CN106086531A - Shock resistance aluminium alloy for automotive hub and preparation method thereof - Google Patents
Shock resistance aluminium alloy for automotive hub and preparation method thereof Download PDFInfo
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- CN106086531A CN106086531A CN201610422733.3A CN201610422733A CN106086531A CN 106086531 A CN106086531 A CN 106086531A CN 201610422733 A CN201610422733 A CN 201610422733A CN 106086531 A CN106086531 A CN 106086531A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 45
- 230000035939 shock Effects 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- 239000002893 slag Substances 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 13
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 13
- 239000011651 chromium Substances 0.000 claims abstract description 13
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 13
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 13
- 239000011777 magnesium Substances 0.000 claims abstract description 13
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 13
- 229910052706 scandium Inorganic materials 0.000 claims abstract description 13
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052709 silver Inorganic materials 0.000 claims abstract description 13
- 239000004332 silver Substances 0.000 claims abstract description 13
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 13
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 13
- 239000011701 zinc Substances 0.000 claims abstract description 13
- 229910052756 noble gas Inorganic materials 0.000 claims abstract description 11
- 238000002844 melting Methods 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 14
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 14
- MPPQGYCZBNURDG-UHFFFAOYSA-N 2-propionyl-6-dimethylaminonaphthalene Chemical compound C1=C(N(C)C)C=CC2=CC(C(=O)CC)=CC=C21 MPPQGYCZBNURDG-UHFFFAOYSA-N 0.000 claims description 7
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- 239000011780 sodium chloride Substances 0.000 claims description 7
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 7
- 235000011152 sodium sulphate Nutrition 0.000 claims description 7
- 239000011592 zinc chloride Substances 0.000 claims description 7
- 235000005074 zinc chloride Nutrition 0.000 claims description 7
- 239000010445 mica Substances 0.000 claims description 6
- 229910052618 mica group Inorganic materials 0.000 claims description 6
- 239000011022 opal Substances 0.000 claims description 5
- 235000017550 sodium carbonate Nutrition 0.000 claims description 5
- 235000002639 sodium chloride Nutrition 0.000 claims description 5
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910052754 neon Inorganic materials 0.000 description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- 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
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a kind of shock resistance aluminium alloy for automotive hub and preparation method thereof, the method includes: aluminum, magnesium, chromium, zinc, palladium and vanadium 1) carry out at 850 950 DEG C the first heat treatment, then in system, it is passed through noble gas, then system is cooled to 660 680 DEG C with the operation preparing the first molten metal；2) stannum, silver, ferrum, germanium and scandium are carried out at 1,150 1200 DEG C the second heat treatment to prepare the operation of the second molten metal；3) the second molten metal is added to the first molten metal, and the temperature of mixed system is regulated to 960 1000 DEG C to carry out melting, then in mixed system, add slagging agent carry out slag hitting process, finally cool down to prepare the operation of the shock resistance aluminium alloy for automotive hub.The shock resistance aluminium alloy prepared by the method has the mechanical strength of excellence, especially shock resistance；This preparation method raw material is easy to get simultaneously, operation is simple, be easy to be widely used.
Description
Technical field
The present invention relates to aluminium alloy, in particular it relates to a kind of shock resistance aluminium alloy for automotive hub and preparation side thereof
Method.
Background technology
Wheel hub, wide in order to the parts supporting the drum-shaped of tire, center is assemblied on axle in another name wheel rim, i.e. tire.Often
The automotive hub seen has steel wheel hub and aluminium alloy matter wheel hub.Aluminium alloy wheel hub has the advantage that elegant in appearance；Light, province
Oil；Expansion and contraction is high, good springiness；Heat conductivity is good；Protect circle property good, be unlikely to deform, be suitable for running at high speed；Good springiness, improves vehicle
Ride comfort in traveling, it is easier to absorb the vibration in motion and noise.But, aluminium alloy matter wheel hub poor durability, once meet
Can not repair to the deformation of hard thing collision rift.
Summary of the invention
It is an object of the invention to provide a kind of shock resistance aluminium alloy for automotive hub and preparation method thereof, pass through the party
The shock resistance aluminium alloy that method prepares has the mechanical strength of excellence, especially shock resistance；This preparation method raw material is easy simultaneously
, operation is simple, be easy to be widely used.
To achieve these goals, the invention provides the preparation side of a kind of shock resistance aluminium alloy for automotive hub
Method, the method includes:
1) aluminum, magnesium, chromium, zinc, palladium and vanadium are carried out at 850-950 DEG C the first heat treatment, be then passed through lazy in system
Property gas, then system is cooled to 660-680 DEG C with prepare the first molten metal operation；
2) stannum, silver, ferrum, germanium and scandium are carried out at 1150-1200 DEG C the second heat treatment to prepare the work of the second molten metal
Sequence；
3) the second molten metal is added to the first molten metal, and the temperature of mixed system is regulated to 960-1000 DEG C
To carry out melting, in mixed system, then add slagging agent carry out slag hitting process, finally cool down to prepare for automotive hub
The operation of shock resistance aluminium alloy.
Present invention also offers a kind of shock resistance aluminium alloy for automotive hub, this shock resistance aluminium alloy is by above-mentioned
Method is prepared.
By technique scheme, preparation method that the present invention provides particularly as follows: be first by aluminum, magnesium, chromium, zinc, palladium and
Vanadium heat treatment, is then passed through noble gas and cools down, and so forms gas passage in the first molten metal gradually cooled down；Its
Secondary, stannum, silver, ferrum, germanium and scandium are carried out the second heat treatment to prepare the second molten metal；Again, the second molten metal is added to the
In one molten metal, such second molten metal can effectively enter in the gas passage in the first molten metal and be filled with, simultaneously
By surface chemistry, both can ideally be combined；Finally, in mixed system, add slagging agent and carry out slag hitting process, cold
But to prepare the shock resistance aluminium alloy for automotive hub.The mechanical strength of this kind of aluminium alloy is high, and especially shock resistance is excellent
More, effectively overcome the defect of aluminium alloy matter wheel hub poor durability in prior art, and then improve aluminium alloy matter wheel hub
The suitability.It addition, this preparation method raw material is easy to get, operation is simple, be easy to be widely used.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that described herein specifically
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides the preparation method of a kind of shock resistance aluminium alloy for automotive hub, the method includes:
1) aluminum, magnesium, chromium, zinc, palladium and vanadium are carried out at 850-950 DEG C the first heat treatment, be then passed through lazy in system
Property gas, then system is cooled to 660-680 DEG C with prepare the first molten metal operation；
2) stannum, silver, ferrum, germanium and scandium are carried out at 1150-1200 DEG C the second heat treatment to prepare the work of the second molten metal
Sequence；
3) the second molten metal is added to the first molten metal, and the temperature of mixed system is regulated to 960-1000 DEG C
To carry out melting, in mixed system, then add slagging agent carry out slag hitting process, finally cool down to prepare for automotive hub
The operation of shock resistance aluminium alloy.
In the present invention, the consumption of each material can select in wide scope, but closes to improve prepared aluminum
The mechanical strength of gold, it is preferable that relative to the aluminum of 100 weight portions, the consumption of magnesium is 0.95-1.35 weight portion, and the consumption of chromium is
0.08-0.28 weight portion, the consumption of zinc is 1.15-1.65 weight portion, and the consumption of palladium is 0.15-0.40 weight portion, the consumption of vanadium
For 0.06-0.12 weight portion, the consumption of stannum is 5.50-6.10 weight portion, and the consumption of silver is 0.05-0.12 weight portion, the use of ferrum
Amount is 4.00-4.85 weight portion, and the consumption of germanium is 0.24-0.30 weight portion, and the consumption of scandium is 0.12-0.16 weight portion.
Operation 1 in the present invention) in, the actual conditions of the first heat treatment can select in wide scope, but in order to
Improve prepare the mechanical strength of aluminium alloy, it is preferable that the first heat treatment at least meets following condition: heat treatment time is 4-
8h, vacuum is 0.5-0.8MPa.
Operation 1 in the present invention) in, the actual conditions of noble gas can select in wide scope, but in order to carry
High prepare the mechanical strength of aluminium alloy, it is preferable that noble gas at least meets following condition: stream pressure is 1-
1.5MPa, pulse frequency is 15-40KHz, and air velocity is not more than 200m/s.
Operation 1 in the present invention) in, the actual conditions of noble gas can select in wide scope, but in order to carry
High prepare the mechanical strength of aluminium alloy, it is preferable that noble gas one in argon, helium, nitrogen and neon or
Multiple.
Operation 1 in the present invention) in, cooldown rate can select in wide scope, but prepared in order to improve
The mechanical strength of aluminium alloy, it is preferable that during system being cooled down, cooldown rate is 5-15 DEG C/min.
Operation 2 in the present invention) in, the actual conditions of the second heat treatment can select in wide scope, but in order to
Improve prepare the mechanical strength of aluminium alloy, it is preferable that the second heat treatment at least meets following condition: heat treatment time is 7-
10h, vacuum is 0.5-0.8MPa.
Operation 3 in the present invention) in, the time of melting can select in wide scope, but prepared in order to improve
The mechanical strength of aluminium alloy, it is preferable that the time of melting is 2-4h.
Operation 3 in the present invention) in, the actual conditions that slag hitting processes can select in wide scope, but in order to carry
High prepare the mechanical strength of aluminium alloy, it is preferable that slag hitting processes and at least meets following condition: slag hitting temperature is 1150-
1200 DEG C, the slag hitting time is 1-3h.
Operation 3 in the present invention) in, the actual conditions of cooldown rate can select in wide scope, but in order to carry
High prepare the mechanical strength of aluminium alloy, it is preferable that during being cooled down by mixed system, cooldown rate is 25-35 DEG C/
min。
Operation 3 in the present invention) in, the consumption of slagging agent can select in wide scope, but prepared in order to improve
The mechanical strength of aluminium alloy, it is preferable that relative to the mixed system of 100 weight portions, the consumption of slagging agent is 5-8 weight
Part.
Operation 3 in the present invention) in, the concrete component of slagging agent can select in wide scope, but in order to improve
Prepare the mechanical strength of aluminium alloy, it is preferable that in operation 3) in, slagging agent contain silicon dioxide, sodium chloride, sodium sulfate,
Sodium carbonate, zinc chloride, prodan, opal and white mica.
In above-mentioned slagging agent, the concrete content of each component can select in wide scope, but prepared in order to improve
The mechanical strength of aluminium alloy, it is preferable that in operation 3) in, relative to the silicon dioxide of 100 weight portions, the content of sodium chloride
For 5-12 weight portion, the content of sodium sulfate is 3-8 weight portion, and the content of sodium carbonate is 1.5-4 weight portion, and the content of zinc chloride is
8-13 weight portion, the content of prodan is 1-3 weight portion, and opaline content is 1.5-3.5 weight portion, the content of white mica
For 2.5-5 weight portion.
Present invention also offers a kind of shock resistance aluminium alloy for automotive hub, this shock resistance aluminium alloy is by above-mentioned
Method is prepared.
Hereinafter will be described the present invention by embodiment.
Preparation example 1
By silicon dioxide, sodium chloride, sodium sulfate, sodium carbonate, zinc chloride, prodan, opal and white mica according to
The weight ratio of 100:10:5:2:10:2:2.5:4 is mixed to prepare slagging agent D1.
Preparation example 2
By silicon dioxide, sodium chloride, sodium sulfate, sodium carbonate, zinc chloride, prodan, opal and white mica according to
100:5:3:1.5:8:1:1.5:2.5 weight ratio be mixed to prepare slagging agent D2.
Preparation example 3
By silicon dioxide, sodium chloride, sodium sulfate, sodium carbonate, zinc chloride, prodan, opal and white mica according to
The weight ratio of 100:12:8:4:13:3:3.5:5 is mixed to prepare slagging agent D3.
Embodiment 1
1) aluminum, magnesium, chromium, zinc, palladium and vanadium are carried out the first heat treatment under conditions of 900 DEG C and vacuum are 0.7MPa
5h, (argon, stream pressure are 1.3MPa, and pulse frequency is 30KHz, and air velocity is not to be then passed through noble gas in system
More than 200m/s), then system is cooled to 670 DEG C to prepare the first molten metal according to the speed of 10 DEG C/min.
2) stannum, silver, ferrum, germanium and scandium are carried out under conditions of 1180 DEG C and vacuum are 0.7MPa the second heat treatment 8h with
Prepare the second molten metal；Wherein, the weight ratio of aluminum, magnesium, chromium, zinc, palladium, vanadium, stannum, silver, ferrum, germanium and scandium is 100:1.15:0.18:
1.35:0.30:0.09:5.90:0.08:4.45:0.28:0.15.
3) above-mentioned second molten metal is added to the first molten metal, and the temperature of mixed system is regulated to 980 DEG C
To carry out melting 3h, then add in mixed system slagging agent D1 (weight ratio of mixed system and slagging agent is 100:7) and
Carry out slag hitting in 1180 DEG C and process 2h, be finally cooled to 25 DEG C to prepare resisting for automotive hub according to the speed of 30 DEG C/min
Impact aluminium alloy A1.
Embodiment 2
1) aluminum, magnesium, chromium, zinc, palladium and vanadium are carried out the first heat treatment under conditions of 850 DEG C and vacuum are 0.5MPa
4h, (nitrogen, stream pressure are 1MPa, and pulse frequency is 15KHz, and air velocity is little to be then passed through noble gas in system
In 200m/s), then system is cooled to 660 DEG C to prepare the first molten metal according to the speed of 5 DEG C/min.
2) stannum, silver, ferrum, germanium and scandium are carried out under conditions of 1150 DEG C and vacuum are 0.5MPa the second heat treatment 7h with
Prepare the second molten metal；Wherein, the weight ratio of aluminum, magnesium, chromium, zinc, palladium, vanadium, stannum, silver, ferrum, germanium and scandium is 100:0.95:0.08:
1.15:0.15:0.06:5.50:0.05:4.00:0.24:0.12.
3) above-mentioned second molten metal is added to the first molten metal, and the temperature of mixed system is regulated to 960 DEG C
To carry out melting 2h, then add in mixed system slagging agent D2 (weight ratio of mixed system and slagging agent is 100:5) and
Carry out slag hitting in 1150 DEG C and process 1h, be finally cooled to 25 DEG C to prepare resisting for automotive hub according to the speed of 25 DEG C/min
Impact aluminium alloy A2.
Embodiment 3
1) aluminum, magnesium, chromium, zinc, palladium and vanadium are carried out the first heat treatment under conditions of 950 DEG C and vacuum are 0.8MPa
8h, (neon, stream pressure are 1.5MPa, and pulse frequency is 40KHz, and air velocity is not to be then passed through noble gas in system
More than 200m/s), then system is cooled to 680 DEG C to prepare the first molten metal according to the speed of 15 DEG C/min.
2) stannum, silver, ferrum, germanium and scandium are carried out under conditions of 1200 DEG C and vacuum are 0.8MPa the second heat treatment 10h
To prepare the second molten metal；Wherein, the weight ratio of aluminum, magnesium, chromium, zinc, palladium, vanadium, stannum, silver, ferrum, germanium and scandium is 100:1.35:
0.28:1.65:0.40:0.12:6.10:0.12:4.85:0.30:0.16.
3) above-mentioned second molten metal is added to the first molten metal, and the temperature of mixed system is regulated to 1000 DEG C
To carry out melting 4h, then add in mixed system slagging agent D3 (weight ratio of mixed system and slagging agent is 100:8) and
Carry out slag hitting in 1200 DEG C and process 3h, be finally cooled to 25 DEG C to prepare resisting for automotive hub according to the speed of 35 DEG C/min
Impact aluminium alloy A3.
Comparative example 1
Carry out preparing aluminium alloy B1, except for the difference that, step 1 according to the method for embodiment 1) in be not filled with noble gas.
Detection example 1
Above-mentioned aluminium alloy carries out the detection of mechanical strength, and concrete outcome is shown in Table 1.
Table 1
| Hot strength/MPa | Yield strength/MPa | Elongation percentage/% | Impact flexibility/J cm<sup>-2</sup> | |
| A1 | 580 | 415 | 17.7 | 95 |
| A2 | 582 | 420 | 16.9 | 93 |
| A3 | 584 | 419 | 17.5 | 92 |
| B1 | 523 | 389 | 14.8 | 65 |
By above-described embodiment, comparative example and detection example, the machinery that the aluminium alloy that the present invention provides has excellence is strong
Degree, especially impact strength.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, in the technology concept of the present invention, technical scheme can be carried out multiple simple variant, this
A little simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to various can
The compound mode of energy illustrates the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this
The thought of invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. the preparation method for the shock resistance aluminium alloy of automotive hub, it is characterised in that including:
1) aluminum, magnesium, chromium, zinc, palladium and vanadium are carried out at 850-950 DEG C the first heat treatment, in system, be then passed through indifferent gas
Body, is then cooled to 660-680 DEG C with the operation preparing the first molten metal by system；
2) stannum, silver, ferrum, germanium and scandium are carried out at 1150-1200 DEG C the second heat treatment to prepare the operation of the second molten metal；
3) described second molten metal is added to described first molten metal, and the temperature of mixed system is regulated to 960-
1000 DEG C, to carry out melting, then add slagging agent in described mixed system and carry out slag hitting process, finally cool down with prepared use
Operation in the shock resistance aluminium alloy of automotive hub.
Preparation method the most according to claim 1, wherein, relative to the aluminum of 100 weight portions, the consumption of described magnesium is
0.95-1.35 weight portion, the consumption of described chromium is 0.08-0.28 weight portion, and the consumption of described zinc is 1.15-1.65 weight portion,
The consumption of described palladium is 0.15-0.40 weight portion, and the consumption of described vanadium is 0.06-0.12 weight portion, and the consumption of described stannum is
5.50-6.10 weight portion, the consumption of described silver is 0.05-0.12 weight portion, and the consumption of described ferrum is 4.00-4.85 weight portion,
The consumption of described germanium is 0.24-0.30 weight portion, and the consumption of described scandium is 0.12-0.16 weight portion.
Preparation method the most according to claim 1 and 2, wherein, in operation 1) in, described first heat treatment at least meet with
Lower condition: heat treatment time is 4-8h, vacuum is 0.5-0.8MPa.
Preparation method the most according to claim 3, wherein, in operation 1) in, described noble gas at least meets following bar
Part: stream pressure is 1-1.5MPa, pulse frequency is 15-40KHz, and air velocity is not more than 200m/s.
Preparation method the most according to claim 4, wherein, in operation 1) in, in the process carrying out cooling down by described system
In, cooldown rate is 5-15 DEG C/min.
6. according to the preparation method described in claim 4 or 5, wherein, in operation 2) in, described second heat treatment at least meet with
Lower condition: heat treatment time is 7-10h, vacuum is 0.5-0.8MPa.
Preparation method the most according to claim 6, wherein, in operation 3) in, the time of described melting is 2-4h；
Preferably, in operation 3) in, described slag hitting processes and at least meets following condition: slag hitting temperature is 1150-1200 DEG C, slag hitting
Time is 1-3h；
It is highly preferred that during being cooled down by described mixed system, cooldown rate is 25-35 DEG C/min.
Preparation method the most according to claim 7, wherein, in operation 3) in, relative to the described mixture of 100 weight portions
System, the consumption of described slagging agent is 5-8 weight portion；
Preferably, described slagging agent contains silicon dioxide, sodium chloride, sodium sulfate, sodium carbonate, zinc chloride, prodan, opal
And white mica；
It is highly preferred that relative to the described silicon dioxide of 100 weight portions, the content of described sodium chloride is 5-12 weight portion, described
The content of sodium sulfate is 3-8 weight portion, and the content of described sodium carbonate is 1.5-4 weight portion, and the content of described zinc chloride is 8-13
Weight portion, the content of described prodan is 1-3 weight portion, and described opaline content is 1.5-3.5 weight portion, described white clouds
Female content is 2.5-5 weight portion.
9. the shock resistance aluminium alloy for automotive hub, it is characterised in that described shock resistance aluminium alloy passes through claim
In 1-8, the method described in any one is prepared.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108950313A (en) * | 2018-06-20 | 2018-12-07 | 宁波展欣汽车科技发展有限公司 | The preparation method of high-strength aluminum alloy automotive hub |
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| GB605095A (en) * | 1945-12-14 | 1948-07-15 | Tennyson Fraser Bradbury | Aluminium base alloys |
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| CN104818398A (en) * | 2015-03-23 | 2015-08-05 | 芜湖黄燕实业有限公司 | Aluminum alloy for wheel hub and preparation method thereof, and aluminum alloy wheel hub |
| CN104999052A (en) * | 2015-08-14 | 2015-10-28 | 芜湖黄燕实业有限公司 | Low-pressure casting method of aluminum alloy hubs |
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| GB605095A (en) * | 1945-12-14 | 1948-07-15 | Tennyson Fraser Bradbury | Aluminium base alloys |
| GB625515A (en) * | 1947-08-06 | 1949-06-29 | Tennyson Fraser Bradbury | An improved aluminium base alloy |
| JPS5698586A (en) * | 1980-01-10 | 1981-08-08 | Taiho Kogyo Co Ltd | Swash plate compressor |
| CN101758203A (en) * | 2008-11-12 | 2010-06-30 | 郑东海 | Process for smelting and lower-pressure casting of aluminum alloy wheel hub |
| CN102978448A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Ba-RE aluminum alloy, and preparation method and power cable thereof |
| CN104818398A (en) * | 2015-03-23 | 2015-08-05 | 芜湖黄燕实业有限公司 | Aluminum alloy for wheel hub and preparation method thereof, and aluminum alloy wheel hub |
| CN104999052A (en) * | 2015-08-14 | 2015-10-28 | 芜湖黄燕实业有限公司 | Low-pressure casting method of aluminum alloy hubs |
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