CN108330355A - One kind can anode processing high-strength/tenacity aluminum alloy and its manufacture craft - Google Patents
One kind can anode processing high-strength/tenacity aluminum alloy and its manufacture craft Download PDFInfo
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- CN108330355A CN108330355A CN201810483847.8A CN201810483847A CN108330355A CN 108330355 A CN108330355 A CN 108330355A CN 201810483847 A CN201810483847 A CN 201810483847A CN 108330355 A CN108330355 A CN 108330355A
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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
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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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
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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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Abstract
The invention discloses one kind can anode processing high-strength/tenacity aluminum alloy and its manufacture craft,Can anode processing high-strength/tenacity aluminum alloy in component and its weight based on percentage,Si is less than 3% but is free of 0%,Mg accounts for 4.0%~7.0%,Zn accounts for 0.07%~5%,Mn accounts for 0.1%~1.0%,Remaining is Al and a small amount of inevitable impurity,The invention discloses one kind can anode processing high-strength/tenacity aluminum alloy,Pass through the composition design to alloy,Multicomponent mutually acts synergistically,So that alloy is provided simultaneously with can anode processing,The advantages that high intensity and high-ductility,And maintain preferable casting character,Multicomponent cooperative reinforcing is used simultaneously,Good reinforcing effect is reached,It also avoids adversely affecting caused by each constituent element content is excessive,To obtain the product structure and more preferably mechanical property of complex precise,Anodic oxidation after stain effect is good simultaneously,Intensity is high,Toughness is high,With more excellent using effect,Bring better prospect of the application.
Description
Technical field
The present invention relates to field of aluminum alloys, and specially one kind can anode processing high-strength/tenacity aluminum alloy and its manufacture craft.
Background technology
Aluminium alloy is most widely used one kind non-ferrous metal structural material in industry, aerospace, machinery, electronics,
It has been widely applied in ship and chemical industry.With the rapid development of science and technology and social economy, the demand to aluminium alloy
Increasing, people also go deep into the research of aluminium alloy therewith.Die casting has production efficiency height, near-net-shape, surface quality good
The advantages that, especially suitable for high-volume, allegro industrialized production, it is widely used in the industries such as automobile, communication, electronics；Together
When with communication, electronic product to miniaturization, light-weighted direction develop, wall thickness is more and more thinner, therefore to its structural material
Intensity propose increasingly higher demands.While the alloy of certain element formation is added the advantages that keeping fine aluminium light also
Can have higher hardness, intensity, become ideal structural material.But traditional aluminium alloy still has shortcoming, due to
Limited by material composition and institutional framework, tend not to take into account intensity and plasticity, or there are casting character it is bad etc. it is unfavorable because
Element, it is difficult to meet the needs of following communication, electronic product are to structural material；Simultaneously as often Si contains traditional pack alloy
Amount is higher, is unfavorable for anodic oxidation, there is the problems such as coloring is ineffective, it is difficult to meet the production of the electronics such as people opponent's mechanical, electrical brain
Demand in terms of product appearance.
Invention content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides one kind can anode processing high-strength/tenacity aluminum alloy and its manufacture craft,
Be embodied in can during use, this can anode processing high-strength/tenacity aluminum alloy casting character it is excellent, taken into account strong
Degree and plasticity, anodic oxidation after stain effect is good, especially suitable for manufacturing to appearance and the higher communication of intensity requirement, electrical type
Product structure part.
（Two）Technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：One kind can anode processing high-strength and high ductility aluminium conjunction
Gold and its manufacture craft, component and its weight that can be in anode processing high-strength/tenacity aluminum alloy based on percentage, Si less than 3% but
4.0%~7.0%, Zn is accounted for without 0%, Mg accounting for 0.07%~5%, Mn and account for 0.1%~1.0%, remaining is Al and a small amount of inevitably miscellaneous
Matter.
Preferably, it is described can the inside of anode processing high-strength/tenacity aluminum alloy contain Fe, the content of Fe less than 0.2% and
Higher than 0%.
Preferably, it is described can the inside of anode processing high-strength/tenacity aluminum alloy contain Cu, the content of Cu less than 1.0% and
Higher than 0%.
Preferably, it is described can the inside of anode processing high-strength/tenacity aluminum alloy contain Ni, the content of Ni less than 0.3% and
Higher than 0%.
Preferably, it is described can anode processing high-strength/tenacity aluminum alloy also require in addition to Si, Mg, Zn, Mn, Fe, Cu element
The sum of weight percent of other all elements is not higher than 1%.
Preferably, it mainly includes the following steps that：Step 1：Fine aluminium ingot is launched into permanent magnetic stirring smelting apparatus, is heated to
After 200~300 DEG C, preheating time is 2 hours or more, and its object is to remove the moisture in furnace body and raw material, then add
Heat keeps the temperature 20~30 min to 750~800 DEG C, and fine aluminium ingot is made fully to melt, and Si, Mn, Zn are added into molten aluminum
It melts successively, then cools the temperature to 680~720 DEG C, finally Mg and remaining alloy compositions are added in molten aluminum, step 2：It protects
20~30 min of temperature, are sufficiently stirred using untouchable permanent magnetic stirring technology.Molten aluminum is reheated to 730~750 DEG C, is added
Enter refining agent to refine, rotation degasification, molten soup temperature is adjusted to 690~720 DEG C after 20~40 min of standing, step 3：It will melt
Soup pours into Aluminium ingot mould, obtain it is above-mentioned can anode processing high-strength/tenacity aluminum alloy ingot.
Preferably, permanent magnetic stirring smelting apparatus described in step 1 includes smelting furnace, permanent magnetic stirring magnet and permanent magnetism partition board；
The permanent magnetism partition board is close to melting furnace bottom, and permanent magnetism partition board is located above permanent magnetic stirring magnet；The magnetic of the permanent magnetism partition board
Change plane of the direction perpendicular to permanent magnetism partition board, the area of the permanent magnetism partition board is less than the area of the bottom of smelting furnace, the permanent magnetism
The magnetic field intensity of partition board is less than the magnetic field intensity of permanent magnetic stirring magnet.
Preferably, the permanent magnetism partition board is in sector, and the central angle of permanent magnetism partition board is 10 degree~80 degree；The permanent magnetism every
Plate is rectangular, assumes diamond in shape, one in ellipse, triangle and irregular shape；The thickness of the permanent magnetism separator edge is less than forever
The material of thickness among magnetic partition board, the permanent magnetism partition board is Nd-Fe-B permanent magnet, the material magnetic field intensity of the permanent magnetism partition board
It is the 5%~15% of the magnetic field intensity of permanent magnetic stirring magnet.
Preferably, it is nitrogen and one in argon gas that gas used by degasification is rotated described in step 2.
（Three）Advantageous effect
The present invention provides one kind can anode processing high-strength/tenacity aluminum alloy and its manufacture craft, have following advantageous effect：
（One）, by the composition design to alloy, multicomponent mutually acts synergistically, and so that alloy is provided simultaneously with can anode processing, high
The advantages that intensity and high-ductility, and maintain preferable casting character.
（Two）, the present invention alloy good reinforcing effect has been reached using multicomponent cooperative reinforcing, also avoid each
Adverse effect caused by constituent element content is excessive, to obtain the product structure and more preferably mechanical property of complex precise.
Description of the drawings
Fig. 1 be the present invention it is a kind of can anode handle the stretching of high-strength/tenacity aluminum alloy and its manufacture craft die casting tensile sample
Curve graph；
Fig. 2 be the present invention it is a kind of can anode handle the gold obtained on high-strength/tenacity aluminum alloy and its manufacture craft die casting tensile sample
Phasor.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
~2 are please referred to Fig.1, the present invention provides a kind of technical solution：One kind can anode processing high-strength/tenacity aluminum alloy and its
Manufacture craft, can anode processing high-strength/tenacity aluminum alloy in component and its weight based on percentage, Si less than 3% but be free of 0%,
Mg, which accounts for 4.0%~7.0%, Zn and accounts for 0.07%~5%, Mn, accounts for 0.1%~1.0%, remaining is Al and a small amount of inevitable impurity, described
Can the inside of anode processing high-strength/tenacity aluminum alloy contain Fe, the content of Fe is less than 0.2% and is higher than 0%, it is described can be at anode
Cu is contained in the inside of reason high-strength/tenacity aluminum alloy, and the content of Cu is less than 1.0% and is higher than 0%, it is described can anode handle high-strength height
Ni is contained in the inside of tough aluminium alloy, and the content of Ni is less than 0.3% and is higher than 0%, it is described can anode handle high-strength/tenacity aluminum alloy
The sum of weight percent of other all elements in addition to Si, Mg, Zn, Mn, Fe, Cu element is also required to be not higher than 1%, main packet
Include following steps：Step 1：Fine aluminium ingot, after being heated to 200~300 DEG C, preheating time are launched into permanent magnetic stirring smelting apparatus
It it is 2 hours or more, its object is to remove the moisture in furnace body and raw material, be then heated to 750~800 DEG C, protect simultaneously
20~30 min of temperature, make fine aluminium ingot fully melt, and Si, Mn, Zn is added into molten aluminum and melts successively, then cool the temperature to
680~720 DEG C, finally Mg and remaining alloy compositions are added in molten aluminum, step 2：20~30 min are kept the temperature, use is non-contact
Property permanent magnetic stirring technology is sufficiently stirred.Molten aluminum is reheated to 730~750 DEG C, refining agent refining is added, rotates degasification, it is quiet
It sets and molten soup temperature is adjusted to 690~720 DEG C after 20~40 min, step 3：Molten soup is poured into Aluminium ingot mould, is obtained above-mentioned
Can anode handle high-strength/tenacity aluminum alloy ingot, permanent magnetic stirring smelting apparatus described in step 1 includes smelting furnace, permanent magnetic stirring magnetic
Iron and permanent magnetism partition board；The permanent magnetism partition board is close to melting furnace bottom, and permanent magnetism partition board is located above permanent magnetic stirring magnet；It is described
For the direction of magnetization of permanent magnetism partition board perpendicular to the plane of permanent magnetism partition board, the area of the permanent magnetism partition board is less than the face of the bottom of smelting furnace
Product, the magnetic field intensity of the permanent magnetism partition board are less than the magnetic field intensity of permanent magnetic stirring magnet, and the permanent magnetism partition board is in sector, and forever
The central angle of magnetic partition board is 10 degree~80 degree；The permanent magnetism partition board is rectangular, assume diamond in shape, ellipse, triangle and irregular shape
In one；The thickness of the permanent magnetism separator edge is less than the thickness among permanent magnetism partition board, and the material of the permanent magnetism partition board is neodymium
Iron boron permanent magnet, the material magnetic field intensity of the permanent magnetism partition board are the 5%~15% of the magnetic field intensity of permanent magnetic stirring magnet, step 2
Described in gas used by rotation degasification be one in nitrogen and argon gas.
In summary
Example one：
The present embodiment provides one kind can anode handle high-strength/tenacity aluminum alloy, can anode processing high-strength/tenacity aluminum alloy in component
And its weight is based on percentage：Si, which accounts for 2.267%, Mg and accounts for 5.24%, Zn and account for 1.254%, Mn and account for 0.70%, Fe and account for 0.078%, Cu, to be accounted for
0.002%, Ni account for 0.006%, remaining is Al and a small amount of inevitable impurity.
Prepare can anode processing high-strength/tenacity aluminum alloy method include the following steps：
(1) launch fine aluminium ingot into permanent magnetic stirring smelting apparatus, be heated to 220 DEG C, preheating 2 hours or more, with remove furnace body and
Moisture in raw material；760 DEG C are then heated to, 30 min is kept the temperature, fine aluminium ingot is made fully to melt；Again into molten aluminum be added Si,
Mn, Zn melt successively, then cool the temperature to 720 DEG C, and Mg and remaining alloy compositions are added in molten aluminum；
(2) 30 min are kept the temperature, are sufficiently stirred using untouchable permanent magnetic stirring technology.Molten aluminum is reheated to 750 DEG C, is added
Enter refining agent refining, rotate degasification, stands 30 min, molten soup temperature is adjusted to 700 DEG C；
(3) molten soup is poured into Aluminium ingot mould, obtain it is above-mentioned can anode processing high-strength/tenacity aluminum alloy ingot.
Example one：
The present embodiment provides one kind can anode processing high-strength/tenacity aluminum alloy and its manufacture craft, can anode handle high-strength and high ductility aluminium
Component and its weight in alloy is based on percentage：Si, which accounts for 2.213%, Mg and accounts for 5.15%, Zn and account for 2.215%, Mn, accounts for 0.70%, Fe
It accounts for 0.08%, Cu and accounts for 0.003%, Ni and account for 0.007%, remaining is Al and a small amount of inevitable impurity.Prepare can anode processing it is high-strength
The method of tenacity aluminum alloy includes the following steps：
(1) launch fine aluminium ingot into permanent magnetic stirring smelting apparatus, be heated to 280 DEG C, preheating 2 hours or more, with remove furnace body and
Moisture in raw material；780 DEG C are then heated to, 20 min is kept the temperature, fine aluminium ingot is made fully to melt；Again into molten aluminum be added Si,
Mn, Zn melt successively, then cool the temperature to 690 DEG C, and Mg and remaining alloy compositions are added in molten aluminum；
(2) 20 min are kept the temperature, are sufficiently stirred using untouchable permanent magnetic stirring technology.Molten aluminum is reheated to 730 DEG C, is added
Enter refining agent refining, rotate degasification, stands 40 min, molten soup temperature is adjusted to 710 DEG C；
(3) molten soup is poured into Aluminium ingot mould, obtain it is above-mentioned can anode processing high-strength/tenacity aluminum alloy ingot.
Comparative example 1：
One kind can anode processing high-strength/tenacity aluminum alloy and its manufacture craft, component that can be in anode processing high-strength/tenacity aluminum alloy
And its weight is based on percentage：Si, which accounts for 2.275%, Mg and accounts for 5.44%, Zn and account for 0.031%, Mn and account for 0.70%, Fe and account for 0.076%, Cu, to be accounted for
0.003%, Ni account for 0.006%, remaining is Al and a small amount of inevitable impurity.
(1) fine aluminium ingot is launched into permanent magnetic stirring smelting apparatus, is heated to 260 DEG C, preheat 2 hours or more, to remove stove
Moisture in body and raw material；790 DEG C are then heated to, 25 min is kept the temperature, fine aluminium ingot is made fully to melt；Add again into molten aluminum
Enter Si, Mn, Zn to melt successively, then cool the temperature to 680 DEG C, Mg and remaining alloy compositions are added in molten aluminum；
(2) 20~30 min are kept the temperature, are sufficiently stirred using untouchable permanent magnetic stirring technology.Molten aluminum is reheated to 730
DEG C, refining agent refining is added, rotates degasification, stands 20 min, molten soup temperature is adjusted to 720 DEG C；
(3) molten soup is poured into Aluminium ingot mould, obtain it is above-mentioned can anode processing high-strength/tenacity aluminum alloy ingot.
By the embodiment of the present invention 1~2 and comparative example 1 can anode processing high-strength/tenacity aluminum alloy ingot melt again, heat
To 670 DEG C, with die casting machine be pressed into metal die, be made can anode processing high-strength/tenacity aluminum alloy aluminium alloy tensile sample.It surveys
The mechanical property of tensile sample is tried, test result is as shown in table 1.
| Tensile strength（MPa） | Yield strength（Mpa） | Elongation（%） | |
| Embodiment 1 | 343.3 | 181.9 | 9.5 |
| Embodiment 2 | 348.8 | 197.8 | 7.1 |
| Comparative example 1 | 321.9 | 169.2 | 10.2 |
From the results shown in Table 1, the aluminium alloy of the invention have higher intensity and plasticity, disclosure satisfy that communication,
Demand of the electronic product to structural material.And with the raising of Zn contents, the yield strength of the alloy increases, under elongation
Drop.When Zn contents are more than 0.3%, the yield strength of alloy is more than 180 MPa.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " including one ... the element limited, it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. one kind can anode handle high-strength/tenacity aluminum alloy, can anode processing high-strength/tenacity aluminum alloy in component and its weight press
Percentage meter, it is characterised in that：Si less than 3% but without 0%, Mg account for 4.0%~7.0%, Zn account for 0.07%~5%, Mn account for 0.1%~
1.0%, remaining is Al and a small amount of inevitable impurity.
2. according to claim 1 one kind can anode handle high-strength/tenacity aluminum alloy, it is characterised in that：It is described can anode processing
Fe is contained in the inside of high-strength/tenacity aluminum alloy, and the content of Fe less than 0.2% and is higher than 0%.
3. according to claim 1 one kind can anode handle high-strength/tenacity aluminum alloy, it is characterised in that：It is described can anode processing
Cu is contained in the inside of high-strength/tenacity aluminum alloy, and the content of Cu less than 1.0% and is higher than 0%.
4. according to claim 1 one kind can anode handle high-strength/tenacity aluminum alloy, it is characterised in that：It is described can anode processing
Ni is contained in the inside of high-strength/tenacity aluminum alloy, and the content of Ni less than 0.3% and is higher than 0%.
5. according to claim 1 one kind can anode handle high-strength/tenacity aluminum alloy, it is characterised in that：It is described can anode processing
High-strength/tenacity aluminum alloy also requires the sum of weight percent of other all elements in addition to Si, Mg, Zn, Mn, Fe, Cu element no
Higher than 1%.
6. according to claim 1 or 5 it is described it is a kind of can anode handle high-strength/tenacity aluminum alloy manufacture craft, it is characterised in that：
It mainly includes the following steps that：Step 1：Fine aluminium ingot is launched into permanent magnetic stirring smelting apparatus, after being heated to 200~300 DEG C, in advance
The hot time is 2 hours or more, its object is to remove the moisture in furnace body and raw material, be then heated to 750~800 DEG C,
20~30 min are kept the temperature simultaneously, fine aluminium ingot is made fully to melt, and Si, Mn, Zn is added into molten aluminum and melts successively, it then will be warm
Degree is down to 680~720 DEG C, finally Mg and remaining alloy compositions is added in molten aluminum, step 2：20~30 min are kept the temperature, are used
Untouchable permanent magnetic stirring technology is sufficiently stirred；Molten aluminum is reheated to 730~750 DEG C, refining agent refining, rotation is added
Molten soup temperature is adjusted to 690~720 DEG C, step 3 by degasification after standing 20~40 min：Molten soup is poured into Aluminium ingot mould, is obtained
To it is above-mentioned can anode handle high-strength/tenacity aluminum alloy ingot.
7. according to claim 6 it is a kind of can anode processing high-strength/tenacity aluminum alloy production method, it is characterised in that：Step
Permanent magnetic stirring smelting apparatus described in one includes smelting furnace, permanent magnetic stirring magnet and permanent magnetism partition board；The permanent magnetism partition board is close to molten
Furnace bottom, and permanent magnetism partition board is located above permanent magnetic stirring magnet；The direction of magnetization of the permanent magnetism partition board perpendicular to permanent magnetism every
The plane of plate, the area of the permanent magnetism partition board are less than the area of the bottom of smelting furnace, and the magnetic field intensity of the permanent magnetism partition board is less than
The magnetic field intensity of permanent magnetic stirring magnet.
8. permanent magnetic stirring smelting apparatus according to claim 7, it is characterised in that：The permanent magnetism partition board is in sector, and
The central angle of permanent magnetism partition board is 10 degree~80 degree；The permanent magnetism partition board is rectangular, assume diamond in shape, ellipse, triangle with it is irregular
One in shape；The thickness of the permanent magnetism separator edge is less than the thickness among permanent magnetism partition board, and the material of the permanent magnetism partition board is
Nd-Fe-B permanent magnet, the material magnetic field intensity of the permanent magnetism partition board are the 5%~15% of the magnetic field intensity of permanent magnetic stirring magnet.
9. according to claim 6 it is a kind of can anode processing high-strength/tenacity aluminum alloy manufacture craft, it is characterised in that：Step
It is nitrogen and one in argon gas that gas used by degasification is rotated described in two.
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| CN201810483847.8A CN108330355A (en) | 2018-06-06 | 2018-06-06 | One kind can anode processing high-strength/tenacity aluminum alloy and its manufacture craft |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277289A (en) * | 2020-09-27 | 2022-04-05 | 比亚迪股份有限公司 | Die-casting aluminum alloy and preparation method thereof, anodic oxidation appearance piece and electronic equipment |
| CN114592148A (en) * | 2022-03-11 | 2022-06-07 | 中南大学 | High-strength and high-toughness Al-Mg for additive manufacturing2Si-Zn alloy and preparation method and application thereof |
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| CN2854477Y (en) * | 2005-11-14 | 2007-01-03 | 洪俊 | Molten furnace stirring device with seething effect |
| CN105420564A (en) * | 2015-12-15 | 2016-03-23 | 深圳市鑫雅豪精密五金有限公司 | High-end aluminium alloy material MH-03 and preparation method thereof |
| CN107475583A (en) * | 2017-08-18 | 2017-12-15 | 中铝瑞闽股份有限公司 | Plate aluminium alloy strips and its manufacture method in a kind of high intensity mobile phone |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854477Y (en) * | 2005-11-14 | 2007-01-03 | 洪俊 | Molten furnace stirring device with seething effect |
| CN105420564A (en) * | 2015-12-15 | 2016-03-23 | 深圳市鑫雅豪精密五金有限公司 | High-end aluminium alloy material MH-03 and preparation method thereof |
| CN107475583A (en) * | 2017-08-18 | 2017-12-15 | 中铝瑞闽股份有限公司 | Plate aluminium alloy strips and its manufacture method in a kind of high intensity mobile phone |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277289A (en) * | 2020-09-27 | 2022-04-05 | 比亚迪股份有限公司 | Die-casting aluminum alloy and preparation method thereof, anodic oxidation appearance piece and electronic equipment |
| CN114592148A (en) * | 2022-03-11 | 2022-06-07 | 中南大学 | High-strength and high-toughness Al-Mg for additive manufacturing2Si-Zn alloy and preparation method and application thereof |
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