CN105401002A - Aluminum alloy for ring-pull can - Google Patents
Aluminum alloy for ring-pull can Download PDFInfo
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- CN105401002A CN105401002A CN201510786788.8A CN201510786788A CN105401002A CN 105401002 A CN105401002 A CN 105401002A CN 201510786788 A CN201510786788 A CN 201510786788A CN 105401002 A CN105401002 A CN 105401002A
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- aluminium alloy
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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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Abstract
The invention discloses aluminum alloy for a ring-pull can. The aluminum alloy for the ring-pull can is prepared from, by weight, 1%-1.3% of Mn, 0.4%-0.55% of Cu, 0.03%-0.09% of Ni, 0.3%-0.6% of Sr, 0.5%-0.8% of Ti, 0.1%-0.3% of Zr, 0.7%-0.8% of Mg, 0.15%-0.25% of Zn, 0.01%-0.05% of In, 0.001-0.0035% of Ca, 0.1%-0.2% of Cr, 0.01%-0.02% of Ce, 0.003%-0.006% of La, 0.5%-0.6% of Ag, 0.05%-0.1% of B, 0.1%-0.3% of Si and the balance Al. The aluminum alloy for the ring-pull can is good in corrosion resistance, capable of reducing the amount of aluminum adsorbed by a human body, high in strength and hardness, good in compression resistance and abrasion resistance, easy to store, good in plastic processing performance and easy to machine and form.
Description
Technical field
The present invention relates to technical field of aluminum alloy technology, particularly relate to a kind of easy-to-draw Aluminium alloy for pots.
Background technology
Pop can adopts the material of cover itself through being processed to form a rivet, puts a draw ring outward and rivets tightly, is equipped with the indentation that adapts and becomes a complete cover.Pop can have lightweight, volume is little, not easily broken, portable advantage, so enjoy people to favor.Aluminium alloy due to lightweight, attractive in appearance, stainless and be easy to be shaped, often as the making material of pop can.But than bottled drink height 3-6 doubly, this is due in the course of processing of pop can to aluminium content, and some regional protectionism coating is not coated unavoidably, or is coated with excessively thin, causes top tank structure aluminium alloy to contact with beverage in easy open can beverage.And aluminium simple substance can generate aluminium salt with acid-respons, meta-aluminate can be generated with alkali reaction again, therefore need the aluminium ring pull end that erosion resistance is more excellent.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of easy-to-draw Aluminium alloy for pots, corrosion resistance is good, reduce human body to the absorption of aluminium, and intensity and hardness high, anti-pressure and abrasion-proof performance is good, be easy to store, plastic deformation ability is good simultaneously, is easy to machine-shaping.
The easy-to-draw Aluminium alloy for pots of one that the present invention proposes, its compositions in weight percentage comprises: Mn:1 ~ 1.3%, Cu:0.4 ~ 0.55%, Ni:0.03 ~ 0.09%, Sr:0.3 ~ 0.6%, Ti:0.5 ~ 0.8%, Zr:0.1 ~ 0.3%, Mg:0.7 ~ 0.8%, Zn:0.15 ~ 0.25%, In:0.01 ~ 0.05%, Ca:0.001 ~ 0.0035%, Cr:0.1 ~ 0.2%, Ce:0.01 ~ 0.02%, La:0.003 ~ 0.006%, Ag:0.5 ~ 0.6%, B:0.05 ~ 0.1%, Si:0.1 ~ 0.3%, surplus is Al.
Preferably, the relation of Cu, Mg and Zn is as follows: 2 × Cu=Mg+Zn.
Preferably, the weight ratio of Zr, Ce, La, B is 15 ~ 25:1.5 ~ 1.8:0.4 ~ 0.5:7 ~ 8.
Preferably, the relation of Mn, Cr, Ti is as follows: Mn+Cr+Ti >=1.8%.
Preferably, the weight ratio of Mg, Si, Cr and Mn is 72 ~ 78:20 ~ 25:16 ~ 18:110 ~ 120.
Preferably, its compositions in weight percentage comprises: Mn:1.1 ~ 1.2%, Cu:0.45 ~ 0.5%, Ni:0.05 ~ 0.07%, Sr:0.4 ~ 0.5%, Ti:0.6 ~ 0.7%, Zr:0.15 ~ 0.25%, Mg:0.72 ~ 0.78%, Zn:0.18 ~ 0.22%, In:0.02 ~ 0.03%, Ca:0.002 ~ 0.003%, Cr:0.16 ~ 0.18%, Ce:0.015 ~ 0.018%, La:0.004 ~ 0.005%, Ag:0.56 ~ 0.58%, B:0.07 ~ 0.08%, Si:0.2 ~ 0.25%, surplus is Al.
The present invention's technique preparation routinely.
The content of Ni and Cu is the important factor affecting aluminium alloy plasticity, and improve the intensity that Ni and Cu content often can improve aluminium alloy, therefore the control of Cu element weight percent in the alloy can affect the intensity of aluminium alloy greatly.And Cu and Mg, Si, Cr coordinate and can improve intensity of aluminum alloy and etch resistant properties, wherein Mg and Si adds in aluminium simultaneously and forms the Al-Mg-Si alloy that strengthening phase is MgSi.Adding the recrystallization behavior that Mn element changes aluminium alloy in aluminium alloy, control the weave construction component in alloy and intensity, is the important means reducing material anisotropy.With the addition of the aluminium alloy of Mn element, intensity and the toughness of aluminium alloy can also be strengthened, can Mg be made simultaneously
5al
8compound precipitation from homogeneous solution, improves corrosion resistance and welding property.
In Al, add Zn and Mg simultaneously, form strengthening phase Mg/Zn
2, obvious strengthening effect is produced to aluminium alloy, improves intensity of the present invention and corrosion resistance.
Ti is Addition ofelements conventional in aluminium alloy, and add with Al-Ti or Al-Ti-B master alloy form, Ti and Al forms TiAl
2phase, become heterogeneous necleus during crystallization, play refinement cast structure and seam organization, titanium aluminum alloy can under 600 DEG C or higher temperature life-time service, good ductility and toughness can be kept under-196 ~ 253 DEG C of low temperature, avoid metal cold fragility, and the intensity of alloy, hardness and wear resistance can be significantly improved.
In can increase the recrystallize humidity of aluminium alloy, improves the processibility of aluminium alloy, opourability and welding property.
Cr forms (CrMn) Al in aluminium alloy
12deng intermetallic compound, hinder the nucleation and growth process of recrystallize, alloy has strengthening effect, can also improve alloy ductility and reduce stress corrosion opening cracking maleate sensitivity.But can quenching sensitive be increased.
Si be improve liquidity can major ingredient, can obtain best mobility from eutectic to hypereutectic, intensity when also can improve tensile strength, hardness, machinability and high temperature, and unit elongation is reduced, aluminum silicon alloy has fabulous castability and corrosion stability.
Sr is surface active element, in crystallography, Sr can change the behavior of intermetallic compound, Sr element is adopted to carry out plastic working and the end product quality that Metamorphism treatment can improve alloy, Sr is added in Al-Si alloy, primary silicon size of particles can be reduced, improve plastic deformation ability, can successfully hot rolling and cold rolling.
Zr can play deoxidation, denitrogenates in alloy smelting, the effect of desulfuration, and zirconium has very strong ductility, adds Zr in aluminium alloy, and hardness and intensity will shockingly improve.
Ce and La cooperation adds in aluminium alloy, very easily with metal and nonmetal effect, generate corresponding stable compound, make to increase constitutional supercooling during aluminum alloy melt casting, crystal grain thinning, reduce secondary intergranular distance, reduce the gas in alloy and be mingled with, fill up alloy phase and must show defect, and make constituent phases be tending towards nodularization, also smelt surface tension can be reduced, increase mobility, be conducive to casting ingot-forming, and the critical temperature of aluminium alloy timeliness G.P district formation can be reduced, Mg and Ce simultaneously, La coordinates as alterant in aluminium alloy, thus obtain tiny casting crystal grain, improve the intensity of aluminium alloy, hardness and wear resistance.
And the Ca of Ce, La and trace can adsorb and dissolved hydrogen forms hydrogeneous compound, its fusing point is higher, and Dispersed precipitate is in aluminium liquid, can not assemble formation bubble with the hydrogen of compound formation, greatly reduces hydrogen content and the pin hole rate of aluminium alloy.
At high temperature, the crystal boundary of alloy is weak link, and because Ce, La can purify crystal boundary, crystal boundary room filled by B, Zr nuclear power, can improve grain-boundary strength, reduces grain boundary decision speed in creep process, improves plasticity and intensity.
In sum, corrosion resistance of the present invention is good, reduces human body to the absorption of aluminium, and intensity and hardness high, anti-pressure and abrasion-proof performance is good, is easy to store, and simultaneously plastic deformation ability is good, is easy to machine-shaping.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
The easy-to-draw Aluminium alloy for pots of one that the present invention proposes, its compositions in weight percentage comprises: Mn:1%, Cu:0.55%, Ni:0.03%, Sr:0.6%, Ti:0.5%, Zr:0.3%, Mg:0.7%, Zn:0.25%, In:0.01%, Ca:0.0035%, Cr:0.1%, Ce:0.02%, La:0.003%, Ag:0.6%, B:0.05%, Si:0.3%, surplus is Al.
Embodiment 2
The easy-to-draw Aluminium alloy for pots of one that the present invention proposes, its compositions in weight percentage comprises: Mn:1.3%, Cu:0.4%, Ni:0.09%, Sr:0.3%, Ti:0.8%, Zr:0.1%, Mg:0.8%, Zn:0.15%, In:0.05%, Ca:0.001%, Cr:0.2%, Ce:0.01%, La:0.006%, Ag:0.5%, B:0.1%, Si:0.1%, surplus is Al.
Embodiment 3
The easy-to-draw Aluminium alloy for pots of one that the present invention proposes, its compositions in weight percentage comprises: Mn:1.1%, Cu:0.45%, Ni:0.05%, Sr:0.5%, Ti:0.7%, Zr:0.15%, Mg:0.72%, Zn:0.18%, In:0.03%, Ca:0.002%, Cr:0.16%, Ce:0.018%, La:0.004%, Ag:0.58%, B:0.07%, Si:0.25%, surplus is Al
Embodiment 4
The easy-to-draw Aluminium alloy for pots of one that the present invention proposes, its compositions in weight percentage comprises: Mn:1.2%, Cu:0.5%, Ni:0.07%, Sr:0.4%, Ti:0.6%, Zr:0.25%, Mg:0.72%, Zn:0.22%, In:0.02%, Ca:0.003%, Cr:0.18%, Ce:0.015%, La:0.005%, Ag:0.56%, B:0.08%, Si:0.2%, surplus is Al.
Embodiment 5
The easy-to-draw Aluminium alloy for pots of one that the present invention proposes, its compositions in weight percentage comprises: Mn:1.15%, Cu:0.48%, Ni:0.06%, Sr:0.45%, Ti:0.65%, Zr:0.2%, Mg:0.76%, Zn:0.2%, In:0.025%, Ca:0.0022%, Cr:0.17%, Ce:0.017%, La:0.0048%, Ag:0.57%, B:0.075%, Si:0.23%, surplus is Al.
Adopt the easy-to-draw Aluminium alloy for pots of embodiment 5 gained to carry out Performance Detection, by 3004 aluminium alloys as a control group, carry out hardness and acid-alkali-corrosive-resisting test, its result is as follows:
Wherein acid-alkali-corrosive-resisting test is the thin slice easy-to-draw Aluminium alloy for pots of embodiment 5 gained and 3004 aluminium alloys being made 1mm × 10mm × 120mm, then be placed in put into NaOH solution that massfraction is 10wt% and massfraction be the hydrochloric acid of 5wt% at room temperature etch 100h, detect two groups of corrosion weight losses.
| Project | Embodiment 5 | 3004 aluminium alloys |
| Hardness, HV | 500 | 490 |
| Alkali corrosion resistance, g | 0.00024 | 0.00062 |
| Acid corrosion-resistant, g | 0.00015 | 0.00076 |
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. an easy-to-draw Aluminium alloy for pots, it is characterized in that, its compositions in weight percentage comprises: Mn:1 ~ 1.3%, Cu:0.4 ~ 0.55%, Ni:0.03 ~ 0.09%, Sr:0.3 ~ 0.6%, Ti:0.5 ~ 0.8%, Zr:0.1 ~ 0.3%, Mg:0.7 ~ 0.8%, Zn:0.15 ~ 0.25%, In:0.01 ~ 0.05%, Ca:0.001 ~ 0.0035%, Cr:0.1 ~ 0.2%, Ce:0.01 ~ 0.02%, La:0.003 ~ 0.006%, Ag:0.5 ~ 0.6%, B:0.05 ~ 0.1%, Si:0.1 ~ 0.3%, surplus is Al.
2. easy-to-draw Aluminium alloy for pots according to claim 1, it is characterized in that, the relation of Cu, Mg and Zn is as follows: 2 × Cu=Mg+Zn.
3. easy-to-draw Aluminium alloy for pots according to claim 1 or 2, is characterized in that, the weight ratio of Zr, Ce, La, B is 15 ~ 25:1.5 ~ 1.8:0.4 ~ 0.5:7 ~ 8.
4. easy-to-draw Aluminium alloy for pots according to any one of claim 1-3, is characterized in that, the relation of Mn, Cr, Ti is as follows: Mn+Cr+Ti >=1.8%.
5. easy-to-draw Aluminium alloy for pots according to any one of claim 1-4, is characterized in that, the weight ratio of Mg, Si, Cr and Mn is 72 ~ 78:20 ~ 25:16 ~ 18:110 ~ 120.
6. easy-to-draw Aluminium alloy for pots according to any one of claim 1-5, it is characterized in that, its compositions in weight percentage comprises: Mn:1.1 ~ 1.2%, Cu:0.45 ~ 0.5%, Ni:0.05 ~ 0.07%, Sr:0.4 ~ 0.5%, Ti:0.6 ~ 0.7%, Zr:0.15 ~ 0.25%, Mg:0.72 ~ 0.78%, Zn:0.18 ~ 0.22%, In:0.02 ~ 0.03%, Ca:0.002 ~ 0.003%, Cr:0.16 ~ 0.18%, Ce:0.015 ~ 0.018%, La:0.004 ~ 0.005%, Ag:0.56 ~ 0.58%, B:0.07 ~ 0.08%, Si:0.2 ~ 0.25%, surplus is Al.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510786788.8A CN105401002A (en) | 2015-11-14 | 2015-11-14 | Aluminum alloy for ring-pull can |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510786788.8A CN105401002A (en) | 2015-11-14 | 2015-11-14 | Aluminum alloy for ring-pull can |
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| Publication Number | Publication Date |
|---|---|
| CN105401002A true CN105401002A (en) | 2016-03-16 |
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| CN201510786788.8A Pending CN105401002A (en) | 2015-11-14 | 2015-11-14 | Aluminum alloy for ring-pull can |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094276A (en) * | 2022-06-30 | 2022-09-23 | 广东和胜工业铝材股份有限公司 | Aluminum alloy and preparation method and application thereof |
Citations (5)
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|---|---|---|---|---|
| JP2003013163A (en) * | 2001-07-03 | 2003-01-15 | Toyota Motor Corp | Sliding member made from powder aluminum alloy, and combination of cylinder and piston ring |
| CN1555423A (en) * | 2001-07-25 | 2004-12-15 | �Ѻ͵繤��ʽ���� | Aluminum alloy excellent in machinability, and aluminum alloy material and method for production thereof |
| CN102312135A (en) * | 2010-06-30 | 2012-01-11 | 通用汽车环球科技运作有限责任公司 | Improved y alloy y |
| WO2013083021A1 (en) * | 2011-12-07 | 2013-06-13 | 福建省瑞奥麦特轻金属有限责任公司 | High strength aluminum alloy wheel |
| CN104451274A (en) * | 2014-12-02 | 2015-03-25 | 绥阳县耐环铝业有限公司 | Method for preparing aluminum alloy |
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2015
- 2015-11-14 CN CN201510786788.8A patent/CN105401002A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003013163A (en) * | 2001-07-03 | 2003-01-15 | Toyota Motor Corp | Sliding member made from powder aluminum alloy, and combination of cylinder and piston ring |
| CN1555423A (en) * | 2001-07-25 | 2004-12-15 | �Ѻ͵繤��ʽ���� | Aluminum alloy excellent in machinability, and aluminum alloy material and method for production thereof |
| CN102312135A (en) * | 2010-06-30 | 2012-01-11 | 通用汽车环球科技运作有限责任公司 | Improved y alloy y |
| WO2013083021A1 (en) * | 2011-12-07 | 2013-06-13 | 福建省瑞奥麦特轻金属有限责任公司 | High strength aluminum alloy wheel |
| CN104451274A (en) * | 2014-12-02 | 2015-03-25 | 绥阳县耐环铝业有限公司 | Method for preparing aluminum alloy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115094276A (en) * | 2022-06-30 | 2022-09-23 | 广东和胜工业铝材股份有限公司 | Aluminum alloy and preparation method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Inventor after: Dong Qiongqiong Inventor before: Li Zhengyuan |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161219 Address after: 230601, Hefei economic and Technological Development Zone, Anhui, stone road, No. 339, No. 22, Venus commercial building, floor two, 2006 Applicant after: Hefei Yi Yuanxin Material Co., Ltd. Address before: Hefei City, Anhui province water 230000 Yangjiang Road, building 6 seasons flowers Lang Yunyuan block C Room 601 Applicant before: HEFEI BIAOBING KAIJI NEW MATERIALS CO., LTD. |
|
| TA01 | Transfer of patent application right | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160316 |
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| RJ01 | Rejection of invention patent application after publication |