CN105734351A - Aluminum alloy conductor for vehicle wire and production method for aluminum alloy conductor - Google Patents
Aluminum alloy conductor for vehicle wire and production method for aluminum alloy conductor Download PDFInfo
- Publication number
- CN105734351A CN105734351A CN201610161946.5A CN201610161946A CN105734351A CN 105734351 A CN105734351 A CN 105734351A CN 201610161946 A CN201610161946 A CN 201610161946A CN 105734351 A CN105734351 A CN 105734351A
- Authority
- CN
- China
- Prior art keywords
- aluminum
- aluminium alloy
- conductor
- alloy
- aluminum alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
Abstract
The invention discloses an aluminum alloy conductor for a vehicle wire and a production method for the aluminum alloy conductor. The aluminum alloy conductor for the vehicle wire is produced from the following components in percentage by mass: 0.3-0.8wt% of iron, 0.15-0.3wt% of copper, 0.04-0.1wt% of silicon, 0.005-0.02wt% of boron and the balance aluminum and inevitable impurities. According to the aluminum alloy conductor and the production method, as for the designed aluminum alloy conductor, the tensile strength is above 110MPa, the conductivity is above 58 percent IACS, the elongation at break is above 12 percent, and the strength and the resistance of an aluminum alloy stranded wire core reach the using requirements of the vehicle wire under the condition of ensuring excellent processability of the conductor without adding a magnesium element.
Description
Technical field
The present invention relates to a kind of automobile electric wire aluminium alloy conductor and preparation method thereof.
Background technology
Global Temperature raises and atmospheric pollution is subject to various countries and pays close attention to, and industrially developed country specifies more harsh for vehicle fuel quality and discharge capacity, and the exploitation of energy-saving and emission-reduction and automotive light weight technology becomes very urgent.In order to reduce automobile emission amount and reduce fuel oil consumption, reduce vehicle weight and become first-selected means.Wherein, automobile electric wire lightweight is exactly a kind of solution preferably.At present, what automobile wire conductor adopted substantially is copper conductor electric wire, but copper conductor electric wire heavier-weight in same cross-sectional situation, and also China's copper resource relatively lacks.
Chinese patent application publication No. CN101923908A (Shen Qing Publication day 2010.12.22) is had to disclose a kind of aluminium alloy conductor for automotive wires and manufacture method thereof at present, but the component proportion of this patent is unreasonable, needing to add magnesium elements, performance is also impacted.
Summary of the invention
An object of the present invention is in that the above-mentioned deficiency for prior art and defect, a kind of automobile electric wire aluminium alloy conductor is provided, the two of the purpose of the present invention are in that the preparation method providing a kind of automobile electric wire aluminium alloy conductor, automobile electric wire aluminium alloy conductor is relative to traditional copper conductor electric wire, in same cross-sectional situation, weight has the minimizing of nearly 60%, and when ensureing identical with copper conductor electric wire current-carrying capacity, electric wire weight has the minimizing of nearly 40%.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of automobile electric wire aluminium alloy conductor, it is characterised in that the mass percent proportioning of aluminium alloy conductor is: the ferrum of 0.3～0.8wt%, the copper of 0.15～0.3wt%, the silicon of 0.04～0.1wt%, the boron of 0.005～0.02wt%, all the other are aluminum and inevitable impurity.
The preparation method of a kind of automobile electric wire aluminium alloy conductor, comprises the following steps:
1) aluminium ingot melted and be incubated, first being warming up to 700～740 DEG C to be melted by aluminium ingot, be incubated at 740～760 DEG C by aluminum liquid afterwards, in the aluminium ingot of addition, aluminum content is more than 99.7%, silicone content is between 0.04～0.1wt%, and manganese, titanium, vanadium, chromium total content are not more than 0.01%；
2) by ferrum, copper, boron, silicon is added sequentially in aluminum water as alloying element, and silicon content is the silicone content of aluminium ingot own, ferrum, copper, boron add with the form of ferro-aluminum intermediate alloy, aluminum bronze intermediate alloy, aluminum boron intermediate alloy respectively, and adopt electromagnetic agitation mode to be sufficiently stirred for, it is ensured that the uniformity of aluminum alloy melt composition；
3) after the completely melted and sufficiently conducted stirring of alloying element, addition refining agent, deslagging agent carry out refine, slagging-off, and waste residue are clawed holding furnace, after being incubated 20 minutes, take part aluminum alloy melt, use spectrogrph to carry out stokehold fast component detection, it is ensured that composition meets technological requirement；
4) being come out of the stove by satisfactory for composition aluminum alloy melt, through direct casting, cast temperature 680～710 DEG C, be cooled to aluminium alloy ingots, the aluminium alloy ingots after cooling enters to roll temperature and controls at 480～520 DEG C；
5) becoming diameter to be 9.5mm aluminium alloy rod through continuous rolling quantity-produced aluminium alloy ingots, temperature of putting away sports equipment controls at 250～320 DEG C；
6) aluminium alloy rod is become aluminium alloy single line through wire drawing, and by being twisted into aluminium alloy stranded conductor, afterwards in the lehr through 300～340 DEG C, the annealing of 6～12h, obtain automobile electric wire aluminium alloy conductor.
The present invention is without adding magnesium elements, and the elongation at break of alloy and conductivity increase, and tensile strength also meets performance requirement.
The ferrum that the present invention adds in the alloy, primarily serves the effect of reinforced aluminium alloy intensity, adds the ferrum of certain content, it is possible to play solid solution strengthening effect.Owing to ferrum is less on the impact of the electrical conductivity of aluminum, so in order to prevent electrical conductivity from declining to a great extent, carrying out again the raising of intensity, so adopting ferrum as main alloying element.The processing characteristics of alloy is easily worsened, so the content adding ferrum controls at 0.3～0.8wt% owing to adding substantial amounts of ferrum.
The present invention adds a small amount of copper in the alloy, is primarily due to copper and plays solution strengthening effect, CuAl in aluminum substrate2There is obvious ageing strengthening effect, adding copper, it is possible to reduce the addition of ferrum, thus improving the processing characteristics of alloy.But owing to the electrical conductivity of aluminium alloy is had obvious deterioration effect by copper, so the content adding copper need to control in certain limit.
In order to improve the processing characteristics of aluminium alloy, present invention adds a certain amount of boron element, boron mainly plays the effect of refinement cast sturcture and seam organization in aluminum substrate, reduces the tearing tendency of alloy, improves the mechanical property of aluminium alloy.
Conductor thread core after stranded, is carried out 300～340 DEG C by multifilament by the present invention in the lehr, and the annealing of 8～12h selects this temperature range and annealing time, it is possible to effectively eliminate alloy structure internal stress, improves alloy conductive rate and pliability further.
Owing to have employed technical scheme as above, the beneficial effects of the present invention is: through the aluminium alloy conductor of design, tensile strength is at more than 110MPa, electrical conductivity is at more than 58%IACS, elongation at break is more than 12%, when ensureing that the processing characteristics of conductor own is excellent, it is ensured that the intensity of the stranded core of aluminium alloy and resistance reach the instructions for use of automobile electric wire, and without adding magnesium elements.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be easy to understand, the present invention is further elucidated below.
Embodiment one
A kind of aluminium alloy conductor for automotive wires, the mass percent proportioning of described aluminium alloy conductor is:
Mass fraction is the ferrum of 0.3～0.8wt%, and ferrum element can be chosen as 0.3%, 0.45%, 0.6%, 0.75%.The silicon of 0.04～0.1wt%, element silicon can be chosen as 0.04%, and 0.06%, 0.08%, the copper of 0.1～0.3wt%, it is possible to select 0.15%, 0.2%, 0.25%, the boron of 0.005～0.02wt%, it is possible to select 0.01%, 0.02%, all the other are aluminum and inevitable impurity.
Embodiment two
A kind of manufacture method of automobile electric wire aluminium alloy conductor, step is:
Aluminium ingot is melted and is incubated, first being warming up to 700～740 DEG C to be melted by aluminium ingot, be incubated at 740～760 DEG C by aluminum liquid afterwards, in the aluminium ingot of addition, aluminum content is more than 99.7%, silicone content is between 0.04～0.1wt%, and manganese, titanium, vanadium, chromium total content are not more than 0.01%.；
By ferrum, copper, boron, silicon is added sequentially in aluminum water as alloying element, and silicon content is the silicone content of aluminium ingot own, ferrum, copper, boron add with the form of ferro-aluminum intermediate alloy, aluminum bronze intermediate alloy, aluminum boron intermediate alloy respectively, and adopt electromagnetic agitation mode to be sufficiently stirred for, it is ensured that the uniformity of aluminum alloy melt composition；
After the completely melted and sufficiently conducted stirring of alloying element, addition refining agent, deslagging agent carry out refine, slagging-off, and waste residue are clawed holding furnace, after being incubated 20 minutes, take part aluminum alloy melt, use spectrogrph to carry out stokehold fast component detection, it is ensured that composition meets technological requirement；
Being come out of the stove by satisfactory for composition aluminum alloy melt, through direct casting, cast temperature 680～710 DEG C, be cooled to aluminium alloy ingots, the aluminium alloy ingots after cooling enters to roll temperature and controls at 480～520 DEG C；
Becoming diameter to be 9.5mm aluminium alloy rod through continuous rolling quantity-produced aluminium alloy ingots, temperature of putting away sports equipment controls at 250～320 DEG C.
Aluminium alloy rod is become aluminium alloy single line through wire drawing, and by aluminium alloy single line by being twisted into aluminium alloy stranded conductor, afterwards in the lehr through 300～340 DEG C, the annealing of 6～12h, such as optional 300 DEG C of annealing 12h or 320 DEG C of annealing 10h or 330 DEG C of annealing 9h or 340 DEG C of annealing 7h, obtain aluminium alloys for automobile conductor.
Embodiment 3
Selecting the trade mark is the aluminium ingot of 99.70%, adds ferro-aluminum intermediate alloy, and aluminum bronze intermediate alloy, aluminum boron intermediate alloy, in alloy, the content of each element is as shown in table 1.
Become aluminium alloy rod through melting with continuous casting and rolling, become by wire drawing the aluminium alloy monofilament of 0.5mm, annealed process, its technological temperature and time and properties as shown in table 1 afterwards.
Table 1
Table 2
Evaluation test and method of testing
Conductivity
Utilizing electric bridge to send out measurement conductor conductivity, electrical conductivity meets or exceeds 58%IACS and is considered as qualified, and the electrical conductivity of the present invention is higher than existing aluminium alloy conductor.
Tensile property
Utilizing tensile testing machine that tensile strength and the elongation at break of conductor are tested, tensile strength meets or exceeds 110MPa, and elongation at break meets or exceeds 10% and is considered as qualified, and the elongation at break of the present invention is higher than existing aluminium alloy conductor.
Embodiment 1～6 composition and annealing process all meet the requirement of the present invention, therefore, the tensile strength of conductor thread core, electrical conductivity, elongation at break are satisfied by requirement, and the present invention is without adding magnesium elements, the elongation at break of alloy and conductivity increase, and tensile strength also meets performance requirement.Copper content in comparative example 1 is lower than the content of the present invention, so tensile strength is not up to requiring；In comparative example 2, iron content is lower than the requirement of the present invention, so tensile strength is not up to application claims；Comparative example 3 iron content is higher than requirement in the present invention, so electrical conductivity and elongation at break are not up to application claims；In comparative example 4, annealing temperature is higher than application claims, so power resistance strength is not up to application claims；In comparative example 5, copper content is higher than patent requirements, so electrical conductivity is not up to application claims；In comparative example 6, annealing temperature is lower than application claims, so elongation percentage is not up to application claims.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (2)
1. an automobile electric wire aluminium alloy conductor, it is characterised in that the mass percent proportioning of aluminium alloy conductor is: the ferrum of 0.3～0.8wt%, the copper of 0.15～0.3wt%, the silicon of 0.04～0.1wt%, the boron of 0.005～0.02wt%, all the other are aluminum and inevitable impurity.
2. the preparation method of a kind of automobile electric wire aluminium alloy conductor as claimed in claim 1, it is characterised in that comprise the following steps:
1) aluminium ingot melted and be incubated, first being warming up to 700～740 DEG C to be melted by aluminium ingot, be incubated at 740～760 DEG C by aluminum liquid afterwards, in the aluminium ingot of addition, aluminum content is more than 99.7%, silicone content is between 0.04～0.1wt%, and manganese, titanium, vanadium, chromium total content are not more than 0.01%；
2) by ferrum, copper, boron, silicon is added sequentially in aluminum water as alloying element, and silicon content is the silicone content of aluminium ingot own, ferrum, copper, boron add with the form of ferro-aluminum intermediate alloy, aluminum bronze intermediate alloy, aluminum boron intermediate alloy respectively, and adopt electromagnetic agitation mode to be sufficiently stirred for, it is ensured that the uniformity of aluminum alloy melt composition；
3) after the completely melted and sufficiently conducted stirring of alloying element, addition refining agent, deslagging agent carry out refine, slagging-off, and waste residue are clawed holding furnace, after being incubated 20 minutes, take part aluminum alloy melt, use spectrogrph to carry out stokehold fast component detection, it is ensured that composition meets technological requirement；
4) being come out of the stove by satisfactory for composition aluminum alloy melt, through direct casting, cast temperature 680～710 DEG C, be cooled to aluminium alloy ingots, the aluminium alloy ingots after cooling enters to roll temperature and controls at 480～520 DEG C；
5) becoming diameter to be 9.5mm aluminium alloy rod through continuous rolling quantity-produced aluminium alloy ingots, temperature of putting away sports equipment controls at 250～320 DEG C；
6) aluminium alloy rod is become aluminium alloy single line through wire drawing, and by being twisted into aluminium alloy stranded conductor, afterwards in the lehr through 300～340 DEG C, the annealing of 6～12h, obtain automobile electric wire aluminium alloy conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610161946.5A CN105734351A (en) | 2016-03-21 | 2016-03-21 | Aluminum alloy conductor for vehicle wire and production method for aluminum alloy conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610161946.5A CN105734351A (en) | 2016-03-21 | 2016-03-21 | Aluminum alloy conductor for vehicle wire and production method for aluminum alloy conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105734351A true CN105734351A (en) | 2016-07-06 |
Family
ID=56250978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610161946.5A Pending CN105734351A (en) | 2016-03-21 | 2016-03-21 | Aluminum alloy conductor for vehicle wire and production method for aluminum alloy conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105734351A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063000A (en) * | 2017-12-22 | 2018-05-22 | 铜陵市远维线缆有限公司 | A kind of strong copper cladding aluminum core of electric conductivity for applying in cable |
| CN113707372A (en) * | 2021-08-23 | 2021-11-26 | 安徽中青欣意铝合金电缆有限公司 | Flexible sliding type aluminum alloy cable for aviation crane and preparation method thereof |
| CN114737089A (en) * | 2022-05-24 | 2022-07-12 | 国网智能电网研究院有限公司 | Aluminum alloy material and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103397226A (en) * | 2013-07-22 | 2013-11-20 | 浙江凯萨特电缆有限公司 | Aluminum alloy pole material |
| 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 |
-
2016
- 2016-03-21 CN CN201610161946.5A patent/CN105734351A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103397226A (en) * | 2013-07-22 | 2013-11-20 | 浙江凯萨特电缆有限公司 | Aluminum alloy pole material |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063000A (en) * | 2017-12-22 | 2018-05-22 | 铜陵市远维线缆有限公司 | A kind of strong copper cladding aluminum core of electric conductivity for applying in cable |
| CN113707372A (en) * | 2021-08-23 | 2021-11-26 | 安徽中青欣意铝合金电缆有限公司 | Flexible sliding type aluminum alloy cable for aviation crane and preparation method thereof |
| CN113707372B (en) * | 2021-08-23 | 2024-01-23 | 安徽中青欣意铝合金电缆有限公司 | Flexible sliding type aluminum alloy cable for aerial crane and preparation method thereof |
| CN114737089A (en) * | 2022-05-24 | 2022-07-12 | 国网智能电网研究院有限公司 | Aluminum alloy material and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104946936B (en) | A kind of aerial condutor high conductivity rare earth duralumin monofilament material | |
| CN101974709B (en) | Super-soft aluminum alloy conductor and preparation method thereof | |
| RU2550063C2 (en) | Cable material based on aluminium alloy with high degree of elongation, and method for its obtaining | |
| CN101587757B (en) | Aluminum alloy lead with lanthanon yttric and preparation method thereof | |
| CN1077606C (en) | High strength heat-resistant aluminium alloy, conduction wire and aerial conductor and method for producing high strength heat-resistant aluminium alloy | |
| CN104975211B (en) | Strength aluminum alloy conductive monofilament in a kind of high conductivity heat treatment type | |
| CN102703770B (en) | Aluminum iron copper magnesium rare earth alloy material for electric wire and cable and preparation method thereof | |
| CN103952605B (en) | A kind of preparation method of middle strength aluminium alloy monofilament | |
| JP2008112620A (en) | Electric wire conductor and its manufacturing method | |
| CN103996427B (en) | Strength aluminium alloy wire and production technology thereof in a kind of non-heat treated | |
| CN105088033A (en) | Aluminium alloy and preparation method thereof | |
| CN105063433A (en) | High-conductivity heat-resisting aluminum alloy monofilament and preparation method thereof | |
| CN105821253A (en) | Ferrous light high-conductivity heatproof aluminum wire and preparation process thereof | |
| CN107829000B (en) | Die-casting aluminum alloy material and preparation method thereof | |
| CN104959393A (en) | Production method of aluminium alloy hot extrusion bar used for high-quality aviation blade | |
| CN108546854A (en) | A kind of die-cast aluminum alloy material and preparation method thereof | |
| CN104651689A (en) | High thermal conductivity magnesium alloy used under high temperature and preparation method thereof | |
| CN105734353A (en) | Light high-conductivity and heat-resistant aluminum conductor and preparation method thereof | |
| CN112695230A (en) | High-elongation heat-resistant aluminum alloy vehicle part and preparation method thereof | |
| CN103469007B (en) | Senior terminal connector copper alloy and its preparation method and application | |
| CN105734351A (en) | Aluminum alloy conductor for vehicle wire and production method for aluminum alloy conductor | |
| JP4813814B2 (en) | Cu-Ni-Si based copper alloy and method for producing the same | |
| CN109468476B (en) | Method for improving comprehensive performance of copper alloy by adopting magnetic suspension process | |
| CN106435288A (en) | Aluminum alloy conductor for high-strength high-conductivity automobile wires and preparation method | |
| CN104862542A (en) | Non-heat-treated medium-strength aluminum alloy monofilament and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160706 |