CN105734372A - Al-Cu aluminum alloy casting material and preparation method thereof - Google Patents
Al-Cu aluminum alloy casting material and preparation method thereof Download PDFInfo
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- CN105734372A CN105734372A CN201610146885.5A CN201610146885A CN105734372A CN 105734372 A CN105734372 A CN 105734372A CN 201610146885 A CN201610146885 A CN 201610146885A CN 105734372 A CN105734372 A CN 105734372A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 56
- 229910018182 Al—Cu Inorganic materials 0.000 title claims abstract description 37
- 238000005266 casting Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 title claims abstract description 12
- 239000000956 alloy Substances 0.000 claims abstract description 69
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 42
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 238000007670 refining Methods 0.000 claims description 29
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- 238000005275 alloying Methods 0.000 claims description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 16
- 230000032683 aging Effects 0.000 claims description 14
- 239000006104 solid solution Substances 0.000 claims description 13
- 239000004411 aluminium Substances 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 12
- 239000000654 additive Substances 0.000 claims description 11
- 230000000996 additive effect Effects 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 7
- 238000010791 quenching Methods 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 229910001122 Mischmetal Inorganic materials 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 238000010129 solution processing Methods 0.000 claims 1
- 239000010970 precious metal Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 238000007872 degassing Methods 0.000 description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 9
- 229910052737 gold Inorganic materials 0.000 description 9
- 239000010931 gold Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 239000002893 slag Substances 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- 239000010949 copper Substances 0.000 description 6
- 239000011572 manganese Substances 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 5
- 238000013019 agitation Methods 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 210000000078 claw Anatomy 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910001325 element alloy Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910017566 Cu-Mn Inorganic materials 0.000 description 1
- 229910017871 Cu—Mn Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 229910000753 refractory alloy Inorganic materials 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- 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
- C22F1/057—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 of alloys with copper as the next major constituent
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- 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)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention provides an al-Cu aluminum alloy casting material and a preparation method thereof. The Al-Cu aluminum alloy casting material comprises the following components in percentage by weight: 4.5-6.5% of Cu, 0.35-0.85% of Mn, 0.05-1.0% of Zn, 0.05-0.45% of Ti, 0.05-0.45% of Zr, 0.05-0.5% of rare earth elements, with the balance being AI and traces of impurity elements . The Al-Cu aluminum alloy casting material, provided by the invention, contains no precious metal elements, reduces the alloy formula cost, and improves the alloy casting performance when maintaining high alloy strength.
Description
Technical field
The present invention relates to a kind of Al-Cu system cast aluminium alloy material and preparation method thereof, belong to material technology
Field.
Background technology
Al-Cu system Cast aluminium alloy gold utensil has family that gentle high-temperature mechanical property is good, machinability is good, with
And the feature such as fine heat-resisting performance, aircraft industry occupies highly important status, is aircraft industry weight
Want one of structural material, also obtain extensively application in fields such as civilian industries.But owing to Al-Cu system casts
Making aluminum alloy solidification temperature range big, hot tearing and loose tendency are big, poor fluidity, easily occur crackle,
The casting flaw such as loose, so its casting character is poor.
Research currently for Al-Cu system Cast aluminium alloy gold is concentrated mainly on high-strength toughness reinforcing aspect, research
Personnel have been developed over many representative alloys, such as the A-U5GT alloy of France；The U.S.
KO-1 alloy；Muscovite BA Л 10 alloy；The ZL205A alloy etc. of China.Wherein, ZL205A
It is the cast aluminium alloy material that current intensity is the highest, but it contains Cu, Mn, Zr, V, Cd, Ti, B
Deng 7 kinds of alloying elements, complicated component, especially containing V precious metal element, price is high；And
And this ZL205A alloy is poor in mobility, hot-cracking resistance is the most poor, causes the casting character of alloy relatively
Difference, application is restricted.
Summary of the invention
The present invention provides a kind of Al-Cu system Cast aluminium alloy gold, without precious metal element, reduces alloy
Formulation cost, and while maintaining alloy high strength, improve the elongation percentage of alloy-steel casting.
The present invention also provides for the preparation method of a kind of above-mentioned Al-Cu system Cast aluminium alloy gold, and step is simple, becomes
This is relatively low.
On the one hand, the present invention provides a kind of Al-Cu system cast aluminium alloy material, by weight percentage,
The composition of Al-Cu system cast aluminium alloy material be Cu4.5-6.5%, Mn0.35-0.80%, Zn 0.05-1.0%,
Ti0.05-0.45%, Zr0.05-0.45%, rare earth element 0.05-0.5% and the Al of surplus and trace are miscellaneous
Prime element.
Further, by weight percentage, the composition of Al-Cu system cast aluminium alloy material is Cu
4.7-5.7%；Mn 0.45-0.70%；Zn 0.05-0.50%；Ti 0.15-0.35 ... %；Zr 0.05-0.25%；
Rare earth element 0.05-0.35%；Remaining is Al and micro impurity element.
Further, described rare earth element is Ce or the mischmetal with Ce as essential element.
Further, in described mischmetal, the weight percentage of Ce is 40-50%.
On the other hand, the present invention also provides for the system of a kind of Al-Cu system as above cast aluminium alloy material
Preparation Method, including:
Make aluminium ingot melt and be incubated, obtaining aluminum melt；
Adding the material containing remaining alloying element in described aluminium ingot melt and make it be completely melt, stirring is all
Even, obtain aluminium alloy melt；
Refining agent, cast molding after carrying out refine degassing processing and skimming is added in described aluminium alloy melt.
Further, the described material containing remaining alloying element is the intermediate alloy containing remaining element or alloy
Element additive.
Further, in described aluminium alloy melt, add refining agent, carry out refine degassing processing and skim
Rear standing 15-25 minute, cast molding.
Further, after described cast molding, also include foundry goods is carried out solid solution and Ageing Treatment.
Further, solid solution treatment process is to be incubated 3-30 hour at 480-580 DEG C, and then quench cooling.
Further, aging treatment process is to be incubated 3-30 hour, the most in atmosphere at 120-220 DEG C
Cooling.
The Al-Cu system Cast aluminium alloy gold composition that the present invention provides is reasonable, is main constituent at Al-Cu-Mn
On the basis of add trace alloying element Ti, Zr, Zn and rare earth etc., thus maintaining alloy high strength
Improve the casting character of Al-Cu system Cast aluminium alloy gold simultaneously；This Al-Cu system Cast aluminium alloy gold is not simultaneously
Containing precious metal element, reduce production cost.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in the embodiment of the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment be the present invention part
Embodiment rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into the present invention and protects
The scope protected.
The present invention provides a kind of Al-Cu system cast aluminium alloy material, by weight percentage, this Al-Cu
Be cast aluminium alloy material composition be Cu4.5-6.5%, Mn0.35-0.80%, Zn 0.05-1.0%,
Ti0.05-0.45%, Zr0.05-0.45%, rare earth element 0.05-0.5% and the Al of surplus and trace are miscellaneous
Prime element.
Wherein, described rare earth element is Ce or the mischmetal with Ce as essential element.Described mixing is dilute
Soil comprises the rare earth element of at least two in addition to Ce, and the weight percentage of Ce is 40-50%.
The preparation method of the Al-Cu system cast aluminium alloy material that the present invention provides can refer to following steps and enters
OK:
1, aluminium ingot and the material containing remaining alloying element are got out by formula proportion.For making remaining alloy unit
Element quickly fuses in aluminum liquid, for refractory alloy elements such as copper, manganese, titanium, zirconiums, it is also possible to aluminium is closed
Intermediate alloy that gold casting industry is conventional or alloying element additive.
2, adding in smelting furnace by aluminium ingot, heating is allowed to be completely melt, and is incubated to maintain melt temperature
At 700-800 DEG C, obtain aluminum melt.
3, press formula proportion again and add the material containing remaining alloying element, and agitation as appropriate, obtain aluminium alloy
Melt, after remaining alloying element is completely melt, stirs aluminium alloy melt.
4, being subsequently adding refining agent and carry out furnace refining, refining agent typically can be selected for aluminium alloy casting industry
Conventional refining agent, the RJ-1 refining agent in such as non-ferrous metal industry standard YS/T491-2005.
5, more refining aluminium alloy melt carried out degassing processing and skims, being then cast into
Type.Wherein, degassing processing can use common method of the prior art, such as with getter to adding aluminum
Alloy melt is passed through argon.Refine degassing processing after skimming, can stand 15-25 minute by melt,
Make the contamination precipitation in melt or floating, make cleaning molten, the most again cast molding further.
Further, after described cast molding, also include foundry goods is carried out solution treatment and Ageing Treatment.
The technique of described solution treatment and Ageing Treatment can refer to conventional method and carries out, such as, can be:
Solid solution treatment process is to be incubated 3-30 hour at 480-580 DEG C, and then quench cooling；Ageing Treatment
Technique is to be incubated 3-30 hour at 120-220 DEG C, cools down the most in atmosphere.
Below by way of specific embodiment to the Al-Cu system cast aluminium alloy material of the present invention and preparation side thereof
Method elaborates.
Embodiment 1:
The present embodiment is drawn up for 100kg alloy, and the percentage by weight of the most each element is as shown in table 1.
Its preparation method is as follows:
(1) the good required various alloying elements of the weight weighing of each composition in table 1 are pressed.
Table 1
(2) being added by several times in smelting furnace by aluminium ingot, heating is allowed to be completely melt, and at 700-800 DEG C
Insulation.
(3) preprepared intermediate alloy or alloying element additive are added by several times, and agitation as appropriate.
(4) after alloying element is completely melt, alloy melt is stirred, be subsequently adding refining agent and enter
Row furnace refining.The RJ-1 refining agent that refining agent aluminium alloy casting industry is conventional, then produces refine
Raw aluminum slag claws.
(5) in melt, it is passed through argon with getter and carries out degassing processing, then it is taken off Slag treatment,
Stand about 20 minutes afterwards, can pour into a mould.
(6), after moulding by casting, foundry goods is carried out solid solution and Ageing Treatment.Wherein, solid solution treatment process is
Being incubated 3-30 hour at 480-580 DEG C, then quench cooling, and aging treatment process is at 120-220 DEG C
It is incubated 3-30 hour, cools down the most in atmosphere.
The sample of the Al-Cu system cast aluminium alloy material foundry goods prepared by the present embodiment carries out tensile property
Test, result is: under T5 state, tensile strength 452MPa, elongation percentage 10.9%.
Alloy in the present embodiment is near with ZL204 Cast aluminium alloy metallographic, according to national standard
The regulation of GB/T1173-2013, ZL204 Cast aluminium alloy gold is under T5 state, and tensile strength is 440MPa,
Elongation percentage is 4%.Alloy in the present embodiment is compared with ZL204 alloy, equally under T5 state, by force
Degree is suitable, but the elongation percentage of foundry goods is improved, and plasticity strengthens.
Embodiment 2:
The present embodiment is drawn up for 100kg alloy, and the percentage by weight of the most each element is as shown in table 1.Its
Preparation method is as follows:
(1) the good required various alloying elements of the weight weighing of each composition in table 2 are pressed.
Table 2
| Element | Design composition (wt%) | Addition element alloy or additive | Alloy or additive amount (kg) |
| Al | Aluminium ingot | 81.59 | |
| Cu | 5.9 | Al-50Cu intermediate alloy | 11.80 |
| Mn | 0.35 | 85 manganese agent | 0.41 |
| Zn | 0.2 | Pure zinc | 0.20 |
| Ti | 0.15 | Al-10Ti intermediate alloy | 1.50 |
| Zr | 0.05 | Al-10Zr intermediate alloy | 0.50 |
| Ce | 0.4 | Al-10Re intermediate alloy | 4.00 |
(2) being added by several times in smelting furnace by aluminium ingot, heating is allowed to be completely melt, and at 700 800 DEG C
Lower insulation.
(3) addition gets out intermediate alloy or alloying element additive, and agitation as appropriate in advance by several times.
(4) after alloying element is completely melt, alloy melt is stirred.It is subsequently adding refining agent to enter
Row furnace refining.The RJ-1 refining agent of refining agent aluminium alloy casting industry universal, then produces refine
Raw aluminum slag claws.
(5) it is passed through argon with getter to the melt blend adding refining agent and carries out degassing processing, then
It is taken off Slag treatment, stands about 20 minutes afterwards, can pour into a mould.
(6), after moulding by casting, foundry goods is carried out solid solution and Ageing Treatment.Wherein, solid solution treatment process is
Being incubated 3-30 hour at 480-580 DEG C, then quench cooling, and aging treatment process is at 120-220 DEG C
It is incubated 3-30 hour, cools down the most in atmosphere.
The sample of the Al-Cu system cast aluminium alloy material foundry goods prepared by the present embodiment carries out tensile property
Test, result is: under T6 state, tensile strength 495MPa, elongation percentage 6.1%.
Embodiment 3:
The present embodiment is drawn up for 100kg alloy, and the percentage by weight of the most each element is as shown in table 3.
Its preparation method is as follows:
(1) the good required various alloying elements of the weight weighing of each composition in table 3 are pressed.
Table 3
| Element | Design composition (wt%) | Addition element alloy or additive | Alloy or additive amount (kg) |
| Al | Surplus | Aluminium ingot | 83.66 |
| Cu | 4.5 | Fine copper | 4.50 |
| Mn | 0.8 | 85 manganese agent | 0.94 |
| Zn | 0.9 | Pure zinc | 0.90 |
| Ti | 0.45 | Al-10Ti intermediate alloy | 4.50 |
| Zr | 0.45 | Al-10Zr intermediate alloy | 4.50 |
| Ce | 0.1 | Al-10Re intermediate alloy | 1.00 |
(2) being added by several times in smelting furnace by aluminium ingot, heating is allowed to be completely melt, and at 700 800 DEG C
Lower insulation.
(3) addition gets out intermediate alloy or alloying element additive, and agitation as appropriate in advance by several times.
(4) after alloying element is completely melt, alloy melt is stirred.It is subsequently adding refining agent to enter
Row furnace refining.The RJ-1 refining agent of refining agent aluminium alloy casting industry universal, then produces refine
Raw aluminum slag claws.
(5) it is passed through argon with getter to the melt blend adding refining agent and carries out degassing processing, then
It is taken off Slag treatment, stands about 20 minutes afterwards, can pour into a mould.
(6), after moulding by casting, foundry goods is carried out solid solution and Ageing Treatment.Wherein, solid solution treatment process is
Being incubated 3-30 hour at 480-580 DEG C, then quench cooling, and aging treatment process is at 120-220 DEG C
It is incubated 3-30 hour, cools down the most in atmosphere.
The sample of the Al-Cu system cast aluminium alloy material foundry goods prepared by the present embodiment carries out tensile property
Test, result is: under T6 state, tensile strength 489MPa, elongation percentage 6.4%.
Embodiment 4:
The present embodiment is drawn up for 100kg alloy, and the percentage by weight of the most each element is as shown in table 4.
Its preparation method is as follows:
(1) the good required various alloying elements of the weight weighing of each composition in table 4 are pressed.
Table 4
(2) being added by several times in smelting furnace by aluminium ingot, heating is allowed to be completely melt, and at 700 800 DEG C
Lower insulation.
(3) addition gets out intermediate alloy or alloying element additive, and agitation as appropriate in advance by several times.
(4) after alloying element is completely melt, alloy melt is stirred.It is subsequently adding refining agent to enter
Row furnace refining.The RJ-1 refining agent of refining agent aluminium alloy casting industry universal, then produces refine
Raw aluminum slag claws.
(5) it is passed through argon with getter to the melt blend adding refining agent and carries out degassing processing, then
It is taken off Slag treatment, stands about 20 minutes afterwards, can pour into a mould.
(6), after moulding by casting, foundry goods is carried out solid solution and Ageing Treatment.Wherein, solid solution treatment process is
Being incubated 3-30 hour at 480-580 DEG C, then quench cooling, and aging treatment process is at 120-220 DEG C
It is incubated 3-30 hour, cools down the most in atmosphere.
The sample of the Al-Cu system cast aluminium alloy material foundry goods prepared by the present embodiment carries out tensile property
Test, result is: under T6 state, tensile strength 475MPa, elongation percentage 5.1%.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an Al-Cu system cast aluminium alloy material, it is characterised in that by weight percentage, Al-Cu
Be the composition of cast aluminium alloy material be Cu4.5-6.5%, Mn0.35-0.85%, Zn 0.05-1.0%,
Ti0.05-0.45%, Zr0.05-0.45%, rare earth element 0.05-0.5% and the Al of surplus and trace are miscellaneous
Prime element.
Al-Cu system the most according to claim 1 cast aluminium alloy material, it is characterised in that by weight
Amount percentages, the composition of Al-Cu system cast aluminium alloy material is Cu 4.7-5.7%；Mn 0.45-0.70%；
Zn 0.05-0.50%；Ti 0.15-0.35%；Zr 0.05-0.25%；Rare earth element 0.05-0.35%；Remaining
For Al and micro impurity element.
Al-Cu system the most according to claim 1 cast aluminium alloy material, it is characterised in that described
Rare earth element is Ce or the mischmetal with Ce as essential element.
Al-Cu system the most according to claim 3 cast aluminium alloy material, it is characterised in that described
In mischmetal, the weight percentage of Ce is 40-50%.
5. a preparation method for the Al-Cu system cast aluminium alloy material described in any one of claim 1-4,
It is characterized in that, including:
Make aluminium ingot melt and be incubated, obtaining aluminum melt；
In described aluminum melt, add the material containing remaining alloying element and make it be completely melt, stirring,
Obtain aluminium alloy melt；
Adding refining agent in described aluminium alloy melt and carry out refine, the most deaerated process is also watered after skimming
Type casting moulding.
Al-Cu system the most according to claim 5 cast aluminium alloy material, it is characterised in that described
Material containing remaining alloying element is the intermediate alloy containing remaining element or alloying element additive.
Al-Cu system the most according to claim 5 cast aluminium alloy material, it is characterised in that to institute
Stating and add refining agent in aluminium alloy melt and carry out refine, the most deaerated process also stands 15-25 after skimming
Minute, cast molding.
Al-Cu system the most according to claim 5 cast aluminium alloy material, it is characterised in that described
After cast molding, also include foundry goods is carried out solid solution and Ageing Treatment.
Al-Cu system the most according to claim 8 cast aluminium alloy material, it is characterised in that solid solution
Processing technique is to be incubated 3-30 hour at 480-580 DEG C, and then quench cooling.
Al-Cu system the most according to claim 8 cast aluminium alloy material, it is characterised in that time
It is to be incubated 3-30 hour at 120-220 DEG C that effect processes technique, cools down the most in atmosphere.
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| CN201610146885.5A CN105734372B (en) | 2016-03-15 | 2016-03-15 | Al Cu systems cast aluminium alloy material and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106282702A (en) * | 2016-10-24 | 2017-01-04 | 马鞍山顺发机械制造有限公司 | A kind of automotive casting high-quality aluminum alloy material |
| CN106893911A (en) * | 2017-02-27 | 2017-06-27 | 广东省材料与加工研究所 | A kind of high-strength temperature-resistant Al Cu line aluminium alloys and preparation method thereof |
| CN108504913A (en) * | 2018-05-15 | 2018-09-07 | 沈阳明腾科技有限公司 | A kind of tough cast aluminium alloy gold of high elongation rate |
| CN109136697A (en) * | 2018-08-28 | 2019-01-04 | 兰州飞行控制有限责任公司 | A kind of high intensity aluminum bronze line aluminium alloy |
| CN109182804A (en) * | 2018-08-28 | 2019-01-11 | 兰州飞行控制有限责任公司 | A kind of high intensity aluminum bronze line aluminium alloy preparation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106282702A (en) * | 2016-10-24 | 2017-01-04 | 马鞍山顺发机械制造有限公司 | A kind of automotive casting high-quality aluminum alloy material |
| CN106893911A (en) * | 2017-02-27 | 2017-06-27 | 广东省材料与加工研究所 | A kind of high-strength temperature-resistant Al Cu line aluminium alloys and preparation method thereof |
| CN108504913A (en) * | 2018-05-15 | 2018-09-07 | 沈阳明腾科技有限公司 | A kind of tough cast aluminium alloy gold of high elongation rate |
| CN109136697A (en) * | 2018-08-28 | 2019-01-04 | 兰州飞行控制有限责任公司 | A kind of high intensity aluminum bronze line aluminium alloy |
| CN109182804A (en) * | 2018-08-28 | 2019-01-11 | 兰州飞行控制有限责任公司 | A kind of high intensity aluminum bronze line aluminium alloy preparation method |
| CN110029253A (en) * | 2019-06-01 | 2019-07-19 | 合肥磊科机电科技有限公司 | A kind of environmental protection highly corrosion resistant electric power copper Al rare earth alloy material and preparation method thereof |
| CN110592448A (en) * | 2019-08-27 | 2019-12-20 | 江苏大学 | Novel heat-resistant corrosion-resistant 2219 type aluminum alloy and preparation method thereof |
| CN110592448B (en) * | 2019-08-27 | 2021-06-22 | 江苏大学 | Heat-resistant corrosion-resistant 2219 type aluminum alloy and preparation method thereof |
| CN114318088A (en) * | 2021-12-28 | 2022-04-12 | 湖南稀土金属材料研究院有限责任公司 | Aluminum alloy material and preparation method and application thereof |
| CN114574736A (en) * | 2022-03-03 | 2022-06-03 | 威海万丰镁业科技发展有限公司 | Preparation method of high-strength aluminum alloy and high-strength aluminum alloy |
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Effective date of registration: 20190506 Address after: 264200 Tangshan Road No. 8, Torch High-tech Industrial Development Zone, Weihai City, Shandong Province Patentee after: Wanfeng Magnesium Industry Sci. & Tech. Development Co., Ltd., Weihai Address before: 264200 Tangshan Road No. 8, Torch High-tech Industrial Development Zone, Weihai City, Shandong Province Co-patentee before: Zhu Xunming Patentee before: Liu Yulin |
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Denomination of invention: Al Cu cast aluminum alloy material and its preparation method Effective date of registration: 20210820 Granted publication date: 20180223 Pledgee: Weihai City Commercial Bank Limited by Share Ltd. high tech branch Pledgor: WEIHAI WANFENG MAGNESIUM S & T DEVELOPMENT Co.,Ltd. Registration number: Y2021980008065 |