CN106048337A - Method for preparing aluminum alloy wire - Google Patents
Method for preparing aluminum alloy wire Download PDFInfo
- Publication number
- CN106048337A CN106048337A CN201610490112.9A CN201610490112A CN106048337A CN 106048337 A CN106048337 A CN 106048337A CN 201610490112 A CN201610490112 A CN 201610490112A CN 106048337 A CN106048337 A CN 106048337A
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- Prior art keywords
- alloy wire
- diameter
- aluminum
- aluminum alloy
- alloy
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Classifications
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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
- 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
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Conductive Materials (AREA)
Abstract
The invention belongs to a method for preparing an aluminum alloy wire. The method comprises the following steps: (1) performing cold drawing on an aluminum-magnesium-silicon-scandium alloy rod, so as to obtain the aluminum alloy wire with a diameter of 2.5 mm; (2) performing heat preservation on the 2.5-mm-diameter aluminum alloy wire obtained in step (1) for 10-16 hours at 480-505 DEG C, so as to separate scandium out and complete solution strengthening treatment; (3) performing secondary cold drawing on the 2.5-mm-diameter aluminum alloy wire treated in step (2), so as to obtain the aluminum alloy wire with a diameter of 0.15-0.4 mm; and (4) performing heat preservation on the 0.15-0.4-mm-diameter aluminum alloy wire obtained in step (3) for 6-15 hours at 140-200 DEG C, so as to complete artificial aging treatment. According to the method provided by the invention, scandium is separated out and the solution strengthening treatment is completed between the two drawing processes, so that the prepared single aluminum alloy wire can meet all the tensile strength, elongation and electric conductivity requirements, is good in drawing property, and can be mass produced.
Description
The present invention relates to aluminum alloy materials technical field, the manufacture method of a kind of aluminum-alloy wire.
Background technology
The aluminum-alloy wire properties of product of current domestic special cables producer require as follows: material is not intended to, string diameter 0.15mm ~
0.4mm, tensile strength is not less than 280MPa, and elongation after fracture is not less than 10%, and conductivity (%IACS) is not less than 52%.Al-mg-si
What alloy was that we commonly use 6 is wrought aluminium alloy, has preferable thermal deformation behavior, heat-treatable strengthened, has medium tension
Intensity and certain extensibility.Thus many for extruded material, its cold drawing performance is the most fine.Use Al-Mg-Si alloy raw
Producing this product, result elongation after fracture can not meet requirement, and the material composition that the existing wrought aluminium alloy trade mark is provided is raw
The product of output all can not meet three above index simultaneously.
Summary of the invention
The object of the invention is that and overcomes above-mentioned deficiency, it is provided that one meets tensile strength, percentage elongation and conductivity simultaneously
The manufacture method of the aluminum-alloy wire of three performance index requests.
For achieving the above object, the technical solution used in the present invention is: the manufacture method of a kind of aluminum-alloy wire, including following
Step: (1) al-mg-si scandium alloy bar is carried out cold drawing, the cold drawn aluminum-alloy wire pulling into a diameter of 2.5mm；(2) (1) step is obtained
To the aluminum-alloy wire of a diameter of 2.5mm be incubated at the precipitation carrying out scandium in 10-16 hour and solution strengthening at 480～505 DEG C
Reason；(3) the aluminum-alloy wire of a diameter of 2.5mm after step (2) being processed carries out secondary cold drawing, is drawn into a diameter of 0.15-
The aluminum-alloy wire of 0.4mm；(4) the aluminum-alloy wire of a diameter of 0.15-0.4mm step (3) obtained is protected at a temperature of 140-200 DEG C
The 6-15 hour time of temperature carries out artificial aging process.
Preferably, in described al-mg-si scandium alloy bar, each chemical component weight percentage ratio is: Si 0.3～0.65%, Fe
0.1～0.3%, Mg 0.45～0.9%, Ce 0.15～0.3%, Ti 0.02～0.08%, Sc 0.15 ~ 0.3%, surplus is Al.
Described al-mg-si scandium alloy bar can use prior art to prepare, it is preferred to use prepared by following methods: 1. to temperature
Being to add silicea, scandium agent and magnesia mixture in the aluminum liquid in 730 ~ 755 DEG C, stir to obtain aluminium alloy；2. with nitrogen, refining agent is blown
Entering refining treatment in aluminium alloy, the addition of refining agent is the 0.15 ~ 0.3% of aluminium alloy weight, the pressure of nitrogen be 0.05～
0.2MPa；3. aluminium alloy is stood 30 ~ 60 minutes；4. in the aluminium alloy that 3. step obtains, add Al-Ti-B alloy silk carry out
Line crystal grain micronization processes, controlling each chemical component weight percentage ratio in aluminium alloy is: Si 0.3～0.65%, Fe 0.1～0.3%,
Mg 0.45～0.9%, Ce 0.15～0.3%, Ti 0.02～0.08%, Sc 0.15 ~ 0.3%, surplus is Al；Online crystal grain refinement
The temperature controlling aluminium alloy in processing procedure is 650～730 DEG C；Filter with crossing through online degasification again after online crystal grain micronization processes
Slag；5. carry out step 4. gained aluminium alloy casting (cast temperature controls at 690～730 DEG C, casting rate control 46～
60mm/sec), enter back into three-high mill and carry out continuous rolling (entering to roll temperature to control at 460～550 DEG C), be rolled into a diameter of
The al-mg-si scandium alloy bar of 9.4 ~ 9.6mm.
Described step 1. in silicea, scandium agent and magnesia mixture be respectively aluminum silicon intermediate alloy, scandium bearing master alloy and magnesium ingot.
Siliceous 15wt% in aluminum silicon intermediate alloy, remaining is aluminum；Scandium bearing master alloy 2wt% Han scandium, remaining is aluminum；Magnesium ingot
Purity is more than 99.9%.
The percentage by weight of each component of described refining agent is as follows: KCl 40%, MgCl2 20%、CaF2 40%。
The invention has the beneficial effects as follows: the present invention is by carrying out at precipitation and the solution strengthening of scandium between twice drawing
Reason, the aluminium alloy monofilament prepared all can meet tensile strength, percentage elongation and conductivity requirements, and have good drawing performance,
Batch production can be realized.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, the illustrative examples invented at this and explanation
It is used for explaining the present invention, but not as a limitation of the invention.
Embodiment 1
The manufacture method of a kind of aluminum-alloy wire, comprises the following steps: (1) carried out by al-mg-si scandium alloy bar (a diameter of 9.5mm)
Cold drawing, the cold drawn aluminum-alloy wire pulling into a diameter of 2.5mm；(2) the aluminum-alloy wire of a diameter of 2.5mm step (1) obtained exists
It is incubated 12 hours at 485 DEG C；(3) the aluminum-alloy wire of a diameter of 2.5mm after step (2) being processed carries out secondary cold drawing, drawing
Become the aluminum-alloy wire of a diameter of 0.28mm；(4) the aluminum-alloy wire of a diameter of 0.28mm step (3) obtained is at a temperature of 152 DEG C
Temperature retention time carries out artificial aging process in 8 hours.
In described al-mg-si scandium alloy bar, each chemical component weight percentage ratio is: Si 0.33%, Fe 0.27%, Mg
0.53%, Ce 0.26%, Ti 0.024%, Sc 0.2%, surplus is Al.
The performance comparison of al-mg-si scandium alloy silk prepared by the present embodiment and the common aldray monofilament with diameter
Such as table 1:
Table 1
。
Embodiment 2
The manufacture method of a kind of aluminum-alloy wire, comprises the following steps: (1) carried out by al-mg-si scandium alloy bar (a diameter of 9.5mm)
Cold drawing, the cold drawn aluminum-alloy wire pulling into a diameter of 2.5mm；(2) the aluminum-alloy wire of a diameter of 2.5mm step (1) obtained exists
It is incubated 10 hours at 505 DEG C；(3) the aluminum-alloy wire of a diameter of 2.5mm after step (2) being processed carries out secondary cold drawing, drawing
Become the aluminum-alloy wire of a diameter of 0.32mm；(4) the aluminum-alloy wire of a diameter of 0.32mm step (3) obtained is at a temperature of 175 DEG C
Temperature retention time carries out artificial aging process in 6 hours.
In described al-mg-si scandium alloy bar, each chemical component weight percentage ratio is: Si 0.48%, Fe 0.22%, Mg
0.65%, Ce 0.21%, Ti 0.026%, Sc 0.3%, surplus is Al.
The performance comparison of al-mg-si scandium alloy silk prepared by the present embodiment and the common aldray monofilament with diameter
Such as table 2:
Table 2
。
Embodiment 3
The manufacture method of a kind of aluminum-alloy wire, comprises the following steps: (1) carried out by al-mg-si scandium alloy bar (a diameter of 9.5mm)
Cold drawing, the cold drawn aluminum-alloy wire pulling into a diameter of 2.5mm；(2) the aluminum-alloy wire of a diameter of 2.5mm step (1) obtained exists
It is incubated 12 hours at 482 DEG C；(3) the aluminum-alloy wire of a diameter of 2.5mm after step (2) being processed carries out secondary cold drawing, drawing
Become the aluminum-alloy wire of a diameter of 0.21mm；(4) the aluminum-alloy wire of a diameter of 0.21mm step (3) obtained is at a temperature of 152 DEG C
Temperature retention time 6-15 hour carries out artificial aging process.
In described al-mg-si scandium alloy bar, each chemical component weight percentage ratio is: Si 0.52%, Fe 0.16%, Mg
0.68%, Ce 0.17%, Ti 0.036%, Sc 0.15%, surplus is Al.
The performance comparison of al-mg-si scandium alloy silk prepared by the present embodiment and the common aldray monofilament with diameter
Such as table 3:
Table 3
。
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (2)
1. the manufacture method of an aluminum-alloy wire, it is characterised in that comprise the following steps: (1) al-mg-si scandium alloy bar is carried out cold
Drawing, the cold drawn aluminum-alloy wire pulling into a diameter of 2.5mm；(2) the aluminum-alloy wire of a diameter of 2.5mm step (1) obtained is 480
～it is incubated 10-16 hour at 505 DEG C；(3) the aluminum-alloy wire of a diameter of 2.5mm after step (2) being processed carries out secondary cold drawing,
It is drawn into the aluminum-alloy wire of a diameter of 0.15-0.4mm；(4) the aluminum-alloy wire of a diameter of 0.15-0.4mm step (3) obtained exists
At a temperature of 140-200 DEG C, temperature retention time 6-15 hour carries out artificial aging process.
2. the manufacture method of aluminum-alloy wire as claimed in claim 2, it is characterised in that respectively change in described al-mg-si scandium alloy bar
Composition by weight percent is: Si 0.3～0.65%, Fe 0.1～0.3%, Mg 0.45～0.9%, Ce 0.15～0.3%, Ti
0.02～0.08%, Sc 0.15 ~ 0.3%, surplus is Al.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490112.9A CN106048337B (en) | 2016-06-29 | 2016-06-29 | A kind of preparation method of aluminum-alloy wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610490112.9A CN106048337B (en) | 2016-06-29 | 2016-06-29 | A kind of preparation method of aluminum-alloy wire |
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| CN106048337A true CN106048337A (en) | 2016-10-26 |
| CN106048337B CN106048337B (en) | 2017-11-10 |
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| CN201610490112.9A Expired - Fee Related CN106048337B (en) | 2016-06-29 | 2016-06-29 | A kind of preparation method of aluminum-alloy wire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376576A (en) * | 2018-02-26 | 2018-08-07 | 远东电缆有限公司 | A kind of big section aluminum steel production technology and the compound wire using the aluminum steel |
| CN114134364A (en) * | 2021-12-21 | 2022-03-04 | 有研工程技术研究院有限公司 | Copper alloy material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103820685A (en) * | 2014-02-20 | 2014-05-28 | 无锡华能电缆有限公司 | Medium strength aluminium alloy wire with conductivity of 60% IACS, and preparation method thereof |
| CN104781433A (en) * | 2013-03-29 | 2015-07-15 | 古河电器工业株式会社 | Aluminum alloy conductor, aluminum alloy twisted wire, coated electric wire, wire harness, and production method for aluminum alloy conductors |
| CN104797724A (en) * | 2013-03-29 | 2015-07-22 | 古河电器工业株式会社 | Aluminum alloy conductor, aluminum alloy twisted wire, coated electric wire, wire harness, and production method for aluminum alloy conductor |
| CN105018801A (en) * | 2015-08-28 | 2015-11-04 | 河南胜华电缆集团有限公司 | High-strength, high-conductivity and heat-resistant aluminum alloy conductor and preparation method thereof |
| CN105420556A (en) * | 2015-11-19 | 2016-03-23 | 国家电网公司 | Aluminum alloy conductor for extra-high voltage |
-
2016
- 2016-06-29 CN CN201610490112.9A patent/CN106048337B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104781433A (en) * | 2013-03-29 | 2015-07-15 | 古河电器工业株式会社 | Aluminum alloy conductor, aluminum alloy twisted wire, coated electric wire, wire harness, and production method for aluminum alloy conductors |
| CN104797724A (en) * | 2013-03-29 | 2015-07-22 | 古河电器工业株式会社 | Aluminum alloy conductor, aluminum alloy twisted wire, coated electric wire, wire harness, and production method for aluminum alloy conductor |
| CN103820685A (en) * | 2014-02-20 | 2014-05-28 | 无锡华能电缆有限公司 | Medium strength aluminium alloy wire with conductivity of 60% IACS, and preparation method thereof |
| CN105018801A (en) * | 2015-08-28 | 2015-11-04 | 河南胜华电缆集团有限公司 | High-strength, high-conductivity and heat-resistant aluminum alloy conductor and preparation method thereof |
| CN105420556A (en) * | 2015-11-19 | 2016-03-23 | 国家电网公司 | Aluminum alloy conductor for extra-high voltage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376576A (en) * | 2018-02-26 | 2018-08-07 | 远东电缆有限公司 | A kind of big section aluminum steel production technology and the compound wire using the aluminum steel |
| CN114134364A (en) * | 2021-12-21 | 2022-03-04 | 有研工程技术研究院有限公司 | Copper alloy material and preparation method thereof |
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| CN106048337B (en) | 2017-11-10 |
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Address after: Five in Xiuwu County, Henan province 454350 source of Jiaozuo Xiang Mo Tai Ying Cun Patentee after: Henan new material Limited by Share Ltd Address before: Five in Xiuwu County, Henan province 454350 source of Jiaozuo Xiang Mo Tai Ying Cun Patentee before: Jiaozuo Shenghao Aluminum Industry Co., Ltd. |
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Denomination of invention: Method for preparing aluminum alloy wire Effective date of registration: 20181123 Granted publication date: 20171110 Pledgee: Jiaozuo Branch of Luoyang Bank Co., Ltd. Pledgor: Henan new material Limited by Share Ltd Registration number: 2018990001107 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171110 Termination date: 20200629 |