CN105002403A - Manufacturing method of easy-to-process aluminium alloy plate for ships - Google Patents
Manufacturing method of easy-to-process aluminium alloy plate for ships Download PDFInfo
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- CN105002403A CN105002403A CN201510407069.0A CN201510407069A CN105002403A CN 105002403 A CN105002403 A CN 105002403A CN 201510407069 A CN201510407069 A CN 201510407069A CN 105002403 A CN105002403 A CN 105002403A
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Abstract
The invention discloses a manufacturing method of an easy-to-process aluminium alloy plate for ships. According to the mass percent, the aluminium alloy plate for ships comprises chemical components: 0.5-1% of Si, 1.5-2.5% of Mg, 1.4-2.1% of Mn, 5-7.5% of Fe, 0.5-0.6% of Zn, 0.05-0.08% of Cu, 0.3-0.6% of V, 0.3-0.4% of Ti and the balance of Al, and fusion, casting, extrusion and cooling processing steps are adopted in sequence. Through the mode, the manufactured aluminium alloy plate for ships has the advantages that the weight is light; the intensity is strong; the corrosion resistance is strong; the welding performance and the processability are excellent; the processing is very easy; and the processing cost is reduced.
Description
Technical field
The present invention relates to a kind of bunker board, particularly the manufacture method of a kind of easy floating factory ship aluminium alloy plate.
Background technology
Aluminium alloy is most widely used general ground one class non-ferrous metal structured material in industry, the performance low by means of autologous density, intensity is high, plasticity good and electroconductibility, thermal conductivity are superior and extensively using by every profession and trade, and in recent years, along with the development that domestic and international shipbuilding is advanced by leaps and bounds, alleviate hull mass, improve ship's speed, seek the aluminum alloy materials replacing iron and steel parts, become the vital task that aluminium processing industry and shipbuilding face, and the ship component materials of present stage all adopts stainless material, its processing is more difficult, and the cost consumed is larger.
Summary of the invention
The technical problem that the present invention mainly solves is to provide the manufacture method of a kind of easy floating factory ship aluminium alloy plate, can make that the marine aluminium alloy plate that obtains is lightweight, intensity is high, erosion resistance is strong, and have preferably welding property and processing characteristics, processing is very easy, reduces tooling cost.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the manufacture method providing a kind of easy floating factory ship aluminium alloy plate, and by mass percentage, described marine aluminium alloy plate comprises chemical composition:
Si:0.5-1%, Mg:1.5-2.5%, Mn:1.4-2.1%, Fe:5-7.5%, Zn:0.5-0.6%, Cu:0.05-0.08%, V:0.3-0.6%, Ti:0.3-0.4%, surplus is Al.
The manufacture method of described easy floating factory ship aluminium alloy plate comprises the steps:
(1), merge: above-mentioned batching is dropped into high-temperature smelting pot, is heated to 760-780 DEG C, after all fusings of preparing burden, carry out stir process;
(2), casting: the solution after above-mentioned stir process is carried out casting process, pouring temperature is 730-740 DEG C, will cast embryo subsequently and be warming up to 300-350 DEG C with 140-180 DEG C/h, obtains ingot casting after insulation 2-2.5h;
(3), extruding: by above-mentioned ingot casting preheating to 450-480 DEG C, the mould extrusion moulding of preheating put into by above-mentioned ingot casting by recycling extrusion machine;
(4), cool: the above-mentioned material squeezed out is incubated 5-6h by high wind is air-cooled after 180-200 DEG C, then puts into air and naturally cool to less than 50 DEG C, finally obtain easy floating factory ship aluminium alloy plate.
In a preferred embodiment of the present invention, the time of the stir process in described step (1) is 30-40min.
In a preferred embodiment of the present invention, the preheating temperature of the mould in described step (3) is 400-420 DEG C.
In a preferred embodiment of the present invention, the thickness of described marine aluminium alloy plate is 10-25cm.
The invention has the beneficial effects as follows: the present invention can make that the marine aluminium alloy plate that obtains is lightweight, intensity is high, erosion resistance is strong, and has preferably welding property and processing characteristics, and processing is very easy, reduces tooling cost.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Embodiment 1:
A manufacture method for easy floating factory ship aluminium alloy plate, by mass percentage, described marine aluminium alloy plate comprises chemical composition:
Si:0.5%, Mg:1.5%, Mn:1.4%, Fe:5%, Zn:0.5%, Cu:0.05%, V:0.3%, Ti:0.3%, surplus is Al.
The manufacture method of described easy floating factory ship aluminium alloy plate comprises the steps:
(1), merge: above-mentioned batching is dropped into high-temperature smelting pot, is heated to 760 DEG C, after all fusings of preparing burden, carry out stir process, the time of stir process is 30min;
(2), casting: the solution after above-mentioned stir process is carried out casting process, pouring temperature is 730 DEG C, will cast embryo subsequently and be warming up to 300 DEG C with 140 DEG C/h, obtains ingot casting after insulation 2.5h;
(3), extruding: by above-mentioned ingot casting preheating to 450 DEG C, the mould extrusion moulding of preheating put into by above-mentioned ingot casting by recycling extrusion machine, and the preheating temperature of mould is 400 DEG C;
(4), cool: the above-mentioned material squeezed out is incubated 6h by high wind is air-cooled after 180 DEG C, then puts into air and naturally cool to less than 50 DEG C, finally obtain easy floating factory ship aluminium alloy plate.
Embodiment 2:
A manufacture method for easy floating factory ship aluminium alloy plate, by mass percentage, described marine aluminium alloy plate comprises chemical composition:
Si:1%, Mg:2.5%, Mn:2.1%, Fe:7.5%, Zn:0.6%, Cu:0.08%, V:0.6%, Ti:0.4%, surplus is Al.
The manufacture method of described easy floating factory ship aluminium alloy plate comprises the steps:
(1), merge: above-mentioned batching is dropped into high-temperature smelting pot, is heated to 780 DEG C, after all fusings of preparing burden, carry out stir process, the time of stir process is 40min;
(2), casting: the solution after above-mentioned stir process is carried out casting process, pouring temperature is 740 DEG C, will cast embryo subsequently and be warming up to 350 DEG C with 180 DEG C/h, obtains ingot casting after insulation 2h;
(3), extruding: by above-mentioned ingot casting preheating to 480 DEG C, the mould extrusion moulding of preheating put into by above-mentioned ingot casting by recycling extrusion machine, and the preheating temperature of mould is 420 DEG C;
(4), cool: the above-mentioned material squeezed out is incubated 5h by high wind is air-cooled after 200 DEG C, then puts into air and naturally cool to less than 50 DEG C, finally obtain easy floating factory ship aluminium alloy plate.
Embodiment 3:
A manufacture method for easy floating factory ship aluminium alloy plate, by mass percentage, described marine aluminium alloy plate comprises chemical composition:
Si:0.8%, Mg:2%, Mn:1.8%, Fe:6%, Zn:0.55%, Cu:0.06%, V:0.4%, Ti:0.35%, surplus is Al.
The manufacture method of described easy floating factory ship aluminium alloy plate comprises the steps:
(1), merge: above-mentioned batching is dropped into high-temperature smelting pot, is heated to 770 DEG C, after all fusings of preparing burden, carry out stir process, churning time is 35min;
(2), casting: the solution after above-mentioned stir process is carried out casting process, pouring temperature is 735 DEG C, will cast embryo subsequently and be warming up to 320 DEG C with 160 DEG C/h, obtains ingot casting after insulation 2.3h;
(3), extruding: by above-mentioned ingot casting preheating to 460 DEG C, the mould extrusion moulding of preheating put into by above-mentioned ingot casting by recycling extrusion machine, and the preheating temperature of mould is 410 DEG C;
(4), cool: the above-mentioned material squeezed out is incubated 5.5h by high wind is air-cooled after 190 DEG C, then puts into air and naturally cool to less than 50 DEG C, finally obtain easy floating factory ship aluminium alloy plate.
Wherein, the thickness of described marine aluminium alloy plate is 10-25cm.
Be different from prior art, the present invention can make that the marine aluminium alloy plate that obtains is lightweight, intensity is high, erosion resistance is strong, and has preferably welding property and processing characteristics, and processing is very easy, reduces tooling cost.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. a manufacture method for easy floating factory ship aluminium alloy plate, is characterized in that, by mass percentage, described marine aluminium alloy plate comprises chemical composition:
Si:0.5-1%, Mg:1.5-2.5%, Mn:1.4-2.1%, Fe:5-7.5%, Zn:0.5-0.6%, Cu:0.05-0.08%, V:0.3-0.6%, Ti:0.3-0.4%, surplus is Al.
2. described in, the manufacture method of easy floating factory ship aluminium alloy plate comprises the steps:
(1), merge: above-mentioned batching is dropped into high-temperature smelting pot, is heated to 760-780 DEG C, after all fusings of preparing burden, carry out stir process;
(2), casting: the solution after above-mentioned stir process is carried out casting process, pouring temperature is 730-740 DEG C, will cast embryo subsequently and be warming up to 300-350 DEG C with 140-180 DEG C/h, obtains ingot casting after insulation 2-2.5h;
(3), extruding: by above-mentioned ingot casting preheating to 450-480 DEG C, the mould extrusion moulding of preheating put into by above-mentioned ingot casting by recycling extrusion machine;
(4), cool: the above-mentioned material squeezed out is incubated 5-6h by high wind is air-cooled after 180-200 DEG C, then puts into air and naturally cool to less than 50 DEG C, finally obtain easy floating factory ship aluminium alloy plate.
3. the manufacture method of easy floating factory ship according to claim 1 aluminium alloy plate, is characterized in that, the time of the stir process in described step (1) is 30-40min.
4. the manufacture method of easy floating factory ship according to claim 1 aluminium alloy plate, is characterized in that, the preheating temperature of the mould in described step (3) is 400-420 DEG C.
5. the manufacture method of easy floating factory ship according to claim 1 aluminium alloy plate, is characterized in that, the thickness of described marine aluminium alloy plate is 10-25cm.
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| CN201510407069.0A CN105002403B (en) | 2015-07-13 | 2015-07-13 | Manufacturing method of easy-to-process aluminium alloy plate for ships |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256178A (en) * | 2015-10-29 | 2016-01-20 | 无锡市嘉邦电力管道厂 | Corrosion resisting aluminum alloy and preparing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08143998A (en) * | 1994-11-28 | 1996-06-04 | Mitsubishi Alum Co Ltd | Heat exchanger fin material made of aluminum alloy, having high fatigue strength after brazing |
| CN1263566A (en) * | 1998-04-08 | 2000-08-16 | 本田技研工业株式会社 | Method of manufacturing aluminum alloy for flattening material and aluminum alloy flattening material for automobiles |
| CN104284991A (en) * | 2012-05-15 | 2015-01-14 | 肯联铝业机床杰钦有限公司 | Improved free-machining wrought aluminium alloy product and manufacturing process thereof |
-
2015
- 2015-07-13 CN CN201510407069.0A patent/CN105002403B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08143998A (en) * | 1994-11-28 | 1996-06-04 | Mitsubishi Alum Co Ltd | Heat exchanger fin material made of aluminum alloy, having high fatigue strength after brazing |
| CN1263566A (en) * | 1998-04-08 | 2000-08-16 | 本田技研工业株式会社 | Method of manufacturing aluminum alloy for flattening material and aluminum alloy flattening material for automobiles |
| CN104284991A (en) * | 2012-05-15 | 2015-01-14 | 肯联铝业机床杰钦有限公司 | Improved free-machining wrought aluminium alloy product and manufacturing process thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256178A (en) * | 2015-10-29 | 2016-01-20 | 无锡市嘉邦电力管道厂 | Corrosion resisting aluminum alloy and preparing method thereof |
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Effective date of registration: 20190321 Address after: 313100 Changxing Avenue, Taihu Street, Changxing County, Huzhou City, Zhejiang Province, 389 Patentee after: Zhejiang Wanjiu Hexing Machinery and Electricity Co., Ltd. Address before: 2151 Guansangyuan Road, Hushu, Suzhou High-tech Zone, Jiangsu Province (Dongchang District) Patentee before: SUZHOU JINYE MARINE MACHINERY PLANT |