CN108642337A - A kind of electrician is with 8030 aluminium alloy rods and its manufacturing process - Google Patents
A kind of electrician is with 8030 aluminium alloy rods and its manufacturing process Download PDFInfo
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- CN108642337A CN108642337A CN201810666094.4A CN201810666094A CN108642337A CN 108642337 A CN108642337 A CN 108642337A CN 201810666094 A CN201810666094 A CN 201810666094A CN 108642337 A CN108642337 A CN 108642337A
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- aluminium alloy
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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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- 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
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- Continuous Casting (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses a kind of electricians with 8030 aluminium alloy rods and its manufacturing process, includes the following steps：(1) it melts：Aluminium ingot is put into melting furnace and carries out fully heating until melting into molten aluminum, feature is high temperature, rapidly, continuously melts, and aluminum melt flows out under the effect of gravity；(2) alloying, refining：The other elements alloy pig and aluminum melt that prepare are put into holding furnace and are thoroughly mixed, aluminum melt temperature is promoted to 700 800 DEG C, by Alloying Treatment, degasification, slagging-off, improves the cleannes of aluminium alloy melt, alloying component is made to meet technological requirement；(3) continuous casting and rolling is carried out in conticaster, tandem mill；(4) it is coiled that pole stock is finally carried out in winder.The present invention is by optimizing aluminum alloy chemical composition and base material composition, the refining agitating mode etc. of aluminium intermediate alloy ingredient, aluminium alloy melt, and according to process practice adjusting component and pouring temperature, breaking down temperature, finishing temperature, obtain the aluminium alloy rod of electric property and satisfactory mechanical property.
Description
Technical field
The present invention relates to aluminium alloy technology field more particularly to a kind of 8030 aluminium alloy rods of electrician and its manufacture works
Skill.
Background technology
8030 aluminium alloy inventions are in the U.S. in last century, to the 1980's, start the conductor for being used as low-voltage cable for building.
8030 aluminium alloy rods be according to made of al alloy component as defined in American Society Testing and Materials standard ASTMB800, it is main special
Property for creep-resistant property it is good, be suitable for manufacture electrical applications product.Add within 2005 aluminium company to set up factories in Tianjin and produces 8000 series
Aluminium alloy cable opens the process of Chinese market scale application.Electric wire year copper consumption in China's is huge, and import relies on
Degree is 70%, and domestic aluminum production ability is superfluous, and product library storage is big.The popularization and application of aluminium alloy cable product can be reduced
The consumption of copper dissolves electrolytic aluminium production capacity, reduces electrolytic aluminium warehousing pressure, improves the effective rate of utilization of resource.With market pair
The dosage of the gradual approval of 8030 aluminium alloy capabilities, 8030 aluminium alloys will constantly increase.Aluminum alloy pole material be manufacture wire rod and
The blank of twisted wire directly affects later process and the quality of semi-products.System of the Some Domestic cables manufacturing quotient without 8030 pole stocks
Ability is made, 8030 aluminium alloy rods need to be purchased from the market, but because of the detectability that its own does not have al alloy component, to lack
The weary control ability to follow-up final product quality.
Invention content
It is an object of the invention to solve cannot to manufacture the defect of 8030 pole stocks at present, a kind of 8030 aluminium of electrician are provided
Rod of metal alloy and its manufacturing process.
The present invention is achieved by the following technical solutions：A kind of 8030 aluminium alloy rods of electrician, including following quality hundred
Divide and compares raw material：
One of preferred embodiment as the present invention, the materials in percentage by mass is
The invention also discloses a kind of electrician manufacturing process of 8030 aluminium alloy rods, include the following steps：
(1) it melts：Will aluminium ingot put into melting furnace in carry out fully heating until melt at molten aluminum, feature be high temperature, quickly,
Continuous melting, aluminum melt flow out under the effect of gravity；
(2) alloying, refining：It is mixed by being sufficiently stirred in the other elements alloy pig and aluminum melt that prepare input holding furnace
It closes, promotes aluminum melt temperature to 700-800 DEG C, by Alloying Treatment, degasification, slagging-off, improve the cleannes of aluminium alloy melt,
Alloying component is set to meet technological requirement；
(3) continuous casting and rolling is carried out in conticaster, tandem mill；
(4) it is coiled that pole stock is finally carried out in winder.
One of preferred embodiment as the present invention, the step (2) is middle to use magnetic agitation mode.
As one of the preferred embodiment of the present invention, it is passed through inert gas in the holding furnace, or pour holding furnace is subsequent
Online depassing unit is set in packet, inert gas is passed through into aluminium alloy melt, realizes on-line continuous degasification.
One of preferred embodiment as the present invention, uses automatic casting technology, is capable of providing in the conticaster, tandem mill
Constant temperature, constant current aluminium alloy melt, the uniform strand of forming properties.
The present invention compared with prior art the advantages of be：The present invention is by optimizing aluminum alloy chemical composition and base material (industry
Fine aluminium) ingredient, aluminium intermediate alloy ingredient, aluminium alloy melt refining agitating mode etc., and according to process practice adjusting component and
Pouring temperature, breaking down temperature, finishing temperature, obtain the aluminium alloy rod of electric property and satisfactory mechanical property.
Specific implementation mode
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment one：
A kind of 8030 aluminium alloy rods of electrician, including following materials in percentage by mass：
Embodiment two：
A kind of 8030 aluminium alloy rods of electrician, including following materials in percentage by mass：
Embodiment three：
A kind of 8030 aluminium alloy rods of electrician, including following materials in percentage by mass：
The invention also discloses a kind of electrician manufacturing process of 8030 aluminium alloy rods, include the following steps：
(1) it melts：Will aluminium ingot put into melting furnace in carry out fully heating until melt at molten aluminum, feature be high temperature, quickly,
Continuous melting, aluminum melt flow out under the effect of gravity；
(2) alloying, refining：It is mixed by being sufficiently stirred in the other elements alloy pig and aluminum melt that prepare input holding furnace
It closes, promotes aluminum melt temperature to 700-800 DEG C, by Alloying Treatment, degasification, slagging-off, improve the cleannes of aluminium alloy melt,
Alloying component is set to meet technological requirement；
(3) continuous casting and rolling is carried out in conticaster, tandem mill；
(4) it is coiled that pole stock is finally carried out in winder.
One of preferred embodiment as the present invention, the step (2) is middle to use magnetic agitation mode.
As one of the preferred embodiment of the present invention, it is passed through inert gas in the holding furnace, or pour holding furnace is subsequent
Online depassing unit is set in packet, inert gas is passed through into aluminium alloy melt, realizes on-line continuous degasification.
One of preferred embodiment as the present invention, uses automatic casting technology, is capable of providing in the conticaster, tandem mill
Constant temperature, constant current aluminium alloy melt, the uniform strand of forming properties.
It is the strengthening mechanism of various elements below：
Cu is added in 8030 aluminium alloys as solute element, and solid solution, the original of solute element are formed with matrix element Al
Sub- radius is more than or less than solvent element, and the atomic radius of invigoration effect all having the same, Cu is smaller than aluminium by 10.7%, has solid
Molten invigoration effect.Because the addition of Cu is between 0.18%~0.30%, it is much smaller than limit solid solubility 5.5% of the Cu in Al,
Single-phase is formed in solid solution, and there is strengthening effect.Since Al-Cu solid solution is less than solid solubility limit, in an annealed state not
It can be precipitated, it is not heat-treatable strengthened, it can only be processed and be strengthened by cold-working.
Fe exists in Al usually as impurity.Fe in 8030 aluminium alloys is one of main alloying element, and Fe is in aluminium
Solubility is high in liquid, and the limit solid solubility in solid-state Al is small, and about 0.04%.In solid-state, the overwhelming majority is (more than 0.04%
Part) Fe combined with Al elements as the second phase intermetallic compound, formed FeAl3, in an annealed state, intensity can be improved
And creep resistance.
Rare earth element ce is added in the form of mischmetal as micro additive, and rare earth reinforced is using Al-Fe as base
Body phase is added to micro Ce, and symbiosis and epibiosis, effectively pin dislocation can be kept to stablize substructure, crystal boundary is prevented to slide with matrix Al
It moves；It can inhibit matrix recrystallization simultaneously, improve matrix recrystallization temperature.Rare-Earth Element Chemistry activity is stronger, with FeAl3It is formed
The rare earth compound of good thermal stability radially distributes in grain boundaries, and energy efficient hardening crystal boundary improves the high temperatures of alloy
Energy.Rare earth element is the transition element for having minimum reaching ability solid solubility and solid-state diffusion coefficient, in subsequent processing
In the process, be in small and dispersed meta-stable hardening constituent be precipitated, delay the sliding of crystal boundary so that 8030 aluminium alloys annealing after have compared with
Good intensity.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (6)
1. a kind of 8030 aluminium alloy rods of electrician, which is characterized in that including following materials in percentage by mass：
2. 8030 aluminium alloy rods of electrician according to claim 1, which is characterized in that the materials in percentage by mass is
3. a kind of manufacturing process according to any 8030 aluminium alloy rods of electrician of claim 1-2, which is characterized in that packet
Include following steps：
(1) it melts：Aluminium ingot is put into melting furnace and carries out fully heating until melting into molten aluminum, feature is high temperature, rapidly, continuously
Fusing, aluminum melt flow out under the effect of gravity；
(2) alloying, refining：The other elements alloy pig and aluminum melt that prepare are put into holding furnace and are thoroughly mixed,
Aluminum melt temperature is promoted to 700-800 DEG C, by Alloying Treatment, degasification, slagging-off, the cleannes of aluminium alloy melt is improved, makes
Alloying component meets technological requirement；
(3) continuous casting and rolling is carried out in conticaster, tandem mill；
(4) it is coiled that pole stock is finally carried out in winder.
4. 8030 aluminium alloy rods of electrician according to claim 3, which is characterized in that use magnetic force in the step (2)
Agitating mode.
5. 8030 aluminium alloy rods of electrician according to claim 3, which is characterized in that be passed through indifferent gas in the holding furnace
Body, or online depassing unit is set in the subsequent casting ladle of holding furnace, it is passed through inert gas into aluminium alloy melt, realizes
The continuous degasification of line.
6. 8030 aluminium alloy rods of electrician according to claim 3, which is characterized in that adopted in the conticaster, tandem mill
With automatic casting technology, be capable of providing constant temperature, constant current aluminium alloy melt, the uniform strand of forming properties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810666094.4A CN108642337A (en) | 2018-06-26 | 2018-06-26 | A kind of electrician is with 8030 aluminium alloy rods and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810666094.4A CN108642337A (en) | 2018-06-26 | 2018-06-26 | A kind of electrician is with 8030 aluminium alloy rods and its manufacturing process |
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| CN108642337A true CN108642337A (en) | 2018-10-12 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010275586A (en) * | 2009-05-28 | 2010-12-09 | Mitsubishi Alum Co Ltd | Aluminum alloy foil for electrolytic capacitor cathode and method for producing the same |
| CN103276257A (en) * | 2013-06-20 | 2013-09-04 | 深圳深缆科技有限公司 | Aluminum alloy conductor rod for electrician |
| CN104032191A (en) * | 2014-06-24 | 2014-09-10 | 江苏长峰电缆有限公司 | Energy-saving high-elongation soft aluminum alloy wire and preparation method thereof |
| CN104532067A (en) * | 2014-12-12 | 2015-04-22 | 华北电力大学 | Non-heat treatment medium-strength aluminum alloy conductor material and preparation method thereof |
| CN105950896A (en) * | 2016-05-16 | 2016-09-21 | 贵州电网有限责任公司电力科学研究院 | High-conductivity high-mechanical-property 8030 series electrician round aluminum rod and preparation method thereof |
-
2018
- 2018-06-26 CN CN201810666094.4A patent/CN108642337A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010275586A (en) * | 2009-05-28 | 2010-12-09 | Mitsubishi Alum Co Ltd | Aluminum alloy foil for electrolytic capacitor cathode and method for producing the same |
| CN103276257A (en) * | 2013-06-20 | 2013-09-04 | 深圳深缆科技有限公司 | Aluminum alloy conductor rod for electrician |
| CN104032191A (en) * | 2014-06-24 | 2014-09-10 | 江苏长峰电缆有限公司 | Energy-saving high-elongation soft aluminum alloy wire and preparation method thereof |
| CN104532067A (en) * | 2014-12-12 | 2015-04-22 | 华北电力大学 | Non-heat treatment medium-strength aluminum alloy conductor material and preparation method thereof |
| CN105950896A (en) * | 2016-05-16 | 2016-09-21 | 贵州电网有限责任公司电力科学研究院 | High-conductivity high-mechanical-property 8030 series electrician round aluminum rod and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 井佳明，等: "8030铝合金连铸连轧导电铝杆的工艺研究", 《有色金属加工》 * |
| 於国良，等: "电工用8030铝合金杆的制造工艺与性能控制", 《电线电缆》 * |
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Application publication date: 20181012 |