CN105525154A - Oxidized die-casting aluminum alloy ingot - Google Patents
Oxidized die-casting aluminum alloy ingot Download PDFInfo
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- CN105525154A CN105525154A CN201511025844.2A CN201511025844A CN105525154A CN 105525154 A CN105525154 A CN 105525154A CN 201511025844 A CN201511025844 A CN 201511025844A CN 105525154 A CN105525154 A CN 105525154A
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- aluminium
- alloy ingot
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- degasification
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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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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
An oxidized die-casting aluminum alloy ingot is composed of, by weight, 0.0314% of Si, 0.117% of Fe, 0.0022% of Cu, 1.56% of Mn, Mg greater than 0.0012%, 0.0974% of Cr, 0.127% of Ni, 0.0213% of Zn, 0.051% of Ti, 0.0002% of Ag, 0.0055% of B, 0.00062% of Be, Bi smaller than 0.001%, Ca smaller than 0.0001%, Cd smaller than 0.001%, Ce smaller than 0.0015%, 0.15% of Co, 0.0199% of Ga, 0.015% of Hg, La smaller than 0.0003%, Li smaller than 0.0002%, 0.00038% of Na, Pb smaller than 0.0005%, 0.0377% of Sb, Sn smaller than 0.001%, 0.0001% of Sr, 0.0055% of V, 0.001% of Zr and the balance aluminum. The oxidized die-casting aluminum alloy ingot has the advantages that the strength is high, the structure is stable, the hot tearing tendency is avoided, die-casting is easy and the application range is wide.
Description
Technical field
The present invention relates to aluminum alloy ingot field, espespecially a kind of oxidation aluminium diecast alloy ingot.
Background technology
Along with people are to the lighting of product, ornamental requirement is day by day strong, and aluminium alloy, because it is in the excellent behavior of these two aspects, more comes into one's own.And aluminium diecast alloy can realize the once shaped of complex construction in view of it, in low cost, there is very large advantage the simplification aspect of operation, makes the application of aluminium diecast alloy very general.
Aluminium alloy density is low, but strength ratio is higher, close to or exceed high-quality steel, plasticity is good, therefore foundry product many uses aluminium alloy.And cast aluminum-molykote composite material is all with the manufacture of " ingot " form, cast again after remelting; Sulphuric acid anodizing can be carried out painted in aluminium diecast alloy, only there are aluminum magnesium alloy and alumal, these two kinds of alloy plasticities, solidity to corrosion and surface quality are better, be applicable to the corrosion-resistant part of die casting and the high part of surface quality requirements, as household appliances part, corrosive atmosphere apparatus, ornamental part etc.; But aluminum magnesium alloy and alumal have and produce sclerosis and fragility, reduction elongation, increase the tendency of hot tearing, therefore die casting performance is poor, and range of application is lower, product is bad, although by the molding parameter adjusting pressure die-casting machine, the means such as adjustment die temperature control, and effect is also not obvious.
Summary of the invention
For solving the problem, the invention provides a kind of intensity large, Stability Analysis of Structures, without hot cracking tendency, is easy to die casting, the oxidation aluminium diecast alloy ingot of applied range.
For achieving the above object, the technical solution used in the present invention is: a kind of oxidation aluminium diecast alloy ingot, comprises following mass percent component:
Surplus is aluminium.
Be oxidized a making method for aluminium diecast alloy ingot, comprise the following steps:
A. in proportion proportioning is carried out to each component;
B. component good for proportioning is carried out thermal pretreatment, preheating temperature is 160-280 DEG C;
C. component Al is positioned over melting in smelting furnace heat and stir, wherein Heating temperature is 750-760, and churning time is 30-40min;
D. component S i, Fe, Cu, Mn, Mg, Ni, Zn, Sn are put into smelting furnace and carry out heating and stirring, wherein Heating temperature is 780-800 DEG C, and churning time is 25-35min;
E. component Cr, Ti, Ag, B, Be, Bi, Ca, Cd, Ce, Co, Ga, Hg, La, Li, Na, Pb, Sb, Sr, V are put into smelting furnace and carry out heating and stirring, wherein Heating temperature is 750-800 DEG C, and churning time is 30-40min;
F. impurity removing refining carry out degasification, the refining degasification time is 40min ~ 45min, and temperature controls at 750 DEG C ~ 780 DEG C;
G. refining degasification terminates rear standing 30min ~ 40min;
H. leave standstill and with Slag Tool, the slag floating over aluminium liquid surface is taken off to fire door after terminating, until taking off again to the slag car after the filter to the greatest extent of aluminium liquid in slag;
I. use filter screen filtration aluminium liquid, improve the degree of cleaning of aluminium liquid further;
J. temperature of aluminum liquid controls to cast 700 DEG C ~ 720 DEG C time, is cast as the shape of being convenient to transport.
Particularly, in step C, D, E, stirring means adopts permanent magnetism aluminium water mixer to stir.
Particularly, in step g, refining degasification method is: powdery innocuous refining flux is placed in powder spraying pot, adopts logical nitrogen method, powdery innocuous refining flux is blown into aluminium liquid through piping inner, carries out degasification while impurity removing refining.
Be oxidized an application for aluminium diecast alloy ingot, for making plate in mobile phone.
Beneficial effect of the present invention is: by with the addition of component S r, effectively improve intensity and the toughness of aluminum alloy ingot, and the component Ti added in aluminum alloy ingot, B, die casting product can be made to produce good grain refining, effectively overcome casting crack, improve casting of appearance of cast, improve ingot surface quality, particularly reduce ingot casting cold shut, and it is not when proof strength reduces, the impelling strength of effective raising aluminum alloy ingot, in addition by adding minor component Cr, Ag, Be, Bi, Ca, Cd, Ce, Co, Ga, Hg, La, Li, Na, Pb, Sb, V also coordinates the formula rate of science, give full play to high aluminium content material high connductivity, high heat conduction, creep resisting superperformance, be suitable as the raw material of pressure die casting, invention increases the texture that aluminium diecasting alloy die-cast product becomes, light durable for a long time, the product low cost achieving aluminium diecasting alloy application controls.
Embodiment
Below by embodiment, the present invention will be further described.
A kind of oxidation aluminium diecast alloy ingot, comprises following mass percent component:
Be oxidized a making method for aluminium diecast alloy ingot, comprise the following steps:
A. in proportion proportioning is carried out to each component;
B. component good for proportioning is carried out thermal pretreatment, preheating temperature is 200 DEG C;
C. component Al is positioned over melting in smelting furnace heat and stir, wherein Heating temperature is 750 DEG C, and churning time is 40min;
D. component S i, Fe, Cu, Mn, Mg, Ni, Zn, Sn are put into smelting furnace and carry out heating and stirring, wherein Heating temperature is 800 DEG C, and churning time is 35min;
E. component Cr, Ti, Ag, B, Be, Bi, Ca, Cd, Ce, Co, Ga, Hg, La, Li, Na, Pb, Sb, Sr, V are put into smelting furnace and carry out heating and stirring, wherein Heating temperature is 780 DEG C, and churning time is 40min;
F. impurity removing refining carry out degasification, the refining degasification time is 45min, and temperature controls at 750 DEG C;
G. refining degasification terminates rear standing 40min;
H. leave standstill and with Slag Tool, the slag floating over aluminium liquid surface is taken off to fire door after terminating, until taking off again to the slag car after the filter to the greatest extent of aluminium liquid in slag;
I. use filter screen filtration aluminium liquid, improve the degree of cleaning of aluminium liquid further;
J. temperature of aluminum liquid controls to cast 720 DEG C time, is cast as the shape of being convenient to transport.
Particularly, in step C, D, E, stirring means adopts permanent magnetism aluminium water mixer to stir.
Particularly, in step g, refining degasification method is: powdery innocuous refining flux is placed in powder spraying pot, adopts logical nitrogen method, powdery innocuous refining flux is blown into aluminium liquid through piping inner, carries out degasification while impurity removing refining.
Be oxidized an application for aluminium diecast alloy ingot, for making plate in mobile phone.
By with the addition of component S r, effectively improve intensity and the toughness of aluminum alloy ingot, and the component Ti added in aluminum alloy ingot, B, die casting product can be made to produce good grain refining, effectively overcome casting crack, improve casting of appearance of cast, improve ingot surface quality, particularly reduce ingot casting cold shut, and it is not when proof strength reduces, the impelling strength of effective raising aluminum alloy ingot, in addition by adding minor component Cr, Ag, Be, Bi, Ca, Cd, Ce, Co, Ga, Hg, La, Li, Na, Pb, Sb, V also coordinates the formula rate of science, give full play to high aluminium content material high connductivity, high heat conduction, creep resisting superperformance, be suitable as the raw material of pressure die casting, invention increases the texture that aluminium diecasting alloy die-cast product becomes, light durable for a long time, the product low cost achieving aluminium diecasting alloy application controls, wherein the amount of component Mg is larger, hardness is larger, be applicable to the making of plate in mobile phone.
The finished product physical function parameter after testing that the present embodiment makes is as shown in table 1.
| Project | Parameter |
| Tensile strength (N/mm 2) | 135 |
| Retractility (%) | 25 |
| Brinell hardness | 55 |
| Liquidus temperature (DEG C) | 680 |
| Solidus temperature (DEG C) | 670 |
| Specific conductivity (%IACS) | 35 5 --> |
| Thermal conductivity | 195 |
| Density (mg/m 3) | 2.7 |
| Endurance (N/mm 2) | 55 |
Table 1
Above embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that the common engineering technical personnel in this area make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (5)
1. be oxidized an aluminium diecast alloy ingot, it is characterized in that, comprise following mass percent component:
Si0.0314%；
Fe0.117%；
Cu0.0022%；
Mn1.56%；
Mg>0.0012%;
Cr0.0974%;
Ni0.127%;
Zn0.0213%;
Ti0.051%;
Ag0.0002%;
B0.0055%;
Be0.00062%;
Bi<0.001%;
Ca<0.0001%;
Cd<0.001%;
Ce<0.0015%;
Co0.15%;
Ga0.0199%;
Hg0.015%;
La<0.0003%;
Li<0.0002%;
Na0.00038%;
Pb<0.0005%;
Sb0.0377%;
Sn<0.001%;
Sr0.0001%;
V0.0055%;
Zr0.001%;
Surplus is aluminium.
2. a making method for oxidation aluminium diecast alloy ingot as claimed in claim 1, is characterized in that: comprise the following steps:
A. in proportion proportioning is carried out to each component;
B. component good for proportioning is carried out thermal pretreatment, preheating temperature is 160-280 DEG C;
C. component Al is positioned over melting in smelting furnace heat and stir, wherein Heating temperature is 750-760, and churning time is 30-40min;
D. component S i, Fe, Cu, Mn, Mg, Ni, Zn, Sn are put into smelting furnace and carry out heating and stirring, wherein Heating temperature is 780-800 DEG C, and churning time is 25-35min;
E. component Cr, Ti, Ag, B, Be, Bi, Ca, Cd, Ce, Co, Ga, Hg, La, Li, Na, Pb, Sb, Sr, V are put into smelting furnace and carry out heating and stirring, wherein Heating temperature is 750-800 DEG C, and churning time is 30-40min;
F. impurity removing refining carry out degasification, the refining degasification time is 40min ~ 45min, and temperature controls at 750 DEG C ~ 780 DEG C;
G. refining degasification terminates rear standing 30min ~ 40min;
H. leave standstill and with Slag Tool, the slag floating over aluminium liquid surface is taken off to fire door after terminating, until taking off again to the slag car after the filter to the greatest extent of aluminium liquid in slag;
I. use filter screen filtration aluminium liquid, improve the degree of cleaning of aluminium liquid further;
J. temperature of aluminum liquid controls to cast 700 DEG C ~ 720 DEG C time, is cast as the shape of being convenient to transport.
3. the making method of oxidation aluminium diecast alloy ingot as claimed in claim 2, is characterized in that, in step C, D, E, stirring means adopts permanent magnetism aluminium water mixer to stir.
4. the making method of oxidation aluminium diecast alloy ingot as claimed in claim 2, it is characterized in that, in step g, refining degasification method is: powdery innocuous refining flux is placed in powder spraying pot, adopt logical nitrogen method, powdery innocuous refining flux is blown into aluminium liquid through piping inner, while impurity removing refining, carries out degasification.
5. an application for oxidation aluminium diecast alloy ingot as claimed in claim 1, is characterized in that, for making plate in mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025844.2A CN105525154A (en) | 2015-12-29 | 2015-12-29 | Oxidized die-casting aluminum alloy ingot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025844.2A CN105525154A (en) | 2015-12-29 | 2015-12-29 | Oxidized die-casting aluminum alloy ingot |
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| CN105525154A true CN105525154A (en) | 2016-04-27 |
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| CN201511025844.2A Pending CN105525154A (en) | 2015-12-29 | 2015-12-29 | Oxidized die-casting aluminum alloy ingot |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107012367A (en) * | 2017-03-23 | 2017-08-04 | 合肥协耀玻璃制品有限公司 | A kind of manufacturing process for door and window aluminium alloy |
| CN108546855A (en) * | 2018-05-09 | 2018-09-18 | 合肥汇之新机械科技有限公司 | A kind of High thermal conductivity cast aluminium alloy and preparation method thereof |
| CN108624789A (en) * | 2017-03-17 | 2018-10-09 | 天津金鹏铝材制造有限公司 | A kind of production technology of aluminium alloy ingots |
| CN112609112A (en) * | 2020-11-16 | 2021-04-06 | 中山市银骏五金制品有限公司 | High-rust-resistance aluminum alloy and preparation method thereof |
-
2015
- 2015-12-29 CN CN201511025844.2A patent/CN105525154A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624789A (en) * | 2017-03-17 | 2018-10-09 | 天津金鹏铝材制造有限公司 | A kind of production technology of aluminium alloy ingots |
| CN107012367A (en) * | 2017-03-23 | 2017-08-04 | 合肥协耀玻璃制品有限公司 | A kind of manufacturing process for door and window aluminium alloy |
| CN108546855A (en) * | 2018-05-09 | 2018-09-18 | 合肥汇之新机械科技有限公司 | A kind of High thermal conductivity cast aluminium alloy and preparation method thereof |
| CN112609112A (en) * | 2020-11-16 | 2021-04-06 | 中山市银骏五金制品有限公司 | High-rust-resistance aluminum alloy and preparation method thereof |
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Application publication date: 20160427 |
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