CN101921938A - Aluminum alloy 5052 having high corrosion resistance and manufacturing method thereof - Google Patents
Aluminum alloy 5052 having high corrosion resistance and manufacturing method thereof Download PDFInfo
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Abstract
The invention provides an aluminum alloy 5052 having high corrosion resistance and a manufacturing method thereof, which belongs to the technical field of alloy materials and solves the problem of low corrosion resistance of the traditional aluminum alloy 5052 material. The aluminum alloy 5052 having high corrosion resistance comprises the following components in percentage by weight: no more than 0.20% of Si, no more than 0.20% of Cu, 2.4-2.6% of Mg, no more than 0.10% of Zn, no more than 0.10% of Mn, 0.18-0.30% of Cr, 0.01-0.40% of Fe, no more than 0.05% of single other element, no more than 0.15% of total other elements, 0.01-0.8% of rare earth elements and the balance of Al. The aluminum alloy 5052 having high corrosion resistance can improve the corrosion resistance and simultaneously maintain the stabilization of mechanical properties.
Description
Technical field
The present invention relates to a kind of 5xxx line aluminium alloy and manufacture method thereof, relate in particular to a kind of 5052 aluminium alloys and manufacture method thereof, belong to technical field of alloy material with highly corrosive.
Background technology
5xxx line aluminium alloy material belongs to the aluminium-magnesium alloy in the wrought aluminium alloy, is the alloy that thermal treatment can not be strengthened, and has good shaping processability energy, erosion resistance, weldability, medium tenacity.Be widely used in the sheet metal component of making fuel tanker, oil pipe and vehicular traffic, boats and ships, instrument, street lamp support and rivet, hardware, electric appliance casing etc.
5052 aluminium alloys belong to a kind of in the 5xxx line aluminium alloy, Mg content is 2.2%-2.8%, it has that light weight, intensity are medium, solidity to corrosion and weldability well and characteristics such as easily shape, tensile strength sigma b can reach 215-265Mpa in its mechanical property, elongation δ 5 〉=5%.5052 aluminum alloy materials require it to have anti-marine atmosphere, the high corrosion resistance of anti-seawater corrosion in the application of shipbuilding industry.Though and existing 5052 aluminum alloy materials also have certain resistance to corrosion, can not satisfy the application demand of shipbuilding industry fully.
Summary of the invention
The objective of the invention is provides a kind of 5052 aluminum alloy materials with highly corrosive at the existing defective of existing 5052 aluminium alloys.
Purpose of the present invention can realize by following technical proposal: a kind of 5052 aluminium alloys with highly corrosive, and the composition of this aluminium alloy and mass percent thereof are:
Silicon Si≤0.20%; Copper Cu≤0.20%; Magnesium Mg:2.4%～2.6%;
Zinc Zn≤0.10%; Manganese Mn≤0.10%; Chromium Cr:0.18%～0.30%;
Iron Fe:0.01%-0.40%; Other element: single≤0.05% adds up to≤0.15%;
Rare earth element: 0.01%-0.8%; Al is a surplus.
The present invention is a research object with 5052 aluminium alloys, on the matrix alloy basis, added the 0.01-0.8wt% rare earth element, in aluminium alloy, add trace rare-earth element, can significantly improve the metallographic structure of 5182 aluminium alloys, crystal grain thinning is removed gas and detrimental impurity in the aluminium alloy, reduces the formation of crack of aluminium alloy, not only can improve the intensity of 5052 aluminium alloys, also improve the thermotolerance and the toughness of aluminium alloy.And grain refining can make the easier formation passive film of aluminum alloy surface, improved the inactivating performance of material, makes aluminium alloy have higher corrosion resistance nature.
The present invention has also effectively controlled the content of detrimental impurity Si and Fe, has improved corrosion resistance of aluminium alloys.And Mn partly dissolves in matrix, can improve recrystallization temperature, improves corrosion resistance and reduces welding crack, and in order to stop grain coarsening, therefore the content with Mn is controlled within 0.1%.The adding of Cr has strengthening effect to alloy substrate, but content can influence plasticity too much, therefore its content is controlled between the 0.18-0.30%.Cu can be suitable the raising corrosion resistance of alloy, therefore Cu content is controlled within 0.20%.
In above-mentioned 5052 aluminium alloys with highly corrosive, as preferably, the composition of this aluminium alloy and mass percent thereof are: silicon Si≤0.12%; Copper Cu≤0.10%; Magnesium Mg:2.4%～2.6%; Zinc Zn≤0.10%; Manganese Mn≤0.10%; Chromium Cr:0.20%～0.25%; Iron Fe:0.01%-0.2%; Other element: single≤0.05% adds up to≤0.15%; Rare earth element: 0.02%-0.5%; Al is a surplus.
In above-mentioned 5052 aluminium alloys with highly corrosive, as preferably, described rare earth element is one or more among Rare-Earth Ce, rare earth Er, the rare earth Sc.Wherein the adding of Rare-Earth Ce makes the grain refining of 5052 aluminium alloys, and grain boundary area increases, and toughness strengthens, and strengthen the fatigue lifetime of aluminium alloy greatly; Rare earth Sc be up to the present to be found to aluminium alloy the most effectively the alloy element trace join intensity, plasticity and welding property, high-temperature behavior, etch resistant properties even the anti-neutron irradiation damage performance that can significantly improve alloy in the aluminium alloy.After in 5052 aluminium alloys, adding micro-Sc, the Al that in aluminium alloy, forms
3The Sc phase with parent phase Al coherence, hinders grain growth, makes alloy remain thin crystalline attitude.Rare earth Er has the effect of similar Sc in aluminium alloy, but refinement as cast condition crystal grain improves alloy property.After Er mixed 5052 aluminium alloys, surface film oxide was fine and close more, continuity increases, defective reduces, pin hole diminishes and be evenly distributed, thereby the bonding force of oxide film and matrix is improved, and had improved the anti-oxidant and resistance to corrosion of alloy.
Another object of the present invention is to provide the manufacture method of 5052 aluminium alloys with highly corrosive, and this method may further comprise the steps:
A, batching: prepare burden according to the composition of above-mentioned mass percent and to make aluminium alloy coiled material or sheet material;
B, rolling: with the above-mentioned aluminium alloy coiled material that makes or sheet material by hot rolling or/and the cold rolling thickness that is formed into is 1.0-3.0mm;
C, anneal: be to carry out anneal under 100-180 ℃ the condition in temperature with the rolling molded aluminum alloy coiled material or sheet material, soaking time is 2-15 hour.
Aluminium alloy coiled material of the present invention or sheet material can be made by common hot rolling or casting, and concrete technology is as follows: earlier aluminium ingot is added in the crucible electrical resistance furnace, when treating the aluminium ingot fusing, add master alloy and stirring; Add Mg and Zn then, slag hitting, refining; Stirring is also left standstill casting in pig mold; With the aluminium alloy cast ingot hot rolling of above-mentioned casting, cold rolling aluminium alloy coiled material or the sheet material of rolling into.
As preferably, the temperature of anneal is 120-160 ℃ among the step C, and soaking time is 5-10 hour.
In sum, the present invention has the following advantages:
1, the present invention has controlled the content of Fe, Cu and Si on the basis of 5052 aluminium alloys, and has added rare earth element in aluminium alloy, and crystal grain thinning has improved the corrosion resistance nature of aluminium alloy.
2, aluminium alloy of the present invention is when erosion resistance improves, still can guarantee other mechanical property of aluminium alloy, tensile strength can reach 250-280Mpa, elongation 〉=4%, yield strength can reach 180-200Mpa, this aluminium alloy can have anti-marine atmosphere in the application of shipbuilding industry, the high corrosion resistance of anti-seawater corrosion.
3, manufacture method of the present invention adopts 100 ℃～180 ℃ temperature to heat-treat in finished product stage in the end, and heat treatment time improved the corrosion resistance nature of 5052 alloys at 2-15 hour, and kept its stable mechanical property.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in further detail; But the present invention is not limited to these embodiment.
The present invention has high corrosion resistance for making 5052 alloy products, and on the basis of GB/T3190-2008 Chemical Composition, the proportioning components of strict each alloying element of control is as shown in table 1.5052 alloys are by the requirement of GB/T3190-2008, and component content is: Si≤0.25%, Fe≤0.4%, Cu≤0.10%, Mn≤0.10%, Mg:2.2-2.8%, Cr:0.15-0.35%, Zn≤0.10%, other is single 0.05%, adds up to≤0.15%, and AL is a surplus.
Table 1: the mass percent (wt%) of embodiment 1-3 al alloy component
Annotate: other element in above-mentioned al alloy component: other element: single≤0.05% adds up to≤0.15%.
Embodiment 1
Prepare burden according to 1 mass percent of embodiment in the table 1, make aluminium ingot, master alloy AlCu50, AlMn10, AlCr4 and Al-rare earth etc.
Earlier aluminium ingot is added in the crucible electrical resistance furnace, when treating the aluminium ingot fusing, add master alloy and stirring; Add Mg and Zn then, slag hitting, refining; Stirring is also left standstill casting in pig mold; With the aluminium alloy cast ingot hot rolling of above-mentioned casting, the cold rolling aluminium alloy coiled material that rolls into, be 3.0mm by the cold rolling thickness that is formed into the aluminium alloy coiled material.Is anneal under 150 ℃ of conditions with cold rolling molded aluminum alloy coiled material in temperature, and soaking time is 8 hours.
Embodiment 2
Prepare burden according to 2 mass percents of embodiment in the table 1, make aluminium ingot, master alloy AlCu50, AlMn10, AlCr4 and Al-rare earth etc.
Earlier aluminium ingot is added in the crucible electrical resistance furnace, when treating the aluminium ingot fusing, add master alloy and stirring; Add Mg and Zn then, slag hitting, refining; Stirring is also left standstill casting in pig mold; With the aluminium alloy cast ingot hot rolling of above-mentioned casting, the cold rolling aluminum alloy plate materials that rolls into, be 2.0mm with aluminum alloy plate materials by the cold rolling thickness that is formed into, be anneal under 160 ℃ of conditions with cold rolling molded aluminum alloy sheet material in temperature, soaking time is 5 hours.
Embodiment 3
Prepare burden according to 3 mass percents of embodiment in the table 1, make aluminium ingot, master alloy AlCu50, AlMn10, AlCr4 and Al-rare earth etc.
Earlier aluminium ingot is added in the crucible electrical resistance furnace, when treating the aluminium ingot fusing, add master alloy and stirring; Add Mg and Zn then, slag hitting, refining; Stirring is also left standstill casting in pig mold; With the aluminium alloy cast ingot hot rolling of above-mentioned casting, the cold rolling aluminium alloy coiled material that rolls into, be 1.0mm with the aluminium alloy coiled material by the cold rolling thickness that is formed into, be anneal under 120 ℃ of conditions with cold rolling molded aluminum alloy coiled material in temperature, soaking time is 10 hours.
Randomly draw 5052 aluminium alloys and the existing 5052 common aluminium alloys that embodiment 1-3 makes and carry out the corrosive nature experiment, the employing corrosive medium is 3.5%NaCl+0.05MgCl
2The aqueous solution of (atomic percent) comes simulated seawater.Through the experiment of 40 days simulated seawaters, the result shows that 5052 corrosion of aluminium alloy speed that the present invention makes are less than existing 5052 common aluminium alloys.
Specific embodiment described in the present invention only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although the present invention has been made detailed explanation and has quoted some specific embodiments as proof, to those skilled in the art, only otherwise leave that the spirit and scope of the present invention can be done various variations or correction is obvious.
Claims (5)
1. 5052 aluminium alloys with highly corrosive, the composition of this aluminium alloy and mass percent thereof are:
Silicon Si≤0.20%; Copper Cu≤0.20%; Magnesium Mg:2.4%～2.6%;
Zinc Zn≤0.10%; Manganese Mn≤0.10%; Chromium Cr:0.18%～0.30%;
Iron Fe:0.01%-0.40%; Other element: single≤0.05% adds up to≤0.15%;
Rare earth element: 0.01%-0.8%; Al is a surplus.
2. 5052 aluminium alloys with highly corrosive according to claim 1, it is characterized in that: the composition of this aluminium alloy and mass percent thereof are:
Silicon Si≤0.12%; Copper Cu≤0.10%; Magnesium Mg:2.4%～2.6%;
Zinc Zn≤0.10%; Manganese Mn≤0.10%; Chromium Cr:0.20%～0.25%;
Iron Fe:0.01%-0.2%; Other element: single≤0.05% adds up to≤0.15%;
Rare earth element: 0.02%-0.5%; Al is a surplus.
3. 5052 aluminium alloys with highly corrosive according to claim 1 and 2 is characterized in that: described rare earth element is one or more among Rare-Earth Ce, rare earth Er, the rare earth Sc.
4. manufacture method with 5052 aluminium alloys of highly corrosive, this method may further comprise the steps:
A, batching: prepare burden according to the composition of claim 1 or the described mass percent of claim 2 and to make aluminium alloy coiled material or sheet material;
B, rolling: with the above-mentioned aluminium alloy coiled material that makes or sheet material by hot rolling or/and the cold rolling thickness that is formed into is 1.0-3.0mm;
C, anneal: be to carry out anneal under 100-180 ℃ the condition in temperature with the rolling molded aluminum alloy coiled material or sheet material, soaking time is 2-15 hour.
5. the manufacture method with 5052 aluminium alloys of highly corrosive according to claim 4 is characterized in that: the temperature of anneal is 120-160 ℃ among the step C, and soaking time is 5-10 hour.
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102952971A (en) * | 2012-11-16 | 2013-03-06 | 重庆奥博铝材制造有限公司 | Antirust aluminum alloy |
| CN103014446A (en) * | 2012-12-27 | 2013-04-03 | 亚洲铝业（中国）有限公司 | Production method of 5052-H22/32 aluminum alloy plate strip |
| CN103014447A (en) * | 2012-12-01 | 2013-04-03 | 滁州佳诚模具制造有限公司 | Processing method of improved 5052 aluminum alloy refrigerator foaming die cast |
| CN103060636A (en) * | 2013-01-17 | 2013-04-24 | 河南师范大学 | Corrosion-resistant conductive aluminum alloy and preparation method thereof |
| CN103286471A (en) * | 2013-05-21 | 2013-09-11 | 东北大学 | Novel high-scandium aluminum alloy welding wire |
| CN103643093A (en) * | 2013-12-20 | 2014-03-19 | 西南铝业（集团）有限责任公司 | 5052 aluminum alloy with high bending forming performance |
| CN103740989A (en) * | 2013-12-26 | 2014-04-23 | 中铝西南铝冷连轧板带有限公司 | 5052 aluminum alloy base material for anodes, and method for producing 5052 aluminum alloy base material |
| CN104846241A (en) * | 2015-05-12 | 2015-08-19 | 福建省闽发铝业股份有限公司 | Corrosion resistant aluminum alloy |
| CN105537870A (en) * | 2015-12-21 | 2016-05-04 | 山东南山铝业股份有限公司 | Production method of 5052 aluminum alloy tank cover base material |
| CN106011509A (en) * | 2016-07-06 | 2016-10-12 | 西南大学 | Method for avoiding strengthening failure in adding of Er in 5052 aluminum alloy cold-rolled sheet |
| CN106435300A (en) * | 2016-11-10 | 2017-02-22 | 长沙淮石新材料科技有限公司 | Anti-corrosive reinforced rare earth aluminum alloy |
| CN107142401A (en) * | 2017-05-19 | 2017-09-08 | 江苏亨通电力特种导线有限公司 | The production method of rivet almag bar |
| CN107419145A (en) * | 2017-07-31 | 2017-12-01 | 北京科技大学 | One kind is used for Alcoa and preparation method thereof under high temperature coastal industry environment |
| CN107937769A (en) * | 2017-12-13 | 2018-04-20 | 无锡海特铝业有限公司 | A kind of aluminium alloy with high intensity seawater corrosion resistance and preparation method thereof |
| CN109082615A (en) * | 2018-09-18 | 2018-12-25 | 天津忠旺铝业有限公司 | A kind of stabilizing treatment technique of 5052 aluminium alloy |
| CN109487131A (en) * | 2018-11-16 | 2019-03-19 | 广西柳州银海铝业股份有限公司 | 5052 alloy door-plate aluminum alloy base material production methods |
| CN111378878A (en) * | 2018-12-29 | 2020-07-07 | 嘉丰工业科技（惠州）有限公司 | High-ductility non-heat-treatment die-casting aluminum alloy and preparation method thereof |
| CN113373353A (en) * | 2021-04-29 | 2021-09-10 | 百色市广百金属材料有限公司 | Erbium-containing aluminum-magnesium alloy wire and production method thereof |
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| CN102952971A (en) * | 2012-11-16 | 2013-03-06 | 重庆奥博铝材制造有限公司 | Antirust aluminum alloy |
| CN103014447A (en) * | 2012-12-01 | 2013-04-03 | 滁州佳诚模具制造有限公司 | Processing method of improved 5052 aluminum alloy refrigerator foaming die cast |
| CN103014447B (en) * | 2012-12-01 | 2014-10-01 | 滁州佳诚模具制造有限公司 | Processing method of improved 5052 aluminum alloy refrigerator foaming die cast |
| CN103014446A (en) * | 2012-12-27 | 2013-04-03 | 亚洲铝业（中国）有限公司 | Production method of 5052-H22/32 aluminum alloy plate strip |
| CN103060636A (en) * | 2013-01-17 | 2013-04-24 | 河南师范大学 | Corrosion-resistant conductive aluminum alloy and preparation method thereof |
| CN103060636B (en) * | 2013-01-17 | 2015-01-28 | 河南师范大学 | Corrosion-resistant conductive aluminum alloy and preparation method thereof |
| CN103286471A (en) * | 2013-05-21 | 2013-09-11 | 东北大学 | Novel high-scandium aluminum alloy welding wire |
| CN103286471B (en) * | 2013-05-21 | 2015-08-19 | 东北大学 | A kind of novel high-scandium aluminum alloy welding wire |
| CN103643093A (en) * | 2013-12-20 | 2014-03-19 | 西南铝业（集团）有限责任公司 | 5052 aluminum alloy with high bending forming performance |
| CN103740989A (en) * | 2013-12-26 | 2014-04-23 | 中铝西南铝冷连轧板带有限公司 | 5052 aluminum alloy base material for anodes, and method for producing 5052 aluminum alloy base material |
| CN103740989B (en) * | 2013-12-26 | 2016-03-23 | 中铝西南铝冷连轧板带有限公司 | Anode 5052 aluminum alloy base materials and production method thereof |
| CN104846241A (en) * | 2015-05-12 | 2015-08-19 | 福建省闽发铝业股份有限公司 | Corrosion resistant aluminum alloy |
| CN105537870A (en) * | 2015-12-21 | 2016-05-04 | 山东南山铝业股份有限公司 | Production method of 5052 aluminum alloy tank cover base material |
| CN106011509A (en) * | 2016-07-06 | 2016-10-12 | 西南大学 | Method for avoiding strengthening failure in adding of Er in 5052 aluminum alloy cold-rolled sheet |
| CN106435300A (en) * | 2016-11-10 | 2017-02-22 | 长沙淮石新材料科技有限公司 | Anti-corrosive reinforced rare earth aluminum alloy |
| CN106435300B (en) * | 2016-11-10 | 2018-07-31 | 长沙淮石新材料科技有限公司 | A kind of anti-corrosion rare earth aluminium alloy strengthened |
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| CN107419145B (en) * | 2017-07-31 | 2019-02-26 | 北京科技大学 | One kind is for Alcoa under high temperature coastal industry environment and preparation method thereof |
| CN107419145A (en) * | 2017-07-31 | 2017-12-01 | 北京科技大学 | One kind is used for Alcoa and preparation method thereof under high temperature coastal industry environment |
| CN107937769A (en) * | 2017-12-13 | 2018-04-20 | 无锡海特铝业有限公司 | A kind of aluminium alloy with high intensity seawater corrosion resistance and preparation method thereof |
| CN109082615A (en) * | 2018-09-18 | 2018-12-25 | 天津忠旺铝业有限公司 | A kind of stabilizing treatment technique of 5052 aluminium alloy |
| CN109487131A (en) * | 2018-11-16 | 2019-03-19 | 广西柳州银海铝业股份有限公司 | 5052 alloy door-plate aluminum alloy base material production methods |
| CN109487131B (en) * | 2018-11-16 | 2021-04-02 | 广西柳州银海铝业股份有限公司 | Production method of aluminum alloy base material for 5052 alloy door plate |
| CN111378878A (en) * | 2018-12-29 | 2020-07-07 | 嘉丰工业科技（惠州）有限公司 | High-ductility non-heat-treatment die-casting aluminum alloy and preparation method thereof |
| CN111378878B (en) * | 2018-12-29 | 2021-10-26 | 嘉丰工业科技（惠州）有限公司 | High-ductility non-heat-treatment die-casting aluminum alloy and preparation method thereof |
| CN113373353A (en) * | 2021-04-29 | 2021-09-10 | 百色市广百金属材料有限公司 | Erbium-containing aluminum-magnesium alloy wire and production method thereof |
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Application publication date: 20101222 |