CN102534313A - Er-added Al-Fe-Si aluminum foil material - Google Patents
Er-added Al-Fe-Si aluminum foil material Download PDFInfo
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- CN102534313A CN102534313A CN201210011253XA CN201210011253A CN102534313A CN 102534313 A CN102534313 A CN 102534313A CN 201210011253X A CN201210011253X A CN 201210011253XA CN 201210011253 A CN201210011253 A CN 201210011253A CN 102534313 A CN102534313 A CN 102534313A
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Abstract
The invention relates to an Er-added Al-Fe-Si aluminum foil material, belonging to the technical field of metal alloys. The aluminum foil material comprises the following chemical components: 0.01-0.15% of Er, 0.5-0.6% of Si, 0.7-0.85% of Fe, and the balance of Al and some inevitable impurities. The aluminum foil with required specification is prepared by smelting, casting and cold hot/working. The rare-earth element Er is added: (1) the mechanical properties of the Al-Fe-Si (8011) aluminum foil are improved, and the tensile strength, yield strength and the like of the alloy at normal temperature are enhanced to different degrees on the premise of maintaining the elongation percentage; (2) the resistivity of the aluminum foil is lowered, and the resistivity slowly increases as the Er content increases; and (3) the anisotropy of the rolled aluminum foil is obviously improved, and the tensile strength difference between the rolling direction and the transverse direction is lowered.
Description
Technical field
The invention belongs to field of metal alloy technology, be specifically related to the Al-Fe-Si aluminum foil material of a kind of Er of interpolation.
Background technology
Predict according to relevant department; The aluminium sheet band throughput that needed in 2015 will reach about 5,750,000 tons; Aluminium foil will reach 1,440,000 tons; China's aluminium sheet strip and foil material will supply exceed demand, and the market focus mainly concentrates on high precision product with high content of technology, that technical difficulty is big, and REE will become an important ring that promotes the aluminium foil development with its special performance.The meaning that the present invention's research contains 8011 aluminum foil materials of Er mainly contains two aspects; On the one hand be to combine seminar for many years on the research basis to rare earth element er; Trial uses rare earth element er to improve the performance of aluminium foil in aluminium foil production; Meet Chinese now aluminium foil industry press for high content of technology, the practical situation of the high-precision aluminium foil product innovation that technical difficulty is big, and the price of rare earth element er relatively other a lot of REEs are lower; If successfully make a breakthrough, will play an important role in the interior over the next several years aluminium foil industry reform.On the other hand; Though rare earth element er all has effect in various degree to the performance boost of many duraluminums; But the fine aluminium aluminium foil of main flow is because of its cost of material now; Problem such as annealing susceptibility etc. is replaced because of its cheap relatively cost of material and preferable performance by 8011 aluminium foils in the plurality of applications field, and is increasing in the market share of aluminium foil.Therefore, the comprehensive many-sided factor of the present invention, at first study containing erbium 8011 aluminum foil materials: (1) is in order to improve the rolling performance of aluminium foil stock; Reduce resistance to deformation; Be to reduce Fe, Si element solid solution amount as far as possible, it is separated out from matrix, be present in the aluminum substrate with the form of second phase.(2) in order to reduce the pin hole rate, then to suppress needle-like Al
3Fe phase and bar-shaped β
b(FeAlSi) generation of phase and grow up (3) it is generally acknowledged that rare earth mainly exists with 3 kinds of forms in duraluminum: solid solution is in matrix; Gather partially at phase boundary, crystal boundary and dendrite circle; Be solid-solubilized in the compound or and exist with compound form.
Summary of the invention
Al-Fe-Si (preferred 8011) the alloy aluminum foil material that the purpose of this invention is to provide a kind of novel interpolation Er; Over-all propertieies such as its hardness, tensile strength, ys, unit elongation, specific conductivity are good; And anisotropy of material be improved significantly, be easy to the novel material of cold and hot working.
The present invention is to be matrix with Al-Fe-Si (preferred 8011) alloy, suitably adds rare earth element er, can obtain new A l-Fe-Si-Er aluminum foil material.The interpolation of rare earth element er has important effect: promoted on the one hand separating out of impurity element Fe, Si, purified matrix, crystal grain thinning promotes specific conductivity, also kept moulding simultaneously; Have strengthening effects such as solution strengthening, dispersion-strengthened on the other hand, thereby improve alloy mechanical property.Two aspect factors have determined intensity, hardness and the electric conductivity of material jointly, in addition through influencing the anisotropy that the alloy deformation texture type improves aluminium foil.
Al-Fe-Si (8011) aluminum foil material of this interpolation Er provided by the invention is characterized in that, the each component and the weight percent thereof that add the duraluminum aluminum foil material of Er are:
Si 0.5～0.6％
Fe 0.7～0.85％
Er 0.01～0.15％
Al and other unavoidable impurities surpluses.
Adopt the technology of the routine of melting, casting, cold and hot working to prepare required specification aluminium foil.Al-Fe-Si aluminum foil material like above-mentioned interpolation Er can be realized through following method: adopting 8011 alloys and Al-Er master alloy is raw material, carries out melting and makes its component be: 0.5～0.6%Si, 0.7～0.85%Fe, 0.01～0.15%Er, surplus Al and other unavoidable impurities; 760 ℃ of smelting temperatures are through stirring, C
6Cl
6The degasification refining pours into alloy pig in 720 ℃; Ingot homogenization technology: 565 ℃ of temperature are incubated 4 hours; Drop to 490 ℃, be incubated 2 hours.Hot rolling technology: 490 ℃ of start rolling temperatures, finishing temperature 300-330 ℃.Carry out then cold rolling, be prepared into aluminum foil finished product; Aluminum foil finished product is annealed, annealing process: 18 hours TRTs, 235 ℃ of insulations 15 hours cooled to 200 ℃ in 4 hours, were incubated 22 hours, came out of the stove after reducing to 100 ℃ in 10 hours.
Add rare earth element er among the present invention: the mechanical property of Al-Fe-Si (8011) aluminium foil has been improved in (1), when keeping unit elongation, has improved tensile strength under the alloy normal temperature, ys etc. in various degree; (2) reduced the resistivity of aluminium foil, and resistivity rises slowly with the rising of Er content; (3) obviously improved the anisotropy of roll forming aluminium foil, it is poor to reduce the tensile strength of rolling between laterally.
Beneficial effect of the present invention:
Because the present invention adds the rare earth element er of different content in Al-Fe-Si (especially 8011) alloy, improved the mechanical property of aluminium foil stock and finished product aluminium foil, the room temperature tensile strength σ of alloy
bWith ys σ
0.2Improved in various degree, other compositions all remain unchanged or rise to some extent.Resistivity also has obvious decline, and along with the rising of Er content, in rising trend, move closer to comparison example (like Fig. 1).The maximum contribution of rare earth element er is to improve the deformed microstructure anisotropy, make cold rolling attitude, annealed state aluminium foil roll to and laterally between the tensile strength difference all have obviously and reduce (like Fig. 2, Fig. 3).
Description of drawings
Fig. 1: embodiment 1 to embodiment 4 resistivity comparison diagram;
Fig. 2: Comparative Examples 5, embodiment 6 cold rolling attitudes roll to cross directional stretch performance comparison diagram;
Fig. 3: Comparative Examples 5, embodiment 6 annealed state roll to cross directional stretch performance comparison diagram.
Embodiment
Comparative Examples 1: adopting 8011 alloys is raw material, melting Al-0.7Fe-0.5Si alloy, and 760 ℃ of smelting temperatures are through stirring, C
6Cl
6The degasification refining pours into 200*100*30 (mm) alloy pig in 720 ℃.Ingot homogenization technology: 565 ℃ are incubated 4 hours, drop to 490 ℃ of insulations 2 hours then.Hot rolling technology: 490 ℃ of start rolling temperatures, finishing temperature 300-330 ℃, hot-rolled finished product thickness 3.0 (mm).Cold-rolling process: 3.0-1.2-0.6-0.30 (mm).Aluminum foil rolling technology: 0.30-0.1-0.05-0.04-0.03 (mm).Aluminum foil finished products technology: 18 hours TRTs, 235 ℃ of insulations 15 hours cooled to 200 ℃ in 4 hours, were incubated 22 hours, came out of the stove after reducing to 100 ℃ in 10 hours.
Embodiment 2: adopting 8011 alloys and Al-Er master alloy is raw material, melting Al-0.7Fe-0.5Si-0.05Er alloy, and 760 ℃ of smelting temperatures are through stirring, C
6Cl
6The degasification refining pours into 200*100*30 (mm) alloy pig in 720 ℃.Ingot homogenization technology: 565 ℃ of temperature, be incubated 4 hours, drop to 490 ℃, be incubated 2 hours.Hot rolling technology: 490 ℃ of start rolling temperatures, finishing temperature 300-330 ℃, hot-rolled finished product thickness 3.0 (mm).Cold-rolling process: 3.0-1.2-0.6-0.30 (mm).Aluminum foil rolling technology: 0.30-0.1-0.05-0.04-0.03 (mm).Aluminum foil finished products technology: 18 hours TRTs, 235 ℃ of insulations 15 hours cooled to 200 ℃ in 4 hours, were incubated 22 hours, came out of the stove after reducing to 100 ℃ in 10 hours.
Embodiment 3: adopting 8011 alloys and Al-Er master alloy is raw material, melting Al-0.7Fe-0.5Si-0.1Er alloy, and 760 ℃ of smelting temperatures are through stirring, C
6Cl
6The degasification refining pours into 200*100*30 (mm) alloy pig in 720 ℃.Ingot homogenization technology: 565 ℃ of temperature, be incubated 4 hours, drop to 490 ℃, be incubated 2 hours.Hot rolling technology: 490 ℃ of start rolling temperatures, finishing temperature 300-330 ℃, hot-rolled finished product thickness 3.0 (mm).Cold-rolling process: 3.0-1.2-0.6-0.30 (mm).Aluminum foil rolling technology: 0.30-0.1-0.05-0.04-0.03 (mm).Aluminum foil finished products technology: 18 hours TRTs, 235 ℃ of insulations 15 hours cooled to 200 ℃ in 4 hours, were incubated 22 hours, came out of the stove after reducing to 100 ℃ in 10 hours.
Embodiment 4: adopting 8011 alloys and Al-Er master alloy is raw material, melting Al-0.7Fe-0.5Si-0.15Er alloy, and 760 ℃ of smelting temperatures are through stirring, C
6Cl
6The degasification refining pours into 200*100*30 (mm) alloy pig in 720 ℃.Ingot homogenization technology: 565 ℃ of temperature, be incubated 4 hours, drop to 490 ℃, be incubated 2 hours.Hot rolling technology: 490 ℃ of start rolling temperatures, finishing temperature 300-330 ℃, hot-rolled finished product thickness 3.0 (mm).Cold-rolling process: 3.0-1.2-0.6-0.30 (mm).Aluminum foil rolling technology: 0.30-0.1-0.05-0.04-0.03 (mm).Aluminum foil finished products technology: 18 hours TRTs, 235 ℃ of insulations 15 hours cooled to 200 ℃ in 4 hours, were incubated 22 hours, came out of the stove after reducing to 100 ℃ in 10 hours.
Get Comparative Examples 1 and carry out the tensile test at room temperature test with embodiment 2,3,4 (0.03mm) and roll to tensile strength, ys, unit elongation etc., the result is as shown in table 1.Carry out resistivity measurement again, the result is as shown in table 2, and embodiment 1 to embodiment 4 resistivity is relatively seen Fig. 1.
Comparative Examples 5: adopting 8011 alloys and Al-Er master alloy is raw material, melting Al-0.7Fe-0.5Si alloy, and 760 ℃ of smelting temperatures are through stirring, C
6Cl
6The degasification refining pours into 200*100*30 (mm) alloy pig in 720 ℃.Ingot homogenization technology: 565 ℃ of metal temperatures, be incubated 4 hours, metal temperature drops to 490 ℃ of insulations 2 hours.Hot rolling technology: hot finishing temperature 300-330 ℃, hot-rolled finished product thickness 3.0 (mm).Cold-rolling process: 3.0-1.2-0.55-0.30-cut edge (mm).Aluminium foil calendering technology: 0.30-0.125-0.052-0.024-closes volume-2*0.024-2*0.012-bundling-finished products (mm).Aluminum foil finished products technology: 18 hours TRTs, 235 ℃ of insulations 15 hours cooled to 200 ℃ in 4 hours, were incubated 22 hours, came out of the stove after reducing to 100 ℃ in 10 hours.
Embodiment 6: adopting 8011 alloys and Al-Er master alloy is raw material, melting Al-0.7Fe-0.5Si-0.01Er alloy, and 760 ℃ of smelting temperatures are through stirring, C
6Cl
6The degasification refining pours into 200*100*30 (mm) alloy pig in 720 ℃.Ingot homogenization technology: 565 ℃ of metal temperatures, be incubated 4 hours, metal temperature drops to 490 ℃ of insulations 2 hours.Hot rolling technology: hot finishing temperature 300-330 ℃, hot-rolled finished product thickness 3.0 (mm).Cold-rolling process: 3.0-1.2-0.55-0.30-cut edge (mm).Aluminium foil calendering technology: 0.30-0.125-0.052-0.024-closes volume-2*0.024-2*0.012-bundling-finished products (mm).Aluminum foil finished products technology: 18 hours TRTs, 235 ℃ of insulations 15 hours cooled to 200 ℃ in 4 hours, were incubated 22 hours, came out of the stove after reducing to 100 ℃ in 10 hours.
Get Comparative Examples 5, embodiment 6 (0.012mm) carry out tensile test at room temperature test respectively roll to horizontal tensile strength, unit elongation etc., the result is as shown in table 3.Comparative Examples 5, embodiment 6 cold rolling attitudes are rolled to seeing Fig. 2 with cross directional stretch performance comparison diagram, the rolling to relatively seeing Fig. 3 with the cross directional stretch performance of Comparative Examples 5, embodiment 6 annealed state.
Table 1: Comparative Examples 1 compares with embodiment 2, embodiment 3, embodiment 4 (0.03mm) stretch test result among the present invention
Table 2: Comparative Examples 1 of the present invention compares with embodiment 2, embodiment 3, embodiment 4 (0.03mm) resistivity measurement result
Table 3: Comparative Examples of the present invention 5, embodiment 6 (0.012mm) tension test (anisotropy) result are relatively
Claims (1)
1. an Al-Fe-Si aluminum foil material that adds Er is characterized in that, the each component and the weight percent thereof that add the Al-Fe-Si aluminum foil material of Er are: Si 0.5～0.6%; Fe 0.7～0.85%; Er 0.01～0.15%; Surplus is Al and other unavoidable impurities.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109266912A (en) * | 2018-11-22 | 2019-01-25 | 贵阳市白云区科创生产力促进中心 | A method of the casting-rolling aluminum alloy and its manufacture double-zero aluminum foil of addition rare earth element |
| JP2020033598A (en) * | 2018-08-30 | 2020-03-05 | 昭和電工株式会社 | Al-Fe-Er-based aluminum alloy |
| CN111224108A (en) * | 2020-01-19 | 2020-06-02 | 上海华峰铝业股份有限公司 | Positive current collector of low-resistivity lithium ion battery |
| CN112391561A (en) * | 2020-11-16 | 2021-02-23 | 上海理工大学 | High-strength high-conductivity aluminum-based conductor and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1352316A (en) * | 2001-11-07 | 2002-06-05 | 北京工业大学 | Aluminium-erbium alloy |
-
2012
- 2012-01-15 CN CN201210011253XA patent/CN102534313A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1352316A (en) * | 2001-11-07 | 2002-06-05 | 北京工业大学 | Aluminium-erbium alloy |
Non-Patent Citations (1)
| Title |
|---|
| 万宝伟等: "PTP药箔基材生产工艺研究", 《有色金属加工》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020033598A (en) * | 2018-08-30 | 2020-03-05 | 昭和電工株式会社 | Al-Fe-Er-based aluminum alloy |
| JP7190286B2 (en) | 2018-08-30 | 2022-12-15 | 昭和電工株式会社 | Al-Fe-Er series aluminum alloy |
| CN109266912A (en) * | 2018-11-22 | 2019-01-25 | 贵阳市白云区科创生产力促进中心 | A method of the casting-rolling aluminum alloy and its manufacture double-zero aluminum foil of addition rare earth element |
| CN111224108A (en) * | 2020-01-19 | 2020-06-02 | 上海华峰铝业股份有限公司 | Positive current collector of low-resistivity lithium ion battery |
| CN112391561A (en) * | 2020-11-16 | 2021-02-23 | 上海理工大学 | High-strength high-conductivity aluminum-based conductor and preparation method thereof |
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Application publication date: 20120704 |
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