing the furnace to 0.6Pa, heating the temperature in the furnace to 1300 ℃, preserving the heat for 2.5 hours, then continuing to add the titanium into the vacuum smelting furnace, heating the temperature in the furnace to 1700 ℃, and preserving the heat for 1.5 hours to obtain an alloy solution;
s3, selecting the silicon carbide, the hollow glass beads, the polytetrafluoroethylene, the polyhexamethylene dodecanedioyl diamine, the boron nitride and the polyhexamethylene dodecanedioyl diamine selected in the S1, adding the materials into a mixing stirrer, controlling the rotating speed of the mixing stirrer to be 250r/mim, controlling the time to be 9mim, controlling the temperature to be 1500 ℃, adding the bamboo fibers after heating, continuing to stir the materials, controlling the rotating speed of the mixing stirrer to be 250r/mim, controlling the time to be 7mim, controlling the temperature to be 250 ℃, and obtaining a mixed material after stirring;
s4, rapidly introducing the alloy solution prepared in the S3 into mixing and stirring, and mixing the alloy solution with the mixed material prepared in the S3, wherein the rotating speed of the mixing and stirring machine is controlled at 600r/mim, the time is controlled at 70S, the temperature is controlled at 750 ℃, and the hub base material is obtained after the mixing and stirring are finished;
s5, cooling the hub base material prepared in the S4 to 450 ℃, pouring the base material into a shaping mold, and cooling to room temperature to obtain the material for the automobile hub.
Example 3
S1, selecting raw materials of 36 parts of carbon steel, 5 parts of silicon carbide, 10 parts of aluminum, 6 parts of hollow glass beads, 14 parts of polytetrafluoroethylene, 2 parts of copper, 1 part of bamboo fiber, 1 part of titanium, 1 part of antistatic agent, 4 parts of boron nitride, 8 parts of polyhexamethylene dodecanediamide and 12 parts of iron, and weighing the raw materials according to the weight part ratio;
s2, selecting the aluminum, the carbon steel, the copper and the iron selected in the S1, adding the aluminum, the carbon steel, the copper and the iron into a vacuum smelting furnace, vacuumizing the furnace to 0.7Pa, heating the temperature in the furnace to 1400 ℃, preserving the heat for 3 hours, then continuing to add the titanium into the vacuum smelting furnace, heating the temperature in the furnace to 1800 ℃, and preserving the heat for 2 hours to obtain an alloy solution;
s3, selecting the silicon carbide, the hollow glass beads, the polytetrafluoroethylene, the polyhexamethylene dodecanedioyl diamine, the boron nitride and the polyhexamethylene dodecanedioyl diamine selected in the S1, adding the materials into a mixing stirrer, controlling the rotating speed of the mixing stirrer to be 300r/mim, controlling the time to be 10mim, controlling the temperature to be 1700 ℃, adding the bamboo fibers after heating, continuing to stir the materials, controlling the rotating speed of the mixing stirrer to be 300r/mim, controlling the time to be 8mim, controlling the temperature to be 300 ℃, and obtaining a mixed material after stirring;
s4, rapidly introducing the alloy solution prepared in the S3 into mixing and stirring, and mixing the alloy solution with the mixed material prepared in the S3, wherein the rotating speed of the mixing and stirring machine is controlled at 700r/mim, the time is controlled at 80S, the temperature is controlled at 800 ℃, and after the mixing and stirring are finished, a hub base material is obtained;
s5, cooling the hub base material prepared in the S4 to 500 ℃, pouring the base material into a shaping mold, and cooling to room temperature to obtain the material for the automobile hub.
Test experiments
A hub manufacturer produces the materials for the automobile hubs by respectively using the production processes of the embodiments 1 to 3 and the common process, after production, the materials are made into hubs, and comparison test is carried out on the hubs, and test data shows that the hub made by the materials for the automobile hubs produced in the embodiment 1 can resist 900Mpa pressure, the hub made by the materials for the automobile hubs produced in the embodiment 2 can resist 1000Mpa pressure, the hub made by the materials for the automobile hubs produced in the embodiment 3 can resist 1200Mpa pressure, the hub made by the materials for the automobile hubs produced in the common process can resist 700Mpa pressure, the hubs made by the materials for the automobile hubs produced in the embodiments 1 to 3 can resist acid-base corrosion, the hub made by the materials for the automobile hubs produced in the common process can not resist acid-base corrosion, and the hub made by the materials for the automobile hubs produced in the embodiments 1 to 3 has less dust on the surface after normal driving, meanwhile, dust is easy to clean, and the hub made of the material for the automobile hub produced by the common process has more dust on the surface after normal running, and meanwhile, the dust is not easy to clean.
In conclusion, the material for the automobile hub produced by the manufacturing process in the embodiment 3 is the best.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a no dead angle material for automobile wheel hub which convenient to clearance which characterized in that: the raw materials comprise the following components in parts by weight: 25-36 parts of carbon steel, 5-10 parts of silicon carbide, 10-15 parts of aluminum, 3-6 parts of hollow glass beads, 8-14 parts of polytetrafluoroethylene, 2-7 parts of copper, 1-3 parts of bamboo fibers, 1-3 parts of titanium, 1-3 parts of antistatic agent, 4-8 parts of boron nitride, 6-8 parts of polyhexamethylene dodecanediamide and 9-12 parts of iron.
2. The material convenient for cleaning for the dead-corner-free automobile hub according to claim 1 is characterized in that: the raw materials comprise the following components: 25 parts of carbon steel, 10 parts of silicon carbide, 15 parts of aluminum, 3 parts of hollow glass beads, 8 parts of polytetrafluoroethylene, 7 parts of copper, 3 parts of bamboo fibers, 3 parts of titanium, 3 parts of an antistatic agent, 8 parts of boron nitride, 6 parts of polyhexamethylene dodecanediamide and 9 parts of iron.
3. The material convenient for cleaning for the dead-corner-free automobile hub according to claim 1 is characterized in that: the raw materials comprise the following components: 30 parts of carbon steel, 7 parts of silicon carbide, 13 parts of aluminum, 5 parts of hollow glass beads, 11 parts of polytetrafluoroethylene, 5 parts of copper, 2 parts of bamboo fibers, 2 parts of titanium, 2 parts of an antistatic agent, 6 parts of boron nitride, 7 parts of polyhexamethylene dodecanediamide and 10 parts of iron.
4. The material convenient for cleaning for the dead-corner-free automobile hub according to claim 1 is characterized in that: the raw materials comprise the following components: 36 parts of carbon steel, 5 parts of silicon carbide, 10 parts of aluminum, 6 parts of hollow glass beads, 14 parts of polytetrafluoroethylene, 2 parts of copper, 1 part of bamboo fiber, 1 part of titanium, 1 part of antistatic agent, 4 parts of boron nitride, 8 parts of polyhexamethylene dodecanediamide and 12 parts of iron.
5. The material convenient for cleaning of the dead-corner-free automobile hub according to any one of claims 1 to 4, is characterized in that: the antistatic agent is a high-molecular permanent antistatic agent.
6. The material convenient for cleaning of the dead-corner-free automobile hub according to any one of claims 1 to 4, is characterized in that: the hollow glass bead mainly comprises borosilicate, the granularity is 10-30 mu m, and the wall thickness is 1-2 mu m.
7. The material convenient for cleaning of the dead-corner-free automobile hub according to any one of claims 1 to 4, is characterized in that: the bamboo fiber is one of bamboo pulp fiber or bamboo charcoal fiber.
8. The material convenient for cleaning of the dead-corner-free automobile hub according to any one of claims 1 to 4, is characterized in that: the manufacturing process specifically comprises the following steps:
s1, selecting raw materials of carbon steel, silicon carbide, aluminum, hollow glass beads, polytetrafluoroethylene, copper, bamboo fiber, titanium, an antistatic agent, boron nitride, polyhexamethylene dodecanediamide and iron, and weighing the raw materials according to the weight part ratio;
s2, selecting the aluminum, the carbon steel, the copper and the iron selected in the S1, adding the aluminum, the carbon steel, the copper and the iron into a vacuum melting furnace, vacuumizing the furnace to 0.4-0.7Pa, heating the temperature in the furnace to 1200-;
s3, selecting the silicon carbide, the hollow glass beads, the polytetrafluoroethylene, the polyhexamethylene dodecanedioyl, the boron nitride and the polyhexamethylene dodecanedioyl selected in the S1, adding the materials into a mixing stirrer, controlling the rotating speed of the mixing stirrer at 300r/mim, the time at 8-10mim, the temperature at 1200-1700 ℃, adding the bamboo fibers after heating, continuing to stir the bamboo fibers, controlling the rotating speed of the mixing stirrer at 200-300r/mim, the time at 6-8mim, controlling the temperature at 200-300 ℃, and obtaining a mixed material after stirring;
s4, rapidly introducing the alloy solution prepared in S3 into mixing and stirring, and mixing the alloy solution with the mixed material prepared in S3, wherein the rotating speed of the mixing and stirring machine is controlled to be 500-700r/mim, the time is controlled to be 60-80S, the temperature is controlled to be 700-800 ℃, and the hub base material is obtained after the mixing and stirring are finished;
s5, cooling the hub base material prepared in the S4 to 400-500 ℃, then pouring the base material into a shaping mold, and obtaining the material for the automobile hub after the temperature is reduced to room temperature.
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| CN201911326401.5A CN111074179A (en) | 2019-12-20 | 2019-12-20 | Dead-angle-free material convenient to clean for automobile hub |
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| CN201911326401.5A CN111074179A (en) | 2019-12-20 | 2019-12-20 | Dead-angle-free material convenient to clean for automobile hub |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108070759A (en) * | 2017-11-28 | 2018-05-25 | 徐鹏威 | A kind of aluminum alloy materials and its preparation process for producing automotive hub |
| CN108913931A (en) * | 2018-06-25 | 2018-11-30 | 宁波展欣汽车科技发展有限公司 | The preparation method of aluminium alloy automobile hub |
-
2019
- 2019-12-20 CN CN201911326401.5A patent/CN111074179A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108070759A (en) * | 2017-11-28 | 2018-05-25 | 徐鹏威 | A kind of aluminum alloy materials and its preparation process for producing automotive hub |
| CN108913931A (en) * | 2018-06-25 | 2018-11-30 | 宁波展欣汽车科技发展有限公司 | The preparation method of aluminium alloy automobile hub |
Non-Patent Citations (3)
| Title |
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| 产文涛等: "尼龙612/6共聚物热降解动力学的研究", 《塑料科技》 * |
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