CN105463262A - Al-Pr-Ag-B alloy wire and manufacturing method thereof - Google Patents
Al-Pr-Ag-B alloy wire and manufacturing method thereof Download PDFInfo
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- CN105463262A CN105463262A CN201510877064.4A CN201510877064A CN105463262A CN 105463262 A CN105463262 A CN 105463262A CN 201510877064 A CN201510877064 A CN 201510877064A CN 105463262 A CN105463262 A CN 105463262A
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- lead wire
- alloy lead
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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
-
- 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
- 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
Abstract
The invention discloses an Al-Pr-Ag-B alloy wire and a manufacturing method thereof. The Al-Pr-Ag-B alloy wire comprises, by mass percentage, 0.05% to 0.50% of Pr, 0.5% to 1.5% of Ag, 0.005% to 0.010% of B, 0.03% to 0.05% of Mo, 0.02% to 0.05% of Si, 0.1% to 0.2% of Ru and the balance Al and inevitable impurities. The rare earth element Pr is added and the properties of other alloy elements are coordinated, so that the mechanical property and the corrosion resistance of the alloy wire are optimized to a great extent on the premise that the electric conductivity of the alloy wire is high, and the requirement of a long-span transmission line can be met.
Description
Technical field
The invention belongs to alloy lead wire preparing technical field, be specifically related to a kind of Al-Pr-Ag-B alloy lead wire and preparation method thereof.
Background technology
Along with the high speed development of Chinese national economy, the construction of power industry presents the trend of advancing by leaps and bounds, in the long-span electric transmission line of building development and extending in high-pressure trend, high capacity, long distance ionization, only use that traditional wire can not meet transferring electricity from the west to the east, north and south supplies mutually, the strategic plan of national network and the demand of long-span electric transmission line.
In power industry, the transmission of wire has very large impact to power industry.The material of wire and structure determine resistance sizes and the specific conductivity of wire.Larger resistance and lower specific conductivity limit the application of wire in power industry, and resistance is excessive, have larger loss, waste the energy to a certain extent in power transmission.
In addition, in actual production, the erosion resistance of aluminium alloy conductor, tensile strength and electric conductivity are conflict bodies, want improving the tensile strength of aluminium conductor and under ensureing the prerequisite of qualified electric conductivity, obtain preferably corrosion resistance nature, higher requirement certainly will be had to the alloy species added and content.Therefore the more excellent coupling how obtaining mechanical property, corrosion resistance nature and conductivity is the main contents of this area research.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of Al-Pr-Ag-B alloy lead wire and preparation method thereof is provided.This Al-Pr-Ag-B alloy lead wire is by adding Rare Earth Elements of Praseodymium, coordinate the performance of other alloying elements, make this alloy lead wire under the prerequisite with higher electric conductivity, the mechanical property optimizing alloy lead wire of high degree and corrosion resistance nature, the demand of long-span electric transmission line can be met.
To achieve these goals, present invention employs following technical scheme:
A kind of Al-Pr-Ag-B alloy lead wire, by mass percentage containing, for example lower element: 0.05% ~ 0.50%Pr, 0.5% ~ 1.5%Ag, 0.005% ~ 0.010%B, 0.03% ~ 0.05%Mo, 0.02% ~ 0.05%Si, 0.1% ~ 0.2%Ru, surplus is Al and inevitable impurity.
Further preferred technical scheme of the present invention: described Al-Pr-Ag-B alloy lead wire by mass percentage containing, for example under: 0.20% ~ 0.50%Pr, 1.0% ~ 1.5%Ag, 0.005% ~ 0.010%B, 0.03% ~ 0.04%Mo, 0.02% ~ 0.04%Si, 0.1% ~ 0.2%Ru, surplus is Al and inevitable impurity.
Further preferred technical scheme of the present invention: described Al-Pr-Ag-B alloy lead wire by mass percentage containing, for example under: 0.30%Pr, 1.5%Ag, 0.008%B, 0.04%Mo, 0.03%Si, 0.15%Ru, surplus is Al and inevitable impurity.
Prepare a method for above-mentioned Al-Pr-Ag-B alloy lead wire, comprise the following steps:
Step one, according to the mass percent of each element in alloy lead wire finished product, takes simple substance or the compound of each element respectively;
Step 2, after 99.7% technical pure aluminium ingot being put into medium-frequency induction furnace fusing, first addition element Pr, Ag, B, insulated and stirred, after stirring, then addition element Mo, Si, Ru, insulated and stirred, the removal of impurity, refining, degasification, slagging-off, leave standstill more than 30 minutes, temperature controls between 750 DEG C ~ 800 DEG C; Period is analyzed composition in stove and adjusts;
Step 3, use continuous caster continuous casting, continuous casting becomes aluminium alloy cast ingot; Make aluminium alloy rod by extrusion machine 420 DEG C ~ 450 DEG C hot extrusions, carry out 60 minutes anneal at 400 DEG C, then on drawing machine, through the drawing of 7 ~ 9 passages, be prepared into the Al-Pr-Ag-B alloy lead wire of dimension.
Advantage of the present invention:
1. alloy lead wire of the present invention after measured, and its resistivity is 0.0025 Ω mm
2/ m ~ 0.0035 Ω mm
2/ m, can be widely used in power transmission, effectively reduces the loss of electric power resource.
2. alloy lead wire of the present invention is by adding and controlling the content of the metallic elements such as electric conductivity excellent Ag, Mo, improves the electric conductivity of alloy lead wire; Add and the content of the elements such as B, Ru, Si of control mechanics performance and fine corrosion resistance, improve the physicochemical property of alloy lead wire; Coordinating the performance of each alloying element by adding rare earth element Pr, well improving the metallurgical structure of optimized alloy wire, making alloy lead wire of the present invention possess excellent conductivity, mechanical property and corrosion resistance nature simultaneously.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described, but protection scope of the present invention is not only confined to the concrete record of following examples.
Embodiment 1:
A kind of Al-Pr-Ag-B alloy lead wire, by mass percentage containing, for example lower element: 0.05%Pr, 0.5%Ag, 0.005%B, 0.03%Mo, 0.02%Si, 0.1%Ru, surplus is Al and inevitable impurity.
Prepare the method for the Al-Pr-Ag-B alloy lead wire of the present embodiment, comprise the following steps:
Step one, according to the mass percent of each element in alloy lead wire finished product, takes simple substance or the compound of each element respectively;
Step 2, after 99.7% technical pure aluminium ingot being put into medium-frequency induction furnace fusing, first addition element Pr, Ag, B, insulated and stirred, after stirring, then addition element Mo, Si, Ru, insulated and stirred, the removal of impurity, refining, degasification, slagging-off, leave standstill more than 30 minutes, temperature controls at 750 DEG C; Period is analyzed composition in stove and adjusts;
Step 3, use continuous caster continuous casting, continuous casting becomes aluminium alloy cast ingot; Make aluminium alloy rod by extrusion machine 420 DEG C of hot extrusions, carry out 60 minutes anneal at 400 DEG C, then on drawing machine, through the drawing of 7 passages, be prepared into the Al-Pr-Ag-B alloy lead wire of dimension.
Embodiment 2:
A kind of Al-Pr-Ag-B alloy lead wire, by mass percentage containing, for example lower element: 0.50%Pr, 1.5%Ag, 0.010%B, 0.05%Mo, 0.05%Si, 0.2%Ru, surplus is Al and inevitable impurity.
Prepare the method for the Al-Pr-Ag-B alloy lead wire of the present embodiment, comprise the following steps:
Step one, according to the mass percent of each element in alloy lead wire finished product, takes simple substance or the compound of each element respectively;
Step 2, after 99.7% technical pure aluminium ingot being put into medium-frequency induction furnace fusing, first addition element Pr, Ag, B, insulated and stirred, after stirring, then addition element Mo, Si, Ru, insulated and stirred, the removal of impurity, refining, degasification, slagging-off, leave standstill more than 30 minutes, temperature controls between 800 DEG C; Period is analyzed composition in stove and adjusts;
Step 3, use continuous caster continuous casting, continuous casting becomes aluminium alloy cast ingot; Make aluminium alloy rod by extrusion machine 450 DEG C of hot extrusions, carry out 60 minutes anneal at 400 DEG C, then on drawing machine, through the drawing of 9 passages, be prepared into the Al-Pr-Ag-B alloy lead wire of dimension.
Embodiment 3:
A kind of Al-Pr-Ag-B alloy lead wire, by mass percentage containing, for example lower element: 0.30%Pr, 1.5%Ag, 0.008%B, 0.04%Mo, 0.03%Si, 0.15%Ru, surplus is Al and inevitable impurity.
Prepare the method for the Al-Pr-Ag-B alloy lead wire of the present embodiment, comprise the following steps:
Step one, according to the mass percent of each element in alloy lead wire finished product, takes simple substance or the compound of each element respectively;
Step 2, after 99.7% technical pure aluminium ingot being put into medium-frequency induction furnace fusing, first addition element Pr, Ag, B, insulated and stirred, after stirring, then addition element Mo, Si, Ru, insulated and stirred, the removal of impurity, refining, degasification, slagging-off, leave standstill more than 30 minutes, temperature controls between 770 DEG C; Period is analyzed composition in stove and adjusts;
Step 3, use continuous caster continuous casting, continuous casting becomes aluminium alloy cast ingot; Make aluminium alloy rod by extrusion machine 440 DEG C of hot extrusions, carry out 60 minutes anneal at 400 DEG C, then on drawing machine, through the drawing of 8 passages, be prepared into the Al-Pr-Ag-B alloy lead wire of dimension.
Embodiment 4:
A kind of Al-Pr-Ag-B alloy lead wire, by mass percentage containing, for example lower element: 0.20%Pr, 1.0%Ag, 0.005%B, 0.03%Mo, 0.02%Si, 0.1%Ru, surplus is Al and inevitable impurity.
Prepare the method for the Al-Pr-Ag-B alloy lead wire of the present embodiment, comprise the following steps:
Step one, according to the mass percent of each element in alloy lead wire finished product, takes simple substance or the compound of each element respectively;
Step 2, after 99.7% technical pure aluminium ingot being put into medium-frequency induction furnace fusing, first addition element Pr, Ag, B, insulated and stirred, after stirring, then addition element Mo, Si, Ru, insulated and stirred, the removal of impurity, refining, degasification, slagging-off, leave standstill more than 30 minutes, temperature controls between 750 DEG C; Period is analyzed composition in stove and adjusts;
Step 3, use continuous caster continuous casting, continuous casting becomes aluminium alloy cast ingot; Make aluminium alloy rod by extrusion machine 420 DEG C of hot extrusions, carry out 60 minutes anneal at 400 DEG C, then on drawing machine, through the drawing of 7 passages, be prepared into the Al-Pr-Ag-B alloy lead wire of dimension.
Embodiment 5:
A kind of Al-Pr-Ag-B alloy lead wire, by mass percentage containing, for example lower element: 0.50%Pr, 1.5%Ag, 0.010%B, 0.04%Mo, 0.04%Si, 0.2%Ru, surplus is Al and inevitable impurity.
Prepare the method for the Al-Pr-Ag-B alloy lead wire of the present embodiment, comprise the following steps:
Step one, according to the mass percent of each element in alloy lead wire finished product, takes simple substance or the compound of each element respectively;
Step 2, after 99.7% technical pure aluminium ingot being put into medium-frequency induction furnace fusing, first addition element Pr, Ag, B, insulated and stirred, after stirring, then addition element Mo, Si, Ru, insulated and stirred, the removal of impurity, refining, degasification, slagging-off, leave standstill more than 30 minutes, temperature controls between 760 DEG C; Period is analyzed composition in stove and adjusts;
Step 3, use continuous caster continuous casting, continuous casting becomes aluminium alloy cast ingot; Make aluminium alloy rod by extrusion machine 430 DEG C of hot extrusions, carry out 60 minutes anneal at 400 DEG C, then on drawing machine, through the drawing of 8 passages, be prepared into the Al-Pr-Ag-B alloy lead wire of dimension.
Claims (4)
1. an Al-Pr-Ag-B alloy lead wire, it is characterized in that: by mass percentage containing, for example lower element: 0.05% ~ 0.50%Pr, 0.5% ~ 1.5%Ag, 0.005% ~ 0.010%B, 0.03% ~ 0.05%Mo, 0.02% ~ 0.05%Si, 0.1% ~ 0.2%Ru, surplus is Al and inevitable impurity.
2. Al-Pr-Ag-B alloy lead wire according to claim 1, it is characterized in that: described Al-Pr-Ag-B alloy lead wire by mass percentage containing, for example under: 0.20% ~ 0.50%Pr, 1.0% ~ 1.5%Ag, 0.005% ~ 0.010%B, 0.03% ~ 0.04%Mo, 0.02% ~ 0.04%Si, 0.1% ~ 0.2%Ru, surplus is Al and inevitable impurity.
3. Al-Pr-Ag-B alloy lead wire according to claim 1, it is characterized in that: described Al-Pr-Ag-B alloy lead wire by mass percentage containing, for example under: 0.30%Pr, 1.5%Ag, 0.008%B, 0.04%Mo, 0.03%Si, 0.15%Ru, surplus is Al and inevitable impurity.
4. prepare as arbitrary in claim 1-3 as described in the method for Al-Pr-Ag-B alloy lead wire, it is characterized in that, comprise the following steps:
Step one, according to the mass percent of each element in alloy lead wire finished product, takes simple substance or the compound of each element respectively;
Step 2, after 99.7% technical pure aluminium ingot being put into medium-frequency induction furnace fusing, first addition element Pr, Ag, B, insulated and stirred, after stirring, then addition element Mo, Si, Ru, insulated and stirred, the removal of impurity, refining, degasification, slagging-off, leave standstill more than 30 minutes, temperature controls between 750 DEG C ~ 800 DEG C; Period is analyzed composition in stove and adjusts;
Step 3, use continuous caster continuous casting, continuous casting becomes aluminium alloy cast ingot; Make aluminium alloy rod by extrusion machine 420 DEG C ~ 450 DEG C hot extrusions, carry out 60 minutes anneal at 400 DEG C, then on drawing machine, through the drawing of 7 ~ 9 passages, be prepared into the Al-Pr-Ag-B alloy lead wire of dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510877064.4A CN105463262A (en) | 2015-12-03 | 2015-12-03 | Al-Pr-Ag-B alloy wire and manufacturing method thereof |
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|---|---|---|---|
| CN201510877064.4A CN105463262A (en) | 2015-12-03 | 2015-12-03 | Al-Pr-Ag-B alloy wire and manufacturing method thereof |
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| CN105463262A true CN105463262A (en) | 2016-04-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003013162A (en) * | 2001-07-04 | 2003-01-15 | Furukawa Electric Co Ltd:The | Electric wire of anti-corrosion aluminum alloy and anti- corrosion composite electric wire using the aluminum alloy on outermost layer |
| CN1616696A (en) * | 2004-12-03 | 2005-05-18 | 云南冶金集团总公司 | High conductivity aluminium base material containing rare-earth and boron and preparing method |
| CN102978450A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Mo-RE aluminum alloy, and preparation method and power cable thereof |
| CN103103392A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Ag-RE aluminium alloy, preparation method thereof and power cable |
-
2015
- 2015-12-03 CN CN201510877064.4A patent/CN105463262A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003013162A (en) * | 2001-07-04 | 2003-01-15 | Furukawa Electric Co Ltd:The | Electric wire of anti-corrosion aluminum alloy and anti- corrosion composite electric wire using the aluminum alloy on outermost layer |
| CN1616696A (en) * | 2004-12-03 | 2005-05-18 | 云南冶金集团总公司 | High conductivity aluminium base material containing rare-earth and boron and preparing method |
| CN102978450A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Mo-RE aluminum alloy, and preparation method and power cable thereof |
| CN103103392A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Ag-RE aluminium alloy, preparation method thereof and power cable |
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Application publication date: 20160406 |
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