CN106048272A - Preparation method of aluminum, magnesium, silicon and scandium alloy wire - Google Patents
Preparation method of aluminum, magnesium, silicon and scandium alloy wire Download PDFInfo
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- CN106048272A CN106048272A CN201610490622.6A CN201610490622A CN106048272A CN 106048272 A CN106048272 A CN 106048272A CN 201610490622 A CN201610490622 A CN 201610490622A CN 106048272 A CN106048272 A CN 106048272A
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- alloy
- scandium
- aluminum
- 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
- 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
- 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
- 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
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- 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
Abstract
The invention belongs to a preparation method of an aluminum, magnesium, silicon and scandium alloy wire. The method comprises steps as follows: (1) silicon, scandium and magnesium agents are added to an aluminum solution and are evenly stirred, and an alloy solution is obtained; (2) a refining agent is blown into the alloy solution for refining treatment; (3) the alloy solution is left to stand; (4) an aluminum, titanium and boron alloy wire is added to the alloy solution obtained in the step (3) for online grain refining treatment, and the alloy solution is controlled to comprising chemical components in percentage by weight as follows: 0.3%-0.65% of Si, 0.1%-0.3% of Fe, 0.45%-0.9% of Mg, 0.15%-0.3% of Ce, 0.02%-0.08% of Ti, 0.15%-0.3% of Sc and the balance of Al; (5) the alloy solution obtained in the step (4) is poured, then enters a three-high mill for continuous rolling and is rolled to form an aluminum rod with the diameter of 9.4-9.6 mm; (6) the aluminum rod is cold-drawn to form an aluminum alloy wire with the diameter of 0.15-0.4 mm, and then artificial ageing treatment is performed.
Description
Technical field
The present invention relates to aluminum alloy materials technical field, the preparation method of a kind of al-mg-si scandium alloy silk.
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, obtains one by aldray is added rare metal scandium
Al-mg-si scandium alloy silk, meets tensile strength, percentage elongation and three performance index requests of conductivity simultaneously.
For achieving the above object, the technical solution used in the present invention is: the preparation method of a kind of al-mg-si scandium alloy silk, bag
Include following steps: 1. to temperature be in 730 ~ 755 DEG C aluminum liquid in add silicea, scandium agent and magnesia mixture, stir to obtain aluminium alloy；
2. with nitrogen, refining agent being blown into refining treatment in aluminium alloy, the addition of refining agent is the 0.2% of aluminium alloy weight, nitrogen
Pressure is 0.05～0.2MPa；3. aluminium alloy is stood 30 ~ 60 minutes；4. in the aluminium alloy that 3. step obtains, add aluminum titanium boron
B alloy wire carries out online crystal grain micronization processes, controls each chemical component weight percentage ratio in aluminium alloy and 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；The temperature controlling aluminium alloy during online crystal grain micronization processes is 650～730 DEG C；Warp again after online crystal grain micronization processes
Online degasification and filter cleaner；5. step 4. gained aluminium alloy is cast, enter back into three-high mill and carry out continuous rolling, roll
Make the aluminum bar of a diameter of 9.4 ~ 9.6mm；6. aluminum bar is made the diameter aluminum-alloy wire at 0.15-0.4mm through cold drawing,
At a temperature of 140-200 DEG C, temperature retention time 6-15 hour carries out artificial aging process.
Preferably, described step 5. middle cast temperature controls at 690～730 DEG C, and casting rate controls 46～60mm/
sec；Enter to roll temperature to control at 460～550 DEG C.
Preferably, described step 1. in silicea, scandium agent and magnesia mixture be respectively aluminum silicon intermediate alloy, scandium bearing master alloy and
Magnesium ingot.
Preferred: siliceous 12-20wt% in aluminum silicon intermediate alloy, remaining is aluminum；Scandium bearing master alloy 1.5-Han scandium
2.2wt%, remaining is aluminum；The purity of magnesium ingot is more than 99.9%.
Preferably, described step 2. in refining agent be KCl, MgCl2And CaF2Mixture.
Preferably, 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 aluminium alloy monofilament that the present invention prepares, than the conventional aluminium mg-si master alloy list being not added with scandium
Silk tensile strength improve 10-20%, elongation after fracture improve 25-30%, conductivity is declined slightly, but all can meet tensile strength,
Percentage elongation and conductivity requirements, and there is 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 preparation method of a kind of al-mg-si scandium alloy silk, comprises the following steps: 1. to temperature be in 745 DEG C aluminum liquid in add
Silicon, scandium and magnesia mixture, stir 25 minutes to obtain aluminium alloy；2. with nitrogen, refining agent is blown into refining treatment in aluminium alloy, refining agent
Addition is the 0.2% of aluminium alloy weight, and the pressure of nitrogen is 0.06MPa；3. aluminium alloy is stood 35 minutes；4. to step 3.
The aluminium alloy obtained adds Al-Ti-B alloy silk and carries out online crystal grain micronization processes, control each chemical component weight in aluminium alloy
Percentage ratio is: Si 0.33%, Fe 0.27%, Mg 0.53%, Ce 0.26%, Ti 0.024%, Sc 0.2%, and surplus is Al；Online
The temperature controlling aluminium alloy during crystal grain micronization processes is 708 DEG C；Again through online degasification and mistake after online crystal grain micronization processes
Filter slag；5. step 4. gained aluminium alloy is cast, enter back into three-high mill and carry out continuous rolling, be rolled into a diameter of
The aluminum bar of 9.5mm；6. aluminum bar is made the diameter aluminum-alloy wire at 0.28mm through cold drawing, temperature retention time 8 at a temperature of 152 DEG C
Hour carry out artificial aging process.
Described step 1. in silicea, scandium agent and magnesia mixture be respectively aluminum silicon intermediate alloy (siliceous 15wt%), close in the middle of aluminum scandium
Gold (containing scandium 2wt%) and magnesium ingot (purity 99.9%).The percentage by weight of each component of described refining agent is as follows: KCl 40%,
MgCl2 20%、CaF2 40%。
Preferably, described step 5. middle cast temperature controls at 708 DEG C, and casting rate controls at 49mm/sec；Enter to roll temperature
Degree controls at 513 DEG C.
Al-mg-si scandium alloy silk prepared by the present embodiment and the performance comparison such as table 1 of common aldray monofilament:
。
Embodiment 2
The preparation method of a kind of al-mg-si scandium alloy silk, comprises the following steps: 1. to temperature be in 755 DEG C aluminum liquid in add
Silicon, scandium and magnesia mixture, stir 20 minutes to obtain aluminium alloy；2. with nitrogen, refining agent is blown into refining treatment in aluminium alloy, refining agent
Addition is the 0.2% of aluminium alloy weight, and the pressure of nitrogen is 0.1MPa；3. aluminium alloy is stood 31 minutes；4. 3. obtain to step
To aluminium alloy in add Al-Ti-B alloy silk and carry out online crystal grain micronization processes, control each chemical component weight hundred in aluminium alloy
Proportion by subtraction is: Si 0.48%, Fe 0.22%, Mg 0.65%, Ce 0.21%, Ti 0.026%, Sc 0.3%, and surplus is Al；Online brilliant
The temperature controlling aluminium alloy during grain micronization processes is 650～730 DEG C；After online crystal grain micronization processes again through online degasification and
Filter cleaner；5. step 4. gained aluminium alloy is cast, enter back into three-high mill and carry out continuous rolling, be rolled into a diameter of
The aluminum bar of 9.5mm；6. aluminum bar is made the diameter aluminum-alloy wire at 0.32mm through cold drawing, temperature retention time 6 at a temperature of 175 DEG C
Hour carry out artificial aging process.
Described step 1. in silicea, scandium agent and magnesia mixture be respectively aluminum silicon intermediate alloy (siliceous 12wt%), close in the middle of aluminum scandium
Gold (containing scandium 1.5wt%) and magnesium ingot (purity 99.9%).The percentage by weight of each component of described refining agent is as follows: KCl 40%,
MgCl2 20%、CaF2 40%。
Preferably, described step 5. middle cast temperature controls at 703 DEG C, and casting rate controls at 49mm/sec；Enter to roll temperature
Degree controls at 509 DEG C.
Al-mg-si scandium alloy silk prepared by the present embodiment and the performance comparison such as table 2 of common aldray monofilament:
。
Embodiment 3
The preparation method of a kind of al-mg-si scandium alloy silk, comprises the following steps: 1. to temperature be in 747 DEG C aluminum liquid in add
Silicon, scandium and magnesia mixture, stir 18 minutes to obtain aluminium alloy；2. with nitrogen, refining agent is blown into refining treatment in aluminium alloy, refining agent
Addition is the 0.2% of aluminium alloy weight, and the pressure of nitrogen is 0.2MPa；3. aluminium alloy is stood 35 minutes；4. 3. obtain to step
To aluminium alloy in add Al-Ti-B alloy silk and carry out online crystal grain micronization processes, control each chemical component weight hundred in aluminium alloy
Proportion by subtraction is: Si 0.52%, Fe 0.16%, Mg 0.68%, Ce 0.17%, Ti 0.036%, Sc 0.15%, and surplus is Al；Online brilliant
The temperature controlling aluminium alloy during grain micronization processes is 697 DEG C；Again through online degasification and filtration after online crystal grain micronization processes
Slagging-off；5. step 4. gained aluminium alloy is cast, enter back into three-high mill and carry out continuous rolling, be rolled into a diameter of
The aluminum bar of 9.5mm；6. aluminum bar is made the diameter aluminum-alloy wire at 0.21mm, temperature retention time at a temperature of 152 DEG C through cold drawing
Within 6-15 hour, carry out artificial aging process.
Described step 1. in silicea, scandium agent and magnesia mixture be respectively aluminum silicon intermediate alloy (siliceous 20wt%), close in the middle of aluminum scandium
Gold (containing scandium 2.2wt%) and magnesium ingot (purity 99.9%).The percentage by weight of each component of described refining agent is as follows: KCl 40%,
MgCl2 20%、CaF2 40%。
Preferably, described step 5. middle cast temperature controls at 697 DEG C, and casting rate controls at 46/sec；Enter to roll temperature
Control at 493 DEG C.
Al-mg-si scandium alloy silk prepared by the present embodiment and the performance comparison such as table 3 of common aldray monofilament:
。
Technical scheme is not limited to the restriction of above-mentioned specific embodiment, every does according to technical scheme
The technology deformation gone out, within each falling within protection scope of the present invention.
Claims (6)
1. the preparation method of an al-mg-si scandium alloy silk, it is characterised in that comprise the following steps: 1. to temperature be 730 ~ 755
Adding silicea, scandium agent and magnesia mixture in aluminum liquid in DEG C, stir to obtain aluminium alloy；2. with nitrogen, refining agent is blown in aluminium alloy
Refining treatment, the addition of refining agent is the 0.15 ~ 0.3% of aluminium alloy weight；3. aluminium alloy is stood 30 ~ 60 minutes；4. to step
The rapid aluminium alloy 3. obtained adds Al-Ti-B alloy silk and carries out online crystal grain micronization processes, control each chemical composition in aluminium alloy
Percentage by weight 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；The temperature controlling aluminium alloy during online crystal grain micronization processes is 650～730
℃；Again through online degasification and filter cleaner after online crystal grain micronization processes；5. step 4. gained aluminium alloy is cast, then enter
Enter three-high mill and carry out continuous rolling, be rolled into the aluminum bar of a diameter of 9.4 ~ 9.6mm；6. through cold drawing, aluminum bar is made diameter to exist
The aluminum-alloy wire of 0.15-0.4mm, at a temperature of 140-200 DEG C, temperature retention time 6-15 hour carries out artificial aging process.
2. the preparation method of al-mg-si scandium alloy silk as claimed in claim 2, it is characterised in that: described step 5. middle cast temperature
Controlling at 690～730 DEG C, casting rate controls 46～60mm/sec；Enter to roll temperature to control at 460～550 DEG C.
3. the preparation method of as claimed in claim 1 al-mg-si scandium alloy silk, it is characterised in that: described step 1. in silicea,
Scandium agent and magnesia mixture are respectively aluminum silicon intermediate alloy, scandium bearing master alloy and magnesium ingot.
4. the preparation method of al-mg-si scandium alloy silk as claimed in claim 3, it is characterised in that: siliceous in aluminum silicon intermediate alloy
12-20wt%, remaining is aluminum；Scandium bearing master alloy 1.5-2.2wt% Han scandium, remaining is aluminum；The purity of magnesium ingot is more than 99.9%.
5. the preparation method of as claimed in claim 1 al-mg-si scandium alloy silk, it is characterised in that: described step 2. in refining agent
For KCl, MgCl2And CaF2Mixture.
6. the preparation method of al-mg-si scandium alloy silk as claimed in claim 5, it is characterised in that: each component of described refining agent
Percentage by weight is as follows: KCl 40%, MgCl2 20%、CaF2 40%。
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110257654A (en) * | 2019-07-03 | 2019-09-20 | 中国恩菲工程技术有限公司 | Al-mg-si scandium zirconium alloy wire, preparation method and application |
| CN110257653A (en) * | 2019-07-03 | 2019-09-20 | 中国恩菲工程技术有限公司 | Aluminium silicon scandium zirconium alloy wire, preparation method and application |
| CN115612899A (en) * | 2022-09-28 | 2023-01-17 | 国网河南省电力公司电力科学研究院 | High-conductivity anti-fatigue aluminum alloy conductor material and preparation method thereof |
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| CN1233294A (en) * | 1996-07-04 | 1999-10-27 | 科马尔柯铝制品有限公司 | 6XXX series aluminium alloy |
| CN102021442A (en) * | 2010-09-21 | 2011-04-20 | 安徽亚南电缆厂 | Ultra-fine aluminum alloy wire and preparation method thereof |
| CN103667804A (en) * | 2013-12-10 | 2014-03-26 | 河南融博新型材料有限公司 | Novel aluminum alloy wire and preparation method thereof |
| CN103993209A (en) * | 2014-05-29 | 2014-08-20 | 合肥工业大学 | Rare earth Sc micro-alloyed Al-Mg-Si-Cu alloy and preparation method thereof |
| CN104028961A (en) * | 2014-06-11 | 2014-09-10 | 远东电缆有限公司 | Intermediate-strength aluminum alloy wire and process for manufacturing same |
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2016
- 2016-06-29 CN CN201610490622.6A patent/CN106048272B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233294A (en) * | 1996-07-04 | 1999-10-27 | 科马尔柯铝制品有限公司 | 6XXX series aluminium alloy |
| CN102021442A (en) * | 2010-09-21 | 2011-04-20 | 安徽亚南电缆厂 | Ultra-fine aluminum alloy wire and preparation method thereof |
| CN103667804A (en) * | 2013-12-10 | 2014-03-26 | 河南融博新型材料有限公司 | Novel aluminum alloy wire and preparation method thereof |
| CN103993209A (en) * | 2014-05-29 | 2014-08-20 | 合肥工业大学 | Rare earth Sc micro-alloyed Al-Mg-Si-Cu alloy and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110257654A (en) * | 2019-07-03 | 2019-09-20 | 中国恩菲工程技术有限公司 | Al-mg-si scandium zirconium alloy wire, preparation method and application |
| CN110257653A (en) * | 2019-07-03 | 2019-09-20 | 中国恩菲工程技术有限公司 | Aluminium silicon scandium zirconium alloy wire, preparation method and application |
| CN110257654B (en) * | 2019-07-03 | 2021-05-07 | 中国恩菲工程技术有限公司 | Aluminum-magnesium-silicon-scandium-zirconium alloy wire, and preparation method and application thereof |
| CN115612899A (en) * | 2022-09-28 | 2023-01-17 | 国网河南省电力公司电力科学研究院 | High-conductivity anti-fatigue aluminum alloy conductor material and preparation method thereof |
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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: Preparation method of aluminum, magnesium, silicon and scandium alloy wire Effective date of registration: 20181123 Granted publication date: 20171219 Pledgee: Jiaozuo Branch of Luoyang Bank Co., Ltd. Pledgor: Henan new material Limited by Share Ltd Registration number: 2018990001107 |
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