CN108950313A - The preparation method of high-strength aluminum alloy automotive hub - Google Patents
The preparation method of high-strength aluminum alloy automotive hub Download PDFInfo
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- CN108950313A CN108950313A CN201810637925.5A CN201810637925A CN108950313A CN 108950313 A CN108950313 A CN 108950313A CN 201810637925 A CN201810637925 A CN 201810637925A CN 108950313 A CN108950313 A CN 108950313A
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- 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
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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
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- 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
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- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
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- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1073—Infiltration or casting under mechanical pressure, e.g. squeeze casting
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- 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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0084—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ carbon or graphite as the main non-metallic constituent
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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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- Mechanical Engineering (AREA)
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- Wood Science & Technology (AREA)
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Abstract
The invention discloses a kind of high-strength aluminum alloy automotive hubs, it include by weight 95-97 parts of aluminium, 1-1.5 parts of magnesium, 0.2-0.5 parts of chromium, 0.5-0.8 parts of zinc, 0.05-0.1 parts of tin, 0.5-0.8 parts of iron, 1-2 parts of high-strength nano powder, wherein the high-strength nano powder includes 50-70 parts of graphenes, 10-15 parts of silicon carbide, 5-8 parts of ocratations, 2-5 parts of boron nitride, 1-3 parts of rare earth powders by weight.A kind of preparation method for high-strength aluminum alloy automotive hub that the present invention obtains, the high mechanical strength of this kind of aluminium alloy automobile hub, especially shock resistance is superior, effectively overcomes the defect of aluminium alloy matter wheel hub poor durability in the prior art, and then improves the applicability of aluminium alloy matter wheel hub.In addition, the preparation method raw material is easy to get, process is simple, convenient for being widely used.
Description
Technical field
The present invention relates to a kind of automotive hub, especially a kind of preparation method of high-strength aluminum alloy automotive hub.
Background technique
Common automotive hub has steel wheel hub and aluminium alloy matter wheel hub.Aluminium alloy wheel hub has the advantage that beautiful big
Side；It is light, fuel-efficient；Expansion and contraction is high, and elasticity is good；Heat conductivity is good；It is good to protect circle property, is unlikely to deform, is suitble to run at high speed；Elasticity
It is good, improve the ride comfort in vehicle driving, it is easier to absorb the vibration and noise in movement.But aluminium alloy matter wheel hub is durable
Property it is poor, deform and cannot repair after encountering the collision of hard object.Therefore need to study a kind of high-strength aluminum alloy automotive hub
Preparation method.
Summary of the invention
A kind of high-strength aluminum alloy automotive wheels are provided the purpose of the present invention is to solve above-mentioned the deficiencies in the prior art
The preparation method of hub.
To achieve the goals above, the preparation method of a kind of high-strength aluminum alloy automotive hub designed by the present invention, packet
Include following steps:
A, ingredient, the aluminium alloy automobile hub include by weight 95-97 parts of aluminium, 1-1.5 parts of magnesium, 0.2-0.5 parts of chromium,
0.5-0.8 parts of zinc, 0.05-0.1 parts of tin, 0.5-0.8 parts of iron, 1-2 parts of high-strength nano powder, wherein the high-strength nano powder
End includes 50-70 parts of graphenes, 10-15 parts of silicon carbide, 5-8 parts of ocratations, 2-5 parts of boron nitride, 1-3 parts of rare earths by weight
Powder；
B, prepared by high-strength nano powder, by weight by 50-70 parts of graphenes, 10-15 parts of silicon carbide, 5-8 parts of tetrafluoros
SiClx, 2-5 part boron nitride, 1-3 parts of rare earth powders are ground, at a temperature of 400-450 DEG C after heating 2h to obtain the final product；
C, high melt, by weight by 95-97 parts of aluminium, 1-1.5 parts of magnesium, 0.2-0.5 parts of chromium, 0.5-0.8 parts of zinc,
It is molten that heating is carried out under inert gas shielding after 0.05-0.1 parts of tin, 0.5-0.8 parts of iron, 1-2 parts of high-strength nano powder mixing
Refining, heating temperature are 950-1000 DEG C, heating time 30min, and slagging agent is then added into the mixed system and is beaten
Slag treatment；
D, slag hitting treated mixed system is carried out die cast, is cooling aluminium alloy automobile hub is made by die casting；
E, coating carries out coating paint vehicle in above-mentioned aluminium alloy automobile hub outer surface, and the paint vehicle includes gathering by weight
It is 20-30 parts of tetrafluoroethylene resin, 15-20 parts of graphene, 2-5 parts of catalyst, 20-25 parts of epoxy resin, 5-10 parts of polyurethane, resistance to
0.5-1 parts of grinding agent, 1-2 parts of levelling agent, 0.5-1 parts of defoaming agent, 60-70 parts of solvent, wherein catalyst is the quaternary of Y, Cr, W, Ti
Oxide, the molar ratio of above-mentioned element are Y:Cr:W:Ti=1:1:2:1, and the anti-wear agent includes 50-60 parts of oxidations by weight
Silicon, 10-15 part carbon black, 5-10 parts of kaolin and 5-10 parts of molybdenum oxides.
The slagging agent is one or more of silica, sodium chloride, prodan.
The preparation method of catalyst is to take Y in the paint vehicle2O3And Cr2O3After mixing, after ground, tabletting, it is placed in platinum
It in crucible, is taken out after 1200 DEG C of roasting 12h, after being cooled to room temperature, WO is added3Continue to grind, after tabletting, is placed in platinum crucible
In, it takes out, after being cooled to room temperature, pulverizes, tabletting is placed in platinum crucible again, 1200 after 1100 DEG C of roasting 15h
DEG C roasting 12h after take out, after being cooled to room temperature, pulverize as far as possible, filter out powder of the partial size less than 100 microns, then will
It is put into the ethanol solution containing tetra-n-butyl titanate, after being vigorously stirred 2h, under agitation slowly dries ethyl alcohol,
Grind into powder after obtained solid is dried through high temperature, tabletting are placed in platinum crucible, are taken out after 1200 DEG C of roasting 12h,
Catalyst is obtained after being cooled to room temperature.
A kind of preparation method for high-strength aluminum alloy automotive hub that the present invention obtains, the machine of this kind of aluminium alloy automobile hub
Tool intensity is high, and especially shock resistance is superior, effectively overcomes lacking for aluminium alloy matter wheel hub poor durability in the prior art
It falls into, and then improves the applicability of aluminium alloy matter wheel hub.In addition, the preparation method raw material is easy to get, process is simple, convenient for making extensively
With.
Specific embodiment
Below with reference to embodiment, the present invention is further described.
Embodiment 1:
A kind of preparation method of high-strength aluminum alloy automotive hub provided in this embodiment, comprising the following steps:
A, ingredient, the aluminium alloy automobile hub include by weight 95 parts of aluminium, 1 part of magnesium, 0.2 part of chromium, 0.5 part of zinc,
0.05 part of tin, 0.5 part of iron, 1 part of high-strength nano powder, wherein the high-strength nano powder includes 50 parts of graphite by weight
Alkene, 10 parts of silicon carbide, 5 parts of ocratations, 2 parts of boron nitride, 1 part of rare earth powder；
B, prepared by high-strength nano powder, by weight by 50 parts of graphenes, 10 parts of silicon carbide, 5 parts of ocratations, 2 parts
Boron nitride, 1 part of rare earth powder are ground, at a temperature of 400-450 DEG C after heating 2h to obtain the final product；
C, high melt, by weight by 95 parts of aluminium, 1 part of magnesium, 0.2 part of chromium, 0.5 part of zinc, 0.05 part of tin, 0.5 part of iron, 1
Heating melting is carried out after part high-strength nano powder mixing under inert gas shielding, heating temperature is 950-1000 DEG C, heating
Time is 30min, and slagging agent is then added into the mixed system and carries out slag hitting processing；
D, slag hitting treated mixed system is carried out die cast, is cooling aluminium alloy automobile hub is made by die casting；
E, coating carries out coating paint vehicle in above-mentioned aluminium alloy automobile hub outer surface, and the paint vehicle includes gathering by weight
20 parts of tetrafluoroethylene resin, 15 parts of graphene, 2 parts of catalyst, 20 parts of epoxy resin, 5 parts of polyurethane, 0.5 part of anti-wear agent, levelling
1 part of agent, 0.5 part of defoaming agent, 60 parts of solvent, wherein catalyst is the quaternary oxide of Y, Cr, W, Ti, the molar ratio of above-mentioned element
For Y:Cr:W:Ti=1:1:2:1, the anti-wear agent includes 50 parts of silica, 10 parts of carbon blacks, 5 parts of kaolin and 5 by weight
Part molybdenum oxide.
The slagging agent is one or more of silica, sodium chloride, prodan.
The preparation method of catalyst is to take Y in the paint vehicle2O3And Cr2O3After mixing, after ground, tabletting, it is placed in platinum
It in crucible, is taken out after 1200 DEG C of roasting 12h, after being cooled to room temperature, WO is added3Continue to grind, after tabletting, is placed in platinum crucible
In, it takes out, after being cooled to room temperature, pulverizes, tabletting is placed in platinum crucible again, 1200 after 1100 DEG C of roasting 15h
DEG C roasting 12h after take out, after being cooled to room temperature, pulverize as far as possible, filter out powder of the partial size less than 100 microns, then will
It is put into the ethanol solution containing tetra-n-butyl titanate, after being vigorously stirred 2h, under agitation slowly dries ethyl alcohol,
Grind into powder after obtained solid is dried through high temperature, tabletting are placed in platinum crucible, are taken out after 1200 DEG C of roasting 12h,
Catalyst is obtained after being cooled to room temperature.
After tested, the high-strength aluminum alloy automotive hub that the present embodiment obtains, tensile strength 600MPa, yield strength
For 450MPa, elongation percentage 16%.High-strength aluminum alloy automotive hub provided by the invention has excellent mechanical strength, especially
It is impact strength.
Embodiment 2:
A kind of preparation method of high-strength aluminum alloy automotive hub provided in this embodiment, substantially proportion and embodiment 1
Identical, it includes 97 parts of aluminium, 1.5 parts of magnesium, 0.5 part of chromium, 0.8 part that the main distinction, which is the aluminium alloy automobile hub by weight,
Zinc, 0.1 part of tin, 0.8 part of iron, 2 parts of high-strength nano powder, wherein the high-strength nano powder includes 70 parts of stones by weight
Black alkene, 15 parts of silicon carbide, 8 parts of ocratations, 5 parts of boron nitride, 3 parts of rare earth powders.
After tested, the high-strength aluminum alloy automotive hub that the present embodiment obtains, tensile strength 600MPa, yield strength
For 450MPa, elongation percentage 16%.High-strength aluminum alloy automotive hub provided by the invention has excellent mechanical strength, especially
It is impact strength.
Embodiment 3:
A kind of preparation method of high-strength aluminum alloy automotive hub provided in this embodiment, substantially proportion and embodiment 1
Identical, it includes 30 parts of polyflon, 20 parts of graphene, catalyst 5 that the main distinction, which is the paint vehicle by weight,
Part, 25 parts of epoxy resin, 10 parts of polyurethane, 1 part of anti-wear agent, 2 parts of levelling agent, 1 part of defoaming agent, 70 parts of solvent, wherein catalyst
Molar ratio for the quaternary oxide of Y, Cr, W, Ti, above-mentioned element is Y:Cr:W:Ti=1:1:2:1, and the anti-wear agent is by weight
Part includes 60 parts of silica, 15 parts of carbon blacks, 10 parts of kaolin and 10 parts of molybdenum oxides.
After tested, the high-strength aluminum alloy automotive hub that the present embodiment obtains, tensile strength 600MPa, yield strength
For 450MPa, elongation percentage 16%.High-strength aluminum alloy automotive hub provided by the invention has excellent mechanical strength, especially
It is impact strength.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (3)
1. a kind of preparation method of high-strength aluminum alloy automotive hub, which comprises the following steps:
A, ingredient, the aluminium alloy automobile hub include 95-97 parts of aluminium, 1-1.5 parts of magnesium, 0.2-0.5 parts of chromium, 0.5- by weight
0.8 part of zinc, 0.05-0.1 parts of tin, 0.5-0.8 parts of iron, 1-2 parts of high-strength nano powder, wherein the high-strength nano powder is pressed
Parts by weight include 50-70 parts of graphenes, 10-15 parts of silicon carbide, 5-8 parts of ocratations, 2-5 parts of boron nitride, 1-3 parts of rare earth powder
End；
B, high-strength nano powder prepare, by weight by 50-70 parts of graphenes, 10-15 parts of silicon carbide, 5-8 parts of ocratations,
2-5 parts of boron nitride, 1-3 parts of rare earth powders are ground, at a temperature of 400-450 DEG C after heating 2h to obtain the final product；
C, high melt, by weight by 95-97 parts of aluminium, 1-1.5 parts of magnesium, 0.2-0.5 parts of chromium, 0.5-0.8 parts of zinc, 0.05-0.1
Heating melting, heating temperature are carried out under inert gas shielding after part tin, 0.5-0.8 parts of iron, 1-2 parts of high-strength nano powder mixing
Degree is 950-1000 DEG C, heating time 30min, and slagging agent is then added into the mixed system and carries out slag hitting processing；
D, slag hitting treated mixed system is carried out die cast, is cooling aluminium alloy automobile hub is made by die casting；
E, coating carries out coating paint vehicle in above-mentioned aluminium alloy automobile hub outer surface, and the paint vehicle includes polytetrafluoro by weight
20-30 parts of vinyl, 15-20 parts of graphene, 2-5 parts of catalyst, 20-25 parts of epoxy resin, 5-10 parts of polyurethane, anti-wear agent
0.5-1 parts, 1-2 parts of levelling agent, 0.5-1 parts of defoaming agent, 60-70 parts of solvent, wherein catalyst is that the quaternary of Y, Cr, W, Ti aoxidize
Object, the molar ratio of above-mentioned element are Y:Cr:W:Ti=1:1:2:1, the anti-wear agent include by weight 50-60 parts of silica,
10-15 parts of carbon blacks, 5-10 parts of kaolin and 5-10 parts of molybdenum oxides.
2. the preparation method of high-strength aluminum alloy automotive hub according to claim 1, it is characterised in that: the slagging agent
For one or more of silica, sodium chloride, prodan.
3. the preparation method of high-strength aluminum alloy automotive hub according to claim 1, it is characterised in that: in the paint vehicle
The preparation method of catalyst is to take Y2O3And Cr2O3It after mixing, after ground, tabletting, is placed in platinum crucible, 1200 DEG C of roastings
It is taken out after 12h, after being cooled to room temperature, WO is added3Continue to grind, after tabletting, be placed in platinum crucible, after 1100 DEG C of roasting 15h
It takes out, after being cooled to room temperature, pulverizes, tabletting is placed in platinum crucible again, is taken out after 1200 DEG C of roasting 12h, cold
But it to after room temperature, pulverizes as far as possible, filters out powder of the partial size less than 100 microns, then put it into containing metatitanic acid four
In the ethanol solution of N-butyl, after being vigorously stirred 2h, ethyl alcohol is slowly dried under agitation, obtained solid is dried through high temperature
Grind into powder later, tabletting are placed in platinum crucible, are taken out after 1200 DEG C of roasting 12h, are urged after being cooled to room temperature
Agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810637925.5A CN108950313A (en) | 2018-06-20 | 2018-06-20 | The preparation method of high-strength aluminum alloy automotive hub |
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| CN201810637925.5A CN108950313A (en) | 2018-06-20 | 2018-06-20 | The preparation method of high-strength aluminum alloy automotive hub |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468354A (en) * | 2019-08-09 | 2019-11-19 | 陈秀英 | The preparation method of shock resistance aluminium alloy automobile hub |
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|---|---|---|---|---|
| US4146164A (en) * | 1977-11-09 | 1979-03-27 | Aluminum Company Of America | Production of aluminum brazing sheet |
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| JP5083965B2 (en) * | 2007-12-28 | 2012-11-28 | 日立金属株式会社 | Casting compressor impeller |
| JP2016049844A (en) * | 2014-08-29 | 2016-04-11 | 日立金属株式会社 | Load wheel made of aluminum alloy |
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| CN106086531A (en) * | 2016-06-16 | 2016-11-09 | 芜湖黄燕实业有限公司 | Shock resistance aluminium alloy for automotive hub and preparation method thereof |
| CN106086482A (en) * | 2016-06-16 | 2016-11-09 | 芜湖黄燕实业有限公司 | High-strength aluminum alloy automotive hub and preparation method thereof |
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2018
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| JP5083965B2 (en) * | 2007-12-28 | 2012-11-28 | 日立金属株式会社 | Casting compressor impeller |
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| JP2016049844A (en) * | 2014-08-29 | 2016-04-11 | 日立金属株式会社 | Load wheel made of aluminum alloy |
| CN105950894A (en) * | 2016-06-16 | 2016-09-21 | 芜湖黄燕实业有限公司 | High-strength aluminum alloy for automobile hub and preparing method of high-strength aluminum alloy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468354A (en) * | 2019-08-09 | 2019-11-19 | 陈秀英 | The preparation method of shock resistance aluminium alloy automobile hub |
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Application publication date: 20181207 |