CN106498199B - A kind of production method of high-strength aluminum alloy conductive material - Google Patents
A kind of production method of high-strength aluminum alloy conductive material Download PDFInfo
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- CN106498199B CN106498199B CN201610944928.4A CN201610944928A CN106498199B CN 106498199 B CN106498199 B CN 106498199B CN 201610944928 A CN201610944928 A CN 201610944928A CN 106498199 B CN106498199 B CN 106498199B
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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
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Abstract
The present invention discloses a kind of production method of high-strength aluminum alloy conductive material, includes the following steps A：Aluminium ingot is put into smelting equipment and is heated, until melting completely；B:Temperature is controlled to stablize, addition silicon addition, Mg, Fe, B or Cu, and passing through stirring uniformly disperses alloying element；C：After alloying element fully dissolves, nitrogen degasification removal of impurities is filled with to molten aluminum；D：After gained molten aluminum is stood a period of time, molten aluminum is poured into a mould；E：Obtained aluminum alloy materials are carried out with performance detection, it is underproof to repeat process above until qualified.The manufacture craft of the present invention is simple, process control is easy, aluminium alloy cable obtained is light-weight, installation process is light, with respect to copper cabling, cost of manufacture reduces, aluminium alloy cable produce, install it is all safer, it is even more to have absolute advantage in economic benefit, can preferably promotes the development of cable plate industry.
Description
Technical field
The invention belongs to metallurgical technology fields, are related to a kind of high-strength aluminum alloy conduction material simple in structure, easy to use
The production method of material.
Background technology
In recent years, expanding economy speed in China's was always maintained at comparatively fast increasing, while as scale of urbanization constantly expands
, the electricity consumption demand in China shows overall upward trend, but the market advantage of traditional cable is but gradually being reduced, aluminium
Alloy cable shows absolute advantage with respect to traditional cable in economic benefit, while shows on material property good curved
Qu Xingneng, creep-resistant property and corrosion resistance can ensure that cable in long term overloading and overheat, keeps continuous performance
Stablize so that its market competitiveness just gradually enhances.
Under same volume, the actual weight of aluminium alloy is about 1/3rd of copper, in the building wiring of large span
The advantage of aluminium alloy cable is more obvious, and aluminium alloy cable can support the dead weight of 3000 meters of length, and copper cable can only support 1700
Rice or so；With respect to copper cabling, in identical current-carrying capacity, the weight of aluminium alloy cable is about the half of copper cabling,
Copper cable is replaced using aluminium alloy cable, not only can largely mitigate the weight of cable, reduces installation cost, reduces equipment
With the abrasion of cable, installment work is lighter, and is even more to have absolute advantage, therefore, led to aluminium alloy in economic benefit
The research and development of electric material is significant.
Invention content
The purpose of the present invention is to provide a kind of production methods of high-strength aluminum alloy conductive material simple for process.
The object of the present invention is achieved like this, includes the following steps A：Aluminium ingot melting, B:Add alloying element, C：It is molten
Solution removal of impurities, D：Calmness cast, E：Performance detection,
A：Aluminium ingot melting
Aluminium ingot is put into smelting equipment and is heated, until melting completely；
B:Add alloying element
Temperature is controlled to stablize, addition silicon addition, Mg, Fe, B or Cu, and passing through stirring uniformly disperses alloying element；
C：Dissolving removal of impurities
After alloying element fully dissolves, nitrogen degasification removal of impurities is filled with to molten aluminum；
D：Calmness cast
After gained molten aluminum is stood a period of time, molten aluminum is poured into a mould；
E：Performance detection
Obtained aluminum alloy materials are carried out with performance detection, it is underproof to repeat process above until qualified.
The manufacture craft of the present invention is simple, and process control is easy, and aluminium alloy cable obtained is light-weight, and installation process is light
Just, with respect to copper cabling, cost of manufacture reduces, aluminium alloy cable produce, install it is all safer, in economic benefit more
It is to have absolute advantage, can preferably promotes the development of cable plate industry.
Description of the drawings
Fig. 1 is present invention process flow diagram.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings, but the present invention must not be limited in any way,
Based on present invention teach that any changes and modifications made, all belong to the scope of protection of the present invention.
As shown in Figure 1, the present invention includes the following steps A：Aluminium ingot melting, B:Add alloying element, C：Dissolving removal of impurities, D：
Calmness cast, E：Performance detection,
A：Aluminium ingot melting
Aluminium ingot is put into smelting equipment and is heated, until melting completely；
B:Add alloying element
Temperature is controlled to stablize, addition silicon addition, Mg, Fe, B or Cu, and passing through stirring uniformly disperses alloying element；
C：Dissolving removal of impurities
After alloying element fully dissolves, slagging agent is added in, nitrogen degasification removal of impurities is filled with to molten aluminum；
D：Calmness cast
After gained molten aluminum is stood a period of time, molten aluminum is poured into a mould；
E：Performance detection
Obtained aluminum alloy materials are carried out with performance detection, it is underproof to repeat process above until qualified.
Heating temperature in step A is 900 ~ 1000 DEG C.
Control temperature stabilization is at 700 ~ 750 DEG C after melting in step A.
The mass percent that the mass percent of elements Si in step B is 0.06% ~ 0.6%, Mg is 0.06% ~ 0.6%, Fe
Mass percent be 0.3% ~ 0.6%, B mass percent be 6.6% ~ 20%, Cu mass percent be 0.06% ~ 0.6%.
Nitrogen in step C is filled with time control in 5 ~ 20min.
Molten aluminum time of repose is 5 ~ 30min in step D.
The control of molten aluminum dwell temperature is 680 ~ 700 DEG C in step D.
Specific embodiment
Embodiment 1
The aluminium ingot of 1.5Kg is added in crucible（99.7%）, device temperature is controlled at 950 DEG C, after aluminium ingot is completely melt, is used
Hand-held temperature measuring equipment measures temperature of aluminum liquid, when temperature is at 740 DEG C, adds silicon 7g, chalybeate（75% chalybeate）7g, copper（5.3% aluminium
Copper intermediate alloy）3g stirs 3min, when thermometric is reduced to 720 DEG C, adds magnesium 8g, B element（0.34% aluminium boron intermediate alloy）Add
Add 100g, stir 3min, after alloying element is completely dissolved, add in slagging agent, be passed through nitrogen 10min and carry out slag hitting, degasification, work as temperature
Degree is reduced to 695 DEG C, stands 10min, is poured into a mould, then pouring piece is processed, and performance is detected, tension is strong
Degree reaches 270MPa-285MPa, elongation percentage 3.5%-5%, 0.02935 Ω .mm of resistivity2/m-0.02979Ω.mm2/m。
Embodiment 2
The aluminium ingot of 1.5Kg is added in crucible（99.7%）, device temperature is controlled at 1000 DEG C, after aluminium ingot is completely melt, is used
Hand-held temperature measuring equipment measures temperature of aluminum liquid, when temperature is at 750 DEG C, adds silicon 1g, chalybeate（75% chalybeate）10g, copper（5.3% aluminum bronze
Intermediate alloy）5g stirs 3min, when thermometric is reduced to 700 DEG C, adds magnesium 1g, B element（0.34% aluminium boron intermediate alloy）Addition
200g stirs 3min, after alloying element is completely dissolved, adds in slagging agent, is passed through nitrogen 5min and carries out slag hitting, degasification, works as temperature
680 DEG C are reduced to, 30min is stood, is poured into a mould, then pouring piece is processed, and its performance is detected, tensile strength
Reach 233MPa-250MPa, elongation percentage 5%-7%, 0.02905 Ω .mm of resistivity2/m-0.02930Ω.mm2/m。
Embodiment 3
The aluminium ingot of 1.5Kg is added in crucible（99.7%）, device temperature is controlled at 900 DEG C, after aluminium ingot is completely melt, is used
Hand-held temperature measuring equipment measures temperature of aluminum liquid, when temperature is at 700 DEG C, adds silicon 10g, chalybeate（75% chalybeate）5g, copper（5.3% aluminum bronze
Intermediate alloy）1g adds magnesium 10g, B element（0.34% aluminium boron intermediate alloy）300g is added, stirs 3min, alloying element is complete
After dissolving, slagging agent is added in, nitrogen 20min is passed through and carries out slag hitting, degasification, when temperature is reduced to 700 DEG C, standing 5min is carried out
Cast, then pouring piece is processed, and its performance is detected, tensile strength reaches 220MPa-230MPa, elongation percentage
5%-7%, 0.02915 Ω .mm of resistivity2/m-0.02920Ω.mm2/m。
Claims (2)
1. a kind of production method of high-strength aluminum alloy conductive material, it is characterised in that include the following steps：
A, aluminium ingot melting：Aluminium ingot is put into smelting equipment and is heated, until melting completely；
B, alloying element is added：Temperature stabilization is controlled at 700 ~ 750 DEG C, addition silicon addition, Mg, Fe, B and Cu, the matter of Si
The mass percent that the mass percent that amount percentage is 0.06% ~ 0.6%, Mg is 0.06% ~ 0.6%, Fe is 0.3% ~ 0.6%, B's
The mass percent that mass percent is 6.6% ~ 20%, Cu is 0.06% ~ 0.6%, and passing through stirring uniformly disperses alloying element；
C, dissolving removal of impurities：After alloying element fully dissolves, slagging agent is added in, nitrogen degasification removal of impurities is filled with to molten aluminum, nitrogen is filled with
Time control is in 5 ~ 20min；D, calm cast：By gained molten aluminum after 680 ~ 700 DEG C stand 5 ~ 30min, molten aluminum is poured into a mould；
E, performance detection：Obtained aluminum alloy materials are carried out with performance detection, it is underproof to repeat process above until qualified.
2. production method according to claim 1, it is characterised in that the temperature heated described in step A is 900 ~ 1000 DEG C.
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| CN201610944928.4A CN106498199B (en) | 2016-11-02 | 2016-11-02 | A kind of production method of high-strength aluminum alloy conductive material |
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| CN201610944928.4A CN106498199B (en) | 2016-11-02 | 2016-11-02 | A kind of production method of high-strength aluminum alloy conductive material |
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| CN106498199A CN106498199A (en) | 2017-03-15 |
| CN106498199B true CN106498199B (en) | 2018-06-19 |
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|---|---|---|---|---|
| CN102471837A (en) * | 2009-07-06 | 2012-05-23 | 矢崎总业株式会社 | Electric wire or cable |
| CN102634695A (en) * | 2012-04-26 | 2012-08-15 | 远东电缆有限公司 | High-conductivity non-heat-treatment type moderate-intensity aluminum alloy wire and production method thereof |
| CN102952976A (en) * | 2011-08-23 | 2013-03-06 | 东莞市东兴铝材制造有限公司 | Automobile refrigerator boronized aluminum alloy and its preparation technology |
| CN103052729A (en) * | 2010-07-20 | 2013-04-17 | 古河电气工业株式会社 | Aluminium alloy conductor and manufacturing method for same |
| CN106057273A (en) * | 2015-05-13 | 2016-10-26 | 江苏亨通电力特种导线有限公司 | High strength heat resistant aluminum alloy wire |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63247334A (en) * | 1987-04-03 | 1988-10-14 | Showa Alum Corp | Aluminum alloy for extrusion having excellent surface smoothness |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102471837A (en) * | 2009-07-06 | 2012-05-23 | 矢崎总业株式会社 | Electric wire or cable |
| CN103052729A (en) * | 2010-07-20 | 2013-04-17 | 古河电气工业株式会社 | Aluminium alloy conductor and manufacturing method for same |
| CN102952976A (en) * | 2011-08-23 | 2013-03-06 | 东莞市东兴铝材制造有限公司 | Automobile refrigerator boronized aluminum alloy and its preparation technology |
| CN102634695A (en) * | 2012-04-26 | 2012-08-15 | 远东电缆有限公司 | High-conductivity non-heat-treatment type moderate-intensity aluminum alloy wire and production method thereof |
| CN106057273A (en) * | 2015-05-13 | 2016-10-26 | 江苏亨通电力特种导线有限公司 | High strength heat resistant aluminum alloy wire |
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Address after: 650031 No. 86 Yuantong North Road, Yunnan, Kunming Patentee after: Kunming Metallurgical Research Institute Co., Ltd Address before: 650031 No. 86 Yuantong North Road, Yunnan, Kunming Patentee before: Kunming Metallurgical Research Institute |