CN104332212A - Efficient and energy-saving copper-clad aluminum magnesium alloy wire and producing method thereof - Google Patents
Efficient and energy-saving copper-clad aluminum magnesium alloy wire and producing method thereof Download PDFInfo
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- CN104332212A CN104332212A CN201410660981.2A CN201410660981A CN104332212A CN 104332212 A CN104332212 A CN 104332212A CN 201410660981 A CN201410660981 A CN 201410660981A CN 104332212 A CN104332212 A CN 104332212A
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Abstract
The invention discloses an efficient and energy-saving copper-clad aluminum magnesium alloy wire and a producing method thereof. The energy-saving copper-clad aluminum magnesium alloy wire is composed of a rare-earth aluminum magnesium alloy core wire and a copper layer coated on the core wire; the copper layer and the rare-earth aluminum magnesium alloy core wire are in metallurgical bonding; the copper-clad rare-earth aluminum magnesium alloy wire is composed of the components in proportion as follows: 0.5-1% of magnesium, 0.45-0.65% of silicon, 0.2%-0.5% of RE, and aluminum and unavoidable impurities of the balance. The RE is a mixed rare-earth element, and generally one or mixture of cerium, lanthanum and yttrium. The diameter of the copper-clad rare-earth aluminum magnesium alloy wire is 2-5 mm; the volume of the copper layer is 10-20% of that of the copper-clad rare-earth aluminum magnesium alloy wire; the weight of the copper layer is 25-35% of that of the copper-clad rare-earth aluminum magnesium alloy wire. The method of the invention comprises the specific steps of: smelting alloy liquid, casting and crystallizing, rolling, cladding and welding, and wire-drawing.
Description
Technical field
The present invention relates to electric conducting material technical field, be specifically related to a kind of energy-efficient copper clad aluminum magnesium alloy wire and production method thereof.
Background technology
Along with the economic develop rapidly of China, improving constantly of living standards of the people, economic construction and people's daily life are to underload power line, Cable TV Signal Transmission wire, Large Copacity communication network signal transmission wire, control signal cable, light body vehicle cable, welding cable, urgent removal cable, television set excitation coil, deflecting coil, ballast coil, video/audio wire, automotive wire bundle, the demands such as cable shield litzendraht wire and enamelled wire winding increase very fast, require that conductor material has good electric conductivity, signal transmission performance, mechanical property and mechanical performance, fine copper (silk) wire or copper cover aluminum (magnesium) alloy (silk) wire is generally used to produce these wires or cable at present.
As everyone knows, not only density is large for fine copper (silk) material, production cost is high, and copper resource-constrained, and can not regenerate; Not only electric property is poor for copper cover aluminum (magnesium) alloy (silk) material, resistance ratio is higher, electric conductivity is lower, and mechanical performance is also poor, tensile strength is lower, extension property is smaller, easily break, economic performance also compares shortcoming, therefore range of application is narrow, and letter one to be needed " renewal product " overcomes the defect that above-mentioned material exists.
Summary of the invention
A kind of energy-efficient copper clad aluminum magnesium alloy wire and production method thereof, it is characterized in that this wire is made up of rare-earth-Al-Mg alloy heart yearn and the layers of copper be coated on described heart yearn, metallurgical binding between described layers of copper and rare-earth-Al-Mg alloy heart yearn, the proportioning of described aluminum-magnesium alloy conductor containing rare earth covering by cuprum: magnesium 0.5 ~ 1%, silicon 0.45 ~ 0.65%, RE 0.2% ~ 0.5%, all the other are aluminium and inevitable impurity.Described RE is mixed rare-earth elements, and what usually adopt is one or more mixing of cerium, lanthanum and yttrium.Described aluminum-magnesium alloy conductor containing rare earth covering by cuprum diameter is 2 ~ 5mm, and the volume of described layers of copper is 10 ~ 20% of this aluminum-magnesium alloy conductor containing rare earth covering by cuprum, and the weight of described layers of copper is 25 ~ 35% of this aluminum-magnesium alloy conductor containing rare earth covering by cuprum.
The present invention is the technical scheme taked that solves the problem: the concrete steps of described method are as follows:
A, molten alloy liquid
Above-mentioned batching is put into fusing, refining under high temperature, after refining completes, it is incubated and filters; During described melting, the fire box temperature of the kettle furnace of automatic temperature controlling controls at 850 ~ 1000 DEG C, and temperature of aluminum liquid controls at 700 ~ 750 DEG C.
B, casting and crystallization
Steps A gained aluminium alloy is added after filtering the boron alloy crystal grain thinning being equivalent to aluminium alloy weight 0.002% ~ 0. O2%, then pour into aluminium alloy ingots.
C, rolling
Step B gained aluminium alloy ingots is rolled into aluminium alloy rod; Described rolling adopts Continuous mill train to be rolled, and to control breaking down temperature be 450 ~ 550 DEG C, and finishing temperature is 250 ~ 350 DEG C, and tandem mill cooling-lubricant total pressure controls at 0.1 ~ 0. 5MPa.
D, clad welded
Carry out coated layers of copper to the aluminium alloy rod of the rolling that step C obtains, coated layers of copper percent by volume consists of 10% ~ 20%.
E, wire drawing
Step D gained aluminium alloy rod is drawn into aluminium alloy wire; Described wire drawing adopts continuous drawing machine, and pull wire speed controls at 8 ~ 25 meter per seconds.
Aluminium alloy conductor of the present invention and manufacture method thereof control the impurity content of aluminium ingot and the content of alloying Addition ofelements by strict, and by adding boron alloy crystal grain thinning, guarantee crystalline state is good, ensure that by adopting the kettle furnace of automatic temperature controlling aluminium liquid can be toppled over totally, produced aluminium alloy conductor is made to have high conductivity and thermal endurance, meet the performance requirement of industry to aluminium alloy conductor, be particularly suited for being made into high conductivity heat proof cable.
Embodiment
Embodiment 1
A kind of energy-efficient copper clad aluminum magnesium alloy wire and production method thereof, it is characterized in that this wire is made up of rare-earth-Al-Mg alloy heart yearn and the layers of copper be coated on described heart yearn, metallurgical binding between described layers of copper and rare-earth-Al-Mg alloy heart yearn, the proportioning of described aluminum-magnesium alloy conductor containing rare earth covering by cuprum: magnesium 0.5 ~ 1%, silicon 0.45%, RE 0.2%, all the other are aluminium and inevitable impurity.Described RE is mixed rare-earth elements, adopts cerium and yttrium mixing.Described aluminum-magnesium alloy conductor containing rare earth covering by cuprum diameter is 2 ~ 5mm, and the volume of described layers of copper is 10 ~ 20% of this aluminum-magnesium alloy conductor containing rare earth covering by cuprum, and the weight of described layers of copper is 30% of this aluminum-magnesium alloy conductor containing rare earth covering by cuprum.
The present invention is the technical scheme taked that solves the problem: the concrete steps of described method are as follows:
A, molten alloy liquid
Above-mentioned batching is put into fusing, refining under high temperature, after refining completes, it is incubated and filters; During described melting, the fire box temperature of the kettle furnace of automatic temperature controlling controls at 850 ~ 1000 DEG C, and temperature of aluminum liquid controls at 700 ~ 750 DEG C.
B, casting and crystallization
Steps A gained aluminium alloy is added after filtering the boron alloy crystal grain thinning being equivalent to aluminium alloy weight 0.002% ~ 0. O2%, then pour into aluminium alloy ingots.
C, rolling
Step B gained aluminium alloy ingots is rolled into aluminium alloy rod; Described rolling adopts Continuous mill train to be rolled, and to control breaking down temperature be 450 ~ 550 DEG C, and finishing temperature is 250 ~ 350 DEG C, and tandem mill cooling-lubricant total pressure controls at 0.1 ~ 0. 5MPa.
D, clad welded
Carry out coated layers of copper to the aluminium alloy rod of the rolling that step C obtains, coated layers of copper percent by volume consists of 10% ~ 20%.
E, wire drawing
Step D gained aluminium alloy rod is drawn into aluminium alloy wire; Described wire drawing adopts continuous drawing machine, and pull wire speed controls at 8 ~ 25 meter per seconds.
Embodiment 2
A kind of energy-efficient copper clad aluminum magnesium alloy wire and production method thereof, it is characterized in that this wire is made up of rare-earth-Al-Mg alloy heart yearn and the layers of copper be coated on described heart yearn, metallurgical binding between described layers of copper and rare-earth-Al-Mg alloy heart yearn, the proportioning of described aluminum-magnesium alloy conductor containing rare earth covering by cuprum: magnesium 0.7 ~ 1%, silicon 0.55 ~ 0.65%, RE 0.2% ~ 0.3%, all the other are aluminium and inevitable impurity.Described RE is mixed rare-earth elements, adopts the mixing of cerium, lanthanum.Described aluminum-magnesium alloy conductor containing rare earth covering by cuprum diameter is 5mm, and the volume of described layers of copper is 12% of this aluminum-magnesium alloy conductor containing rare earth covering by cuprum, and the weight of described layers of copper is 30% of this aluminum-magnesium alloy conductor containing rare earth covering by cuprum.
The present invention is the technical scheme taked that solves the problem: the concrete steps of described method are as follows:
A, molten alloy liquid
Above-mentioned batching is put into fusing, refining under high temperature, after refining completes, it is incubated and filters; During described melting, the fire box temperature of the kettle furnace of automatic temperature controlling controls at 850 ~ 1000 DEG C, and temperature of aluminum liquid controls at 700 ~ 750 DEG C.
B, casting and crystallization
Steps A gained aluminium alloy is added after filtering the boron alloy crystal grain thinning being equivalent to aluminium alloy weight 0.002% ~ 0. O2%, then pour into aluminium alloy ingots.
C, rolling
Step B gained aluminium alloy ingots is rolled into aluminium alloy rod; Described rolling adopts Continuous mill train to be rolled, and to control breaking down temperature be 450 ~ 550 DEG C, and finishing temperature is 250 ~ 350 DEG C, and tandem mill cooling-lubricant total pressure controls at 0.1 ~ 0. 5MPa.
D, clad welded
Carry out coated layers of copper to the aluminium alloy rod of the rolling that step C obtains, coated layers of copper percent by volume consists of 10% ~ 20%.
E, wire drawing
Step D gained aluminium alloy rod is drawn into aluminium alloy wire; Described wire drawing adopts continuous drawing machine, and pull wire speed controls at 8 ~ 25 meter per seconds.
Embodiment 3
A kind of energy-efficient copper clad aluminum magnesium alloy wire and production method thereof, it is characterized in that this wire is made up of rare-earth-Al-Mg alloy heart yearn and the layers of copper be coated on described heart yearn, metallurgical binding between described layers of copper and rare-earth-Al-Mg alloy heart yearn, the proportioning of described aluminum-magnesium alloy conductor containing rare earth covering by cuprum: magnesium 0.5%, silicon 0.65%, RE 0.5%, all the other are aluminium and inevitable impurity.Described RE is mixed rare-earth elements, adopts the mixing of cerium, lanthanum and yttrium.Described aluminum-magnesium alloy conductor containing rare earth covering by cuprum diameter is 4 ~ 5mm, and the volume of described layers of copper is 15 ~ 20% of this aluminum-magnesium alloy conductor containing rare earth covering by cuprum, and the weight of described layers of copper is 28 ~ 35% of this aluminum-magnesium alloy conductor containing rare earth covering by cuprum.
The present invention is the technical scheme taked that solves the problem: the concrete steps of described method are as follows:
A, molten alloy liquid
Above-mentioned batching is put into fusing, refining under high temperature, after refining completes, it is incubated and filters; During described melting, the fire box temperature of the kettle furnace of automatic temperature controlling controls at 850 ~ 1000 DEG C, and temperature of aluminum liquid controls at 700 ~ 750 DEG C.
B, casting and crystallization
Steps A gained aluminium alloy is added after filtering the boron alloy crystal grain thinning being equivalent to aluminium alloy weight 0.002% ~ 0. O2%, then pour into aluminium alloy ingots.
C, rolling
Step B gained aluminium alloy ingots is rolled into aluminium alloy rod; Described rolling adopts Continuous mill train to be rolled, and to control breaking down temperature be 450 ~ 550 DEG C, and finishing temperature is 250 ~ 350 DEG C, and tandem mill cooling-lubricant total pressure controls at 0.1 ~ 0. 5MPa.
D, clad welded
Carry out coated layers of copper to the aluminium alloy rod of the rolling that step C obtains, coated layers of copper percent by volume consists of 10% ~ 20%.
E, wire drawing
Step D gained aluminium alloy rod is drawn into aluminium alloy wire; Described wire drawing adopts continuous drawing machine, and pull wire speed controls at 8 ~ 25 meter per seconds.
Claims (2)
1. an energy-efficient copper clad aluminum magnesium alloy wire and production method thereof, it is characterized in that this wire is made up of rare-earth-Al-Mg alloy heart yearn and the layers of copper be coated on described heart yearn, metallurgical binding between described layers of copper and rare-earth-Al-Mg alloy heart yearn, the proportioning of described aluminum-magnesium alloy conductor containing rare earth covering by cuprum: magnesium 0.5 ~ 1%, silicon 0.45 ~ 0.65%, RE 0.2% ~ 0.5%, all the other are aluminium and inevitable impurity; Described RE is mixed rare-earth elements, and what usually adopt is one or more mixing of cerium, lanthanum and yttrium; Described aluminum-magnesium alloy conductor containing rare earth covering by cuprum diameter is 2 ~ 5mm, and the volume of described layers of copper is 10 ~ 20% of this aluminum-magnesium alloy conductor containing rare earth covering by cuprum, and the weight of described layers of copper is 25 ~ 35% of this aluminum-magnesium alloy conductor containing rare earth covering by cuprum.
2. a kind of energy-efficient copper clad aluminum magnesium alloy wire and production method thereof according to claim 1, is characterized in that the present invention is the technical scheme taked that solves the problem and is:
A, molten alloy liquid
Above-mentioned batching is put into fusing, refining under high temperature, after refining completes, it is incubated and filters; During described melting, the fire box temperature of the kettle furnace of automatic temperature controlling controls at 850 ~ 1000 DEG C, and temperature of aluminum liquid controls at 700 ~ 750 DEG C;
B, casting and crystallization
Steps A gained aluminium alloy is added after filtering the boron alloy crystal grain thinning being equivalent to aluminium alloy weight 0.002% ~ 0. O2%, then pour into aluminium alloy ingots;
C, rolling
Step B gained aluminium alloy ingots is rolled into aluminium alloy rod; Described rolling adopts Continuous mill train to be rolled, and to control breaking down temperature be 450 ~ 550 DEG C, and finishing temperature is 250 ~ 350 DEG C, and tandem mill cooling-lubricant total pressure controls at 0.1 ~ 0. 5MPa;
D, clad welded
Carry out coated layers of copper to the aluminium alloy rod of the rolling that step C obtains, coated layers of copper percent by volume consists of 10% ~ 20%;
E, wire drawing
Step D gained aluminium alloy rod is drawn into aluminium alloy wire; Described wire drawing adopts continuous drawing machine, and pull wire speed controls at 8 ~ 25 meter per seconds.
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| CN201410660981.2A CN104332212A (en) | 2014-11-19 | 2014-11-19 | Efficient and energy-saving copper-clad aluminum magnesium alloy wire and producing method thereof |
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| CN201410660981.2A CN104332212A (en) | 2014-11-19 | 2014-11-19 | Efficient and energy-saving copper-clad aluminum magnesium alloy wire and producing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355322A (en) * | 2015-11-09 | 2016-02-24 | 江西安讯实业股份有限公司 | Method for making tinned copper clad aluminum wire |
| CN106782843A (en) * | 2016-11-30 | 2017-05-31 | 安徽电气集团股份有限公司 | A kind of copper-clad steel core copper stranded conductor |
| CN106782742A (en) * | 2016-11-30 | 2017-05-31 | 安徽电气集团股份有限公司 | A kind of albronze twisted wire |
| CN106834759A (en) * | 2016-12-30 | 2017-06-13 | 东莞市佳乾新材料科技有限公司 | A kind of processing method of high-strength high-tractility magnadure |
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| CN101202130A (en) * | 2007-12-06 | 2008-06-18 | 崔晓明 | Aluminum-magnesium alloy conductor containing rare earth covering by cuprum as well as manufacturing method and usage thereof |
| CN101740157A (en) * | 2008-11-20 | 2010-06-16 | 上海中天铝线有限公司 | Aluminium-alloy conductor and manufacture method thereof |
| US20120170900A1 (en) * | 2011-01-05 | 2012-07-05 | Alcan Products Corporation | Aluminum Alloy Conductor Composite Reinforced for High Voltage Overhead Power Lines |
| CN103021501A (en) * | 2012-12-19 | 2013-04-03 | 浙江格雷电工有限公司 | Copper-clad aluminum alloy composite conducting wire and preparation method thereof |
| CN103400640A (en) * | 2013-08-12 | 2013-11-20 | 丹阳利华电子有限公司 | Thermometal compound flat wire |
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2014
- 2014-11-19 CN CN201410660981.2A patent/CN104332212A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101202130A (en) * | 2007-12-06 | 2008-06-18 | 崔晓明 | Aluminum-magnesium alloy conductor containing rare earth covering by cuprum as well as manufacturing method and usage thereof |
| CN101740157A (en) * | 2008-11-20 | 2010-06-16 | 上海中天铝线有限公司 | Aluminium-alloy conductor and manufacture method thereof |
| US20120170900A1 (en) * | 2011-01-05 | 2012-07-05 | Alcan Products Corporation | Aluminum Alloy Conductor Composite Reinforced for High Voltage Overhead Power Lines |
| CN103021501A (en) * | 2012-12-19 | 2013-04-03 | 浙江格雷电工有限公司 | Copper-clad aluminum alloy composite conducting wire and preparation method thereof |
| CN103400640A (en) * | 2013-08-12 | 2013-11-20 | 丹阳利华电子有限公司 | Thermometal compound flat wire |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355322A (en) * | 2015-11-09 | 2016-02-24 | 江西安讯实业股份有限公司 | Method for making tinned copper clad aluminum wire |
| CN106782843A (en) * | 2016-11-30 | 2017-05-31 | 安徽电气集团股份有限公司 | A kind of copper-clad steel core copper stranded conductor |
| CN106782742A (en) * | 2016-11-30 | 2017-05-31 | 安徽电气集团股份有限公司 | A kind of albronze twisted wire |
| CN106834759A (en) * | 2016-12-30 | 2017-06-13 | 东莞市佳乾新材料科技有限公司 | A kind of processing method of high-strength high-tractility magnadure |
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Application publication date: 20150204 |