CN103276257A - Aluminum alloy conductor rod for electrician - Google Patents
Aluminum alloy conductor rod for electrician Download PDFInfo
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- CN103276257A CN103276257A CN2013102456368A CN201310245636A CN103276257A CN 103276257 A CN103276257 A CN 103276257A CN 2013102456368 A CN2013102456368 A CN 2013102456368A CN 201310245636 A CN201310245636 A CN 201310245636A CN 103276257 A CN103276257 A CN 103276257A
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Abstract
An aluminum alloy conductor rod for an electrician comprises the following components in percentage by weight: 99.18-99.45 percent of Al, 0.001-0.005 percent of Ni, 0.15-0.3 percent of Cu, 0.005-0.03 percent of Zn, 0.28-0.42 percent of Fe, 0.008-0.034 percent of Mg, 0.04-0.08 percent of Si, 0.001-0.005 percent of B and the balance of impurities. According to the aluminum alloy conductor rod for the electrician, other metallic elements and nonmetallic elements are added into metallic aluminum, so that the aluminum alloy conductor rod has the characteristics of creep resistance, high tensile strength, extensibility and thermal expansion coefficient, excellent connectivity, high dead weight bearing capacity, high corrosion resistance and flexibility, and the like; and the aluminum alloy conductor rod also retains an oxidation protective capability of an aluminum rod for the electrician, and makes up the lack of the aluminum rod for the electrician.
Description
[technical field]
The present invention relates to the aluminium alloy conductor production technical field, particularly relate to a kind of electrician and use the aluminium alloy conductor bar.
[background technology]
Aluminium alloy conductor is widely used in fields such as transmission of electricity.Along with improving constantly of fast development of national economy and living standards of the people, to the demand sharp increase of electric power, transmitting line develops to big capacity direction day by day, and this just requires to increase the transmitting capacity of lead.
Existing electrician uses aluminium bar creep-resistant property, tensile strength is little, the unit elongation thermal expansivity is low, switching performance is poor, weak, the deficiencies such as Corrosion Protection is poor, snappiness difference of deadweight bearing capacity.
[summary of the invention]
The present invention is intended to solve existing electrician with little, the low problem that can not satisfy user's needs of elongation of tensile strength of aluminium alloy conductor bar, and providing a kind of by in aluminium liquid, adding boron oxide, Al-Cu alloy, No. 3 zinc alloys and Mg-Zn-RE series magnesium alloy, the tensile strength electrician big, that elongation is high who forms through fusing, filter cleaner, casting, cooling, continuous rolling process uses the aluminium alloy conductor bar.
For achieving the above object, the invention provides a kind of electrician and use the aluminium alloy conductor bar, this electrician is made of by weight percentage following component with the aluminium alloy conductor bar:
Electrician of the present invention with aluminium alloy conductor bar preferred ingredient and weight percent is:
Described electrician is as follows with the preparation method of aluminium alloy conductor bar:
A, sampling detection from aluminium ingot, composition and the weight percent content of analysis aluminium ingot; According to analytical results, select standard compliant aluminium ingot: aluminium content 〉=99.7%, copper content≤0.02%, iron level≤0.1%, silicone content≤0.2%, Mg content≤0.05%, surplus is impurity, if the composition in the aluminium ingot and weight percent content will be reselected standard compliant aluminium ingot not in above-mentioned standard;
B, standard compliant aluminium ingot is put into melt in furnace, temperature control is at 685～760 degree, aluminium ingot fusing back is incubated in holding furnace, and temperature control is at 700～760 degree, when temperature reaches 760 when spending, stir with 5-10 meter per second speed, add the ferroaluminium ingot, after this ferroaluminium ingot fusing, discharge not blow attitude material from aluminium liquid, get aluminium liquid and detect, analyze composition and the weight percent content of aluminium liquid;
C, with nitrogen the agent of degasification deslagging refining is sent in the aluminium liquid of fusing and carried out refining, nitrogen pressure is 0.15-0.25Mpa, refining twice, and each time is 8-15 minute, be 10-15 minute twice refining pitch time;
Behind d, the above-mentioned aluminium liquid filter cleaner, left standstill 8-15 minute, stir with 5-10 meter per second speed, it is qualified to aluminium liquid composition and weight percent content to add boron oxide, Al-Cu alloy, No. 3 zinc alloys and Mg-Zn-RE series magnesium alloy, and temperature of aluminum liquid control is at 680～700 degree;
After the composition of e, aluminium liquid and weight percent content meet the requirements, cast, cooling, tandem rolling, pouring temperature control 680～700 degree, casting rate is the 0.2-0.22 meter per second; Be 0.1～0.3Mpa with pressure in the aluminium liquid casting cycle, temperature is the water quench of 10-40 degree, and cooling back blank temperature is the 480-520 degree; Cooling back blank carries out tandem rolling, and advancing to roll temperature is the 480-520 degree, and going into the speed of rolling is the 0.18-0.22 meter per second, and finishing temperature is the 200-250 degree, and finish to gauge speed is the 5-7 meter per second.
Contribution of the present invention is that it efficiently solves problems such as existing electrician is little with aluminium alloy conductor bar tensile strength on the market, elongation is low.Owing to use in the aluminium alloy conductor bar electrician of the present invention, in metallic aluminium, add other metallic element and non-metallic element, make that the aluminium alloy conductor bar has that creep-resistant property, tensile strength are big, unit elongation thermal expansivity height, excellent, strong, the characteristics such as Corrosion Protection is high, snappiness height of deadweight bearing capacity of switching performance.The present invention has also kept the oxidation protection ability of electrician with the aluminium bar, and has remedied the deficiency of electrician with aluminium bar itself.
[embodiment]
The following example is to further explanation of the present invention and explanation, and the present invention is not constituted any limitation.
Embodiment 1
A, sampling detection from first batch aluminium ingot, composition and the weight percent content of analysis aluminium ingot; Wherein aluminium content is 99.71%, copper content is 0.01%, iron level is 0.06%, silicone content is 0.12%, Mg content is 0.03%, and all the other are impurity.This batch aluminium ingot is produced the aluminium alloy conductor bar after testing, and its tensile strength is 98MPa, does not meet the requirement of user's minimum tensile strength 103MPa;
B, above-mentioned aluminium ingot is put into smelting furnace melt, temperature control is at 685～760 degree, and aluminium ingot fusing back is incubated in holding furnace, and temperature control is at 700～760 degree; When temperature reaches 760 when spending, once evenly stir with 8 meter per second speed regulations, add 0.5% ferroaluminium ingot of aluminium liquid weight simultaneously, this ferroaluminium ingot contains the nickel metallic element.Evenly stir the iron that makes in the ferroaluminium ingot combines into the iron silicide ternary compound with silicon in the aluminium liquid solid matter.Carry out deslagging and handle, discharge section is blow attitude material not.To the detection of taking a sample of the aluminium liquid behind the deslagging, analyze composition and the content of aluminium liquid, analytical results, wherein aluminium content is 99.45%, nickel content is 0.005%, copper content is 0.006%, iron level is 0.39%, silicone content is 0.075%, Mg content is 0.025%, all the other are impurity;
C, be that the aluminium liquid that the high pure nitrogen of 0.15-0.25MPa is sent the agent of degasification deslagging refining into fusing equably carries out refining by pipeline pressure, the weight of this degasification deslagging refining agent is 0.4% of aluminium liquid weight, refining time is 10 minutes for the first time, at interval after 15 minutes, carry out the refining second time, refining time is 10 minutes;
D, the aluminium liquid filtration with fusing, deslagging, discharge section be blow attitude material not, after finishing, left standstill 8-15 minute, evenly stir with 10 meter per second speed regulation secondaries, add 0.006% boron oxide, the 0.35%Al-Cu alloy of aluminium liquid weight, No. 0.06%3 zinc alloy and 0.03%Mg-Zn-RE series magnesium alloy, temperature of aluminum liquid control is at 680～700 degree; To the detection of taking a sample of aluminium liquid, analyze composition and the content of aluminium liquid, wherein aluminium content is 99.255%, nickel content is 0.003%, copper content is 0.21%, zinc content is 0.011%, iron level is 0.34%, silicone content is 0.061%, Mg content is 0.02%, boron content is 0.003%, and all the other are impurity;
E, with aluminium liquid in the holding furnace cast, cooling, tandem rolling; Continuous casting becomes solid-state blank, pouring temperature control 680～700 degree, and casting rate is the 0.2-0.22 meter per second; Cool off in the aluminium liquid casting cycle, the temperature of the solid-state blank in cooling back is the 480-520 degree, and cooling water pressure is 0.1～0.3Mpa, and temperature of cooling water is the 10-40 degree; The solid-state blank in cooling back is by tandem rolling unit tandem rolling, and it is the 480-520 degree that solid-state blank advances to roll temperature, and going into the speed of rolling is the 0.18-0.22 meter per second, and finishing temperature is the 200-250 degree, and finish to gauge speed is the 5-7 meter per second, production moulding aluminium alloy conductor bar.
After testing, the tensile strength of this aluminium alloy conductor bar is 121MPa, and elongation is 13%.Meet user minimum tensile strength 〉=103MPa, elongation 〉=8% requirement.
Embodiment 2
A, sampling detection from second batch aluminium ingot, composition and the weight percent content of analysis aluminium ingot; Wherein aluminium content is 99.75%, copper content is 0.015%, iron level is 0.04%, silicone content is 0.13%, Mg content is 0.04%, and all the other are impurity.This batch aluminium ingot is produced the aluminium alloy conductor bar after testing, and its tensile strength is 101MPa, does not meet the requirement of user's minimum tensile strength 103MPa;
B, above-mentioned aluminium ingot is put into smelting furnace melt, temperature control is at 685～760 degree, and aluminium ingot fusing back is incubated in holding furnace, and temperature control is at 700～760 degree; When temperature reaches 760 when spending, once evenly stir with 8 meter per second speed regulations, add 0.4% ferroaluminium ingot of aluminium liquid weight simultaneously, this ferroaluminium ingot contains the nickel metallic element.Evenly stir the iron that makes in the ferroaluminium ingot combines into the iron silicide ternary compound with silicon in the aluminium liquid solid matter.Carry out deslagging and handle, discharge section is blow attitude material not.To the detection of taking a sample of the aluminium liquid behind the deslagging, analyze composition and the content of aluminium liquid, analytical results, wherein aluminium content is 99.53%, nickel content is 0.004%, copper content is 0.01%, iron level is 0.32%, silicone content is 0.08%, Mg content is 0.02%, all the other are impurity;
C, be that the aluminium liquid that the high pure nitrogen of 0.15-0.25MPa is sent the agent of degasification deslagging refining into fusing equably carries out refining by pipeline pressure, the weight of this degasification deslagging refining agent is 0.4% of aluminium liquid weight, refining time is 10 minutes for the first time, at interval after 15 minutes, carry out the refining second time, refining time is 10 minutes;
D, the aluminium liquid filtration with fusing, deslagging, discharge section be blow attitude material not, after finishing, left standstill 8-15 minute, evenly stir with 10 meter per second speed regulation secondaries, add 0.004% boron oxide, the 0.4%Al-Cu alloy of aluminium liquid weight, No. 0.02%3 zinc alloy and 0.025%Mg-Zn-RE series magnesium alloy, temperature of aluminum liquid control is at 680～700 degree; To the detection of taking a sample of aluminium liquid, analyze composition and the content of aluminium liquid, wherein aluminium content is 99.362%, nickel content is 0.002%, copper content is 0.25%, zinc content is 0.007%, iron level is 0.29%, silicone content is 0.045%, Mg content is 0.01%, boron content is 0.002%, and all the other are impurity;
E, with aluminium liquid in the holding furnace cast, cooling, tandem rolling; Continuous casting becomes solid-state blank, pouring temperature control 680～700 degree, and casting rate is the 0.2-0.22 meter per second; Cool off in the aluminium liquid casting cycle, the temperature of the solid-state blank in cooling back is the 480-520 degree, and cooling water pressure is 0.1～0.3Mpa, and temperature of cooling water is the 10-40 degree; The solid-state blank in cooling back is by tandem rolling unit tandem rolling, and it is the 480-520 degree that solid-state blank advances to roll temperature, and going into the speed of rolling is the 0.18-0.22 meter per second, and finishing temperature is the 200-250 degree, and finish to gauge speed is the 5-7 meter per second, production moulding aluminium alloy conductor bar.
After testing, the tensile strength of this aluminium alloy conductor bar is 126MPa, and elongation is 10%.Meet user minimum tensile strength 〉=103MPa, elongation 〉=8% requirement.
Embodiment 3
A, sampling detection from the 3rd batch aluminium ingot, composition and the weight percent content of analysis aluminium ingot; Wherein aluminium content is 99.74%, copper content is 0.008%, iron level is 0.045%, silicone content is 0.11%, Mg content is 0.037%, and all the other are impurity.This batch aluminium ingot is produced the aluminium alloy conductor bar after testing, and its tensile strength is 100MPa, does not meet the requirement of user's minimum tensile strength 103MPa;
B, above-mentioned aluminium ingot is put into smelting furnace melt, temperature control is at 685～760 degree, and aluminium ingot fusing back is incubated in holding furnace, and temperature control is at 700～760 degree; When temperature reaches 760 when spending, once evenly stir with 8 meter per second speed regulations, add 0.45% ferroaluminium ingot of aluminium liquid weight simultaneously, this ferroaluminium ingot contains the nickel metallic element.Evenly stir the iron that makes in the ferroaluminium ingot combines into the iron silicide ternary compound with silicon in the aluminium liquid solid matter.Carry out deslagging and handle, discharge section is blow attitude material not.To the detection of taking a sample of the aluminium liquid behind the deslagging, analyze composition and the content of aluminium liquid, analytical results, wherein aluminium content is 99.52%, nickel content is 0.004%, copper content is 0.006%, iron level is 0.32%, silicone content is 0.08%, Mg content is 0.02%, all the other are impurity;
C, be that the aluminium liquid that the high pure nitrogen of 0.15-0.25MPa is sent the agent of degasification deslagging refining into fusing equably carries out refining by pipeline pressure, the weight of this degasification deslagging refining agent is 0.4% of aluminium liquid weight, refining time is 10 minutes for the first time, at interval after 15 minutes, carry out the refining second time, refining time is 10 minutes;
D, the aluminium liquid filtration with fusing, deslagging, discharge section be blow attitude material not, after finishing, left standstill 8-15 minute, evenly stir with 10 meter per second speed regulation secondaries, add 0.007% boron oxide, the 0.45%Al-Cu alloy of aluminium liquid weight, No. 0.08%3 zinc alloy and 0.04%Mg-Zn-RE series magnesium alloy, temperature of aluminum liquid control is at 680～700 degree; To the detection of taking a sample of aluminium liquid, analyze composition and the content of aluminium liquid, wherein aluminium content is 99.345%, nickel content is 0.003%, copper content is 0.18%, zinc content is 0.028%, iron level is 0.31%, silicone content is 0.05%, Mg content is 0.03%, boron content is 0.004%, and all the other are impurity;
E, with aluminium liquid in the holding furnace cast, cooling, tandem rolling; Continuous casting becomes solid-state blank, pouring temperature control 680～700 degree, and casting rate is the 0.2-0.22 meter per second; Cool off in the aluminium liquid casting cycle, the temperature of the solid-state blank in cooling back is the 480-520 degree, and cooling water pressure is 0.1～0.3Mpa, and temperature of cooling water is the 10-40 degree; The solid-state blank in cooling back is by tandem rolling unit tandem rolling, and it is the 480-520 degree that solid-state blank advances to roll temperature, and going into the speed of rolling is the 0.18-0.22 meter per second, and finishing temperature is the 200-250 degree, and finish to gauge speed is the 5-7 meter per second, production moulding aluminium alloy conductor bar.
After testing, the tensile strength of this aluminium alloy conductor bar is 128MPa, and elongation is 12%.Meet user minimum tensile strength 〉=103MPa, elongation 〉=8% requirement.
Embodiment 4
A, sampling detection from the 4th batch aluminium ingot, composition and the weight percent content of analysis aluminium ingot; Wherein aluminium content is 99.73%, copper content is 0.01%, iron level is 0.05%, silicone content is 0.11%, Mg content is 0.026%, and all the other are impurity.This batch aluminium ingot is produced the aluminium alloy conductor bar after testing, and its tensile strength is 99.6MPa, does not meet the requirement of user's minimum tensile strength 103MPa;
B, above-mentioned aluminium ingot is put into smelting furnace melt, temperature control is at 685～760 degree, and aluminium ingot fusing back is incubated in holding furnace, and temperature control is at 700～760 degree; When temperature reaches 760 when spending, once evenly stir with 8 meter per second speed regulations, add 0.65% ferroaluminium ingot of aluminium liquid weight simultaneously, this ferroaluminium ingot contains the nickel metallic element.Evenly stir the iron that makes in the ferroaluminium ingot combines into the iron silicide ternary compound with silicon in the aluminium liquid solid matter.Carry out deslagging and handle, discharge section is blow attitude material not.To the detection of taking a sample of the aluminium liquid behind the deslagging, analyze composition and the content of aluminium liquid, analytical results, wherein aluminium content is 99.47%, nickel content is 0.006%, copper content is 0.004%, iron level is 0.38%, silicone content is 0.06%, Mg content is 0.02%, all the other are impurity;
C, be that the aluminium liquid that the high pure nitrogen of 0.15-0.25MPa is sent the agent of degasification deslagging refining into fusing equably carries out refining by pipeline pressure, the weight of this degasification deslagging refining agent is 0.4% of aluminium liquid weight, refining time is 10 minutes for the first time, at interval after 15 minutes, carry out the refining second time, refining time is 10 minutes;
D, the aluminium liquid filtration with fusing, deslagging, discharge section be blow attitude material not, after finishing, left standstill 8-15 minute, evenly stir with 10 meter per second speed regulation secondaries, add 0.005% boron oxide, the 0.4%Al-Cu alloy of aluminium liquid weight, No. 0.05%3 zinc alloy and 0.03%Mg-Zn-RE series magnesium alloy, temperature of aluminum liquid control is at 680～700 degree; To the detection of taking a sample of aluminium liquid, analyze composition and the content of aluminium liquid, wherein aluminium content is 99.322%, nickel content is 0.004%, copper content is 0.23%, zinc content is 0.02%, iron level is 0.3%, silicone content is 0.05%, Mg content is 0.018%, boron content is 0.003%, and all the other are impurity;
E, with aluminium liquid in the holding furnace cast, cooling, tandem rolling; Continuous casting becomes solid-state blank, pouring temperature control 680～700 degree, and casting rate is the 0.2-0.22 meter per second; Cool off in the aluminium liquid casting cycle, the temperature of the solid-state blank in cooling back is the 480-520 degree, and cooling water pressure is 0.1～0.3Mpa, and temperature of cooling water is the 10-40 degree; The solid-state blank in cooling back is by tandem rolling unit tandem rolling, and it is the 480-520 degree that solid-state blank advances to roll temperature, and going into the speed of rolling is the 0.18-0.22 meter per second, and finishing temperature is the 200-250 degree, and finish to gauge speed is the 5-7 meter per second, production moulding aluminium alloy conductor bar.
After testing, the tensile strength of this aluminium alloy conductor bar is 125MPa, and elongation is 13%.Meet user minimum tensile strength 〉=103MPa, elongation 〉=8% requirement.
Embodiment 5
A, sampling detection from the 5th batch aluminium ingot, composition and the weight percent content of analysis aluminium ingot; Wherein aluminium content is 99.72%, copper content is 0.015%, iron level is 0.06%, silicone content is 0.12%, Mg content is 0.023%, and all the other are impurity.This batch aluminium ingot is produced the aluminium alloy conductor bar after testing, and its tensile strength is 96MPa, does not meet the requirement of user's minimum tensile strength 103MPa;
B, above-mentioned aluminium ingot is put into smelting furnace melt, temperature control is at 685～760 degree, and aluminium ingot fusing back is incubated in holding furnace, and temperature control is at 700～760 degree; When temperature reaches 760 when spending, once evenly stir with 8 meter per second speed regulations, add 0.6% ferroaluminium ingot of aluminium liquid weight simultaneously, this ferroaluminium ingot contains the nickel metallic element.Evenly stir the iron that makes in the ferroaluminium ingot combines into the iron silicide ternary compound with silicon in the aluminium liquid solid matter.Carry out deslagging and handle, discharge section is blow attitude material not.To the detection of taking a sample of the aluminium liquid behind the deslagging, analyze composition and the content of aluminium liquid, analytical results, wherein aluminium content is 99.45%, nickel content is 0.007%, copper content is 0.007%, iron level is 0.47%, silicone content is 0.06%, Mg content is 0.015%, all the other are impurity;
C, be that the aluminium liquid that the high pure nitrogen of 0.15-0.25MPa is sent the agent of degasification deslagging refining into fusing equably carries out refining by pipeline pressure, the weight of this degasification deslagging refining agent is 0.4% of aluminium liquid weight, refining time is 10 minutes for the first time, at interval after 15 minutes, carry out the refining second time, refining time is 10 minutes;
D, the aluminium liquid filtration with fusing, deslagging, discharge section be blow attitude material not, after finishing, left standstill 8-15 minute, evenly stir with 10 meter per second speed regulation secondaries, add 0.008% boron oxide, the 0.5%Al-Cu alloy of aluminium liquid weight, No. 0.02%3 zinc alloy and 0.04%Mg-Zn-RE series magnesium alloy, temperature of aluminum liquid control is at 680～700 degree; To the detection of taking a sample of aluminium liquid, analyze composition and the content of aluminium liquid, wherein aluminium content is 99.315%, nickel content is 0.004%, copper content is 0.25%, zinc content is 0.007%, iron level is 0.3%, silicone content is 0.045%, Mg content is 0.015%, boron content is 0.004%, and all the other are impurity;
E, with aluminium liquid in the holding furnace cast, cooling, tandem rolling; Continuous casting becomes solid-state blank, pouring temperature control 680～700 degree, and casting rate is the 0.2-0.22 meter per second; Cool off in the aluminium liquid casting cycle, the temperature of the solid-state blank in cooling back is the 480-520 degree, and cooling water pressure is 0.1～0.3Mpa, and temperature of cooling water is the 10-40 degree; The solid-state blank in cooling back is by tandem rolling unit tandem rolling, and it is the 480-520 degree that solid-state blank advances to roll temperature, and going into the speed of rolling is the 0.18-0.22 meter per second, and finishing temperature is the 200-250 degree, and finish to gauge speed is the 5-7 meter per second, production moulding aluminium alloy conductor bar.
After testing, the tensile strength of this aluminium alloy conductor bar is 127MPa, and elongation is 13%.Meet user minimum tensile strength 〉=103MPa, elongation 〉=8% requirement.
More than embodiments of the invention are had been described in detail, but described content only is preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalizations of doing according to the present patent application scope change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (3)
1. an electrician uses the aluminium alloy conductor bar, it is characterized in that, its component and weight percent are:
2. an electrician uses the aluminium alloy conductor bar, it is characterized in that, its component and weight percent are:
3. the electrician uses the aluminium alloy conductor bar as claimed in claim 1 or 2, it is characterized in that, described electrician is as follows with the preparation method of aluminium alloy conductor bar:
A, sampling detection from aluminium ingot, composition and the weight percent content of analysis aluminium ingot; According to analytical results, select standard compliant aluminium ingot: aluminium content 〉=99.7%, copper content≤0.02%, iron level≤0.1%, silicone content≤0.2%, Mg content≤0.05%, surplus is impurity, if the composition in the aluminium ingot and weight percent content will be reselected standard compliant aluminium ingot not in above-mentioned standard;
B, standard compliant aluminium ingot is put into melt in furnace, temperature control is at 685～760 degree, aluminium ingot fusing back is incubated in holding furnace, and temperature control is at 700～760 degree, when temperature reaches 760 when spending, stir with 5-10 meter per second speed, add the ferroaluminium ingot, after this ferroaluminium ingot fusing, discharge not blow attitude material from aluminium liquid, get aluminium liquid and detect, analyze composition and the weight percent content of aluminium liquid;
C, with nitrogen the agent of degasification deslagging refining is sent in the aluminium liquid of fusing and carried out refining, nitrogen pressure is 0.15-0.25Mpa, refining twice, and each time is 8-15 minute, be 10-15 minute twice refining pitch time;
Behind d, the above-mentioned aluminium liquid filter cleaner, left standstill 8-15 minute, stir with 5-10 meter per second speed, it is qualified to aluminium liquid composition and weight percent content to add boron oxide, Al-Cu alloy, No. 3 zinc alloys and Mg-Zn-RE series magnesium alloy, and temperature of aluminum liquid control is at 680～700 degree;
After the composition of e, aluminium liquid and weight percent content meet the requirements, cast, cooling, tandem rolling, pouring temperature control 680～700 degree, casting rate is the 0.2-0.22 meter per second; Be 0.1～0.3Mpa with pressure in the aluminium liquid casting cycle, temperature is the water quench of 10-40 degree, and cooling back blank temperature is the 480-520 degree; Cooling back blank carries out tandem rolling, and advancing to roll temperature is the 480-520 degree, and going into the speed of rolling is the 0.18-0.22 meter per second, and finishing temperature is the 200-250 degree, and finish to gauge speed is the 5-7 meter per second.
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| CN104372189A (en) * | 2014-12-08 | 2015-02-25 | 湖北万佳宏铝业有限公司 | Fusion casting process used for producing aluminium ingots for aluminium alloy sections |
| CN108642337A (en) * | 2018-06-26 | 2018-10-12 | 安徽沪源铝业有限公司 | A kind of electrician is with 8030 aluminium alloy rods and its manufacturing process |
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| CN109564790A (en) * | 2016-07-21 | 2019-04-02 | 希库蒂米魁北克大学 | Aluminium conductor alloy with improved creep resistance |
| US11532407B2 (en) | 2016-07-21 | 2022-12-20 | Universite Du Quebec A Chicoutimi | Aluminum conductor alloys having improved creeping resistance |
| CN108642337A (en) * | 2018-06-26 | 2018-10-12 | 安徽沪源铝业有限公司 | A kind of electrician is with 8030 aluminium alloy rods and its manufacturing process |
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