CN102505081B - Manufacturing method for high magnesium aluminum alloy sheets - Google Patents
Manufacturing method for high magnesium aluminum alloy sheets Download PDFInfo
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- CN102505081B CN102505081B CN 201110451927 CN201110451927A CN102505081B CN 102505081 B CN102505081 B CN 102505081B CN 201110451927 CN201110451927 CN 201110451927 CN 201110451927 A CN201110451927 A CN 201110451927A CN 102505081 B CN102505081 B CN 102505081B
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Abstract
The invention provides a manufacturing method for high magnesium aluminum alloy sheets, comprising step of mixing; making mixed metal materials into alloy ingots with a certain section size; sequentially carrying out soak firing, edge planing, saw cutting and face milling treatments of the alloy ingots; heating and thermally rolling the alloy ingots to obtain sheet blank; cold rolling the sheet blank; carrying out intermediate annealing treatment of the cold rolled sheet blank; cold rolling the sheet blank which is subjected to the intermediate annealing treatment, and thinning the sheet blank again; carrying out intermediate annealing treatment of the cold rolled sheet blank; drawing and straightening the sheet blank which is subjected to the intermediate annealing treatment; cold rolling the drawn and straightened sheet blank again to obtain thinner sheet blank; carrying out thermal treatment of the thinner sheet blank; and drawing, straightening and shearing the thermally treated thinner sheet blank to obtain high magnesium aluminum alloy sheets of thickness in a range of 0.5-0.6mm. The manufacturing method of the invention meets the requirements on high magnesium aluminum alloy sheets.
Description
Technical field
The present invention relates to the manufacturing technology field of sheet alloy, relate in particular to a kind of production method of high-magnesium aluminum alloy sheet material.
Background technology
Along with the develop rapidly of science and technology, bigger variation has taken place in the formation of the manufactured materials in modern industry field, and the ratio of high density material descends, and low density material has increase by a relatively large margin.Since the nineties, automotive material is obvious day by day to the trend that lightweight, environment-friendly type direction develop, and wherein aluminium alloy is to use day by day one of material widely.
Alloy aluminium sheet series commonly used, principal element is magnesium, magnesium content can be called aluminum magnesium alloy again between 3-5%.Magnesium is the lightest structural metal, because the density of magnesium is little, its alloy also is celebrated with light weight.Magnalium is that high-temperature fusion in shielding gas forms with magnesium ingot and aluminium ingot, and its principal feature is that density is low, tensile strength height, unit elongation height.Under area identical aluminum magnesium alloy weigh less than other series, in conventional industry, use also comparatively extensive.Along with the develop rapidly of science and technology and industrial economy in recent years, increasing to the demand of high performance magnalium sheet material.High-magnesium aluminum alloy is widely used in fields such as communications and transportation, shipbuilding, space flight and aviation.
But, because existing high-magnesium aluminum alloy sheet metal thickness is thicker, can not be applied in the process industry field of special light sheet demand, often use other alloy products to replace, limited the Application Areas of high-magnesium aluminum alloy sheet material.
In sum, how providing a kind of production method of high-magnesium aluminum alloy sheet material, to solve the demand of high-magnesium aluminum alloy than light sheet, is the technical problem that present those skilled in the art need to be resolved hurrily.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of production method of high-magnesium aluminum alloy sheet material, to solve the demand of high-magnesium aluminum alloy than light sheet.
In order to achieve the above object, the invention provides following technical scheme:
A kind of production method of high-magnesium aluminum alloy sheet material may further comprise the steps:
1) Zn(zinc Mg(magnesium Ti(titanium Cr(chromium Mn(manganese Cu(copper Fe(iron batch mixing: with metallic substance Si(silicon)))))))) and Al(aluminium) mix according to certain parts by weight, mixing material is made by 0.20 part Si, 0.30 part Fe, 0.2 part Cu, 0.10 part Mn, 0.22 part Cr, 0.06 part Ti, 7 parts Mg, 0.20 part Zn and the Al of surplus, adds up to 100 parts;
2) with the time that melting is set under the condition of certain temperature of the metallic substance behind the batch mixing, under certain temperature and casting speed, melted metal is cast then, and metal is made the alloy cast ingot of certain cross dimensions;
3) described alloy cast ingot is carried out equal fire successively, digs limit, sawing and mills the face processing;
4) alloy cast ingot after the above-mentioned processing is heated, hot rolling, obtain thicker sheet material woolen cloth;
5) described sheet material woolen cloth is carried out cold rolling, make its attenuation;
6) the sheet material woolen cloth after cold rolling being carried out process annealing handles;
7) the sheet material woolen cloth after the middle anneal is carried out cold rolling, its thickness of attenuate again;
8) the sheet material woolen cloth after cold rolling being carried out process annealing again handles;
9) the sheet material woolen cloth that carries out the process annealing processing is again carried out straightening;
10) the sheet material woolen cloth after the straightening is carried out again cold rolling, obtain required thinner sheet material woolen cloth;
11) above-mentioned thinner sheet material woolen cloth is heat-treated;
12) the thinner sheet material woolen cloth after the thermal treatment is aligned, sheared, obtain thickness and be the high-magnesium aluminum alloy sheet material between the 0.5-0.6mm.
Preferably, in the production method of above-mentioned high-magnesium aluminum alloy sheet material, step 2) is specially: with the melting 5-12h under 700-750 ℃ condition of the metallic substance behind the batch mixing, be that 690-710 ℃, casting speed are under the condition of 55-65mm/min melted metal to be cast in temperature then, and metal made the alloy cast ingot of certain cross dimensions.
In the production method of high-magnesium aluminum alloy sheet material provided by the invention, may further comprise the steps:
1) Zn(zinc Mg(magnesium Ti(titanium Cr(chromium Mn(manganese Cu(copper Fe(iron batch mixing: with metallic substance Si(silicon)))))))) and Al(aluminium) mix according to certain parts by weight;
2) with the time that melting is set under the condition of certain temperature of the metallic substance behind the batch mixing, under certain temperature and casting speed, melted metal is cast then, and metal is made the alloy cast ingot of certain cross dimensions;
3) described alloy cast ingot is carried out equal fire successively, digs limit, sawing and mills the face processing; Oxide skin and the segregation thereof on described alloy cast ingot surface have been eliminated;
4) alloy cast ingot after the above-mentioned processing is heated, hot rolling, obtain thicker sheet material woolen cloth; The cold rolling woolen cloth that provides is provided;
5) described sheet material woolen cloth is carried out cold rolling, make its attenuation;
6) the sheet material woolen cloth after cold rolling being carried out process annealing handles; Eliminate work hardening, recover Plastic Deformation;
7) the sheet material woolen cloth after the middle anneal is carried out cold rolling, its thickness of attenuate again;
8) the sheet material woolen cloth after cold rolling being carried out process annealing again handles; Eliminate work hardening, recover Plastic Deformation;
9) the sheet material woolen cloth that carries out the process annealing processing is again carried out straightening; Smooth template is cut edge, and removes raw edges;
10) the sheet material woolen cloth after the straightening is carried out again cold rolling, obtain required thinner sheet material woolen cloth;
11) above-mentioned thinner sheet material woolen cloth is heat-treated; Make its performance reach requirement;
Thermal treatment is that metallic substance is placed on certain medium internal heating, insulation, cooling, by changing material surface or inner metallurgical structure, controls a kind of metal fever complete processing of its performance.
12) the thinner sheet material woolen cloth after the thermal treatment is aligned, sheared, obtain thickness and be the high-magnesium aluminum alloy sheet material between the 0.5-0.6mm.
In sum, the production method of high-magnesium aluminum alloy sheet material provided by the invention has solved the demand of high-magnesium aluminum alloy than light sheet.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the production method of the high-magnesium aluminum alloy sheet material that provides of the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of production method of high-magnesium aluminum alloy sheet material, has solved the demand of high-magnesium aluminum alloy than light sheet.
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Please refer to accompanying drawing 1, Fig. 1 is the schematic flow sheet of the production method of the high-magnesium aluminum alloy sheet material that provides of the embodiment of the invention.
In the production method of the high-magnesium aluminum alloy sheet material that the embodiment of the invention provides, may further comprise the steps:
1) Zn(zinc Mg(magnesium Ti(titanium Cr(chromium Mn(manganese Cu(copper Fe(iron batch mixing: with metallic substance Si(silicon)))))))) and Al(aluminium) mix according to certain parts by weight;
2) with the time that melting is set under the condition of certain temperature of the metallic substance behind the batch mixing, under certain temperature and casting speed, melted metal is cast then, and metal is made the alloy cast ingot of certain cross dimensions;
3) described alloy cast ingot is carried out equal fire successively, digs limit, sawing and mills the face processing; Oxide skin and the segregation thereof on described alloy cast ingot surface have been eliminated;
4) alloy cast ingot after the above-mentioned processing is heated, hot rolling, obtain thicker sheet material woolen cloth; The cold rolling woolen cloth that provides is provided;
5) described sheet material woolen cloth is carried out cold rolling, make its attenuation;
6) the sheet material woolen cloth after cold rolling being carried out process annealing handles; Eliminate work hardening, recover Plastic Deformation;
7) the sheet material woolen cloth after the middle anneal is carried out cold rolling, its thickness of attenuate again;
8) the sheet material woolen cloth after cold rolling being carried out process annealing again handles; Eliminate work hardening, recover Plastic Deformation;
9) the sheet material woolen cloth that carries out the process annealing processing is again carried out straightening; Smooth template is cut edge, and removes raw edges;
10) the sheet material woolen cloth after the straightening is carried out again cold rolling, obtain required thinner sheet material woolen cloth;
11) above-mentioned thinner sheet material woolen cloth is heat-treated; Make its performance reach requirement;
Thermal treatment is that metallic substance is placed on certain medium internal heating, insulation, cooling, by changing material surface or inner metallurgical structure, controls a kind of metal fever complete processing of its performance.
12) the thinner sheet material woolen cloth after the thermal treatment is aligned, sheared, obtain thickness and be the high-magnesium aluminum alloy sheet material between the 0.5-0.6mm.
In sum, the production method of high-magnesium aluminum alloy sheet material provided by the invention has solved the demand of high-magnesium aluminum alloy than light sheet.
Concrete, in the step 1) in the production method of above-mentioned high-magnesium aluminum alloy sheet material, mixing material is made by 0.20 part Si, 0.30 part Fe, 0.2 part Cu, 0.10 part Mn, 0.22 part Cr, 0.06 part Ti, 7 parts Mg, 0.20 part Zn and the Al of surplus, adds up to 100 parts; Certain every kind of material is not limited to above-mentioned shared umber, and the high-magnesium aluminum alloy sheet material of Sheng Chaning is selected the umber of every kind of material according to actual needs.
Preferably, in the production method of above-mentioned high-magnesium aluminum alloy sheet material, step 2) is specially: with the melting 5-12h under 700-750 ℃ condition of the metallic substance behind the batch mixing, be that 690-710 ℃, casting speed are under the condition of 55-65mm/min melted metal to be cast in temperature then, and metal made the alloy cast ingot of certain cross dimensions.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
1. the production method of a high-magnesium aluminum alloy sheet material is characterized in that, may further comprise the steps:
1) Zn(zinc Mg(magnesium Ti(titanium Cr(chromium Mn(manganese Cu(copper Fe(iron batch mixing: with metallic substance Si(silicon)))))))) and Al(aluminium) mix according to certain parts by weight, mixing material is made by 0.20 part Si, 0.30 part Fe, 0.2 part Cu, 0.10 part Mn, 0.22 part Cr, 0.06 part Ti, 7 parts Mg, 0.20 part Zn and the Al of surplus, adds up to 100 parts;
2) with the time that melting is set under the condition of certain temperature of the metallic substance behind the batch mixing, under certain temperature and casting speed, melted metal is cast then, and metal is made the alloy cast ingot of certain cross dimensions;
3) described alloy cast ingot is carried out equal fire successively, digs limit, sawing and mills the face processing;
4) alloy cast ingot after the above-mentioned processing is heated, hot rolling, obtain thicker sheet material woolen cloth;
5) described sheet material woolen cloth is carried out cold rolling, make its attenuation;
6) the sheet material woolen cloth after cold rolling being carried out process annealing handles;
7) the sheet material woolen cloth after the middle anneal is carried out cold rolling, its thickness of attenuate again;
8) the sheet material woolen cloth after cold rolling being carried out process annealing again handles;
9) the sheet material woolen cloth that carries out the process annealing processing is again carried out straightening;
10) the sheet material woolen cloth after the straightening is carried out again cold rolling, obtain required thinner sheet material woolen cloth;
11) above-mentioned thinner sheet material woolen cloth is heat-treated;
12) the thinner sheet material woolen cloth after the thermal treatment is aligned, sheared, obtain thickness and be the high-magnesium aluminum alloy sheet material between the 0.5-0.6mm.
2. the production method of high-magnesium aluminum alloy sheet material according to claim 1, it is characterized in that, step 2) is specially: with the melting 5-12h under 700-750 ℃ condition of the metallic substance behind the batch mixing, be that 690-710 ℃, casting speed are under the condition of 55-65mm/min melted metal to be cast in temperature then, and metal made the alloy cast ingot of certain cross dimensions.
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| CN 201110451927 CN102505081B (en) | 2011-12-29 | 2011-12-29 | Manufacturing method for high magnesium aluminum alloy sheets |
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| CN 201110451927 CN102505081B (en) | 2011-12-29 | 2011-12-29 | Manufacturing method for high magnesium aluminum alloy sheets |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108251666A (en) * | 2018-02-01 | 2018-07-06 | 广西南南铝加工有限公司 | A kind of preparation process of super high Mg-Al alloy plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104467642A (en) * | 2014-12-23 | 2015-03-25 | 常熟高嘉能源科技有限公司 | Corrosion-resistant solar assembly frame |
| CN112427621A (en) * | 2020-11-23 | 2021-03-02 | 宁波建新华谊铝业有限公司 | Full-automatic casting production line |
| CN112828034A (en) * | 2020-12-30 | 2021-05-25 | 西南铝业（集团）有限责任公司 | Production method of aluminum-magnesium-silicon alloy strip |
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| US20060042727A1 (en) * | 2004-08-27 | 2006-03-02 | Zhong Li | Aluminum automotive structural members |
| JP4224463B2 (en) * | 2005-01-19 | 2009-02-12 | 株式会社神戸製鋼所 | Aluminum alloy sheet for forming |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108251666A (en) * | 2018-02-01 | 2018-07-06 | 广西南南铝加工有限公司 | A kind of preparation process of super high Mg-Al alloy plate |
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