CN106811629A - A kind of recoverying and utilizing method of pack alloy and its application and its production method and ADC12 aluminium alloy reclaimed materials - Google Patents
A kind of recoverying and utilizing method of pack alloy and its application and its production method and ADC12 aluminium alloy reclaimed materials Download PDFInfo
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- CN106811629A CN106811629A CN201510847599.7A CN201510847599A CN106811629A CN 106811629 A CN106811629 A CN 106811629A CN 201510847599 A CN201510847599 A CN 201510847599A CN 106811629 A CN106811629 A CN 106811629A
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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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
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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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
Abstract
The invention discloses a kind of pack alloy and its recoverying and utilizing method of application and its production method and ADC12 aluminium alloy reclaimed materials, the aluminium alloy is made up of the silicon of 9.6-12 mass %, the magnesium of 1-2 mass %, the copper of 1.1-2 mass %, the iron of 0.3-1 mass %, the manganese of 0.5-1.5 mass %, the aluminium of surplus and inevitable impurity.Not only yield strength is high for aluminium alloy of the invention, and low cost.
Description
Technical field
The present invention relates to alloy field, in particular it relates to a kind of pack alloy and its application and its production
The recoverying and utilizing method of method and ADC12 aluminium alloy reclaimed materials.
Background technology
With the fast development of 3C and automobile product, pack alloy is quickly applied, to 20th century
The eighties, the aluminium alloy element in the U.S. 68% is produced using die-casting technique, at present, the pressure of industrial application
Cast aluminium alloy mainly has alusil alloy, almag, alumin(i)um zinc alloy, Al-Si-Cu alloy and aluminium silicon magnesium to close
Gold.
Al-Si-Cu alloy has an excellent casting character, and such as shrinkage factor is low, good fluidity and hot cracking tendency are small
Deng being one of maximum alloy series of consumption in cast aluminium alloy gold.ADC12 is used in Al-Si-Cu alloy
A maximum alloy designations are measured, in 160~180MPa, elongation percentage is more than 1.5% for yield strength.
In the production of high-volume thin-wall part product, the maximum product of ADC12 alloys it is bad for deformation not
Good (yield strength is inadequate), it is not up to standard to show as flatness, not only needs substantial amounts of shaping of doing over again, and
And increase cost, yield is influenceed, or even can not meet customer requirement.Metalwork fortune in current 3C Product
With more and more, while product more and more thinner, does bigger and bigger, deformation of products problem is increasingly protruded, and is opened
Send out a kind of low cost, the pack alloy of high-yield strength have become a problem demanding prompt solution.
The content of the invention
It is an object of the invention to provide a kind of pack alloy and its application and its production method and ADC12
The recoverying and utilizing method of aluminium alloy reclaimed materials, not only yield strength is high for the aluminium alloy, and low cost.
To achieve these goals, first aspect present invention：A kind of pack alloy is provided, the aluminium alloy
By the silicon of 9.6-12 mass %, the magnesium of 1-2 mass %, the copper of 1.1-2 mass %, the iron of 0.3-1 mass %,
The manganese of 0.5-1.5 mass %, the aluminium of surplus and inevitable impurity composition.
Preferably, the aluminium alloy by 10-12 mass % silicon, the magnesium of 1-2 mass %, 1.1-2 mass %
Copper, the iron of 0.5-0.7 mass %, the manganese of 0.7-1 mass %, the aluminium of surplus and inevitable impurity
Composition.
Preferably, the yield strength of the aluminium alloy is 150-300 MPas, and tensile strength is 220-320
MPa, elongation percentage is 1.5-2.5%, and flatness is not more than 0.3 millimeter.
Preferably, the yield strength of the aluminium alloy is 190-260 MPas, and tensile strength is 240-310
MPa, elongation percentage is 1.7-2.3%, and flatness is not more than 0.15 millimeter.
Preferably, the grain size of the aluminium alloy is less than 10 microns.
Second aspect present invention：A kind of pack alloy of the present invention is provided in automobile and 3C Product
In application.
Third aspect present invention：A kind of method for producing pack alloy is provided, the method includes：Will
The silicon of 9.6-12 mass %, the magnesium of 1-2 mass %, the copper of 1.1-2 mass %, the iron of 0.3-1 mass %,
Die casting is carried out after the manganese of 0.5-1.5 mass %, the aluminium of surplus and inevitable impurity mixed melting.
Fourth aspect present invention：A kind of recoverying and utilizing method of ADC12 aluminium alloys reclaimed materials is provided, should
Method includes：ADC12 aluminium alloys reclaimed materials is added into metal component, meets its composition：9.6-12
The silicon of quality %, the magnesium of 1-2 mass %, the copper of 1.1-2 mass %, iron, the 0.5-1.5 of 0.3-1 mass %
The manganese of quality %, the aluminium of surplus and inevitable impurity, then carry out melting die casting.
Conflicting between intensity and plasticity and cost in pack alloy, intensity often plasticity high is low,
Or high cost, in Al-Si-Cu alloy, increasing copper can increase cost, so often ADC12
Copper content value be trade mark lower limit 1.5%, although magnesium elements can effectively lift alloy strength, greatly
Reduce the plasticity of product, cause product one to mold i.e. fracture.
The pack alloy of inventive formulation, possesses relatively low cost and yield strength higher, production
Product plane degree is good, wherein a certain amount of silicone content provides the al-si eutectic body of q.s, improves conjunction
Golden mobility, a certain amount of copper magnesium ensure that the yield strength of alloy, and the manganese of proper ratio inhibits magnesium
Brittlement phase is separated out in crystal boundary, makes crystal grain distribution fine uniform, and plasticity is good.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of specification, with
Following specific embodiment is used to explain the present invention together, but is not construed as limiting the invention.
In accompanying drawing：
Fig. 1 is the metallograph under 500 times of aluminum alloy die casting prepared by the embodiment of the present invention 1.
Specific embodiment
Specific embodiment of the invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that
Specific embodiment described herein is merely to illustrate and explain the present invention, and is not limited to this hair
It is bright.
To achieve these goals, first aspect present invention：A kind of pack alloy is provided, the aluminium alloy
By the silicon of 9.6-12 mass %, the magnesium of 1-2 mass %, the copper of 1.1-2 mass %, the iron of 0.3-1 mass %,
The manganese of 0.5-1.5 mass %, the aluminium of surplus and inevitable impurity composition；Preferably, the aluminium is closed
Gold is by the silicon of 10-12 mass %, the magnesium of 1-2 mass %, the copper of 1.1-2 mass %, 0.5-0.7 mass %
Iron, the manganese of 0.7-1 mass %, the aluminium of surplus and inevitable impurity composition；Wherein impurity element contains
Amount refers to ADC12 standards.
ADC12 (ADC=Aluminum-Alloy Die Castings) is the aluminium alloy trade mark of Japan,
Also known as No. 12 aluminium material, belong to Al-Si-Cu systems alloy, be a kind of pack alloy, be adapted to valve mechanism cover
Lid, sensor stand, lid and cylinder body etc., execution standard is：JIS H 5302-2000《Aluminium alloy pressure
Casting》.ADC12 contain aluminium (Al) surplus, copper (Cu) 1.5-3.5 mass %, silicon (Si) 9.6-12.0 mass %,
Magnesium (Mg)≤0.3 mass %, zinc (Zn)≤1.0 mass %, iron (Fe)≤1.3 mass %, manganese (Mn)≤0.5
Quality %, nickel (Ni)≤0.5 mass %, tin (Sn)≤0.3 mass %, calcium (Ca)≤200ppm, lead (Pb)
≤ 0.1 mass %, cadmium (Cd)≤0.005 mass %.
The present invention is attempted by substantial amounts of component prescription, even heat discovery, can be with by increasing magnesium element content
The yield strength of alloy is lifted, while the enough alloying element manganese of addition, can improve the plasticity of alloy,
And magnesium is very low with manganese cost, i.e., on the basis of cost is not increased, it is possible to achieve the lifting of alloy property.
According to the first aspect of the invention, due to adding magnesium, thus aluminium alloy intensity not because copper contains
The reduction of amount and decline, for example, the yield strength of the aluminium alloy typically can reach 150-300 MPas,
190-260 MPas is preferably reached, tensile strength typically can reach 220-320 MPas, preferably reach 240-310
MPa, flatness is generally no greater than 0.3 millimeter, preferably no greater than 0.15 millimeter；Further, since adding
Manganese, the plasticity of aluminium alloy also increases, for example, the elongation percentage of the aluminium alloy typically can reach 1.5-2.5%,
Preferably reach 1.7-2.3%.
According to the first aspect of the invention, the grain size of the aluminium alloy is general below 10 microns,
It is preferred that below 7 microns.
Second aspect present invention：A kind of pack alloy of the present invention is provided in automobile and 3C Product
In application.3C Product refers to computer (Computer), communication (Communication) and consumption
Electronic product (Consumer Electronics), generally comprise computer, panel computer, mobile phone,
Digital camera, television set, walkman, e-dictionary, the hardware device of audio-visual broadcasting or DAB are broadcast
Put device etc..
Third aspect present invention：A kind of method for producing pack alloy is provided, the method includes：Will
The silicon of 9.6-12 mass %, the magnesium of 1-2 mass %, the copper of 1.1-2 mass %, the iron of 0.3-1 mass %,
Die casting is carried out after the manganese of 0.5-1.5 mass %, the aluminium of surplus and inevitable impurity mixed melting.
Fourth aspect present invention：A kind of recoverying and utilizing method of ADC12 aluminium alloys reclaimed materials is provided, should
Method includes：ADC12 aluminium alloys reclaimed materials is added into metal component, meets its composition：9.6-12
The silicon of quality %, the magnesium of 1-2 mass %, the copper of 1.1-2 mass %, iron, the 0.5-1.5 of 0.3-1 mass %
The manganese of quality %, the aluminium of surplus and inevitable impurity, then carry out melting die casting.Recovery profit
The raw material sources of alloy of the present invention can be significantly greatly increased with method, and further reduce production cost.
It is well-known to those skilled in the art to be, can add during production pack alloy of the invention
Enter the adding ingredients such as refining agent, and produced under suitable melting and Die Casting Condition, the present invention is no longer
Repeat.
The present invention will now be further described by way of examples, but therefore the present invention is not subject to any
Limitation.
All samples are according to GB/T 228.1-2010 in the embodiment of the present invention and comparative example, using model
(yield strength, tensile strength and prolong for the electronic universal tester of CMT5105 carries out tensile property
Stretch rate) test, wherein, gauge length is 50mm, and loading speed is 1mm/min.
All samples use GB/T 11337-2004 flatness errors in the embodiment of the present invention and comparative example
Indicator method in detection carries out flatness test.
The sample of the embodiment of the present invention is surveyed using the GB/T 13298-1991 metal microstructures method of inspection
Deposit phasor.
It is assumed that ADC12 alloy pigs are A yuan/ton, the cost of the aluminum alloy die casting of embodiment and comparative example
Estimated according to market conditions and obtained, according to general market conditions, the price of the price higher than copper of nickel, copper
Price of the price higher than magnesium, the price of the price of magnesium higher than manganese.
Embodiment 1
Aluminium alloy stock composition according to table 1 prepares aluminium alloy.Aluminium alloy stock is smelted into ingot casting, is obtained
To ingot casting casting is carried out on 160T cold chamber die-casting machines, closed so as to obtain die casting aluminium of the invention
Golden die casting.Wherein, it is 710 DEG C to melt soup temperature, and injection speed is 2m/s, and mold temperature is 200 DEG C,
Casting is the Aluminum alloy tensile test sample of size 1.5mm × 12.5mm × 80mm, in addition die casting size
It is 0.06cm*9cm*16cm thin-wall parts.
Yield strength, tensile strength, elongation percentage and the flatness of the aluminum alloy die casting for preparing are determined, and
According to market conditions assessed cost, as a result listed in table 2, metallograph is shown in Fig. 1 (transverse and longitudinal coordinate lists
Position is micron).
As shown in figure 1, metallograph of the die casting prepared by embodiment 1 under 500 times, crystal grain is big
Body is in 5 microns, fine uniform, without obvious thick Grain Boundary Precipitates.
Embodiment 2-3
The die casting of pack alloy is prepared using method same as Example 1, unlike, according to
The aluminium alloy stock composition of table 1 prepares aluminium alloy.
Yield strength, tensile strength, elongation percentage and the flatness of the aluminum alloy die casting for preparing are determined, and
According to market conditions assessed cost, as a result listed in table 2, metallograph is similar to Fig. 1, no longer arranges
Go out.
Comparative example 1-5
The die casting of pack alloy is prepared using method same as Example 1, unlike, according to
The aluminium alloy stock composition of table 1 prepares aluminium alloy.
Yield strength, tensile strength, elongation percentage and the flatness of the aluminum alloy die casting for preparing are determined, and
According to market conditions assessed cost, as a result listed in table 2.
From table 2 it can be seen that using the die casting prepared by inventive formulation, its strength character (including
Yield strength and tensile strength) it is good, especially yield strength can reach more than 230MPa, and elongation percentage
Holding also more than 1.5%, can meet demand of most of die-cast product to plasticity, while cost is basic
It is constant, or even reduce.The size of mobile phone center is right in 0.06*9*16cm or so in current IC products
Within 0.15mm, alloy of the present invention fully meets the requirement for the requirement of flatness.
The mechanical property of the most common pack alloy ADC12 die castings prepared by comparative example 1 is good,
Price is more competitive, and plasticity is preferable, but yield strength 165MPa is relatively low, and flatness
It is not good enough；Comparative example 2 and comparative example 3 illustrate to be reached if increasing copper or nickel and can also enable aluminum alloy to die casting
Yield strength higher, but cost increase is more；Comparative example 4 and the explanation of comparative example 5 reduce copper or magnesium
Content, the yield strength of aluminum alloy die casting declines, and flatness also declines, and properties of product are not as using
Aluminum alloy die casting prepared by inventive formulation.
Table 1
| Si | Cu | Mg | Mn | Fe | Ni | |
| Embodiment 1 | 12 | 1.1 | 2 | 1.5 | 0.6 | / |
| Embodiment 2 | 10 | 2 | 1 | 0.5 | 0.3 | / |
| Embodiment 3 | 11 | 1.5 | 1.5 | 1 | 1 | / |
| Comparative example 1 | 10 | 1.6 | 0.2 | 0.2 | 0.8 | / |
| Comparative example 2 | 10 | 3 | 0.3 | 0.1 | 0.7 | / |
| Comparative example 3 | 10 | 2.6 | 0.5 | 0.3 | 0.7 | 0.3 |
| Comparative example 4 | 10 | 0.9 | 1 | 0.5 | 0.3 | / |
| Comparative example 5 | 10 | 3 | 0.3 | 1 | 0.7 | / |
Note：Balance of aluminium and inevitable impurity, wherein impurity content refer to ADC12 standards.
Table 2
Claims (8)
1. a kind of pack alloy, the aluminium alloy by the silicon of 9.6-12 mass %, the magnesium of 1-2 mass %,
The copper of 1.1-2 mass %, the iron of 0.3-1 mass %, the manganese of 0.5-1.5 mass %, the aluminium of surplus and can not
The impurity for avoiding is constituted.
2. pack alloy according to claim 1, wherein, the aluminium alloy is by 10-12 mass %'s
Silicon, the magnesium of 1-2 mass %, the copper of 1.1-2 mass %, the iron of 0.5-0.7 mass %, 0.7-1 mass %
Manganese, the aluminium of surplus and inevitable impurity composition.
3. pack alloy according to claim 1, wherein, the yield strength of the aluminium alloy is
150-300 MPas, tensile strength is 220-320 MPas, and elongation percentage is 1.5-2.5%, and flatness is little
In 0.3 millimeter.
4. pack alloy according to claim 1, wherein, the yield strength of the aluminium alloy is
190-260 MPas, tensile strength is 240-310 MPas, and elongation percentage is 1.7-2.3%, and flatness is little
In 0.15 millimeter.
5. pack alloy according to claim 1, wherein, the grain size of the aluminium alloy is 10
Micron is following.
6. the pack alloy in claim 1-5 described in any one in automobile and 3C Product should
With.
7. a kind of method for producing pack alloy, the method includes：By the silicon of 9.6-12 mass %,
The magnesium of 1-2 mass %, the copper of 1.1-2 mass %, the iron of 0.3-1 mass %, the manganese of 0.5-1.5 mass %,
Die casting is carried out after the aluminium of surplus and inevitable impurity mixed melting.
8. a kind of recoverying and utilizing method of ADC12 aluminium alloys reclaimed materials, the method includes：By ADC12
Aluminium alloy reclaimed materials adds metal component, meets its composition：The silicon of 9.6-12 mass %, 1-2 mass %
Magnesium, the copper of 1.1-2 mass %, the iron of 0.3-1 mass %, the manganese of 0.5-1.5 mass %, surplus aluminium with
And inevitable impurity, then carry out melting die casting.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735072A (en) * | 2019-11-06 | 2020-01-31 | 帅翼驰新材料集团有限公司 | High-strength cast aluminum alloy without heat treatment strengthening and preparation method thereof |
| WO2021050674A1 (en) | 2019-09-10 | 2021-03-18 | Magna International Inc. | Aluminum alloy for high pressure die casting applications |
| CN113718143A (en) * | 2021-08-12 | 2021-11-30 | 西安鼎鑫科技新材料有限公司 | Ultrahigh-strength cast aluminum alloy wheel hub material ZL350/500 and manufacturing process thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021050674A1 (en) | 2019-09-10 | 2021-03-18 | Magna International Inc. | Aluminum alloy for high pressure die casting applications |
| CN114599806A (en) * | 2019-09-10 | 2022-06-07 | 麦格纳国际公司 | Aluminum alloy for high pressure die casting applications |
| EP4028564A4 (en) * | 2019-09-10 | 2023-09-13 | Magna International Inc. | Aluminum alloy for high pressure die casting applications |
| CN110735072A (en) * | 2019-11-06 | 2020-01-31 | 帅翼驰新材料集团有限公司 | High-strength cast aluminum alloy without heat treatment strengthening and preparation method thereof |
| CN113718143A (en) * | 2021-08-12 | 2021-11-30 | 西安鼎鑫科技新材料有限公司 | Ultrahigh-strength cast aluminum alloy wheel hub material ZL350/500 and manufacturing process thereof |
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| CN106811629B (en) | 2019-09-13 |
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