CN106834790A - A kind of Gu-Gd-Au-B alloy lead wires and preparation method thereof - Google Patents
A kind of Gu-Gd-Au-B alloy lead wires and preparation method thereof Download PDFInfo
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- CN106834790A CN106834790A CN201510877088.XA CN201510877088A CN106834790A CN 106834790 A CN106834790 A CN 106834790A CN 201510877088 A CN201510877088 A CN 201510877088A CN 106834790 A CN106834790 A CN 106834790A
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Abstract
The invention discloses a kind of Gu-Gd-Au-B alloy lead wires and preparation method thereof, the Gu-Gd-Au-B alloy lead wires contain following element by mass percentage：0.05%~0.50%Gd, 0.5%~1.5%Au, 0.005%~0.010%B, 0.03%~0.05%Mo, 0.02%~0.05%Si, 0.1%~0.2%Ru, balance of Gu and inevitable impurity.The present invention is by adding rare earth Gd, coordinate the performance of other alloying elements, make this alloy lead wire on the premise of with conductance higher, the mechanical property and decay resistance that optimize alloy lead wire of high degree disclosure satisfy that the demand of long-span electric transmission line.
Description
Technical field
The invention belongs to alloy lead wire preparing technical field, and in particular to a kind of Gu-Gd-Au-B alloy lead wires and preparation method thereof.
Background technology
With the high speed development of Chinese national economy, the construction of power industry is presented the trend advanced by leaps and bounds, develop in terms of high-pressure trend, high capacity, long distance ionization and extend in the long-span electric transmission line built, the demand of transferring electricity from the west to the east, north and south supply mutually, on national network strategic plan and long-span electric transmission line can not have been met using only traditional wire.
In power industry, the transmission of wire has very big influence to power industry.The material and construction of wire determine the resistance sizes and electrical conductivity of wire.Larger resistance and relatively low electrical conductivity limits application of the wire in power industry, and resistance is excessive, and larger loss is had in power transmission, and the energy is wasted to a certain extent.
In addition, in actual production, the corrosion resistance of copper alloy wire, tensile strength and conductance are conflict bodies, are want on the premise of improving the tensile strength of copper conductor and ensureing qualified conductance, preferably decay resistance is obtained, there certainly will be requirement higher to the alloy species and content that add.Therefore the more excellent matching for how obtaining mechanical property, decay resistance and electric conductivity is the main contents of the area research.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art, there is provided a kind of Gu-Gd-Au-B alloy lead wires and preparation method thereof.The Gu-Gd-Au-B alloy lead wires are by adding rare-earth element gadolinium, coordinate the performance of other alloying elements, make this alloy lead wire on the premise of with conductance higher, the mechanical property and decay resistance that optimize alloy lead wire of high degree disclosure satisfy that the demand of long-span electric transmission line.
To achieve these goals, present invention employs following technical scheme：
A kind of Gu-Gd-Au-B alloy lead wires, contain following element by mass percentage：0.05%~0.50%Gd, 0.5%~1.5%Au, 0.005%~0.010%B, 0.03%~0.05%Mo, 0.02%~0.05%Si, 0.1%~0.2%Ru, balance of Gu and inevitable impurity.
Further preferred technical scheme：The Gu-Gd-Au-B alloy lead wires are by mass percentage containing as follows：0.20%~0.50%Gd, 1.0%~1.5%Au, 0.005%~0.010%B, 0.03%~0.04%Mo, 0.02%~0.04%Si, 0.1%~0.2%Ru, balance of Gu and inevitable impurity.
Further preferred technical scheme：The Gu-Gd-Au-B alloy lead wires are by mass percentage containing as follows：0.30%Gd, 1.5%Au, 0.008%B, 0.04%Mo, 0.03%Si, 0.15%Ru, balance of Gu and inevitable impurity.
A kind of method for preparing above-mentioned Gu-Gd-Au-B alloy lead wires, comprises the following steps：
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively；
Step 2, technical pure copper ingot is put into after being melted in medium-frequency induction furnace, first addition element Gd, Au, B, insulated and stirred, after stirring, adds elements Mo, Si, Ru, insulated and stirred, the removal of impurity, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is between 750 DEG C~800 DEG C；Period is analyzed and adjusts to composition in stove；
Step 3, uses conticaster direct casting, and direct casting is into copper alloy casting ingot；Copper alloy bar is pressed into 420 DEG C~450 DEG C hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 7~9 passages, be prepared into the Gu-Gd-Au-B alloy lead wires of dimension.
Advantages of the present invention：
1. after measured, its resistivity is 0.0005 Ω mm to alloy lead wire of the invention2/ m~0.0015 Ω mm2/ m, can be widely used in power transmission, effectively reduce the loss of electric power resource.
2. alloy lead wire of the invention passes through the content for adding and controlling the metallic elements such as conductance excellent Au, Mo, improves the conductance of alloy lead wire；The content of the simultaneously element such as B, Ru, Si of control mechanics performance and fine corrosion resistance is added, the physicochemical property of alloy lead wire is improved；Coordinate the performance of each alloying element by adding rare earth Gd, the metallurgical structure of optimized alloy wire is improved well so that alloy lead wire of the invention is provided simultaneously with excellent electric conductivity, mechanical property and decay resistance.
Specific embodiment
With reference to specific embodiment, the present invention is further described, but protection scope of the present invention is not limited solely to the specific record of following examples.
Embodiment 1：
A kind of Gu-Gd-Au-B alloy lead wires, contain following element by mass percentage：0.05%Gd, 0.5%Au, 0.005%B, 0.03%Mo, 0.02%Si, 0.1%Ru, balance of Gu and inevitable impurity.
The method for preparing the Gu-Gd-Au-B alloy lead wires of the present embodiment, comprises the following steps：
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively；
Step 2, technical pure copper ingot is put into after being melted in medium-frequency induction furnace, first addition element Gd, Au, B, insulated and stirred, after stirring, elements Mo, Si, Ru, insulated and stirred, the removal of impurity are added, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is at 750 DEG C；Period is analyzed and adjusts to composition in stove；
Step 3, uses conticaster direct casting, and direct casting is into copper alloy casting ingot；Copper alloy bar is pressed into 420 DEG C of hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 7 passages, be prepared into the Gu-Gd-Au-B alloy lead wires of dimension.
Embodiment 2：
A kind of Gu-Gd-Au-B alloy lead wires, contain following element by mass percentage：0.50%Gd, 1.5%Au, 0.010%B, 0.05%Mo, 0.05%Si, 0.2%Ru, balance of Gu and inevitable impurity.
The method for preparing the Gu-Gd-Au-B alloy lead wires of the present embodiment, comprises the following steps：
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively；
Step 2, technical pure copper ingot is put into after being melted in medium-frequency induction furnace, first addition element Gd, Au, B, insulated and stirred, after stirring, elements Mo, Si, Ru, insulated and stirred, the removal of impurity are added, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is between 800 DEG C；Period is analyzed and adjusts to composition in stove；
Step 3, uses conticaster direct casting, and direct casting is into copper alloy casting ingot；Copper alloy bar is pressed into 450 DEG C of hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 9 passages, be prepared into the Gu-Gd-Au-B alloy lead wires of dimension.
Embodiment 3：
A kind of Gu-Gd-Au-B alloy lead wires, contain following element by mass percentage：0.30%Gd, 1.5%Au, 0.008%B, 0.04%Mo, 0.03%Si, 0.15%Ru, balance of Gu and inevitable impurity.
The method for preparing the Gu-Gd-Au-B alloy lead wires of the present embodiment, comprises the following steps：
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively；
Step 2, technical pure copper ingot is put into after being melted in medium-frequency induction furnace, first addition element Gd, Au, B, insulated and stirred, after stirring, elements Mo, Si, Ru, insulated and stirred, the removal of impurity are added, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is between 770 DEG C；Period is analyzed and adjusts to composition in stove；
Step 3, uses conticaster direct casting, and direct casting is into copper alloy casting ingot；Copper alloy bar is pressed into 440 DEG C of hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 8 passages, be prepared into the Gu-Gd-Au-B alloy lead wires of dimension.
Embodiment 4：
A kind of Gu-Gd-Au-B alloy lead wires, contain following element by mass percentage：0.20%Gd, 1.0%Au, 0.005%B, 0.03%Mo, 0.02%Si, 0.1%Ru, balance of Gu and inevitable impurity.
The method for preparing the Gu-Gd-Au-B alloy lead wires of the present embodiment, comprises the following steps：
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively；
Step 2, technical pure copper ingot is put into after being melted in medium-frequency induction furnace, first addition element Gd, Au, B, insulated and stirred, after stirring, elements Mo, Si, Ru, insulated and stirred, the removal of impurity are added, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is between 750 DEG C；Period is analyzed and adjusts to composition in stove；
Step 3, uses conticaster direct casting, and direct casting is into copper alloy casting ingot；Copper alloy bar is pressed into 420 DEG C of hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 7 passages, be prepared into the Gu-Gd-Au-B alloy lead wires of dimension.
Embodiment 5：
A kind of Gu-Gd-Au-B alloy lead wires, contain following element by mass percentage：0.50%Gd, 1.5%Au, 0.010%B, 0.04%Mo, 0.04%Si, 0.2%Ru, balance of Gu and inevitable impurity.
The method for preparing the Gu-Gd-Au-B alloy lead wires of the present embodiment, comprises the following steps：
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively；
Step 2, technical pure copper ingot is put into after being melted in medium-frequency induction furnace, first addition element Gd, Au, B, insulated and stirred, after stirring, elements Mo, Si, Ru, insulated and stirred, the removal of impurity are added, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is between 760 DEG C；Period is analyzed and adjusts to composition in stove；
Step 3, uses conticaster direct casting, and direct casting is into copper alloy casting ingot；Copper alloy bar is pressed into 430 DEG C of hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 8 passages, be prepared into the Gu-Gd-Au-B alloy lead wires of dimension.
Claims (4)
1. a kind of Gu-Gd-Au-B alloy lead wires, it is characterised in that：Contain following element by mass percentage：0.05%~0.50%Gd, 0.5%~1.5%Au, 0.005%~0.010%B, 0.03%~0.05%Mo, 0.02%~0.05%Si, 0.1%~0.2%Ru, balance of Gu and inevitable impurity.
2. Gu-Gd-Au-B alloy lead wires according to claim 1, it is characterised in that：The Gu-Gd-Au-B alloy lead wires are by mass percentage containing as follows：0.20%~0.50%Gd, 1.0%~1.5%Au, 0.005%~0.010%B, 0.03%~0.04%Mo, 0.02%~0.04%Si, 0.1%~0.2%Ru, balance of Gu and inevitable impurity.
3. Gu-Gd-Au-B alloy lead wires according to claim 1, it is characterised in that：The Gu-Gd-Au-B alloy lead wires are by mass percentage containing as follows：0.30%Gd, 1.5%Au, 0.008%B, 0.04%Mo, 0.03%Si, 0.15%Ru, balance of Gu and inevitable impurity.
4. a kind of method for preparing the Gu-Gd-Au-B alloy lead wires as described in claim 1-3 is any, it is characterised in that comprise the following steps：
Step one, according to mass percent of each element in alloy lead wire finished product, weighs the simple substance or compound of each element respectively；
Step 2, technical pure copper ingot is put into after being melted in medium-frequency induction furnace, first addition element Gd, Au, B, insulated and stirred, after stirring, adds elements Mo, Si, Ru, insulated and stirred, the removal of impurity, refining, degasification, slagging-off, stand more than 30 minutes, and temperature control is between 750 DEG C~800 DEG C；Period is analyzed and adjusts to composition in stove；
Step 3, uses conticaster direct casting, and direct casting is into copper alloy casting ingot；Copper alloy bar is pressed into 420 DEG C~450 DEG C hot extrusions by extruder, carries out making annealing treatment for 60 minutes at 400 DEG C, then on drawing machine, by the drawing of 7~9 passages, be prepared into the Gu-Gd-Au-B alloy lead wires of dimension.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979689A (en) * | 2010-11-16 | 2011-02-23 | 蔡元华 | Bonding copper wire and preparation method thereof |
| CN102892908A (en) * | 2010-05-14 | 2013-01-23 | 三菱综合材料株式会社 | Copper alloy for electronic device, method for producing copper alloy for electronic device, and copper alloy rolled material for electronic device |
| CN103228804A (en) * | 2010-12-03 | 2013-07-31 | 三菱综合材料株式会社 | Copper alloy for electronic devices, method for producing copper alloy for electronic devices, and copper alloy rolled material for electronic devices |
| CN103890205A (en) * | 2011-11-14 | 2014-06-25 | 三菱综合材料株式会社 | Copper alloy and copper alloy forming material |
| WO2015020187A1 (en) * | 2013-08-09 | 2015-02-12 | 三菱マテリアル株式会社 | Copper alloy, copper alloy thin sheet and copper alloy manufacturing method |
-
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- 2015-12-03 CN CN201510877088.XA patent/CN106834790A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102892908A (en) * | 2010-05-14 | 2013-01-23 | 三菱综合材料株式会社 | Copper alloy for electronic device, method for producing copper alloy for electronic device, and copper alloy rolled material for electronic device |
| CN101979689A (en) * | 2010-11-16 | 2011-02-23 | 蔡元华 | Bonding copper wire and preparation method thereof |
| CN103228804A (en) * | 2010-12-03 | 2013-07-31 | 三菱综合材料株式会社 | Copper alloy for electronic devices, method for producing copper alloy for electronic devices, and copper alloy rolled material for electronic devices |
| CN103890205A (en) * | 2011-11-14 | 2014-06-25 | 三菱综合材料株式会社 | Copper alloy and copper alloy forming material |
| WO2015020187A1 (en) * | 2013-08-09 | 2015-02-12 | 三菱マテリアル株式会社 | Copper alloy, copper alloy thin sheet and copper alloy manufacturing method |
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Application publication date: 20170613 |