CN110358952A - A kind of cable rare-earth-doped modification aluminium alloy and preparation method thereof - Google Patents
A kind of cable rare-earth-doped modification aluminium alloy and preparation method thereof Download PDFInfo
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- CN110358952A CN110358952A CN201910727314.4A CN201910727314A CN110358952A CN 110358952 A CN110358952 A CN 110358952A CN 201910727314 A CN201910727314 A CN 201910727314A CN 110358952 A CN110358952 A CN 110358952A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/053—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with zinc as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
Abstract
The invention discloses a kind of cable rare-earth-doped modification aluminium alloys and preparation method thereof.Cable rare-earth-doped modification aluminium alloy, by weight percentage, it include: copper 0.1~1%, zinc 0.1~1%, magnesium 0.1~1%, silicon 0.01~0.05%, titanium 0.01~0.1%, zirconium 0.01~0.1%, cadmium 0.01~0.1%, gadolinium 0.05~0.2%, europium 0.01~0.1%, scandium 0.1~0.5%, yttrium 0.01~0.2%, strontium 0.01~0.1%, remaining is aluminium.The present invention is using aluminium as substrate, it is mixed with the various metals such as copper, zinc, magnesium, silicon, titanium, zirconium, it has been especially added with the rare earth components modified alloy such as gadolinium, europium, scandium, yttrium, the aluminium alloy not only has good conductive property, and also has excellent tensile property, creep-resistant property, anti-fatigue performance and bending resistance.
Description
Technical field
The present invention relates to technical field of alloy material, in particular to a kind of cable rare-earth-doped modification aluminium alloy and its system
Preparation Method.
Background technique
Wire and cable as part indispensable in power industry, it is highly conductive, high-intensitive, in terms of have solely
Special requirement.With the rise of copper conductor price in recent years, the trend of replacing copper with aluminium is gradually showed.Although newly developed
Aluminium alloy can guarantee to maintain continuous performance and stability in long term overloading and overheat, but its conductivity and performance resistant to high temperature
There is still a need for further increase.
Summary of the invention
The purpose of the present invention is intended to provide a kind of cable rare-earth-doped modification aluminium alloy and preparation method thereof, on solving
State technical problem.
To achieve the goals above, the technical solution of the present invention is as follows:
A kind of cable rare-earth-doped modification aluminium alloy, by weight percentage, comprising: copper 0.1~1%, zinc 0.1~
1%, magnesium 0.1~1%, silicon 0.01~0.05%, titanium 0.01~0.1%, zirconium 0.01~0.1%, cadmium 0.01~0.1%, gadolinium
0.05~0.2%, europium 0.01~0.1%, scandium 0.1~0.5%, yttrium 0.01~0.2%, strontium 0.01~0.1%, remaining is aluminium.
Preferably, the weight of the scandium and gadolinium accounts for 50% or more of the total weight of the gadolinium, europium, scandium, yttrium and strontium.
Preferably, cable rare-earth-doped modification aluminium alloy, by weight percentage, comprising: copper 0.2~0.5%,
Zinc 0.3~0.7%, magnesium 0.2~0.5%, silicon 0.01~0.03%, titanium 0.03~0.08%, zirconium 0.03~0.07%, cadmium 0.03
~0.06%, gadolinium 0.05~0.1%, europium 0.05~0.1%, scandium 0.2~0.3%, yttrium 0.05~0.1%, strontium 0.05~
0.1%, remaining is aluminium.
Preferably, the cable preparation method of rare-earth-doped modification aluminium alloy, includes the following steps:
(1) copper, zinc, magnesium, silicon, titanium, zirconium, cadmium, aluminium are added in smelting furnace, are warming up to 700~750 DEG C and keep the temperature melting 1
Gadolinium, europium, scandium, yttrium, strontium are added in smelting furnace, then are warming up to 750~800 DEG C of heat preservation 40~60min of melting, cast by~3h
To ingot casting；
(2) by step (1) resulting ingot casting in 450~500 DEG C of 3~5h of solution treatment, then in 50~80 DEG C of cooling
It is quickly quenched in water；
(3) ingot casting after step (2) being quenched carries out ageing treatment, hot rolling, obtains the conjunction of cable rare-earth-doped modification aluminium
Gold.
It is further preferred that the step (2) specifically includes: step (1) resulting ingot casting is protected at 420~430 DEG C
20~30min of temperature, then be warming up to 440~450 DEG C keeps the temperature 30~40min, is being warming up to 470~490 DEG C, and heat preservation 60~
90min is warming up to 500~520 DEG C, keeps the temperature 120~150min, is then quickly quenched in 50~80 DEG C of cooling water.
It is further preferred that in the step (3), the condition of the ageing treatment are as follows: 150~160 DEG C of temperature, time 3
~6h.
It is further preferred that the temperature of the hot rolling is 170~180 DEG C in the step (3).
Compared with prior art, the beneficial effects of the present invention are:
The present invention is mixed with the various metals such as copper, zinc, magnesium, silicon, titanium, zirconium using aluminium as substrate, be especially added with gadolinium, europium,
The rare earth components modified alloy such as scandium, yttrium by optimizing the proportion of each component, and passes through melting, casting, solid solution and ageing treatment etc.
Aluminium alloy is obtained after technique, which not only has good conductive property, and also has excellent tensile property, creep resistance
Energy, anti-fatigue performance and bending resistance, after tested, the resistivity of the resulting aluminium alloy of the present invention are not less than 0.027068 Ω
mm2/ m, conductivity are not less than 60.3%IACS, and elongation at break is not less than 10.1%, under conditions of 120 DEG C, 120MPa, 1
The average creep speed of~100h is not more than 1.03 × 10-2%/h, 90 ° of tired bending number of times are not less than 30 times, and filament diameter is most
It is small to draw 0.2mm.
Specific embodiment
Specific embodiments of the present invention will be further explained below.It should be noted that for these implementations
The explanation of mode is used to help understand the present invention, but and does not constitute a limitation of the invention.In addition, invention described below
Technical characteristic involved in each embodiment can be combined with each other as long as they do not conflict with each other.
Embodiment 1
A kind of cable preparation method of rare-earth-doped modification aluminium alloy provided in this embodiment, includes the following steps:
(1) following components by weight percentage: copper 0.1%, zinc 0.1%, magnesium 0.1%, silicon 0.01%, titanium are weighed
0.01%, zirconium 0.01%, cadmium 0.01%, gadolinium 0.05%, europium 0.01%, scandium 0.1%, yttrium 0.01%, strontium 0.01%, remaining is
Aluminium；By copper, zinc, magnesium, silicon, titanium, zirconium, cadmium, aluminium be added smelting furnace in, be warming up to 700 DEG C and keep the temperature melting 1h, by gadolinium, europium, scandium,
Yttrium, strontium are added in smelting furnace, then are warming up to 750 DEG C of heat preservation melting 60min, and casting obtains ingot casting；
(2) step (1) resulting ingot casting is kept the temperature at 430 DEG C 20min, then is warming up to 450 DEG C, kept the temperature 30min, rising
Temperature keeps the temperature 60min to 490 DEG C, is warming up to 520 DEG C, keeps the temperature 120min, is then quickly quenched in 80 DEG C of cooling water；
(3) ingot casting after step (2) being quenched is in 160 DEG C of ageing treatment 6h, then in 180 DEG C of hot rollings, obtains cable with dilute
Native doping vario-property aluminium alloy.
Embodiment 2
A kind of cable preparation method of rare-earth-doped modification aluminium alloy provided in this embodiment, includes the following steps:
(1) following components by weight percentage: copper 1%, zinc 1%, magnesium 1%, silicon 0.05%, titanium 0.1%, zirconium are weighed
0.1%, cadmium 0.1%, gadolinium 0.2%, europium 0.1%, scandium 0.5%, yttrium 0.2%, strontium 0.1%, remaining is aluminium；By copper, zinc, magnesium, silicon,
Titanium, zirconium, cadmium, aluminium are added in smelting furnace, are warming up to 700 DEG C and keep the temperature melting 3h, and gadolinium, europium, scandium, yttrium, strontium are added in smelting furnace,
It is warming up to 800 DEG C of heat preservation melting 40min again, casting obtains ingot casting；
(2) step (1) resulting ingot casting is kept the temperature at 420 DEG C 30min, then is warming up to 440 DEG C, kept the temperature 40min, rising
Temperature keeps the temperature 90min to 470 DEG C, is warming up to 500 DEG C, keeps the temperature 150min, is then quickly quenched in 50 DEG C of cooling water；
(3) ingot casting after step (2) being quenched is in 150 DEG C of ageing treatment 3h, then in 170 DEG C of hot rollings, obtains cable with dilute
Native doping vario-property aluminium alloy.
Embodiment 3
A kind of cable preparation method of rare-earth-doped modification aluminium alloy provided in this embodiment, includes the following steps:
(1) following components by weight percentage: copper 0.2%, zinc 0.3%, magnesium 0.2%, silicon 0.01%, titanium are weighed
0.03%, zirconium 0.03%, cadmium 0.03%, gadolinium 0.05%, europium 0.05%, scandium 0.2%, yttrium 0.05%, strontium 0.05%, remaining is
Aluminium；By copper, zinc, magnesium, silicon, titanium, zirconium, cadmium, aluminium be added smelting furnace in, be warming up to 720 DEG C and keep the temperature melting 2.5h, by gadolinium, europium,
Scandium, yttrium, strontium are added in smelting furnace, then are warming up to 780 DEG C of heat preservation melting 50min, and casting obtains ingot casting；
(2) step (1) resulting ingot casting is kept the temperature at 425 DEG C 30min, then is warming up to 445 DEG C, kept the temperature 40min, rising
Temperature keeps the temperature 75min to 480 DEG C, is warming up to 510 DEG C, keeps the temperature 150min, is then quickly quenched in 60 DEG C of cooling water；
(3) ingot casting after step (2) being quenched is in 155 DEG C of ageing treatment 5h, then in 180 DEG C of hot rollings, obtains cable with dilute
Native doping vario-property aluminium alloy.
Embodiment 4
A kind of cable preparation method of rare-earth-doped modification aluminium alloy provided in this embodiment, includes the following steps:
(1) following components by weight percentage: copper 0.5%, zinc 0.7%, magnesium 0.5%, silicon 0.03%, titanium are weighed
0.08%, zirconium 0.07%, cadmium 0.06%, gadolinium 0.1%, europium 0.1%, scandium 0.3%, yttrium 0.1%, strontium 0.1%, remaining is aluminium；It will
Copper, zinc, magnesium, silicon, titanium, zirconium, cadmium, aluminium are added in smelting furnace, are warming up to 720 DEG C and keep the temperature melting 3h, by gadolinium, europium, scandium, yttrium, strontium
It is added in smelting furnace, then is warming up to 780 DEG C of heat preservation melting 60min, casting obtains ingot casting；
(2) step (1) resulting ingot casting is kept the temperature at 425 DEG C 30min, then is warming up to 445 DEG C, kept the temperature 40min, rising
Temperature keeps the temperature 80min to 480 DEG C, is warming up to 505 DEG C, keeps the temperature 145min, is then quickly quenched in 60 DEG C of cooling water；
(3) ingot casting after step (2) being quenched is in 155 DEG C of ageing treatment 5h, then in 170 DEG C of hot rollings, obtains cable with dilute
Native doping vario-property aluminium alloy.
Embodiment 5
Weigh following components by weight percentage: copper 0.4%, zinc 0.5%, magnesium 0.3%, silicon 0.02%, titanium
0.05%, zirconium 0.04%, cadmium 0.04%, gadolinium 0.08%, europium 0.06%, scandium 0.24%, yttrium 0.08%, strontium 0.06%, remaining is
Aluminium, remaining is aluminium；Then aluminium alloy is made according to the preparation method of embodiment 1.
Embodiment 6
Weigh following components by weight percentage: copper 0.4%, zinc 0.5%, magnesium 0.3%, silicon 0.02%, titanium
0.05%, zirconium 0.04%, cadmium 0.04%, gadolinium 0.05%, europium 0.05%, scandium 0.25%, yttrium 0.06%, strontium 0.09%, remaining is
Aluminium；Then aluminium alloy is made according to the preparation method of embodiment 1.
Embodiment 7
Weigh following components by weight percentage: copper 0.4%, zinc 0.5%, magnesium 0.3%, silicon 0.02%, titanium
0.05%, zirconium 0.04%, cadmium 0.04%, gadolinium 0.08%, europium 0.07%, scandium 0.22%, yttrium 0.07%, strontium 0.06%, remaining is
Aluminium；Then aluminium alloy is made according to the preparation method of embodiment 1.
Embodiment 8
Weigh following components by weight percentage: copper 0.4%, zinc 0.5%, magnesium 0.3%, silicon 0.02%, titanium
0.05%, zirconium 0.04%, cadmium 0.04%, gadolinium 0.05%, europium 0.08%, scandium 0.2%, yttrium 0.08%, strontium 0.1%, remaining is aluminium；
Then aluminium alloy is made according to the preparation method of embodiment 1.
Embodiment 9
Weigh following components by weight percentage: copper 0.1%, zinc 0.1%, magnesium 0.3%, silicon 0.02%, titanium
0.05%, zirconium 0.04%, cadmium 0.04%, gadolinium 0.05%, europium 0.08%, scandium 0.2%, yttrium 0.08%, strontium 0.1%, remaining is aluminium；
Then aluminium alloy is made according to the preparation method of embodiment 1.
Embodiment 10
Weigh following components by weight percentage: copper 0.4%, zinc 0.5%, magnesium 0.3%, silicon 0.02%, titanium
0.01%, zirconium 0.01%, cadmium 0.01%, gadolinium 0.05%, europium 0.08%, scandium 0.2%, yttrium 0.08%, strontium 0.1%, remaining is aluminium；
Then aluminium alloy is made according to the preparation method of embodiment 1.
Beneficial effect in order to further illustrate the present invention, drawing of the present invention to the resulting alloy product of above-described embodiment
It stretches performance, creep-resistant property, anti-fatigue performance and bending resistance etc. to be tested, test result is as follows shown in table:
After tested, the resistivity of the resulting aluminium alloy of above-described embodiment is not less than 0.027068 Ω mm2/ m, conductivity is not
Less than 60.3%IACS, elongation at break is not less than 10.1%, and under conditions of 120 DEG C, 120MPa, 1~100h's is average compacted
Speed change degree is not more than 1.03 × 10-2%/h, 90 ° of tired bending number of times are not less than 30 times；Wherein, the resulting aluminium of embodiment 4~7 closes
The comprehensive performance of gold is substantially better than the resulting aluminium alloy of other embodiments；It can by the properties of product test result of embodiment 4~8
Know, when the weight of scandium and gadolinium accounts for 50% or more of the total weight of the gadolinium, europium, scandium, yttrium and strontium, the comprehensive performance of aluminium alloy is more
It is good.
Above the embodiments of the present invention are described in detail, but the present invention is not limited to described embodiments.It is right
For those skilled in the art, in the case where not departing from the principle of the invention and spirit, these embodiments are carried out more
Kind change, modification, replacement and modification, still fall in protection scope of the present invention.
Claims (7)
1. a kind of cable rare-earth-doped modification aluminium alloy, which is characterized in that by weight percentage, comprising: copper 0.1~1%,
Zinc 0.1~1%, magnesium 0.1~1%, silicon 0.01~0.05%, titanium 0.01~0.1%, zirconium 0.01~0.1%, cadmium 0.01~
0.1%, gadolinium 0.05~0.2%, europium 0.01~0.1%, scandium 0.1~0.5%, yttrium 0.01~0.2%, strontium 0.01~0.1%,
Remaining is aluminium.
2. cable according to claim 1 rare-earth-doped modification aluminium alloy, which is characterized in that the weight of the scandium and gadolinium
Account for 50% or more of the total weight of the gadolinium, europium, scandium, yttrium and strontium.
3. cable according to claim 1 rare-earth-doped modification aluminium alloy, which is characterized in that the cable is mixed with rare earth
Miscellaneous modified aluminium alloy, by weight percentage, comprising: copper 0.2~0.5%, zinc 0.3~0.7%, magnesium 0.2~0.5%, silicon
0.01~0.03%, titanium 0.03~0.08%, zirconium 0.03~0.07%, cadmium 0.03~0.06%, gadolinium 0.05~0.1%, europium
0.05~0.1%, scandium 0.2~0.3%, yttrium 0.05~0.1%, strontium 0.05~0.1%, remaining is aluminium.
4. cable according to claim 1 rare-earth-doped modification aluminium alloy, which is characterized in that the cable is mixed with rare earth
The preparation method of miscellaneous modified aluminium alloy, includes the following steps:
(1) copper, zinc, magnesium, silicon, titanium, zirconium, cadmium, aluminium are added in smelting furnace, are warming up to 700~750 DEG C and keep the temperature 1~3h of melting,
Gadolinium, europium, scandium, yttrium, strontium are added in smelting furnace, then are warming up to 750~800 DEG C of heat preservation 40~60min of melting, is cast
Ingot；
(2) by step (1) resulting ingot casting in 450~500 DEG C of 3~5h of solution treatment, then in 50~80 DEG C of cooling water
Quickly it is quenched；
(3) ingot casting after step (2) being quenched carries out ageing treatment, hot rolling, obtains cable rare-earth-doped modification aluminium alloy.
5. cable according to claim 4 rare-earth-doped modification aluminium alloy, which is characterized in that the step (2) is specific
It include: step (1) resulting ingot casting to be kept the temperature into 20~30min at 420~430 DEG C, then be warming up to 440~450 DEG C, heat preservation 30
~40min is being warming up to 470~490 DEG C, is keeping the temperature 60~90min, be warming up to 500~520 DEG C, keeping the temperature 120~150min, so
It is quickly quenched in 50~80 DEG C of cooling water afterwards.
6. cable according to claim 4 rare-earth-doped modification aluminium alloy, which is characterized in that in the step (3), institute
State the condition of ageing treatment are as follows: 150~160 DEG C of temperature, 3~6h of time.
7. cable according to claim 4 rare-earth-doped modification aluminium alloy, which is characterized in that in the step (3), institute
The temperature for stating hot rolling is 170~180 DEG C.
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| JP2006205557A (en) * | 2005-01-28 | 2006-08-10 | Fuji Photo Film Co Ltd | Substrate for lithographic printing plate |
| CN103103397A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Cd-RE aluminium alloy, preparation method thereof and power cable |
| CN103146960A (en) * | 2012-11-06 | 2013-06-12 | 安徽南洋电缆有限公司 | Solid aluminum alloy conductor and preparation method thereof |
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2019
- 2019-08-07 CN CN201910727314.4A patent/CN110358952A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006205557A (en) * | 2005-01-28 | 2006-08-10 | Fuji Photo Film Co Ltd | Substrate for lithographic printing plate |
| CN103146960A (en) * | 2012-11-06 | 2013-06-12 | 安徽南洋电缆有限公司 | Solid aluminum alloy conductor and preparation method thereof |
| CN103103397A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Cd-RE aluminium alloy, preparation method thereof and power cable |
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