CN103352142B - High-strength high-heat resistance aluminum alloy wire rod and preparation method - Google Patents
High-strength high-heat resistance aluminum alloy wire rod and preparation method Download PDFInfo
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Abstract
High-strength high-heat resistance aluminum alloy wire rod and preparation method thereof, is characterized in that the composition wherein containing following weight percent: manganese 1.2-1.4, zinc 0.25-0.35, silver-colored 0.035-0.05, nickel 0.01-0.015, silicon 0.022-0.032, iron 0.1-0.2, surplus are aluminium.After deliberation, intensity when manganese can improve intensity, hardness, the high temperature of aluminium alloy, but manganese can make aluminium alloy wires electric conductivity reduce, and the present invention adopts manganese, zinc to coordinate, and compensates its defect, and makes aluminium alloy wires can take into account intensity and electric conductivity.
Description
Technical field
The invention belongs to alloy wire manufacturing technology field, be specifically related to a kind of high strength, high heat-resisting aluminium conductor Materials And Manufacturing Processes on transmitting line.
Background technology
In the past, China was copper as the electric wire main component of transmission line.But because copper processing is high, cost is high, add present technical progress, the application percentage of aluminium alloy conductor is in continuous increase.Ordinary steel core aluminum conductor on present transmitting line, aluminium Baogang core wire, alumite wire and high strong aluminum conductor etc.But existing aluminium alloy wires exists, and electric conductivity is not high, intensity is not high, thermo-labile, large, the line of electric conductivity difference consumes high series of problems in varying environment.
Summary of the invention
The object of this invention is to provide a kind of High-strength high-heat resistance aluminum alloy wire rod and preparation method thereof, the aluminium alloy wires of production can meet high strength, high heat-resisting requirement.
Technical solution of the present invention is as follows:
High-strength high-heat resistance aluminum alloy wire rod, is characterized in that the composition wherein containing following weight percent: manganese 1.2-1.4, zinc 0.25-0.35, silver-colored 0.035-0.05, nickel 0.01-0.015, silicon 0.022-0.032, iron 0.1-0.2, surplus are aluminium.
The preparation method of High-strength high-heat resistance aluminum alloy wire rod, is characterized in that comprising the following steps:
(1), in the ratio of manganese, zinc mass ratio 12:2 manganese, zinc powder are dropped in stove and melted, after refining, MnZn alloy block is produced in cast; In the ratio of silver, nickel, silicon 3:1:2 in mass ratio, silver, nickel, Si powder are dropped in stove and melted, after refining, silver-colored nickel silicon alloy block is produced in cast;
(2), by composition of raw materials, aluminium block is added in stove at being warming up to 730-740 DEG C and melt, then, at being warming up to 780-790 DEG C again, after adding MnZn alloy block, fully after mixing, then add silver-colored nickel silicon alloy block and other alloying ingredient composition, after abundant mixing, pass into refining agent and carry out refining, skim; Again stokehold chemistry real-time analysis is carried out to aluminium liquid, according to the weight ratio adjustment aluminium fluid component of each component in formula after analysis, feed supplement is carried out to aluminium liquid;
(3), be incubated: step 1 gained aluminium liquid is incubated 15-20min at 720-730 DEG C;
(4), continuous casting and rolling becomes aluminium alloy rod, drawing wire machine is drawn into aluminium alloy single line, controls lubrication temperature not higher than 90 DEG C;
(5), aging strengthening model, put into 220-230 DEG C of heat treatment furnace, process 3-4 hour, then, put into the heat treatment furnace of 290-300 DEG C, process 2-3 hour, be cooled to 100-120 DEG C, atomized water spray is cooled to room temperature.
After deliberation, intensity when manganese can improve intensity, hardness, the high temperature of aluminium alloy, but manganese can make aluminium alloy wires electric conductivity reduce, and the present invention adopts manganese, zinc to coordinate, and compensates its defect, and makes aluminium alloy wires can take into account intensity and electric conductivity.
Rare earth elements of the present invention joins the effect can playing microalloying in aluminium alloy; In addition, gas and the much nonmetal stronger avidity that has such as it and hydrogen, can generate the compound that fusing point is high, therefore it has certain dehydrogenation, refining, cleaning action; Meanwhile, Rare-Earth Element Chemistry activity is extremely strong, and it optionally can adsorb on the crystal grain boundary of growing up, and hinder the growth of crystal grain, result causes grain refining, has rotten effect.
Aluminium alloy conductor of the present invention is compared with existing aluminium alloy conductor, there is high strength and high heat resistance simultaneously, tensile strength reaches more than 205Mpa, electric conductivity can reach more than 59.0%IACS, resistance toheat long-time running reaches the high-strength high-conductivity heat-resistant aluminum alloy wire of more than 190 DEG C, can effectively increase wire ability to transmit electricity.
Embodiment
High-strength high-heat resistance aluminum alloy wire rod, composition wherein containing following weight percent: the preparation method of manganese 1.2-1.4, zinc 0.25-0.35, silver-colored 0.035-0.05, nickel 0.01-0.015, silicon 0.022-0.032, iron 0.1-0.2, High-strength high-heat resistance aluminum alloy wire rod, is characterized in that comprising the following steps:
(1), in the ratio of manganese, zinc mass ratio 12:2 manganese, zinc powder are dropped in stove and melted, after refining, MnZn alloy block is produced in cast; In the ratio of silver, nickel, silicon 3:1:2 in mass ratio, silver, nickel, Si powder are dropped in stove and melted, after refining, silver-colored nickel silicon alloy block is produced in cast;
(2), by composition of raw materials, aluminium block is added in stove at being warming up to 730-740 DEG C and melt, then, at being warming up to 780-790 DEG C again, after adding MnZn alloy block, fully after mixing, then add silver-colored nickel silicon alloy block and other alloying ingredient composition, after abundant mixing, pass into refining agent and carry out refining, skim; Again stokehold chemistry real-time analysis is carried out to aluminium liquid, according to the weight ratio adjustment aluminium fluid component of each component in formula after analysis, feed supplement is carried out to aluminium liquid; Content is met the requirements.
(3), be incubated: step 1 gained aluminium liquid is incubated 15-20min at 720-730 DEG C;
(4), continuous casting and rolling becomes aluminium alloy rod, drawing wire machine is drawn into aluminium alloy single line, controls lubrication temperature not higher than 90 DEG C;
(5), aging strengthening model, put into 220-230 DEG C of heat treatment furnace, process 3-4 hour, then, put into the heat treatment furnace of 290-300 DEG C, process 2-3 hour, be cooled to 100-120 DEG C, atomized water spray is cooled to room temperature.
Its intensity 205Mpa after tested, electric conductivity is 59.0%IACS, and heat-resisting 180 DEG C of intensity survival rates are 85% for a long time, and elongation is 2.41%, and creep rate is lower than 0.01%.
Claims (1)
1. High-strength high-heat resistance aluminum alloy wire rod, is characterized in that the composition wherein containing following weight percent: manganese 1.2-1.4, zinc 0.25-0.35, silver-colored 0.035-0.05, nickel 0.01-0.015, silicon 0.022-0.032, iron 0.1-0.2, surplus are aluminium;
The preparation method of described High-strength high-heat resistance aluminum alloy wire rod, comprises the following steps:
(1), in the ratio of manganese, zinc mass ratio 12:2 manganese, zinc powder are dropped in stove and melted, after refining, MnZn alloy block is produced in cast; In the ratio of silver, nickel, silicon 3:1:2 in mass ratio, silver, nickel, Si powder are dropped in stove and melted, after refining, silver-colored nickel silicon alloy block is produced in cast;
(2), by composition of raw materials, aluminium block is added in stove at being warming up to 730-740 DEG C and melt, then, at being warming up to 780-790 DEG C again, after adding MnZn alloy block, fully after mixing, then add silver-colored nickel silicon alloy block and other alloying ingredient composition, after abundant mixing, pass into refining agent and carry out refining, skim; Again stokehold chemistry real-time analysis is carried out to aluminium liquid, according to the weight ratio adjustment aluminium fluid component of each component in formula after analysis, feed supplement is carried out to aluminium liquid;
(3), be incubated: step (2) gained aluminium liquid is incubated 15-20min at 720-730 DEG C;
(4), continuous casting and rolling becomes aluminium alloy rod, drawing wire machine is drawn into aluminium alloy single line, controls lubrication temperature not higher than 90 DEG C;
(5), aging strengthening model, put into 220-230 DEG C of heat treatment furnace, process 3-4 hour, then, put into the heat treatment furnace of 290-300 DEG C, process 2-3 hour, be cooled to 100-120 DEG C, atomized water spray is cooled to room temperature.
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| CN201310272672.3A CN103352142B (en) | 2013-07-01 | 2013-07-01 | High-strength high-heat resistance aluminum alloy wire rod and preparation method |
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| CN201310272672.3A CN103352142B (en) | 2013-07-01 | 2013-07-01 | High-strength high-heat resistance aluminum alloy wire rod and preparation method |
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| CN103352142A CN103352142A (en) | 2013-10-16 |
| CN103352142B true CN103352142B (en) | 2016-02-17 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105018802A (en) * | 2015-06-23 | 2015-11-04 | 铜陵金力铜材有限公司 | Aluminum alloy wire with good heat resistance and preparing method |
| CN105002399A (en) * | 2015-06-23 | 2015-10-28 | 铜陵金力铜材有限公司 | High-strength and high-conductivity heat-resistant aluminum alloy wire and preparation method thereof |
| CN105132763A (en) * | 2015-06-23 | 2015-12-09 | 铜陵金力铜材有限公司 | Aluminum alloy wire material and preparation method thereof |
| CN105018797A (en) * | 2015-06-23 | 2015-11-04 | 铜陵金力铜材有限公司 | Aluminum alloy wire with good electrical conductivity and preparing method |
| CN107240434A (en) * | 2017-06-27 | 2017-10-10 | 苏州菱慧电子科技有限公司 | A kind of conductive metallic material |
Citations (3)
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|---|---|---|---|---|
| CN101419849A (en) * | 2008-10-21 | 2009-04-29 | 无锡华能电缆有限公司 | High conductivity flexible aluminum wire and manufacturing method thereof |
| CN102119233A (en) * | 2008-08-11 | 2011-07-06 | 住友电气工业株式会社 | Aluminum alloy wire |
| CN102597285A (en) * | 2009-10-13 | 2012-07-18 | 萨帕铝热传输公司 | Sandwich material with high strength at high temperature for thin strips in heat exchangers |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102119233A (en) * | 2008-08-11 | 2011-07-06 | 住友电气工业株式会社 | Aluminum alloy wire |
| US8353993B2 (en) * | 2008-08-11 | 2013-01-15 | Sumitomo Electric Industries, Ltd. | Aluminum alloy wire |
| CN101419849A (en) * | 2008-10-21 | 2009-04-29 | 无锡华能电缆有限公司 | High conductivity flexible aluminum wire and manufacturing method thereof |
| CN102597285A (en) * | 2009-10-13 | 2012-07-18 | 萨帕铝热传输公司 | Sandwich material with high strength at high temperature for thin strips in heat exchangers |
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